Bump to 3.15

# Conflicts:
#	thefuck/system/unix.py
#	thefuck/system/win32.py

.travis.yml

@@ -1,27 +1,51 @@
 language: python
 sudo: false
-python:
-  - "3.5"
-  - "3.4"
-  - "3.3"
-  - "2.7"
+matrix:
+  include:
+    - os: linux
+      dist: trusty
+      python: "3.6"
+    - os: linux
+      dist: trusty
+      python: "3.5"
+    - os: linux
+      dist: trusty
+      python: "3.4"
+    - os: linux
+      dist: trusty
+      python: "3.3"
+    - os: linux
+      dist: trusty
+      python: "2.7"
+    - os: osx
+      env: FORMULA="python"
+      language: generic
+    - os: osx
+      env: FORMULA="python3"
+      language: generic
+services:
+  - docker
 addons:
   apt:
-    sources:
-      - fish-shell/release-2
     packages:
-      - bash
-      - zsh
-      - fish
-      - tcsh
-      - pandoc
-      - git
+      - python-commandnotfound
+      - python3-commandnotfound
+before_install:
+  - if [[ $TRAVIS_OS_NAME == "osx" ]]; then brew update ; fi
+  - if [[ $TRAVIS_OS_NAME == "osx" ]]; then if brew ls --versions $FORMULA; then brew upgrade $FORMULA || echo Python is up to date; else brew install $FORMULA; fi; fi
+  - if [[ $TRAVIS_OS_NAME == "osx" ]]; then virtualenv venv -p $FORMULA; fi
+  - if [[ $TRAVIS_OS_NAME == "osx" ]]; then source venv/bin/activate; fi
+  - pip install -U pip
+  - pip install -U coveralls
 install:
-  - pip install coveralls
-  - pip install -r requirements.txt
+  - pip install -Ur requirements.txt
   - python setup.py develop
   - rm -rf build
 script:
+  - flake8
   - export COVERAGE_PYTHON_VERSION=python-${TRAVIS_PYTHON_VERSION:0:1}
-  - coverage run --source=thefuck,tests -m py.test -v --capture=sys --run-without-docker --enable-functional
-after_success: coveralls
+  - export RUN_TESTS="coverage run --source=thefuck,tests -m py.test -v --capture=sys tests"
+  - if [[ $TRAVIS_PYTHON_VERSION == 3.6 && $TRAVIS_OS_NAME != "osx" ]]; then $RUN_TESTS --enable-functional; fi
+  - if [[ $TRAVIS_PYTHON_VERSION != 3.6 || $TRAVIS_OS_NAME == "osx" ]]; then $RUN_TESTS; fi
+after_success:
+  - if [[ $TRAVIS_PYTHON_VERSION == 3.6 && $TRAVIS_OS_NAME != "osx" ]]; then coveralls; fi

README.md

@@ -1,10 +1,10 @@
-# The Fuck [![Build Status](https://travis-ci.org/nvbn/thefuck.svg?branch=master)](https://travis-ci.org/nvbn/thefuck) 
+# The Fuck [![Version][version-badge]][version-link] [![Build Status][travis-badge]][travis-link] [![Windows Build Status][appveyor-badge]][appveyor-link] [![Coverage][coverage-badge]][coverage-link] [![MIT License][license-badge]](LICENSE.md)
 
 Magnificent app which corrects your previous console command,
 inspired by a [@liamosaur](https://twitter.com/liamosaur/)
 [tweet](https://twitter.com/liamosaur/status/506975850596536320).
 
-[![gif with examples](https://raw.githubusercontent.com/nvbn/thefuck/master/example.gif)](https://raw.githubusercontent.com/nvbn/thefuck/master/example.gif)
+[![gif with examples][examples-link]][examples-link]
 
 Few more examples:
 
@@ -52,7 +52,7 @@ Python 3.4.2 (default, Oct  8 2014, 13:08:17)
 git: 'brnch' is not a git command. See 'git --help'.
 
 Did you mean this?
-	branch
+    branch
 
 ➜ fuck
 git branch [enter/↑/↓/ctrl+c]
@@ -94,20 +94,25 @@ Reading package lists... Done
 - pip
 - python-dev
 
-## Installation [*experimental*]
+## Installation
+
+On OS X you can install `The Fuck` with [Homebrew][homebrew]:
 
-On Ubuntu and OS X you can install `The Fuck` with installation script:
- 
 ```bash
-wget -O - https://raw.githubusercontent.com/nvbn/thefuck/master/install.sh | sh - && $0
+brew install thefuck
 ```
 
-## Manual installation
+On Ubuntu you can install `The Fuck` with:
+```bash
+sudo apt update
+sudo apt install python3-dev python3-pip
+pip3 install --user thefuck
+```
 
-Install `The Fuck` with `pip`:
+On other systems you can install `The Fuck` with `pip`:
 
 ```bash
-sudo pip install thefuck
+pip install --user thefuck
 ```
 
 [Or using an OS package manager (OS X, Ubuntu, Arch).](https://github.com/nvbn/thefuck/wiki/Installation)
@@ -115,9 +120,9 @@ sudo pip install thefuck
 You should place this command in your `.bash_profile`, `.bashrc`, `.zshrc` or other startup script:
 
 ```bash
-eval "$(thefuck --alias)"
+eval $(thefuck --alias)
 # You can use whatever you want as an alias, like for Mondays:
-eval "$(thefuck --alias FUCK)"
+eval $(thefuck --alias FUCK)
 ```
 
 [Or in your shell config (Bash, Zsh, Fish, Powershell, tcsh).](https://github.com/nvbn/thefuck/wiki/Shell-aliases)
@@ -125,11 +130,16 @@ eval "$(thefuck --alias FUCK)"
 Changes will be available only in a new shell session.
 To make them available immediately, run `source ~/.bashrc` (or your shell config file like `.zshrc`).
 
+If you want separate alias for running fixed command without confirmation you can use alias like:
+
+```bash
+alias fuck-it='export THEFUCK_REQUIRE_CONFIRMATION=False; fuck; export THEFUCK_REQUIRE_CONFIRMATION=True'
+```
 
 ## Update
 
 ```bash
-sudo pip install thefuck --upgrade
+pip install --user thefuck --upgrade
 ```
 
 **Aliases changed in 1.34.**
@@ -139,11 +149,14 @@ sudo pip install thefuck --upgrade
 The Fuck tries to match a rule for the previous command, creates a new command
 using the matched rule and runs it. Rules enabled by default are as follows:
 
+* `ag_literal` – adds `-Q` to `ag` when suggested;
+* `aws_cli` – fixes misspelled commands like `aws dynamdb scan`;
 * `cargo` – runs `cargo build` instead of `cargo`;
 * `cargo_no_command` – fixes wrongs commands like `cargo buid`;
 * `cd_correction` – spellchecks and correct failed cd commands;
 * `cd_mkdir` – creates directories before cd'ing into them;
 * `cd_parent` – changes `cd..` to `cd ..`;
+* `chmod_x` – add execution bit;
 * `composer_not_command` – fixes composer command name;
 * `cp_omitting_directory` – adds `-a` when you `cp` directory;
 * `cpp11` – adds missing `-std=c++11` to `g++` or `clang++`;
@@ -153,49 +166,85 @@ using the matched rule and runs it. Rules enabled by default are as follows:
 * `django_south_merge` – adds `--merge` to inconsistent django south migration;
 * `docker_not_command` – fixes wrong docker commands like `docker tags`;
 * `dry` – fixes repetitions like `git git push`;
+* `fab_command_not_found` – fix misspelled fabric commands;
 * `fix_alt_space` – replaces Alt+Space with Space character;
 * `fix_file` – opens a file with an error in your `$EDITOR`;
-* `git_add` – fixes *"Did you forget to 'git add'?"*;
+* `gem_unknown_command` – fixes wrong `gem` commands;
+* `git_add` – fixes *"pathspec 'foo' did not match any file(s) known to git."*;
+* `git_add_force` &ndash; adds `--force` to `git add <pathspec>...` when paths are .gitignore'd;
+* `git_bisect_usage` &ndash; fixes `git bisect strt`, `git bisect goood`, `git bisect rset`, etc. when bisecting;
 * `git_branch_delete` &ndash; changes `git branch -d` to `git branch -D`;
+* `git_branch_exists` &ndash; offers `git branch -d foo`, `git branch -D foo` or `git checkout foo` when creating a branch that already exists;
 * `git_branch_list` &ndash; catches `git branch list` in place of `git branch` and removes created branch;
 * `git_checkout` &ndash; fixes branch name or creates new branch;
+* `git_diff_no_index` &ndash; adds `--no-index` to previous `git diff` on untracked files;
 * `git_diff_staged` &ndash; adds `--staged` to previous `git diff` with unexpected output;
 * `git_fix_stash` &ndash; fixes `git stash` commands (misspelled subcommand and missing `save`);
+* `git_flag_after_filename` &ndash; fixes `fatal: bad flag '...' after filename`
+* `git_help_aliased` &ndash; fixes `git help <alias>` commands replacing <alias> with the aliased command;
 * `git_not_command` &ndash; fixes wrong git commands like `git brnch`;
 * `git_pull` &ndash; sets upstream before executing previous `git pull`;
 * `git_pull_clone` &ndash; clones instead of pulling when the repo does not exist;
+* `git_pull_uncommitted_changes` &ndash; stashes changes before pulling and pops them afterwards;
 * `git_push` &ndash; adds `--set-upstream origin $branch` to previous failed `git push`;
 * `git_push_pull` &ndash; runs `git pull` when `push` was rejected;
-* `git_stash` &ndash; stashes you local modifications before rebasing or switching branch;
+* `git_rebase_no_changes` &ndash; runs `git rebase --skip` instead of `git rebase --continue` when there are no changes;
+* `git_rm_local_modifications` &ndash;  adds `-f` or `--cached` when you try to `rm` a locally modified file;
+* `git_rm_recursive` &ndash; adds `-r` when you try to `rm` a directory;
+* `git_rm_staged` &ndash;  adds `-f` or `--cached` when you try to `rm` a file with staged changes
+* `git_rebase_merge_dir` &ndash; offers `git rebase (--continue | --abort | --skip)` or removing the `.git/rebase-merge` dir when a rebase is in progress;
+* `git_remote_seturl_add` &ndash; runs `git remote add` when `git remote set_url` on nonexistant remote;
+* `git_stash` &ndash; stashes your local modifications before rebasing or switching branch;
+* `git_stash_pop` &ndash; adds your local modifications before popping stash, then resets;
+* `git_tag_force` &ndash; adds `--force` to `git tag <tagname>` when the tag already exists;
 * `git_two_dashes` &ndash; adds a missing dash to commands like `git commit -amend` or `git rebase -continue`;
-* `go_run` &ndash; appends `.go` extension when compiling/running Go programs
+* `go_run` &ndash; appends `.go` extension when compiling/running Go programs;
+* `gradle_no_task` &ndash; fixes not found or ambiguous `gradle` task;
+* `gradle_wrapper` &ndash; replaces `gradle` with `./gradlew`;
+* `grep_arguments_order` &ndash; fixes grep arguments order for situations like `grep -lir . test`;
 * `grep_recursive` &ndash; adds `-r` when you trying to `grep` directory;
+* `grunt_task_not_found` &ndash; fixes misspelled `grunt` commands;
 * `gulp_not_task` &ndash; fixes misspelled `gulp` tasks;
 * `has_exists_script` &ndash; prepends `./` when script/binary exists;
 * `heroku_not_command` &ndash; fixes wrong `heroku` commands like `heroku log`;
 * `history` &ndash; tries to replace command with most similar command from history;
+* `hostscli` &ndash; tries to fix `hostscli` usage;
+* `ifconfig_device_not_found` &ndash; fixes wrong device names like `wlan0` to `wlp2s0`;
 * `java` &ndash; removes `.java` extension when running Java programs;
 * `javac` &ndash; appends missing `.java` when compiling Java files;
 * `lein_not_task` &ndash; fixes wrong `lein` tasks like `lein rpl`;
+* `ln_no_hard_link` &ndash; catches hard link creation on directories, suggest symbolic link;
+* `ln_s_order` &ndash; fixes `ln -s` arguments order;
+* `ls_all` &ndash; adds `-A` to `ls` when output is empty;
 * `ls_lah` &ndash; adds `-lah` to `ls`;
 * `man` &ndash; changes manual section;
 * `man_no_space` &ndash; fixes man commands without spaces, for example `mandiff`;
 * `mercurial` &ndash; fixes wrong `hg` commands;
+* `missing_space_before_subcommand` &ndash; fixes command with missing space like `npminstall`;
 * `mkdir_p` &ndash; adds `-p` when you trying to create directory without parent;
 * `mvn_no_command` &ndash; adds `clean package` to `mvn`;
 * `mvn_unknown_lifecycle_phase` &ndash; fixes misspelled lifecycle phases with `mvn`;
+* `npm_missing_script` &ndash; fixes `npm` custom script name in `npm run-script <script>`;
+* `npm_run_script` &ndash; adds missing `run-script` for custom `npm` scripts;
+* `npm_wrong_command` &ndash; fixes wrong npm commands like `npm urgrade`;
 * `no_command` &ndash; fixes wrong console commands, for example `vom/vim`;
 * `no_such_file` &ndash; creates missing directories with `mv` and `cp` commands;
-* `open` &ndash; prepends `http` to address passed to `open`;
+* `open` &ndash; either prepends `http://` to address passed to `open` or create a new file or directory and passes it to `open`;
 * `pip_unknown_command` &ndash; fixes wrong `pip` commands, for example `pip instatl/pip install`;
+* `port_already_in_use` &ndash; kills process that bound port;
 * `python_command` &ndash; prepends `python` when you trying to run not executable/without `./` python script;
 * `python_execute` &ndash; appends missing `.py` when executing Python files;
 * `quotation_marks` &ndash; fixes uneven usage of `'` and `"` when containing args';
+* `path_from_history` &ndash; replaces not found path with similar absolute path from history;
+* `react_native_command_unrecognized` &ndash; fixes unrecognized `react-native` commands;
+* `remove_trailing_cedilla` &ndash; remove trailling cedillas `ç`, a common typo for european keyboard layouts;
 * `rm_dir` &ndash; adds `-rf` when you trying to remove directory;
+* `scm_correction` &ndash; corrects wrong scm like `hg log` to `git log`;
 * `sed_unterminated_s` &ndash; adds missing '/' to `sed`'s `s` commands;
 * `sl_ls` &ndash; changes `sl` to `ls`;
 * `ssh_known_hosts` &ndash; removes host from `known_hosts` on warning;
 * `sudo` &ndash; prepends `sudo` to previous command if it failed because of permissions;
+* `sudo_command_from_user_path` &ndash; runs commands from users `$PATH` with `sudo`;
 * `switch_lang` &ndash; switches command from your local layout to en;
 * `systemctl` &ndash; correctly orders parameters of confusing `systemctl`;
 * `test.py` &ndash; runs `py.test` instead of `test.py`;
@@ -205,7 +254,11 @@ using the matched rule and runs it. Rules enabled by default are as follows:
 * `tmux` &ndash; fixes `tmux` commands;
 * `unknown_command` &ndash; fixes hadoop hdfs-style "unknown command", for example adds missing '-' to the command on `hdfs dfs ls`;
 * `vagrant_up` &ndash; starts up the vagrant instance;
-* `whois` &ndash; fixes `whois` command.
+* `whois` &ndash; fixes `whois` command;
+* `workon_doesnt_exists` &ndash; fixes `virtualenvwrapper` env name os suggests to create new.
+* `yarn_alias` &ndash; fixes aliased `yarn` commands like `yarn ls`;
+* `yarn_command_not_found` &ndash; fixes misspelled `yarn` commands;
+* `yarn_help` &ndash; makes it easier to open `yarn` documentation;
 
 Enabled by default only on specific platforms:
 
@@ -213,7 +266,10 @@ Enabled by default only on specific platforms:
 * `apt_get_search` &ndash; changes trying to search using `apt-get` with searching using `apt-cache`;
 * `apt_invalid_operation` &ndash; fixes invalid `apt` and `apt-get` calls, like `apt-get isntall vim`;
 * `brew_install` &ndash; fixes formula name for `brew install`;
+* `brew_link` &ndash; adds `--overwrite --dry-run` if linking fails;
+* `brew_uninstall` &ndash; adds `--force` to `brew uninstall` if multiple versions were installed;
 * `brew_unknown_command` &ndash; fixes wrong brew commands, for example `brew docto/brew doctor`;
+* `brew_update_formula` &ndash; turns `brew update <formula>` into `brew upgrade <formula>`;
 * `brew_upgrade` &ndash; appends `--all` to `brew upgrade` as per Homebrew's new behaviour;
 * `pacman` &ndash; installs app with `pacman` if it is not installed (uses `yaourt` if available);
 * `pacman_not_found` &ndash; fixes package name with `pacman` or `yaourt`.
@@ -240,7 +296,9 @@ side_effect(old_command: Command, fixed_command: str) -> None
 ```
 and optional `enabled_by_default`, `requires_output` and `priority` variables.
 
-`Command` has three attributes: `script`, `stdout` and `stderr`.
+`Command` has three attributes: `script`, `stdout`, `stderr` and `script_parts`.
+Rule shouldn't change `Command`.
+
 
 *Rules api changed in 3.0:* For accessing settings in rule you need to import it with `from thefuck.conf import settings`.
 `settings` is a special object filled with `~/.config/thefuck/settings.py` and values from env ([see more below](#settings)).
@@ -283,7 +341,9 @@ The Fuck has a few settings parameters which can be changed in `$XDG_CONFIG_HOME
 * `priority` &ndash; dict with rules priorities, rule with lower `priority` will be matched first;
 * `debug` &ndash; enables debug output, by default `False`;
 * `history_limit` &ndash; numeric value of how many history commands will be scanned, like `2000`;
-* `alter_history` &ndash; push fixed command to history, by default `True`.
+* `alter_history` &ndash; push fixed command to history, by default `True`;
+* `wait_slow_command` &ndash; max amount of time in seconds for getting previous command output if it in `slow_commands` list;
+* `slow_commands` &ndash; list of slow commands.
 
 Example of `settings.py`:
 
@@ -295,12 +355,15 @@ wait_command = 10
 no_colors = False
 priority = {'sudo': 100, 'no_command': 9999}
 debug = False
+history_limit = 9999
+wait_slow_command = 20
+slow_commands = ['react-native', 'gradle']
 ```
 
 Or via environment variables:
 
 * `THEFUCK_RULES` &ndash; list of enabled rules, like `DEFAULT_RULES:rm_root` or `sudo:no_command`;
-* `THEFUCK_EXCLUDE_RULES` &ndash; list of disabled rules, like `git_pull:git_push`; 
+* `THEFUCK_EXCLUDE_RULES` &ndash; list of disabled rules, like `git_pull:git_push`;
 * `THEFUCK_REQUIRE_CONFIRMATION` &ndash; require confirmation before running new command, `true/false`;
 * `THEFUCK_WAIT_COMMAND` &ndash; max amount of time in seconds for getting previous command output;
 * `THEFUCK_NO_COLORS` &ndash; disable colored output, `true/false`;
@@ -308,7 +371,9 @@ Or via environment variables:
 rule with lower `priority` will be matched first;
 * `THEFUCK_DEBUG` &ndash; enables debug output, `true/false`;
 * `THEFUCK_HISTORY_LIMIT` &ndash; how many history commands will be scanned, like `2000`;
-* `THEFUCK_ALTER_HISTORY` &ndash; push fixed command to history `true/false`.
+* `THEFUCK_ALTER_HISTORY` &ndash; push fixed command to history `true/false`;
+* `THEFUCK_WAIT_SLOW_COMMAND` &ndash; max amount of time in seconds for getting previous command output if it in `slow_commands` list;
+* `THEFUCK_SLOW_COMMANDS` &ndash; list of slow commands, like `lein:gradle`.
 
 For example:
 
@@ -331,6 +396,12 @@ pip install -r requirements.txt
 python setup.py develop
 ```
 
+Run code style checks:
+
+```bash
+flake8
+```
+
 Run unit tests:
 
 ```bash
@@ -352,3 +423,16 @@ sudo apt-get install pandoc
 
 ## License MIT
 Project License can be found [here](LICENSE.md).
+
+
+[version-badge]:   https://img.shields.io/pypi/v/thefuck.svg?label=version
+[version-link]:    https://pypi.python.org/pypi/thefuck/
+[travis-badge]:    https://img.shields.io/travis/nvbn/thefuck.svg
+[travis-link]:     https://travis-ci.org/nvbn/thefuck
+[appveyor-badge]:  https://img.shields.io/appveyor/ci/nvbn/thefuck.svg?label=windows%20build
+[appveyor-link]:   https://ci.appveyor.com/project/nvbn/thefuck
+[coverage-badge]:  https://img.shields.io/coveralls/nvbn/thefuck.svg
+[coverage-link]:   https://coveralls.io/github/nvbn/thefuck
+[license-badge]:   https://img.shields.io/badge/license-MIT-007EC7.svg
+[examples-link]:   https://raw.githubusercontent.com/nvbn/thefuck/master/example.gif
+[homebrew]:        http://brew.sh/

appveyor.yml

@@ -0,0 +1,24 @@
+build: false
+
+environment:
+  matrix:
+    - PYTHON: "C:/Python27"
+    - PYTHON: "C:/Python33"
+    - PYTHON: "C:/Python34"
+    - PYTHON: "C:/Python35"
+    - PYTHON: "C:/Python36"
+
+init:
+  - "ECHO %PYTHON%"
+  - ps: "ls C:/Python*"
+
+install:
+  - ps: (new-object net.webclient).DownloadFile('https://bootstrap.pypa.io/get-pip.py', 'C:/get-pip.py')
+  - "%PYTHON%/python.exe C:/get-pip.py"
+  - "%PYTHON%/Scripts/pip.exe install -U setuptools"
+  - "%PYTHON%/python.exe setup.py develop"
+  - "%PYTHON%/Scripts/pip.exe install -U -r requirements.txt"
+
+test_script:
+  - "%PYTHON%/python.exe -m flake8"
+  - "%PYTHON%/Scripts/py.test.exe -sv"

install.sh

@@ -1,61 +1,4 @@
 #!/bin/sh
 
-should_add_alias () {
-    [ -f $1 ] && ! grep -q thefuck $1
-}
-
-installed () {
-    hash $1 2>/dev/null
-}
-
-install_thefuck () {
-    # Install OS dependencies:
-    if installed apt-get; then
-        # Debian/Ubuntu:
-        sudo apt-get update -yy
-        sudo apt-get install -yy python-pip python-dev command-not-found python-gdbm
-
-        if [[ -n $(apt-cache search python-commandnotfound) ]]; then
-            # In case of different python versions:
-            sudo apt-get install -yy python-commandnotfound
-        fi
-    else
-        if installed brew; then
-            # OS X:
-            brew update
-            brew install python
-        else
-            # Generic way:
-            wget https://bootstrap.pypa.io/get-pip.py
-            sudo python get-pip.py
-            rm get-pip.py
-        fi
-    fi
-
-    # thefuck requires fresh versions of setuptools and pip:
-    sudo pip install -U pip setuptools
-    sudo pip install -U thefuck
-
-    # Setup aliases:
-    if should_add_alias ~/.bashrc; then
-        echo 'eval $(thefuck --alias)' >> ~/.bashrc
-    fi
-
-    if should_add_alias ~/.bash_profile; then
-        echo 'eval $(thefuck --alias)' >> ~/.bash_profile
-    fi
-
-    if should_add_alias ~/.zshrc; then
-        echo 'eval $(thefuck --alias)' >> ~/.zshrc
-    fi
-
-    if should_add_alias ~/.config/fish/config.fish; then
-        thefuck --alias >> ~/.config/fish/config.fish
-    fi
-
-    if should_add_alias ~/.tcshrc; then
-        echo 'eval `thefuck --alias`' >> ~/.tcshrc
-    fi
-}
-
-install_thefuck
+echo "Installation script is deprecated!"
+echo "For installation instruction please visit https://github.com/nvbn/thefuck"

requirements.txt

@@ -1,3 +1,5 @@
+pip
+flake8
 pytest
 mock
 pytest-mock

setup.py

@@ -1,8 +1,17 @@
 #!/usr/bin/env python
 from setuptools import setup, find_packages
+import pkg_resources
 import sys
 import os
 
+try:
+    if int(pkg_resources.get_distribution("pip").version.split('.')[0]) < 6:
+        print('pip older than 6.0 not supported, please upgrade pip with:\n\n'
+              '    pip install -U pip')
+        sys.exit(-1)
+except pkg_resources.DistributionNotFound:
+    pass
+
 if os.environ.get('CONVERT_README'):
     import pypandoc
 
@@ -20,10 +29,10 @@ elif (3, 0) < version < (3, 3):
           ' ({}.{} detected).'.format(*version))
     sys.exit(-1)
 
-VERSION = '3.3'
+VERSION = '3.15'
 
 install_requires = ['psutil', 'colorama', 'six', 'decorator']
-extras_require = {':python_version<"3.4"': ['pathlib'],
+extras_require = {':python_version<"3.4"': ['pathlib2'],
                   ":sys_platform=='win32'": ['win_unicode_console']}
 
 setup(name='thefuck',
@@ -35,12 +44,11 @@ setup(name='thefuck',
       url='https://github.com/nvbn/thefuck',
       license='MIT',
       packages=find_packages(exclude=['ez_setup', 'examples',
-                                      'tests', 'release']),
+                                      'tests', 'tests.*', 'release']),
       include_package_data=True,
       zip_safe=False,
       install_requires=install_requires,
       extras_require=extras_require,
       entry_points={'console_scripts': [
           'thefuck = thefuck.main:main',
-          'thefuck-alias = thefuck.main:print_alias',
-          'fuck = thefuck.main:how_to_configure_alias']})
+          'fuck = thefuck.not_configured:main']})

tests/conftest.py

@@ -1,6 +1,9 @@
-from pathlib import Path
 import pytest
-from thefuck import conf
+from thefuck import shells
+from thefuck import conf, const
+from thefuck.system import Path
+
+shells.shell = shells.Generic()
 
 
 def pytest_addoption(parser):
@@ -19,7 +22,7 @@ def no_memoize(monkeypatch):
 def settings(request):
     def _reset_settings():
         conf.settings.clear()
-        conf.settings.update(conf.DEFAULT_SETTINGS)
+        conf.settings.update(const.DEFAULT_SETTINGS)
 
     request.addfinalizer(_reset_settings)
     conf.settings.user_dir = Path('~/.thefuck')
@@ -46,3 +49,14 @@ def functional(request):
 @pytest.fixture
 def source_root():
     return Path(__file__).parent.parent.resolve()
+
+
+@pytest.fixture
+def set_shell(monkeypatch, request):
+    def _set(cls):
+        shell = cls()
+        monkeypatch.setattr('thefuck.shells.shell', shell)
+        request.addfinalizer()
+        return shell
+
+    return _set

tests/functional/test_bash.py

@@ -3,26 +3,19 @@ from tests.functional.plots import with_confirmation, without_confirmation, \
     refuse_with_confirmation, history_changed, history_not_changed, \
     select_command_with_arrows, how_to_configure
 
-containers = ((u'thefuck/ubuntu-python3-bash',
-               u'''FROM ubuntu:latest
-                   RUN apt-get update
-                   RUN apt-get install -yy python3 python3-pip python3-dev git
-                   RUN pip3 install -U setuptools
-                   RUN ln -s /usr/bin/pip3 /usr/bin/pip''',
+containers = ((u'thefuck/python3-bash',
+               u'FROM python:3',
                u'bash'),
-              (u'thefuck/ubuntu-python2-bash',
-               u'''FROM ubuntu:latest
-                   RUN apt-get update
-                   RUN apt-get install -yy python python-pip python-dev git
-                   RUN pip2 install -U pip setuptools''',
+              (u'thefuck/python2-bash',
+               u'FROM python:2',
                u'bash'))
 
 
 @pytest.fixture(params=containers)
-def proc(request, spawnu, run_without_docker):
+def proc(request, spawnu, TIMEOUT):
     proc = spawnu(*request.param)
-    if not run_without_docker:
-        proc.sendline(u"pip install /src")
+    proc.sendline(u"pip install /src")
+    assert proc.expect([TIMEOUT, u'Successfully installed'])
     proc.sendline(u"export PS1='$ '")
     proc.sendline(u'eval $(thefuck --alias)')
     proc.sendline(u'echo > $HISTFILE')
@@ -30,38 +23,29 @@ def proc(request, spawnu, run_without_docker):
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
-def test_with_confirmation(proc, TIMEOUT, run_without_docker):
+def test_with_confirmation(proc, TIMEOUT):
     with_confirmation(proc, TIMEOUT)
-    if not run_without_docker:
-        history_changed(proc, TIMEOUT, u'echo test')
+    history_changed(proc, TIMEOUT, u'echo test')
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
-def test_select_command_with_arrows(proc, TIMEOUT, run_without_docker):
+def test_select_command_with_arrows(proc, TIMEOUT):
     select_command_with_arrows(proc, TIMEOUT)
-    if not run_without_docker:
-        history_changed(proc, TIMEOUT, u'git help')
+    history_changed(proc, TIMEOUT, u'git help')
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
-def test_refuse_with_confirmation(proc, TIMEOUT, run_without_docker):
+def test_refuse_with_confirmation(proc, TIMEOUT):
     refuse_with_confirmation(proc, TIMEOUT)
-    if not run_without_docker:
-        history_not_changed(proc, TIMEOUT)
+    history_not_changed(proc, TIMEOUT)
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
-def test_without_confirmation(proc, TIMEOUT, run_without_docker):
+def test_without_confirmation(proc, TIMEOUT):
     without_confirmation(proc, TIMEOUT)
-    if not run_without_docker:
-        history_changed(proc, TIMEOUT, u'echo test')
+    history_changed(proc, TIMEOUT, u'echo test')
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
 def test_how_to_configure_alias(proc, TIMEOUT):
     how_to_configure(proc, TIMEOUT)

tests/functional/test_fish.py

@@ -2,52 +2,50 @@ import pytest
 from tests.functional.plots import with_confirmation, without_confirmation, \
     refuse_with_confirmation, select_command_with_arrows
 
-containers = (('thefuck/ubuntu-python3-fish',
-               u'''FROM ubuntu:latest
+containers = (('thefuck/python3-fish',
+               u'''FROM python:3
+                   # Use jessie-backports since it has the fish package. See here for details:
+                   # https://github.com/tianon/docker-brew-debian/blob/88ae21052affd8a14553bb969f9d41c464032122/jessie/backports/Dockerfile
+                   RUN awk '$1 ~ "^deb" { $3 = $3 "-backports"; print; exit }' /etc/apt/sources.list > /etc/apt/sources.list.d/backports.list
                    RUN apt-get update
-                   RUN apt-get install -yy python3 python3-pip python3-dev fish git
-                   RUN pip3 install -U setuptools
-                   RUN ln -s /usr/bin/pip3 /usr/bin/pip
                    RUN apt-get install -yy fish''',
                u'fish'),
-              ('thefuck/ubuntu-python2-fish',
-               u'''FROM ubuntu:latest
+              ('thefuck/python2-fish',
+               u'''FROM python:2
+                   # Use jessie-backports since it has the fish package. See here for details:
+                   # https://github.com/tianon/docker-brew-debian/blob/88ae21052affd8a14553bb969f9d41c464032122/jessie/backports/Dockerfile
+                   RUN awk '$1 ~ "^deb" { $3 = $3 "-backports"; print; exit }' /etc/apt/sources.list > /etc/apt/sources.list.d/backports.list
                    RUN apt-get update
-                   RUN apt-get install -yy python python-pip python-dev git
-                   RUN pip2 install -U pip setuptools
                    RUN apt-get install -yy fish''',
                u'fish'))
 
 
 @pytest.fixture(params=containers)
-def proc(request, spawnu):
+def proc(request, spawnu, TIMEOUT):
     proc = spawnu(*request.param)
     proc.sendline(u"pip install /src")
+    assert proc.expect([TIMEOUT, u'Successfully installed'])
     proc.sendline(u'thefuck --alias > ~/.config/fish/config.fish')
     proc.sendline(u'fish')
     return proc
 
 
 @pytest.mark.functional
-@pytest.mark.skip_without_docker
 def test_with_confirmation(proc, TIMEOUT):
     with_confirmation(proc, TIMEOUT)
 
 
 @pytest.mark.functional
-@pytest.mark.skip_without_docker
 def test_select_command_with_arrows(proc, TIMEOUT):
     select_command_with_arrows(proc, TIMEOUT)
 
 
 @pytest.mark.functional
-@pytest.mark.skip_without_docker
 def test_refuse_with_confirmation(proc, TIMEOUT):
     refuse_with_confirmation(proc, TIMEOUT)
 
 
 @pytest.mark.functional
-@pytest.mark.skip_without_docker
 def test_without_confirmation(proc, TIMEOUT):
     without_confirmation(proc, TIMEOUT)
 

tests/functional/test_install.py

@@ -1,25 +0,0 @@
-import pytest
-from thefuck.utils import get_installation_info
-
-envs = ((u'bash', 'thefuck/ubuntu-bash', u'''
-FROM ubuntu:latest
-RUN apt-get update
-RUN apt-get install -yy bash
-'''), (u'bash', 'thefuck/generic-bash', u'''
-FROM fedora:latest
-RUN dnf install -yy python-devel sudo wget gcc
-'''))
-
-
-@pytest.mark.functional
-@pytest.mark.skip_without_docker
-@pytest.mark.parametrize('shell, tag, dockerfile', envs)
-def test_installation(spawnu, shell, TIMEOUT, tag, dockerfile):
-    proc = spawnu(tag, dockerfile, shell)
-    proc.sendline(u'cat /src/install.sh | sh - && $0')
-    proc.sendline(u'thefuck --version')
-    version = get_installation_info().version
-    assert proc.expect([TIMEOUT, u'thefuck {}'.format(version)],
-                       timeout=600)
-    proc.sendline(u'fuck')
-    assert proc.expect([TIMEOUT, u'No fucks given'])

tests/functional/test_performance.py

@@ -2,11 +2,7 @@ import pytest
 import time
 
 dockerfile = u'''
-FROM ubuntu:latest
-RUN apt-get update
-RUN apt-get install -yy python3 python3-pip python3-dev git
-RUN pip3 install -U setuptools
-RUN ln -s /usr/bin/pip3 /usr/bin/pip
+FROM python:3
 RUN adduser --disabled-password --gecos '' test
 ENV SEED "{seed}"
 WORKDIR /src
@@ -40,10 +36,9 @@ def plot(proc, TIMEOUT):
 
 
 @pytest.mark.functional
-@pytest.mark.skip_without_docker
 @pytest.mark.benchmark(min_rounds=10)
 def test_performance(spawnu, TIMEOUT, benchmark):
-    proc = spawnu(u'thefuck/ubuntu-python3-bash-performance',
+    proc = spawnu(u'thefuck/python3-bash-performance',
                   dockerfile, u'bash')
     proc.sendline(u'pip install /src')
     proc.sendline(u'su test')

tests/functional/test_tcsh.py

@@ -2,53 +2,45 @@ import pytest
 from tests.functional.plots import with_confirmation, without_confirmation, \
     refuse_with_confirmation, select_command_with_arrows
 
-containers = (('thefuck/ubuntu-python3-tcsh',
-               u'''FROM ubuntu:latest
+containers = (('thefuck/python3-tcsh',
+               u'''FROM python:3
                    RUN apt-get update
-                   RUN apt-get install -yy python3 python3-pip python3-dev git
-                   RUN pip3 install -U setuptools
-                   RUN ln -s /usr/bin/pip3 /usr/bin/pip
                    RUN apt-get install -yy tcsh''',
                u'tcsh'),
-              ('thefuck/ubuntu-python2-tcsh',
-               u'''FROM ubuntu:latest
+              ('thefuck/python2-tcsh',
+               u'''FROM python:2
                    RUN apt-get update
-                   RUN apt-get install -yy python python-pip python-dev git
-                   RUN pip2 install -U pip setuptools
                    RUN apt-get install -yy tcsh''',
                u'tcsh'))
 
 
 @pytest.fixture(params=containers)
-def proc(request, spawnu, run_without_docker):
+def proc(request, spawnu, TIMEOUT):
     proc = spawnu(*request.param)
-    if not run_without_docker:
-        proc.sendline(u'pip install /src')
+    proc.sendline(u'pip install /src')
+    assert proc.expect([TIMEOUT, u'Successfully installed'])
     proc.sendline(u'tcsh')
+    proc.sendline(u'setenv PYTHONIOENCODING utf8')
     proc.sendline(u'eval `thefuck --alias`')
     return proc
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
 def test_with_confirmation(proc, TIMEOUT):
     with_confirmation(proc, TIMEOUT)
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
 def test_select_command_with_arrows(proc, TIMEOUT):
     select_command_with_arrows(proc, TIMEOUT)
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
 def test_refuse_with_confirmation(proc, TIMEOUT):
     refuse_with_confirmation(proc, TIMEOUT)
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
 def test_without_confirmation(proc, TIMEOUT):
     without_confirmation(proc, TIMEOUT)
 

tests/functional/test_zsh.py

@@ -3,28 +3,23 @@ from tests.functional.plots import with_confirmation, without_confirmation, \
     refuse_with_confirmation, history_changed, history_not_changed, \
     select_command_with_arrows, how_to_configure
 
-containers = (('thefuck/ubuntu-python3-zsh',
-               u'''FROM ubuntu:latest
+containers = (('thefuck/python3-zsh',
+               u'''FROM python:3
                    RUN apt-get update
-                   RUN apt-get install -yy python3 python3-pip python3-dev git
-                   RUN pip3 install -U setuptools
-                   RUN ln -s /usr/bin/pip3 /usr/bin/pip
                    RUN apt-get install -yy zsh''',
                u'zsh'),
-              ('thefuck/ubuntu-python2-zsh',
-               u'''FROM ubuntu:latest
+              ('thefuck/python2-zsh',
+               u'''FROM python:2
                    RUN apt-get update
-                   RUN apt-get install -yy python python-pip python-dev git
-                   RUN pip2 install -U pip setuptools
                    RUN apt-get install -yy zsh''',
                u'zsh'))
 
 
 @pytest.fixture(params=containers)
-def proc(request, spawnu, run_without_docker):
+def proc(request, spawnu, TIMEOUT):
     proc = spawnu(*request.param)
-    if not run_without_docker:
-        proc.sendline(u'pip install /src')
+    proc.sendline(u'pip install /src')
+    assert proc.expect([TIMEOUT, u'Successfully installed'])
     proc.sendline(u'eval $(thefuck --alias)')
     proc.sendline(u'export HISTFILE=~/.zsh_history')
     proc.sendline(u'echo > $HISTFILE')
@@ -35,34 +30,29 @@ def proc(request, spawnu, run_without_docker):
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
 def test_with_confirmation(proc, TIMEOUT):
     with_confirmation(proc, TIMEOUT)
     history_changed(proc, TIMEOUT, u'echo test')
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
 def test_select_command_with_arrows(proc, TIMEOUT):
     select_command_with_arrows(proc, TIMEOUT)
     history_changed(proc, TIMEOUT, u'git help')
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
 def test_refuse_with_confirmation(proc, TIMEOUT):
     refuse_with_confirmation(proc, TIMEOUT)
     history_not_changed(proc, TIMEOUT)
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
 def test_without_confirmation(proc, TIMEOUT):
     without_confirmation(proc, TIMEOUT)
     history_changed(proc, TIMEOUT, u'echo test')
 
 
 @pytest.mark.functional
-@pytest.mark.once_without_docker
 def test_how_to_configure_alias(proc, TIMEOUT):
     how_to_configure(proc, TIMEOUT)

tests/rules/conftest.py

@@ -1,6 +0,0 @@
-import pytest
-
-
-@pytest.fixture(autouse=True)
-def generic_shell(monkeypatch):
-    monkeypatch.setattr('thefuck.shells.and_', lambda *x: u' && '.join(x))

tests/rules/test_ag_literal.py

@@ -0,0 +1,25 @@
+import pytest
+from thefuck.rules.ag_literal import get_new_command, match
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return ('ERR: Bad regex! pcre_compile() failed at position 1: missing )\n'
+            'If you meant to search for a literal string, run ag with -Q\n')
+
+
+@pytest.mark.parametrize('script', ['ag \('])
+def test_match(script, stderr):
+    assert match(Command(script=script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script', ['ag foo'])
+def test_not_match(script):
+    assert not match(Command(script=script))
+
+
+@pytest.mark.parametrize('script, new_cmd', [
+    ('ag \(', 'ag -Q \(')])
+def test_get_new_command(script, new_cmd, stderr):
+    assert get_new_command((Command(script=script, stderr=stderr))) == new_cmd

tests/rules/test_apt_get.py

@@ -1,53 +1,43 @@
 import pytest
-from mock import Mock, patch
-from thefuck.rules import apt_get
 from thefuck.rules.apt_get import match, get_new_command
 from tests.utils import Command
 
 
-# python-commandnotfound is available in ubuntu 14.04+
-@pytest.mark.skipif(not getattr(apt_get, 'enabled_by_default', True),
-                    reason='Skip if python-commandnotfound is not available')
-@pytest.mark.parametrize('command', [
-    Command(script='vim', stderr='vim: command not found')])
-def test_match(command):
-    assert match(command)
-
-
-@pytest.mark.parametrize('command, return_value', [
+@pytest.mark.parametrize('command, packages', [
     (Command(script='vim', stderr='vim: command not found'),
      [('vim', 'main'), ('vim-tiny', 'main')]),
     (Command(script='sudo vim', stderr='vim: command not found'),
+     [('vim', 'main'), ('vim-tiny', 'main')]),
+    (Command(script='vim', stderr="The program 'vim' is currently not installed. You can install it by typing: sudo apt install vim"),
      [('vim', 'main'), ('vim-tiny', 'main')])])
-@patch('thefuck.rules.apt_get.CommandNotFound', create=True)
-@patch.multiple(apt_get, create=True, apt_get='apt_get')
-def test_match_mocked(cmdnf_mock, command, return_value):
-    get_packages = Mock(return_value=return_value)
-    cmdnf_mock.CommandNotFound.return_value = Mock(getPackages=get_packages)
+def test_match(mocker, command, packages):
+    mocker.patch('thefuck.rules.apt_get.which', return_value=None)
+    mock = mocker.patch('thefuck.rules.apt_get.command_not_found',
+                        create=True)
+    mock.getPackages.return_value = packages
+
     assert match(command)
-    assert cmdnf_mock.CommandNotFound.called
-    assert get_packages.called
 
 
-@pytest.mark.parametrize('command', [
-    Command(script='vim', stderr=''), Command()])
-def test_not_match(command):
+@pytest.mark.parametrize('command, packages, which', [
+    (Command(script='a_bad_cmd', stderr='a_bad_cmd: command not found'),
+     [], None),
+    (Command(script='vim', stderr=''), [], None),
+    (Command(), [], None),
+    (Command(script='vim', stderr='vim: command not found'),
+     ['vim'], '/usr/bin/vim'),
+    (Command(script='sudo vim', stderr='vim: command not found'),
+     ['vim'], '/usr/bin/vim')])
+def test_not_match(mocker, command, packages, which):
+    mocker.patch('thefuck.rules.apt_get.which', return_value=which)
+    mock = mocker.patch('thefuck.rules.apt_get.command_not_found',
+                        create=True)
+    mock.getPackages.return_value = packages
+
     assert not match(command)
 
 
-# python-commandnotfound is available in ubuntu 14.04+
-@pytest.mark.skipif(not getattr(apt_get, 'enabled_by_default', True),
-                    reason='Skip if python-commandnotfound is not available')
-@pytest.mark.parametrize('command, new_command', [
-    (Command('vim'), 'sudo apt-get install vim && vim'),
-    (Command('convert'), 'sudo apt-get install imagemagick && convert'),
-    (Command('sudo vim'), 'sudo apt-get install vim && sudo vim'),
-    (Command('sudo convert'), 'sudo apt-get install imagemagick && sudo convert')])
-def test_get_new_command(command, new_command):
-    assert get_new_command(command) == new_command
-
-
-@pytest.mark.parametrize('command, new_command, return_value', [
+@pytest.mark.parametrize('command, new_command, packages', [
     (Command('vim'), 'sudo apt-get install vim && vim',
      [('vim', 'main'), ('vim-tiny', 'main')]),
     (Command('convert'), 'sudo apt-get install imagemagick && convert',
@@ -58,9 +48,8 @@ def test_get_new_command(command, new_command):
     (Command('sudo convert'), 'sudo apt-get install imagemagick && sudo convert',
      [('imagemagick', 'main'),
       ('graphicsmagick-imagemagick-compat', 'universe')])])
-@patch('thefuck.rules.apt_get.CommandNotFound', create=True)
-@patch.multiple(apt_get, create=True, apt_get='apt_get')
-def test_get_new_command_mocked(cmdnf_mock, command, new_command, return_value):
-    get_packages = Mock(return_value=return_value)
-    cmdnf_mock.CommandNotFound.return_value = Mock(getPackages=get_packages)
+def test_get_new_command(mocker, command, new_command, packages):
+    mock = mocker.patch('thefuck.rules.apt_get.command_not_found',
+                        create=True)
+    mock.getPackages.return_value = packages
     assert get_new_command(command) == new_command

tests/rules/test_aws_cli.py

@@ -0,0 +1,101 @@
+import pytest
+
+from thefuck.rules.aws_cli import match, get_new_command
+from tests.utils import Command
+
+
+no_suggestions = '''\
+usage: aws [options] <command> <subcommand> [<subcommand> ...] [parameters]
+To see help text, you can run:
+
+  aws help
+  aws <command> help
+  aws <command> <subcommand> help
+aws: error: argument command: Invalid choice, valid choices are:
+
+dynamodb                                 | dynamodbstreams
+ec2                                      | ecr
+'''
+
+
+misspelled_command = '''\
+usage: aws [options] <command> <subcommand> [<subcommand> ...] [parameters]
+To see help text, you can run:
+
+  aws help
+  aws <command> help
+  aws <command> <subcommand> help
+aws: error: argument command: Invalid choice, valid choices are:
+
+dynamodb                                 | dynamodbstreams
+ec2                                      | ecr
+
+
+Invalid choice: 'dynamdb', maybe you meant:
+
+  * dynamodb
+'''
+
+
+misspelled_subcommand = '''\
+usage: aws [options] <command> <subcommand> [<subcommand> ...] [parameters]
+To see help text, you can run:
+
+  aws help
+  aws <command> help
+  aws <command> <subcommand> help
+aws: error: argument operation: Invalid choice, valid choices are:
+
+query                                    | scan
+update-item                              | update-table
+
+
+Invalid choice: 'scn', maybe you meant:
+
+  * scan
+'''
+
+
+misspelled_subcommand_with_multiple_options = '''\
+usage: aws [options] <command> <subcommand> [<subcommand> ...] [parameters]
+To see help text, you can run:
+
+  aws help
+  aws <command> help
+  aws <command> <subcommand> help
+aws: error: argument operation: Invalid choice, valid choices are:
+
+describe-table                           | get-item
+list-tables                              | put-item
+
+
+Invalid choice: 't-item', maybe you meant:
+
+  * put-item
+  * get-item
+'''
+
+
+@pytest.mark.parametrize('command', [
+    Command('aws dynamdb scan', stderr=misspelled_command),
+    Command('aws dynamodb scn', stderr=misspelled_subcommand),
+    Command('aws dynamodb t-item',
+            stderr=misspelled_subcommand_with_multiple_options)])
+def test_match(command):
+    assert match(command)
+
+
+def test_not_match():
+    assert not match(Command('aws dynamodb invalid', stderr=no_suggestions))
+
+
+@pytest.mark.parametrize('command, result', [
+    (Command('aws dynamdb scan', stderr=misspelled_command),
+     ['aws dynamodb scan']),
+    (Command('aws dynamodb scn', stderr=misspelled_subcommand),
+     ['aws dynamodb scan']),
+    (Command('aws dynamodb t-item',
+             stderr=misspelled_subcommand_with_multiple_options),
+     ['aws dynamodb put-item', 'aws dynamodb get-item'])])
+def test_get_new_command(command, result):
+    assert get_new_command(command) == result

tests/rules/test_brew_link.py

@@ -0,0 +1,38 @@
+import pytest
+from tests.utils import Command
+from thefuck.rules.brew_link import get_new_command, match
+
+
+@pytest.fixture
+def stderr():
+    return ("Error: Could not symlink bin/gcp\n"
+            "Target /usr/local/bin/gcp\n"
+            "already exists. You may want to remove it:\n"
+            "  rm '/usr/local/bin/gcp'\n"
+            "\n"
+            "To force the link and overwrite all conflicting files:\n"
+            "  brew link --overwrite coreutils\n"
+            "\n"
+            "To list all files that would be deleted:\n"
+            "  brew link --overwrite --dry-run coreutils\n")
+
+
+@pytest.fixture
+def new_command(formula):
+    return 'brew link --overwrite --dry-run {}'.format(formula)
+
+
+@pytest.mark.parametrize('script', ['brew link coreutils', 'brew ln coreutils'])
+def test_match(stderr, script):
+    assert match(Command(script=script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script', ['brew link coreutils'])
+def test_not_match(script):
+    stderr = ''
+    assert not match(Command(script=script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, formula, ', [('brew link coreutils', 'coreutils')])
+def test_get_new_command(stderr, new_command, script, formula):
+    assert get_new_command(Command(script=script, stderr=stderr)) == new_command

tests/rules/test_brew_uninstall.py

@@ -0,0 +1,31 @@
+import pytest
+from tests.utils import Command
+from thefuck.rules.brew_uninstall import get_new_command, match
+
+
+@pytest.fixture
+def stdout():
+    return ("Uninstalling /usr/local/Cellar/tbb/4.4-20160916... (118 files, 1.9M)\n"
+            "tbb 4.4-20160526, 4.4-20160722 are still installed.\n"
+            "Remove all versions with `brew uninstall --force tbb`.\n")
+
+
+@pytest.fixture
+def new_command(formula):
+    return 'brew uninstall --force {}'.format(formula)
+
+
+@pytest.mark.parametrize('script', ['brew uninstall tbb', 'brew rm tbb', 'brew remove tbb'])
+def test_match(stdout, script):
+    assert match(Command(script=script, stdout=stdout))
+
+
+@pytest.mark.parametrize('script', ['brew remove gnuplot'])
+def test_not_match(script):
+    stdout = 'Uninstalling /usr/local/Cellar/gnuplot/5.0.4_1... (44 files, 2.3M)\n'
+    assert not match(Command(script=script, stdout=stdout))
+
+
+@pytest.mark.parametrize('script, formula, ', [('brew uninstall tbb', 'tbb')])
+def test_get_new_command(stdout, new_command, script, formula):
+    assert get_new_command(Command(script=script, stdout=stdout)) == new_command

tests/rules/test_brew_unknown_command.py

@@ -21,8 +21,8 @@ def test_match(brew_unknown_cmd):
 
 
 def test_get_new_command(brew_unknown_cmd, brew_unknown_cmd2):
-    assert get_new_command(Command('brew inst', stderr=brew_unknown_cmd)) \
-           == ['brew list', 'brew install', 'brew uninstall']
+    assert (get_new_command(Command('brew inst', stderr=brew_unknown_cmd))
+            == ['brew list', 'brew install', 'brew uninstall'])
 
     cmds = get_new_command(Command('brew instaa', stderr=brew_unknown_cmd2))
     assert 'brew install' in cmds

tests/rules/test_brew_update_formula.py

@@ -0,0 +1,30 @@
+import pytest
+from tests.utils import Command
+from thefuck.rules.brew_update_formula import get_new_command, match
+
+
+@pytest.fixture
+def stderr():
+    return ("Error: This command updates brew itself, and does not take formula"
+            " names.\nUse 'brew upgrade <formula>'.")
+
+
+@pytest.fixture
+def new_command(formula):
+    return 'brew upgrade {}'.format(formula)
+
+
+@pytest.mark.parametrize('script', ['brew update foo', 'brew update bar zap'])
+def test_match(stderr, script):
+    assert match(Command(script=script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script', ['brew upgrade foo', 'brew update'])
+def test_not_match(script):
+    assert not match(Command(script=script, stderr=''))
+
+
+@pytest.mark.parametrize('script, formula, ', [
+    ('brew update foo', 'foo'), ('brew update bar zap', 'bar zap')])
+def test_get_new_command(stderr, new_command, script, formula):
+    assert get_new_command(Command(script=script, stderr=stderr)) == new_command

tests/rules/test_cargo_no_command.py

@@ -3,19 +3,26 @@ from thefuck.rules.cargo_no_command import match, get_new_command
 from tests.utils import Command
 
 
-no_such_subcommand = """No such subcommand
+no_such_subcommand_old = """No such subcommand
 
         Did you mean `build`?
 """
 
+no_such_subcommand = """error: no such subcommand
+
+\tDid you mean `build`?
+"""
+
 
 @pytest.mark.parametrize('command', [
-    Command(script='cargo buid', stderr=no_such_subcommand)])
+    Command(script='cargo buid', stderr=no_such_subcommand_old),
+    Command(script='cargo buils', stderr=no_such_subcommand)])
 def test_match(command):
     assert match(command)
 
 
 @pytest.mark.parametrize('command, new_command', [
-    (Command('cargo buid', stderr=no_such_subcommand), 'cargo build')])
+    (Command('cargo buid', stderr=no_such_subcommand_old), 'cargo build'),
+    (Command('cargo buils', stderr=no_such_subcommand), 'cargo build')])
 def test_get_new_command(command, new_command):
     assert get_new_command(command) == new_command

tests/rules/test_chmod_x.py

@@ -0,0 +1,39 @@
+import pytest
+from tests.utils import Command
+from thefuck.rules.chmod_x import match, get_new_command
+
+
+@pytest.fixture
+def file_exists(mocker):
+    return mocker.patch('os.path.exists', return_value=True)
+
+
+@pytest.fixture
+def file_access(mocker):
+    return mocker.patch('os.access', return_value=False)
+
+
+@pytest.mark.usefixtures('file_exists', 'file_access')
+@pytest.mark.parametrize('script, stderr', [
+    ('./gradlew build', 'gradlew: Permission denied'),
+    ('./install.sh --help', 'install.sh: permission denied')])
+def test_match(script, stderr):
+    assert match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, stderr, exists, callable', [
+    ('./gradlew build', 'gradlew: Permission denied', True, True),
+    ('./gradlew build', 'gradlew: Permission denied', False, False),
+    ('./gradlew build', 'gradlew: error', True, False),
+    ('gradlew build', 'gradlew: Permission denied', True, False)])
+def test_not_match(file_exists, file_access, script, stderr, exists, callable):
+    file_exists.return_value = exists
+    file_access.return_value = callable
+    assert not match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, result', [
+    ('./gradlew build', 'chmod +x gradlew && ./gradlew build'),
+    ('./install.sh --help', 'chmod +x install.sh && ./install.sh --help')])
+def test_get_new_command(script, result):
+    assert get_new_command(Command(script)) == result

tests/rules/test_composer_not_command.py

@@ -48,9 +48,9 @@ def test_match(composer_not_command, composer_not_command_one_of_this):
 
 
 def test_get_new_command(composer_not_command, composer_not_command_one_of_this):
-    assert get_new_command(Command('composer udpate',
-                                   stderr=composer_not_command)) \
-           == 'composer update'
-    assert get_new_command(
-        Command('composer pdate', stderr=composer_not_command_one_of_this)) \
-           == 'composer selfupdate'
+    assert (get_new_command(Command('composer udpate',
+                                    stderr=composer_not_command))
+            == 'composer update')
+    assert (get_new_command(Command('composer pdate',
+                                    stderr=composer_not_command_one_of_this))
+            == 'composer selfupdate')

tests/rules/test_dirty_untar.py

@@ -2,7 +2,7 @@ import os
 import pytest
 import tarfile
 from thefuck.rules.dirty_untar import match, get_new_command, side_effect, \
-                                      tar_extensions
+                                      tar_extensions  # noqa: E126
 from tests.utils import Command
 
 
@@ -33,6 +33,7 @@ def tar_error(tmpdir):
 
     return fixture
 
+
 parametrize_extensions = pytest.mark.parametrize('ext', tar_extensions)
 
 # (filename as typed by the user, unquoted filename, quoted filename as per shells.quote)

tests/rules/test_django_south_ghost.py

@@ -37,7 +37,7 @@ south.exceptions.GhostMigrations:
  ! I'm not trusting myself; either fix this yourself by fiddling
  ! with the south_migrationhistory table, or pass --delete-ghost-migrations
  ! to South to have it delete ALL of these records (this may not be good).
-'''
+'''  # noqa
 
 
 def test_match(stderr):

tests/rules/test_django_south_merge.py

@@ -39,5 +39,5 @@ def test_match(stderr):
 
 
 def test_get_new_command():
-    assert get_new_command(Command('./manage.py migrate auth')) \
-           == './manage.py migrate auth --merge'
+    assert (get_new_command(Command('./manage.py migrate auth'))
+            == './manage.py migrate auth --merge')

tests/rules/test_fab_command_not_found.py

@@ -0,0 +1,49 @@
+import pytest
+from thefuck.rules.fab_command_not_found import match, get_new_command
+from tests.utils import Command
+
+stderr = '''
+Warning: Command(s) not found:
+    extenson
+    deloyp
+'''
+stdout = '''
+Available commands:
+
+    update_config
+    prepare_extension
+    Template               A string class for supporting $-substitutions.
+    deploy
+    glob                   Return a list of paths matching a pathname pattern.
+    install_web
+    set_version
+'''
+
+
+@pytest.mark.parametrize('command', [
+    Command('fab extenson', stderr=stderr),
+    Command('fab deloyp', stderr=stderr),
+    Command('fab extenson deloyp', stderr=stderr)])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('gulp extenson', stderr=stderr),
+    Command('fab deloyp')])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('script, result', [
+    ('fab extenson', 'fab prepare_extension'),
+    ('fab extenson:version=2016',
+     'fab prepare_extension:version=2016'),
+    ('fab extenson:version=2016 install_web set_version:val=0.5.0',
+     'fab prepare_extension:version=2016 install_web set_version:val=0.5.0'),
+    ('fab extenson:version=2016 deloyp:beta=true -H the.fuck',
+     'fab prepare_extension:version=2016 deploy:beta=true -H the.fuck'),
+])
+def test_get_new_command(script, result):
+    command = Command(script, stdout, stderr)
+    assert get_new_command(command) == result

tests/rules/test_fix_alt_space.py

@@ -18,5 +18,5 @@ def test_match():
 
 def test_get_new_command():
     """ Replace the Alt+Space character by a simple space """
-    assert get_new_command(Command(u'ps -ef | grep foo'))\
-           == 'ps -ef | grep foo'
+    assert (get_new_command(Command(u'ps -ef | grep foo'))
+            == 'ps -ef | grep foo')

tests/rules/test_fix_file.py

@@ -191,7 +191,7 @@ E       NameError: name 'mocker' is not defined
 
 /home/thefuck/tests/rules/test_fix_file.py:218: NameError
 """, ''),
-)
+)  # noqa
 
 
 @pytest.mark.parametrize('test', tests)
@@ -227,10 +227,6 @@ def test_get_new_command(mocker, monkeypatch, test):
     mocker.patch('os.path.isfile', return_value=True)
     monkeypatch.setenv('EDITOR', 'dummy_editor')
 
-    cmd = Command(script=test[0], stdout=test[4], stderr=test[5])
-    #assert (get_new_command(cmd, Settings({})) ==
-    #    'dummy_editor {} +{} && {}'.format(test[1], test[2], test[0]))
-
 
 @pytest.mark.parametrize('test', tests)
 @pytest.mark.usefixtures('no_memoize')
@@ -243,7 +239,7 @@ def test_get_new_command_with_settings(mocker, monkeypatch, test, settings):
 
     if test[3]:
         assert (get_new_command(cmd) ==
-            u'dummy_editor {} +{}:{} && {}'.format(test[1], test[2], test[3], test[0]))
+                u'dummy_editor {} +{}:{} && {}'.format(test[1], test[2], test[3], test[0]))
     else:
         assert (get_new_command(cmd) ==
-            u'dummy_editor {} +{} && {}'.format(test[1], test[2], test[0]))
+                u'dummy_editor {} +{} && {}'.format(test[1], test[2], test[0]))

tests/rules/test_gem_unknown_command.py

@@ -0,0 +1,82 @@
+import pytest
+from six import BytesIO
+from thefuck.rules.gem_unknown_command import match, get_new_command
+from tests.utils import Command
+
+stderr = '''
+ERROR:  While executing gem ... (Gem::CommandLineError)
+    Unknown command {}
+'''
+
+gem_help_commands_stdout = b'''
+GEM commands are:
+
+    build             Build a gem from a gemspec
+    cert              Manage RubyGems certificates and signing settings
+    check             Check a gem repository for added or missing files
+    cleanup           Clean up old versions of installed gems
+    contents          Display the contents of the installed gems
+    dependency        Show the dependencies of an installed gem
+    environment       Display information about the RubyGems environment
+    fetch             Download a gem and place it in the current directory
+    generate_index    Generates the index files for a gem server directory
+    help              Provide help on the 'gem' command
+    install           Install a gem into the local repository
+    list              Display local gems whose name matches REGEXP
+    lock              Generate a lockdown list of gems
+    mirror            Mirror all gem files (requires rubygems-mirror)
+    open              Open gem sources in editor
+    outdated          Display all gems that need updates
+    owner             Manage gem owners of a gem on the push server
+    pristine          Restores installed gems to pristine condition from files
+                      located in the gem cache
+    push              Push a gem up to the gem server
+    query             Query gem information in local or remote repositories
+    rdoc              Generates RDoc for pre-installed gems
+    search            Display remote gems whose name matches REGEXP
+    server            Documentation and gem repository HTTP server
+    sources           Manage the sources and cache file RubyGems uses to search
+                      for gems
+    specification     Display gem specification (in yaml)
+    stale             List gems along with access times
+    uninstall         Uninstall gems from the local repository
+    unpack            Unpack an installed gem to the current directory
+    update            Update installed gems to the latest version
+    which             Find the location of a library file you can require
+    yank              Remove a pushed gem from the index
+
+For help on a particular command, use 'gem help COMMAND'.
+
+Commands may be abbreviated, so long as they are unambiguous.
+e.g. 'gem i rake' is short for 'gem install rake'.
+
+'''
+
+
+@pytest.fixture(autouse=True)
+def gem_help_commands(mocker):
+    patch = mocker.patch('subprocess.Popen')
+    patch.return_value.stdout = BytesIO(gem_help_commands_stdout)
+    return patch
+
+
+@pytest.mark.parametrize('script, command', [
+    ('gem isntall jekyll', 'isntall'),
+    ('gem last --local', 'last')])
+def test_match(script, command):
+    assert match(Command(script, stderr=stderr.format(command)))
+
+
+@pytest.mark.parametrize('script, stderr', [
+    ('gem install jekyll', ''),
+    ('git log', stderr.format('log'))])
+def test_not_match(script, stderr):
+    assert not match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, stderr, result', [
+    ('gem isntall jekyll', stderr.format('isntall'), 'gem install jekyll'),
+    ('gem last --local', stderr.format('last'), 'gem list --local')])
+def test_get_new_command(script, stderr, result):
+    new_command = get_new_command(Command(script, stderr=stderr))
+    assert new_command[0] == result

tests/rules/test_git_add.py

@@ -3,37 +3,38 @@ from thefuck.rules.git_add import match, get_new_command
 from tests.utils import Command
 
 
+@pytest.fixture(autouse=True)
+def path_exists(mocker):
+    return mocker.patch('thefuck.rules.git_add.Path.exists',
+                        return_value=True)
+
+
 @pytest.fixture
-def did_not_match(target, did_you_forget=True):
-    error = ("error: pathspec '{}' did not match any "
-             "file(s) known to git.".format(target))
-    if did_you_forget:
-        error = ("{}\nDid you forget to 'git add'?'".format(error))
-    return error
+def stderr(target):
+    return ("error: pathspec '{}' did not match any "
+            'file(s) known to git.'.format(target))
 
 
-@pytest.mark.parametrize('command', [
-    Command(script='git submodule update unknown',
-            stderr=did_not_match('unknown')),
-    Command(script='git commit unknown',
-            stderr=did_not_match('unknown'))])  # Older versions of Git
-def test_match(command):
-    assert match(command)
+@pytest.mark.parametrize('script, target', [
+    ('git submodule update unknown', 'unknown'),
+    ('git commit unknown', 'unknown')])
+def test_match(stderr, script, target):
+    assert match(Command(script=script, stderr=stderr))
 
 
-@pytest.mark.parametrize('command', [
-    Command(script='git submodule update known', stderr=('')),
-    Command(script='git commit known', stderr=('')),
-    Command(script='git commit unknown',  # Newer versions of Git
-            stderr=did_not_match('unknown', False))])
-def test_not_match(command):
-    assert not match(command)
+@pytest.mark.parametrize('script, target, exists', [
+    ('git submodule update known', '', True),
+    ('git commit known', '', True),
+    ('git submodule update known', stderr, False)])
+def test_not_match(path_exists, stderr, script, target, exists):
+    path_exists.return_value = exists
+    assert not match(Command(script=script, stderr=stderr))
 
 
-@pytest.mark.parametrize('command, new_command', [
-    (Command('git submodule update unknown', stderr=did_not_match('unknown')),
+@pytest.mark.parametrize('script, target, new_command', [
+    ('git submodule update unknown', 'unknown',
      'git add -- unknown && git submodule update unknown'),
-    (Command('git commit unknown', stderr=did_not_match('unknown')),  # Old Git
+    ('git commit unknown', 'unknown',
      'git add -- unknown && git commit unknown')])
-def test_get_new_command(command, new_command):
-    assert get_new_command(command) == new_command
+def test_get_new_command(stderr, script, target, new_command):
+    assert get_new_command(Command(script=script, stderr=stderr)) == new_command

tests/rules/test_git_add_force.py

@@ -0,0 +1,22 @@
+import pytest
+from thefuck.rules.git_add_force import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return ('The following paths are ignored by one of your .gitignore files:\n'
+            'dist/app.js\n'
+            'dist/background.js\n'
+            'dist/options.js\n'
+            'Use -f if you really want to add them.\n')
+
+
+def test_match(stderr):
+    assert match(Command('git add dist/*.js', stderr=stderr))
+    assert not match(Command('git add dist/*.js'))
+
+
+def test_get_new_command(stderr):
+    assert (get_new_command(Command('git add dist/*.js', stderr=stderr))
+            == "git add --force dist/*.js")

tests/rules/test_git_bisect_usage.py

@@ -0,0 +1,30 @@
+import pytest
+from tests.utils import Command
+from thefuck.rules.git_bisect_usage import match, get_new_command
+
+
+@pytest.fixture
+def stderr():
+    return ("usage: git bisect [help|start|bad|good|new|old"
+            "|terms|skip|next|reset|visualize|replay|log|run]")
+
+
+@pytest.mark.parametrize('script', [
+    'git bisect strt', 'git bisect rset', 'git bisect goood'])
+def test_match(stderr, script):
+    assert match(Command(script=script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script', [
+    'git bisect', 'git bisect start', 'git bisect good'])
+def test_not_match(script):
+    assert not match(Command(script=script, stderr=''))
+
+
+@pytest.mark.parametrize('script, new_cmd, ', [
+    ('git bisect goood', ['good', 'old', 'log']),
+    ('git bisect strt', ['start', 'terms', 'reset']),
+    ('git bisect rset', ['reset', 'next', 'start'])])
+def test_get_new_command(stderr, script, new_cmd):
+    new_cmd = ['git bisect %s' % cmd for cmd in new_cmd]
+    assert get_new_command(Command(script=script, stderr=stderr)) == new_cmd

tests/rules/test_git_branch_exists.py

@@ -0,0 +1,34 @@
+import pytest
+from thefuck.rules.git_branch_exists import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr(branch_name):
+    return "fatal: A branch named '{}' already exists.".format(branch_name)
+
+
+@pytest.fixture
+def new_command(branch_name):
+    return [cmd.format(branch_name) for cmd in [
+        'git branch -d {0} && git branch {0}',
+        'git branch -d {0} && git checkout -b {0}',
+        'git branch -D {0} && git branch {0}',
+        'git branch -D {0} && git checkout -b {0}', 'git checkout {0}']]
+
+
+@pytest.mark.parametrize('script, branch_name', [
+    ('git branch foo', 'foo'), ('git checkout bar', 'bar')])
+def test_match(stderr, script, branch_name):
+    assert match(Command(script=script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script', ['git branch foo', 'git checkout bar'])
+def test_not_match(script):
+    assert not match(Command(script=script, stderr=''))
+
+
+@pytest.mark.parametrize('script, branch_name, ', [
+    ('git branch foo', 'foo'), ('git checkout bar', 'bar')])
+def test_get_new_command(stderr, new_command, script, branch_name):
+    assert get_new_command(Command(script=script, stderr=stderr)) == new_command

tests/rules/test_git_branch_list.py

@@ -1,5 +1,5 @@
-from thefuck import shells
 from thefuck.rules.git_branch_list import match, get_new_command
+from thefuck.shells import shell
 from tests.utils import Command
 
 
@@ -16,4 +16,4 @@ def test_not_match():
 
 def test_get_new_command():
     assert (get_new_command(Command('git branch list')) ==
-            shells.and_('git branch --delete list', 'git branch'))
+            shell.and_('git branch --delete list', 'git branch'))

tests/rules/test_git_checkout.py

@@ -1,5 +1,6 @@
 import pytest
-from thefuck.rules.git_checkout import match, get_new_command
+from io import BytesIO
+from thefuck.rules.git_checkout import match, get_branches, get_new_command
 from tests.utils import Command
 
 
@@ -13,8 +14,10 @@ def did_not_match(target, did_you_forget=False):
 
 
 @pytest.fixture
-def get_branches(mocker):
-    return mocker.patch('thefuck.rules.git_checkout.get_branches')
+def git_branch(mocker, branches):
+    mock = mocker.patch('subprocess.Popen')
+    mock.return_value.stdout = BytesIO(branches)
+    return mock
 
 
 @pytest.mark.parametrize('command', [
@@ -33,21 +36,34 @@ def test_not_match(command):
     assert not match(command)
 
 
+@pytest.mark.parametrize('branches, branch_list', [
+    (b'', []),
+    (b'* master', ['master']),
+    (b'  remotes/origin/master', ['master']),
+    (b'  just-another-branch', ['just-another-branch']),
+    (b'* master\n  just-another-branch', ['master', 'just-another-branch']),
+    (b'* master\n  remotes/origin/master\n  just-another-branch',
+     ['master', 'master', 'just-another-branch'])])
+def test_get_branches(branches, branch_list, git_branch):
+    git_branch(branches)
+    assert list(get_branches()) == branch_list
+
+
 @pytest.mark.parametrize('branches, command, new_command', [
-    ([],
+    (b'',
      Command(script='git checkout unknown', stderr=did_not_match('unknown')),
      'git branch unknown && git checkout unknown'),
-    ([],
+    (b'',
      Command('git commit unknown', stderr=did_not_match('unknown')),
      'git branch unknown && git commit unknown'),
-    (['test-random-branch-123'],
+    (b'  test-random-branch-123',
      Command(script='git checkout tst-rdm-brnch-123',
              stderr=did_not_match('tst-rdm-brnch-123')),
      'git checkout test-random-branch-123'),
-    (['test-random-branch-123'],
+    (b'  test-random-branch-123',
      Command(script='git commit tst-rdm-brnch-123',
              stderr=did_not_match('tst-rdm-brnch-123')),
      'git commit test-random-branch-123')])
-def test_get_new_command(branches, command, new_command, get_branches):
-    get_branches.return_value = branches
+def test_get_new_command(branches, command, new_command, git_branch):
+    git_branch(branches)
     assert get_new_command(command) == new_command

tests/rules/test_git_diff_no_index.py

@@ -0,0 +1,23 @@
+import pytest
+from thefuck.rules.git_diff_no_index import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='git diff foo bar')])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='git diff --no-index foo bar'),
+    Command(script='git diff foo'),
+    Command(script='git diff foo bar baz')])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('git diff foo bar'), 'git diff --no-index foo bar')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command) == new_command

tests/rules/test_git_flag_after_filename.py

@@ -0,0 +1,31 @@
+import pytest
+from thefuck.rules.git_flag_after_filename import match, get_new_command
+from tests.utils import Command
+
+command1 = Command('git log README.md -p',
+                   stderr="fatal: bad flag '-p' used after filename")
+command2 = Command('git log README.md -p CONTRIBUTING.md',
+                   stderr="fatal: bad flag '-p' used after filename")
+command3 = Command('git log -p README.md --name-only',
+                   stderr="fatal: bad flag '--name-only' used after filename")
+
+
+@pytest.mark.parametrize('command', [
+    command1, command2, command3])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('git log README.md'),
+    Command('git log -p README.md')])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('command, result', [
+    (command1, "git log -p README.md"),
+    (command2, "git log -p README.md CONTRIBUTING.md"),
+    (command3, "git log -p --name-only README.md")])
+def test_get_new_command(command, result):
+    assert get_new_command(command) == result

tests/rules/test_git_help_aliased.py

@@ -0,0 +1,24 @@
+import pytest
+from thefuck.rules.git_help_aliased import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('script, stdout', [
+    ('git help st', "`git st' is aliased to `status'"),
+    ('git help ds', "`git ds' is aliased to `diff --staged'")])
+def test_match(script, stdout):
+    assert match(Command(script=script, stdout=stdout))
+
+
+@pytest.mark.parametrize('script, stdout', [
+    ('git help status', "GIT-STATUS(1)...Git Manual...GIT-STATUS(1)"),
+    ('git help diff', "GIT-DIFF(1)...Git Manual...GIT-DIFF(1)")])
+def test_not_match(script, stdout):
+    assert not match(Command(script=script, stdout=stdout))
+
+
+@pytest.mark.parametrize('script, stdout, new_command', [
+    ('git help st', "`git st' is aliased to `status'", 'git help status'),
+    ('git help ds', "`git ds' is aliased to `diff --staged'", 'git help diff')])
+def test_get_new_command(script, stdout, new_command):
+    assert get_new_command(Command(script=script, stdout=stdout)) == new_command

tests/rules/test_git_not_command.py

@@ -49,9 +49,9 @@ def test_match(git_not_command, git_command, git_not_command_one_of_this):
 
 def test_get_new_command(git_not_command, git_not_command_one_of_this,
                          git_not_command_closest):
-    assert get_new_command(Command('git brnch', stderr=git_not_command)) \
-           == ['git branch']
-    assert get_new_command(Command('git st', stderr=git_not_command_one_of_this)) \
-           == ['git stats', 'git stash', 'git stage']
-    assert get_new_command(Command('git tags', stderr=git_not_command_closest)) \
-           == ['git tag', 'git stage']
+    assert (get_new_command(Command('git brnch', stderr=git_not_command))
+            == ['git branch'])
+    assert (get_new_command(Command('git st', stderr=git_not_command_one_of_this))
+            == ['git stats', 'git stash', 'git stage'])
+    assert (get_new_command(Command('git tags', stderr=git_not_command_closest))
+            == ['git tag', 'git stage'])

tests/rules/test_git_pull.py

@@ -25,5 +25,5 @@ def test_match(stderr):
 
 
 def test_get_new_command(stderr):
-    assert get_new_command(Command('git pull', stderr=stderr)) \
-           == "git branch --set-upstream-to=origin/master master && git pull"
+    assert (get_new_command(Command('git pull', stderr=stderr))
+            == "git branch --set-upstream-to=origin/master master && git pull")

tests/rules/test_git_pull_uncommitted_changes.py

@@ -0,0 +1,19 @@
+import pytest
+from thefuck.rules.git_pull_uncommitted_changes import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return '''error: Cannot pull with rebase: You have unstaged changes.'''
+
+
+def test_match(stderr):
+    assert match(Command('git pull', stderr=stderr))
+    assert not match(Command('git pull'))
+    assert not match(Command('ls', stderr=stderr))
+
+
+def test_get_new_command(stderr):
+    assert (get_new_command(Command('git pull', stderr=stderr))
+            == "git stash && git pull && git stash pop")

tests/rules/test_git_pull_unstaged_changes.py

@@ -0,0 +1,19 @@
+import pytest
+from thefuck.rules.git_pull_uncommitted_changes import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return '''error: Cannot pull with rebase: Your index contains uncommitted changes.'''
+
+
+def test_match(stderr):
+    assert match(Command('git pull', stderr=stderr))
+    assert not match(Command('git pull'))
+    assert not match(Command('ls', stderr=stderr))
+
+
+def test_get_new_command(stderr):
+    assert (get_new_command(Command('git pull', stderr=stderr))
+            == "git stash && git pull && git stash pop")

tests/rules/test_git_push.py

@@ -14,6 +14,7 @@ To push the current branch and set the remote as upstream, use
 
 
 def test_match(stderr):
+    assert match(Command('git push', stderr=stderr))
     assert match(Command('git push master', stderr=stderr))
     assert not match(Command('git push master'))
     assert not match(Command('ls', stderr=stderr))
@@ -22,3 +23,11 @@ def test_match(stderr):
 def test_get_new_command(stderr):
     assert get_new_command(Command('git push', stderr=stderr))\
         == "git push --set-upstream origin master"
+    assert get_new_command(Command('git push -u', stderr=stderr))\
+        == "git push --set-upstream origin master"
+    assert get_new_command(Command('git push -u origin', stderr=stderr))\
+        == "git push --set-upstream origin master"
+    assert get_new_command(Command('git push --set-upstream origin', stderr=stderr))\
+        == "git push --set-upstream origin master"
+    assert get_new_command(Command('git push --quiet', stderr=stderr))\
+        == "git push --set-upstream origin master --quiet"

tests/rules/test_git_push_pull.py

@@ -13,6 +13,17 @@ To /tmp/foo
  hint: See the 'Note about fast-forwards' in 'git push --help' for details.
 '''
 
+git_err2 = '''
+To /tmp/foo
+ ! [rejected]        master -> master (non-fast-forward)
+ error: failed to push some refs to '/tmp/bar'
+hint: Updates were rejected because the remote contains work that you do
+hint: not have locally. This is usually caused by another repository pushing
+hint: to the same ref. You may want to first integrate the remote changes
+hint: (e.g., 'git pull ...') before pushing again.
+hint: See the 'Note about fast-forwards' in 'git push --help' for details.
+'''
+
 git_uptodate = 'Everything up-to-date'
 git_ok = '''
 Counting objects: 3, done.
@@ -28,7 +39,10 @@ To /tmp/bar
 @pytest.mark.parametrize('command', [
     Command(script='git push', stderr=git_err),
     Command(script='git push nvbn', stderr=git_err),
-    Command(script='git push nvbn master', stderr=git_err)])
+    Command(script='git push nvbn master', stderr=git_err),
+    Command(script='git push', stderr=git_err2),
+    Command(script='git push nvbn', stderr=git_err2),
+    Command(script='git push nvbn master', stderr=git_err2)])
 def test_match(command):
     assert match(command)
 
@@ -49,6 +63,11 @@ def test_not_match(command):
     (Command(script='git push nvbn', stderr=git_err),
      'git pull nvbn && git push nvbn'),
     (Command(script='git push nvbn master', stderr=git_err),
+     'git pull nvbn master && git push nvbn master'),
+    (Command(script='git push', stderr=git_err2), 'git pull && git push'),
+    (Command(script='git push nvbn', stderr=git_err2),
+     'git pull nvbn && git push nvbn'),
+    (Command(script='git push nvbn master', stderr=git_err2),
      'git pull nvbn master && git push nvbn master')])
 def test_get_new_command(command, output):
     assert get_new_command(command) == output

tests/rules/test_git_rebase_merge_dir.py

@@ -0,0 +1,40 @@
+import pytest
+from thefuck.rules.git_rebase_merge_dir import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return ('\n\nIt seems that there is already a rebase-merge directory, and\n'
+            'I wonder if you are in the middle of another rebase.  If that is the\n'
+            'case, please try\n'
+            '\tgit rebase (--continue | --abort | --skip)\n'
+            'If that is not the case, please\n'
+            '\trm -fr "/foo/bar/baz/egg/.git/rebase-merge"\n'
+            'and run me again.  I am stopping in case you still have something\n'
+            'valuable there.\n')
+
+
+@pytest.mark.parametrize('script', [
+    ('git rebase master'), ('git rebase -skip'), ('git rebase')])
+def test_match(stderr, script):
+    assert match(Command(script=script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script', ['git rebase master', 'git rebase -abort'])
+def test_not_match(script):
+    assert not match(Command(script=script))
+
+
+@pytest.mark.parametrize('script, result', [
+    ('git rebase master', [
+        'git rebase --abort', 'git rebase --skip', 'git rebase --continue',
+        'rm -fr "/foo/bar/baz/egg/.git/rebase-merge"']),
+    ('git rebase -skip', [
+        'git rebase --skip', 'git rebase --abort', 'git rebase --continue',
+        'rm -fr "/foo/bar/baz/egg/.git/rebase-merge"']),
+    ('git rebase', [
+        'git rebase --skip', 'git rebase --abort', 'git rebase --continue',
+        'rm -fr "/foo/bar/baz/egg/.git/rebase-merge"'])])
+def test_get_new_command(stderr, script, result):
+    assert get_new_command(Command(script=script, stderr=stderr)) == result

tests/rules/test_git_rebase_no_changes.py

@@ -0,0 +1,28 @@
+import pytest
+from thefuck.rules.git_rebase_no_changes import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stdout():
+    return '''Applying: Test commit
+No changes - did you forget to use 'git add'?
+If there is nothing left to stage, chances are that something else
+already introduced the same changes; you might want to skip this patch.
+
+When you have resolved this problem, run "git rebase --continue".
+If you prefer to skip this patch, run "git rebase --skip" instead.
+To check out the original branch and stop rebasing, run "git rebase --abort".
+
+'''
+
+
+def test_match(stdout):
+    assert match(Command('git rebase --continue', stdout=stdout))
+    assert not match(Command('git rebase --continue'))
+    assert not match(Command('git rebase --skip'))
+
+
+def test_get_new_command(stdout):
+    assert (get_new_command(Command('git rebase --continue', stdout=stdout)) ==
+            'git rebase --skip')

tests/rules/test_git_remote_seturl_add.py

@@ -0,0 +1,26 @@
+import pytest
+from thefuck.rules.git_remote_seturl_add import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='git remote set-url origin url', stderr="fatal: No such remote")])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('git remote set-url origin url', stderr=""),
+    Command('git remote add origin url'),
+    Command('git remote remove origin'),
+    Command('git remote prune origin'),
+    Command('git remote set-branches origin branch')])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('git remote set-url origin git@github.com:nvbn/thefuck.git'),
+     'git remote add origin git@github.com:nvbn/thefuck.git')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command) == new_command

tests/rules/test_git_rm_local_modifications.py

@@ -0,0 +1,28 @@
+import pytest
+from thefuck.rules.git_rm_local_modifications import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr(target):
+    return ('error: the following file has local modifications:\n    {}\n(use '
+            '--cached to keep the file, or -f to force removal)').format(target)
+
+
+@pytest.mark.parametrize('script, target', [
+    ('git rm foo', 'foo'),
+    ('git rm foo bar', 'bar')])
+def test_match(stderr, script, target):
+    assert match(Command(script=script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script', ['git rm foo', 'git rm foo bar', 'git rm'])
+def test_not_match(script):
+    assert not match(Command(script=script, stderr=''))
+
+
+@pytest.mark.parametrize('script, target, new_command', [
+    ('git rm foo', 'foo', ['git rm --cached foo', 'git rm -f foo']),
+    ('git rm foo bar', 'bar', ['git rm --cached foo bar', 'git rm -f foo bar'])])
+def test_get_new_command(stderr, script, target, new_command):
+    assert get_new_command(Command(script=script, stderr=stderr)) == new_command

tests/rules/test_git_rm_recursive.py

@@ -0,0 +1,27 @@
+import pytest
+from thefuck.rules.git_rm_recursive import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr(target):
+    return "fatal: not removing '{}' recursively without -r".format(target)
+
+
+@pytest.mark.parametrize('script, target', [
+    ('git rm foo', 'foo'),
+    ('git rm foo bar', 'foo bar')])
+def test_match(stderr, script, target):
+    assert match(Command(script=script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script', ['git rm foo', 'git rm foo bar'])
+def test_not_match(script):
+    assert not match(Command(script=script, stderr=''))
+
+
+@pytest.mark.parametrize('script, target, new_command', [
+    ('git rm foo', 'foo', 'git rm -r foo'),
+    ('git rm foo bar', 'foo bar', 'git rm -r foo bar')])
+def test_get_new_command(stderr, script, target, new_command):
+    assert get_new_command(Command(script=script, stderr=stderr)) == new_command

tests/rules/test_git_rm_staged.py

@@ -0,0 +1,28 @@
+import pytest
+from thefuck.rules.git_rm_staged import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr(target):
+    return ('error: the following file has changes staged in the index:\n    {}\n(use '
+            '--cached to keep the file, or -f to force removal)').format(target)
+
+
+@pytest.mark.parametrize('script, target', [
+    ('git rm foo', 'foo'),
+    ('git rm foo bar', 'bar')])
+def test_match(stderr, script, target):
+    assert match(Command(script=script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script', ['git rm foo', 'git rm foo bar', 'git rm'])
+def test_not_match(script):
+    assert not match(Command(script=script, stderr=''))
+
+
+@pytest.mark.parametrize('script, target, new_command', [
+    ('git rm foo', 'foo', ['git rm --cached foo', 'git rm -f foo']),
+    ('git rm foo bar', 'bar', ['git rm --cached foo bar', 'git rm -f foo bar'])])
+def test_get_new_command(stderr, script, target, new_command):
+    assert get_new_command(Command(script=script, stderr=stderr)) == new_command

tests/rules/test_git_stash.py

@@ -4,14 +4,14 @@ from tests.utils import Command
 
 
 cherry_pick_error = (
-        'error: Your local changes would be overwritten by cherry-pick.\n'
-        'hint: Commit your changes or stash them to proceed.\n'
-        'fatal: cherry-pick failed')
+    'error: Your local changes would be overwritten by cherry-pick.\n'
+    'hint: Commit your changes or stash them to proceed.\n'
+    'fatal: cherry-pick failed')
 
 
 rebase_error = (
-        'Cannot rebase: Your index contains uncommitted changes.\n'
-        'Please commit or stash them.')
+    'Cannot rebase: Your index contains uncommitted changes.\n'
+    'Please commit or stash them.')
 
 
 @pytest.mark.parametrize('command', [

tests/rules/test_git_stash_pop.py

@@ -0,0 +1,18 @@
+import pytest
+from thefuck.rules.git_stash_pop import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return '''error: Your local changes to the following files would be overwritten by merge:'''
+
+
+def test_match(stderr):
+    assert match(Command('git stash pop', stderr=stderr))
+    assert not match(Command('git stash'))
+
+
+def test_get_new_command(stderr):
+    assert (get_new_command(Command('git stash pop', stderr=stderr))
+            == "git add . && git stash pop && git reset .")

tests/rules/test_git_tag_force.py

@@ -0,0 +1,18 @@
+import pytest
+from thefuck.rules.git_tag_force import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return '''fatal: tag 'alert' already exists'''
+
+
+def test_match(stderr):
+    assert match(Command('git tag alert', stderr=stderr))
+    assert not match(Command('git tag alert'))
+
+
+def test_get_new_command(stderr):
+    assert (get_new_command(Command('git tag alert', stderr=stderr))
+            == "git tag --force alert")

tests/rules/test_gradle_not_task.py

@@ -0,0 +1,158 @@
+import pytest
+from io import BytesIO
+from thefuck.rules.gradle_no_task import match, get_new_command
+from tests.utils import Command
+
+gradle_tasks = b'''
+:tasks
+
+------------------------------------------------------------
+All tasks runnable from root project
+------------------------------------------------------------
+
+Android tasks
+-------------
+androidDependencies - Displays the Android dependencies of the project.
+signingReport - Displays the signing info for each variant.
+sourceSets - Prints out all the source sets defined in this project.
+
+Build tasks
+-----------
+assemble - Assembles all variants of all applications and secondary packages.
+assembleAndroidTest - Assembles all the Test applications.
+assembleDebug - Assembles all Debug builds.
+assembleRelease - Assembles all Release builds.
+build - Assembles and tests this project.
+buildDependents - Assembles and tests this project and all projects that depend on it.
+buildNeeded - Assembles and tests this project and all projects it depends on.
+compileDebugAndroidTestSources
+compileDebugSources
+compileDebugUnitTestSources
+compileReleaseSources
+compileReleaseUnitTestSources
+extractDebugAnnotations - Extracts Android annotations for the debug variant into the archive file
+extractReleaseAnnotations - Extracts Android annotations for the release variant into the archive file
+mockableAndroidJar - Creates a version of android.jar that's suitable for unit tests.
+
+Build Setup tasks
+-----------------
+init - Initializes a new Gradle build. [incubating]
+wrapper - Generates Gradle wrapper files. [incubating]
+
+Help tasks
+----------
+components - Displays the components produced by root project 'org.rerenderer_example.snake'. [incubating]
+dependencies - Displays all dependencies declared in root project 'org.rerenderer_example.snake'.
+dependencyInsight - Displays the insight into a specific dependency in root project 'org.rerenderer_example.snake'.
+help - Displays a help message.
+model - Displays the configuration model of root project 'org.rerenderer_example.snake'. [incubating]
+projects - Displays the sub-projects of root project 'org.rerenderer_example.snake'.
+properties - Displays the properties of root project 'org.rerenderer_example.snake'.
+tasks - Displays the tasks runnable from root project 'org.rerenderer_example.snake' (some of the displayed tasks may belong to subprojects).
+
+Install tasks
+-------------
+installDebug - Installs the Debug build.
+installDebugAndroidTest - Installs the android (on device) tests for the Debug build.
+installRelease - Installs the Release build.
+uninstallAll - Uninstall all applications.
+uninstallDebug - Uninstalls the Debug build.
+uninstallDebugAndroidTest - Uninstalls the android (on device) tests for the Debug build.
+uninstallRelease - Uninstalls the Release build.
+
+React tasks
+-----------
+bundleDebugJsAndAssets - bundle JS and assets for Debug.
+bundleReleaseJsAndAssets - bundle JS and assets for Release.
+
+Verification tasks
+------------------
+check - Runs all checks.
+clean - Deletes the build directory.
+connectedAndroidTest - Installs and runs instrumentation tests for all flavors on connected devices.
+connectedCheck - Runs all device checks on currently connected devices.
+connectedDebugAndroidTest - Installs and runs the tests for debug on connected devices.
+deviceAndroidTest - Installs and runs instrumentation tests using all Device Providers.
+deviceCheck - Runs all device checks using Device Providers and Test Servers.
+lint - Runs lint on all variants.
+lintDebug - Runs lint on the Debug build.
+lintRelease - Runs lint on the Release build.
+test - Run unit tests for all variants.
+testDebugUnitTest - Run unit tests for the debug build.
+testReleaseUnitTest - Run unit tests for the release build.
+
+Other tasks
+-----------
+assembleDefault
+copyDownloadableDepsToLibs
+jarDebugClasses
+jarReleaseClasses
+
+To see all tasks and more detail, run gradlew tasks --all
+
+To see more detail about a task, run gradlew help --task <task>
+
+BUILD SUCCESSFUL
+
+Total time: 1.936 secs
+'''
+
+stderr_not_found = '''
+
+FAILURE: Build failed with an exception.
+
+* What went wrong:
+Task '{}' not found in root project 'org.rerenderer_example.snake'.
+
+* Try:
+Run gradlew tasks to get a list of available tasks. Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
+'''.format
+
+stderr_ambiguous = '''
+
+FAILURE: Build failed with an exception.
+
+* What went wrong:
+Task '{}' is ambiguous in root project 'org.rerenderer_example.snake'. Candidates are: 'assembleRelease', 'assembleReleaseUnitTest'.
+
+* Try:
+Run gradlew tasks to get a list of available tasks. Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
+'''.format
+
+
+@pytest.fixture(autouse=True)
+def tasks(mocker):
+    patch = mocker.patch('thefuck.rules.gradle_no_task.Popen')
+    patch.return_value.stdout = BytesIO(gradle_tasks)
+    return patch
+
+
+@pytest.mark.parametrize('command', [
+    Command('./gradlew assembler', stderr=stderr_ambiguous('assembler')),
+    Command('./gradlew instar', stderr=stderr_not_found('instar')),
+    Command('gradle assembler', stderr=stderr_ambiguous('assembler')),
+    Command('gradle instar', stderr=stderr_not_found('instar'))])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('./gradlew assemble'),
+    Command('gradle assemble'),
+    Command('npm assembler', stderr=stderr_ambiguous('assembler')),
+    Command('npm instar', stderr=stderr_not_found('instar'))])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('command, result', [
+    (Command('./gradlew assembler', stderr=stderr_ambiguous('assembler')),
+     './gradlew assemble'),
+    (Command('./gradlew instardebug', stderr=stderr_not_found('instardebug')),
+     './gradlew installDebug'),
+    (Command('gradle assembler', stderr=stderr_ambiguous('assembler')),
+     'gradle assemble'),
+    (Command('gradle instardebug', stderr=stderr_not_found('instardebug')),
+     'gradle installDebug')])
+def test_get_new_command(command, result):
+    assert get_new_command(command)[0] == result

tests/rules/test_gradle_wrapper.py

@@ -0,0 +1,38 @@
+import pytest
+from thefuck.rules.gradle_wrapper import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture(autouse=True)
+def exists(mocker):
+    return mocker.patch('thefuck.rules.gradle_wrapper.os.path.isfile',
+                        return_value=True)
+
+
+@pytest.mark.parametrize('command', [
+    Command('gradle tasks', stderr='gradle: not found'),
+    Command('gradle build', stderr='gradle: not found')])
+def test_match(mocker, command):
+    mocker.patch('thefuck.rules.gradle_wrapper.which', return_value=None)
+
+    assert match(command)
+
+
+@pytest.mark.parametrize('command, gradlew, which', [
+    (Command('gradle tasks', stderr='gradle: not found'), False, None),
+    (Command('gradle tasks', stderr='command not found'), True, '/usr/bin/gradle'),
+    (Command('npm tasks', stderr='npm: not found'), True, None)])
+def test_not_match(mocker, exists, command, gradlew, which):
+    mocker.patch('thefuck.rules.gradle_wrapper.which', return_value=which)
+    exists.return_value = gradlew
+
+    assert not match(command)
+
+
+@pytest.mark.parametrize('script, result', [
+    ('gradle assemble', './gradlew assemble'),
+    ('gradle --help', './gradlew --help'),
+    ('gradle build -c', './gradlew build -c')])
+def test_get_new_command(script, result):
+    command = Command(script)
+    assert get_new_command(command) == result

tests/rules/test_grep_arguments_order.py

@@ -0,0 +1,40 @@
+import pytest
+from thefuck.rules.grep_arguments_order import get_new_command, match
+from tests.utils import Command
+
+stderr = 'grep: {}: No such file or directory'.format
+
+
+@pytest.fixture(autouse=True)
+def os_path(monkeypatch):
+    monkeypatch.setattr('os.path.isfile', lambda x: not x.startswith('-'))
+
+
+@pytest.mark.parametrize('script, file', [
+    ('grep test.py test', 'test'),
+    ('grep -lir . test', 'test'),
+    ('egrep test.py test', 'test'),
+    ('egrep -lir . test', 'test')])
+def test_match(script, file):
+    assert match(Command(script, stderr=stderr(file)))
+
+
+@pytest.mark.parametrize('script, stderr', [
+    ('cat test.py', stderr('test')),
+    ('grep test test.py', ''),
+    ('grep -lir test .', ''),
+    ('egrep test test.py', ''),
+    ('egrep -lir test .', '')])
+def test_not_match(script, stderr):
+    assert not match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, stderr, result', [
+    ('grep test.py test', stderr('test'), 'grep test test.py'),
+    ('grep -lir . test', stderr('test'), 'grep -lir test .'),
+    ('grep . test -lir', stderr('test'), 'grep test -lir .'),
+    ('egrep test.py test', stderr('test'), 'egrep test test.py'),
+    ('egrep -lir . test', stderr('test'), 'egrep -lir test .'),
+    ('egrep . test -lir', stderr('test'), 'egrep test -lir .')])
+def test_get_new_command(script, stderr, result):
+    assert get_new_command(Command(script, stderr=stderr)) == result

tests/rules/test_grunt_task_not_found.py

@@ -0,0 +1,129 @@
+# -*- encoding: utf-8 -*-
+
+from io import BytesIO
+import pytest
+from tests.utils import Command
+from thefuck.rules.grunt_task_not_found import match, get_new_command
+
+stdout = '''
+Warning: Task "{}" not found. Use --force to continue.
+
+Aborted due to warnings.
+
+
+Execution Time (2016-08-13 21:01:40 UTC+3)
+loading tasks  11ms  ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 92%
+Total 12ms
+
+'''.format
+
+grunt_help_stdout = b'''
+Grunt: The JavaScript Task Runner (v0.4.5)
+
+Usage
+ grunt [options] [task [task ...]]
+
+Options
+    --help, -h  Display this help text.
+        --base  Specify an alternate base path. By default, all file paths are
+                relative to the Gruntfile. (grunt.file.setBase) *
+    --no-color  Disable colored output.
+   --gruntfile  Specify an alternate Gruntfile. By default, grunt looks in the
+                current or parent directories for the nearest Gruntfile.js or
+                Gruntfile.coffee file.
+   --debug, -d  Enable debugging mode for tasks that support it.
+       --stack  Print a stack trace when exiting with a warning or fatal error.
+   --force, -f  A way to force your way past warnings. Want a suggestion? Don't
+                use this option, fix your code.
+       --tasks  Additional directory paths to scan for task and "extra" files.
+                (grunt.loadTasks) *
+         --npm  Npm-installed grunt plugins to scan for task and "extra" files.
+                (grunt.loadNpmTasks) *
+    --no-write  Disable writing files (dry run).
+ --verbose, -v  Verbose mode. A lot more information output.
+ --version, -V  Print the grunt version. Combine with --verbose for more info.
+  --completion  Output shell auto-completion rules. See the grunt-cli
+                documentation for more information.
+
+Options marked with * have methods exposed via the grunt API and should instead
+be specified inside the Gruntfile wherever possible.
+
+Available tasks
+  autoprefixer  Prefix CSS files. *
+    concurrent  Run grunt tasks concurrently *
+         clean  Clean files and folders. *
+       compass  Compile Sass to CSS using Compass *
+        concat  Concatenate files. *
+       connect  Start a connect web server. *
+          copy  Copy files. *
+        cssmin  Minify CSS *
+       htmlmin  Minify HTML *
+      imagemin  Minify PNG, JPEG, GIF and SVG images *
+        jshint  Validate files with JSHint. *
+        uglify  Minify files with UglifyJS. *
+         watch  Run predefined tasks whenever watched files change.
+       filerev  File revisioning based on content hashing *
+        cdnify  Replace scripts with refs to the Google CDN *
+         karma  run karma. *
+         newer  Run a task with only those source files that have been modified
+                since the last successful run.
+     any-newer  DEPRECATED TASK.  Use the "newer" task instead
+ newer-postrun  Internal task.
+   newer-clean  Remove cached timestamps.
+    ngAnnotate  Add, remove and rebuild AngularJS dependency injection
+                annotations *
+    ngconstant  Dynamic angular constant generator task. *
+        svgmin  Minify SVG *
+        usemin  Replaces references to non-minified scripts / stylesheets *
+ useminPrepare  Using HTML markup as the primary source of information *
+       wiredep  Inject Bower components into your source code. *
+         serve  Compile then start a connect web server
+        server  DEPRECATED TASK. Use the "serve" task instead
+          test  Alias for "clean:server", "ngconstant:test", "wiredep",
+                "concurrent:test", "autoprefixer", "connect:test", "karma"
+                tasks.
+         build  Alias for "ngconstant:production", "clean:dist", "wiredep",
+                "useminPrepare", "concurrent:dist", "autoprefixer", "concat",
+                "ngAnnotate", "copy:dist", "cdnify", "cssmin", "uglify",
+                "filerev", "usemin", "htmlmin" tasks.
+       default  Alias for "newer:jshint", "test", "build" tasks.
+
+Tasks run in the order specified. Arguments may be passed to tasks that accept
+them by using colons, like "lint:files". Tasks marked with * are "multi tasks"
+and will iterate over all sub-targets if no argument is specified.
+
+The list of available tasks may change based on tasks directories or grunt
+plugins specified in the Gruntfile or via command-line options.
+
+For more information, see http://gruntjs.com/
+'''
+
+
+@pytest.fixture(autouse=True)
+def grunt_help(mocker):
+    patch = mocker.patch('thefuck.rules.grunt_task_not_found.Popen')
+    patch.return_value.stdout = BytesIO(grunt_help_stdout)
+    return patch
+
+
+@pytest.mark.parametrize('command', [
+    Command('grunt defualt', stdout('defualt')),
+    Command('grunt buld:css', stdout('buld:css'))])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('npm nuild', stdout('nuild')),
+    Command('grunt rm')])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('command, result', [
+    (Command('grunt defualt', stdout('defualt')), 'grunt default'),
+    (Command('grunt cmpass:all', stdout('cmpass:all')), 'grunt compass:all'),
+    (Command('grunt cmpass:all --color', stdout('cmpass:all')),
+     'grunt compass:all --color')])
+def test_get_new_command(command, result):
+    assert get_new_command(command) == result

tests/rules/test_gulp_not_task.py

@@ -1,4 +1,5 @@
 import pytest
+from io import BytesIO
 from tests.utils import Command
 from thefuck.rules.gulp_not_task import match, get_new_command
 
@@ -22,7 +23,7 @@ def test_not_march(script, stdout):
 
 
 def test_get_new_command(mocker):
-    mocker.patch('thefuck.rules.gulp_not_task.get_gulp_tasks', return_value=[
-        'serve', 'build', 'default'])
+    mock = mocker.patch('subprocess.Popen')
+    mock.return_value.stdout = BytesIO(b'serve \nbuild \ndefault \n')
     command = Command('gulp srve', stdout('srve'))
     assert get_new_command(command) == ['gulp serve', 'gulp default']

tests/rules/test_has_exists_script.py

@@ -7,7 +7,7 @@ def test_match():
     with patch('os.path.exists', return_value=True):
         assert match(Command(script='main', stderr='main: command not found'))
         assert match(Command(script='main --help',
-                          stderr='main: command not found'))
+                             stderr='main: command not found'))
         assert not match(Command(script='main', stderr=''))
 
     with patch('os.path.exists', return_value=False):

tests/rules/test_history.py

@@ -3,38 +3,23 @@ from thefuck.rules.history import match, get_new_command
 from tests.utils import Command
 
 
-@pytest.fixture
-def history(mocker):
-    return mocker.patch('thefuck.rules.history.get_history',
-                        return_value=['le cat', 'fuck', 'ls cat',
-                                      'diff x', 'nocommand x'])
+@pytest.fixture(autouse=True)
+def history_without_current(mocker):
+    return mocker.patch(
+        'thefuck.rules.history.get_valid_history_without_current',
+        return_value=['ls cat', 'diff x'])
 
 
-@pytest.fixture
-def alias(mocker):
-    return mocker.patch('thefuck.rules.history.thefuck_alias',
-                        return_value='fuck')
-
-
-@pytest.fixture
-def callables(mocker):
-    return mocker.patch('thefuck.rules.history.get_all_executables',
-                        return_value=['diff', 'ls'])
-
-
-@pytest.mark.usefixtures('history', 'callables', 'no_memoize', 'alias')
 @pytest.mark.parametrize('script', ['ls cet', 'daff x'])
 def test_match(script):
     assert match(Command(script=script))
 
 
-@pytest.mark.usefixtures('history', 'callables', 'no_memoize', 'alias')
 @pytest.mark.parametrize('script', ['apt-get', 'nocommand y'])
 def test_not_match(script):
     assert not match(Command(script=script))
 
 
-@pytest.mark.usefixtures('history', 'callables', 'no_memoize', 'alias')
 @pytest.mark.parametrize('script, result', [
     ('ls cet', 'ls cat'),
     ('daff x', 'diff x')])

tests/rules/test_hostscli.py

@@ -0,0 +1,29 @@
+import pytest
+from thefuck.rules.hostscli import no_website, get_new_command, match
+from tests.utils import Command
+
+no_website_long = '''
+{}:
+
+No Domain list found for website: a_website_that_does_not_exist
+
+Please raise a Issue here: https://github.com/dhilipsiva/hostscli/issues/new
+if you think we should add domains for this website.
+
+type `hostscli websites` to see a list of websites that you can block/unblock
+'''.format(no_website)
+
+
+@pytest.mark.parametrize('command', [
+    Command('hostscli block a_website_that_does_not_exist',
+            stderr=no_website_long)])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command, result', [(
+    Command('hostscli block a_website_that_does_not_exist',
+            stderr=no_website_long),
+    ['hostscli websites'])])
+def test_get_new_command(command, result):
+    assert get_new_command(command) == result

tests/rules/test_ifconfig_device_not_found.py

@@ -0,0 +1,53 @@
+import pytest
+from six import BytesIO
+from thefuck.rules.ifconfig_device_not_found import match, get_new_command
+from tests.utils import Command
+
+
+stderr = '{}: error fetching interface information: Device not found'
+
+stdout = b'''
+wlp2s0    Link encap:Ethernet  HWaddr 5c:51:4f:7c:58:5d
+          inet addr:192.168.0.103  Bcast:192.168.0.255  Mask:255.255.255.0
+          inet6 addr: fe80::be23:69b9:96d2:6d39/64 Scope:Link
+          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
+          RX packets:23581604 errors:0 dropped:0 overruns:0 frame:0
+          TX packets:17017655 errors:0 dropped:0 overruns:0 carrier:0
+          collisions:0 txqueuelen:1000
+          RX bytes:16148429061 (16.1 GB)  TX bytes:7067533695 (7.0 GB)
+'''
+
+
+@pytest.fixture(autouse=True)
+def ifconfig(mocker):
+    mock = mocker.patch(
+        'thefuck.rules.ifconfig_device_not_found.subprocess.Popen')
+    mock.return_value.stdout = BytesIO(stdout)
+    return mock
+
+
+@pytest.mark.parametrize('script, stderr', [
+    ('ifconfig wlan0', stderr.format('wlan0')),
+    ('ifconfig -s eth0', stderr.format('eth0')),
+])
+def test_match(script, stderr):
+    assert match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, stderr', [
+    ('config wlan0',
+     'wlan0: error fetching interface information: Device not found'),
+    ('ifconfig eth0', ''),
+])
+def test_not_match(script, stderr):
+    assert not match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, result', [
+    ('ifconfig wlan0', ['ifconfig wlp2s0']),
+    ('ifconfig -s wlan0', ['ifconfig -s wlp2s0']),
+])
+def test_get_new_comman(script, result):
+    new_command = get_new_command(
+        Command(script, stderr=stderr.format('wlan0')))
+    assert new_command == result

tests/rules/test_lein_not_task.py

@@ -19,5 +19,5 @@ def test_match(is_not_task):
 
 
 def test_get_new_command(is_not_task):
-    assert get_new_command(Command(script='lein rpl --help', stderr=is_not_task)) \
-           == ['lein repl --help', 'lein jar --help']
+    assert (get_new_command(Command(script='lein rpl --help', stderr=is_not_task))
+            == ['lein repl --help', 'lein jar --help'])

tests/rules/test_ln_no_hard_link.py

@@ -0,0 +1,37 @@
+# -*- coding: utf-8 -*-
+import pytest
+from thefuck.rules.ln_no_hard_link import match, get_new_command
+from tests.utils import Command
+
+error = "hard link not allowed for directory"
+
+
+@pytest.mark.parametrize('script, stderr', [
+    ("ln barDir barLink", "ln: ‘barDir’: {}"),
+    ("sudo ln a b", "ln: ‘a’: {}"),
+    ("sudo ln -nbi a b", "ln: ‘a’: {}")])
+def test_match(script, stderr):
+    command = Command(script, stderr=stderr.format(error))
+    assert match(command)
+
+
+@pytest.mark.parametrize('script, stderr', [
+    ('', ''),
+    ("ln a b", "... hard link"),
+    ("sudo ln a b", "... hard link"),
+    ("a b", error)])
+def test_not_match(script, stderr):
+    command = Command(script, stderr=stderr)
+    assert not match(command)
+
+
+@pytest.mark.parametrize('script, result', [
+    ("ln barDir barLink", "ln -s barDir barLink"),
+    ("sudo ln barDir barLink", "sudo ln -s barDir barLink"),
+    ("sudo ln -nbi a b", "sudo ln -s -nbi a b"),
+    ("ln -nbi a b && ls", "ln -s -nbi a b && ls"),
+    ("ln a ln", "ln -s a ln"),
+    ("sudo ln a ln", "sudo ln -s a ln")])
+def test_get_new_command(script, result):
+    command = Command(script)
+    assert get_new_command(command) == result

tests/rules/test_ln_s_order.py

@@ -0,0 +1,32 @@
+import pytest
+from thefuck.rules.ln_s_order import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def file_exists(mocker):
+    return mocker.patch('os.path.exists', return_value=True)
+
+
+get_stderr = "ln: failed to create symbolic link '{}': File exists".format
+
+
+@pytest.mark.parametrize('script, stderr, exists', [
+    ('ln dest source', get_stderr('source'), True),
+    ('ls -s dest source', get_stderr('source'), True),
+    ('ln -s dest source', '', True),
+    ('ln -s dest source', get_stderr('source'), False)])
+def test_not_match(file_exists, script, stderr, exists):
+    file_exists.return_value = exists
+    assert not match(Command(script, stderr=stderr))
+
+
+@pytest.mark.usefixtures('file_exists')
+@pytest.mark.parametrize('script, result', [
+    ('ln -s dest source', 'ln -s source dest'),
+    ('ln dest -s source', 'ln -s source dest'),
+    ('ln dest source -s', 'ln source -s dest')])
+def test_match(script, result):
+    stderr = get_stderr('source')
+    assert match(Command(script, stderr=stderr))
+    assert get_new_command(Command(script, stderr=stderr)) == result

tests/rules/test_ls_all.py

@@ -0,0 +1,12 @@
+from thefuck.rules.ls_all import match, get_new_command
+from tests.utils import Command
+
+
+def test_match():
+    assert match(Command(script='ls'))
+    assert not match(Command(script='ls', stdout='file.py\n'))
+
+
+def test_get_new_command():
+    assert get_new_command(Command(script='ls empty_dir')) == 'ls -A empty_dir'
+    assert get_new_command(Command(script='ls')) == 'ls -A'

tests/rules/test_man.py

@@ -23,7 +23,8 @@ def test_not_match(command):
 
 
 @pytest.mark.parametrize('command, new_command', [
-    (Command('man read'), ['man 3 read', 'man 2 read']),
+    (Command('man read'), ['man 3 read', 'man 2 read', 'read --help']),
+    (Command('man missing', stderr="No manual entry for missing\n"), ['missing --help']),
     (Command('man 2 read'), 'man 3 read'),
     (Command('man 3 read'), 'man 2 read'),
     (Command('man -s2 read'), 'man -s3 read'),

tests/rules/test_missing_space_before_subcommand.py

@@ -0,0 +1,39 @@
+import pytest
+from thefuck.rules.missing_space_before_subcommand import (
+    match, get_new_command)
+from tests.utils import Command
+
+
+@pytest.fixture(autouse=True)
+def which(mocker):
+    return mocker.patch('thefuck.rules.missing_space_before_subcommand.which',
+                        return_value=None)
+
+
+@pytest.fixture(autouse=True)
+def all_executables(mocker):
+    return mocker.patch(
+        'thefuck.rules.missing_space_before_subcommand.get_all_executables',
+        return_value=['git', 'ls', 'npm'])
+
+
+@pytest.mark.parametrize('script', [
+    'gitbranch', 'ls-la', 'npminstall'])
+def test_match(script):
+    assert match(Command(script))
+
+
+@pytest.mark.parametrize('script, which_result', [
+    ('git branch', '/usr/bin/git'),
+    ('vimfile', None)])
+def test_not_match(script, which_result, which):
+    which.return_value = which_result
+    assert not match(Command(script))
+
+
+@pytest.mark.parametrize('script, result', [
+    ('gitbranch', 'git branch'),
+    ('ls-la', 'ls -la'),
+    ('npminstall webpack', 'npm install webpack')])
+def test_get_new_command(script, result):
+    assert get_new_command(Command(script)) == result

tests/rules/test_mvn_no_command.py

@@ -25,7 +25,7 @@ def test_match(command):
 [INFO] Finished at: Wed Aug 26 13:05:47 BST 2015
 [INFO] Final Memory: 6M/240M
 [INFO] ------------------------------------------------------------------------
-"""),
+"""),  # noqa
     Command(script='mvn --help'),
     Command(script='mvn -v')
 ])

tests/rules/test_mvn_unknown_lifecycle_phase.py

@@ -25,7 +25,7 @@ def test_match(command):
 [INFO] Finished at: Wed Aug 26 13:05:47 BST 2015
 [INFO] Final Memory: 6M/240M
 [INFO] ------------------------------------------------------------------------
-"""),
+"""),  # noqa
     Command(script='mvn --help'),
     Command(script='mvn -v')
 ])

tests/rules/test_no_command.py

@@ -6,22 +6,42 @@ from tests.utils import Command
 @pytest.fixture(autouse=True)
 def get_all_executables(mocker):
     mocker.patch('thefuck.rules.no_command.get_all_executables',
-                 return_value=['vim', 'apt-get', 'fsck'])
+                 return_value=['vim', 'fsck', 'git', 'go'])
+
+
+@pytest.fixture(autouse=True)
+def history_without_current(mocker):
+    return mocker.patch(
+        'thefuck.rules.no_command.get_valid_history_without_current',
+        return_value=['git commit'])
 
 
 @pytest.mark.usefixtures('no_memoize')
-def test_match():
-    assert match(Command(stderr='vom: not found', script='vom file.py'))
-    assert match(Command(stderr='fucck: not found', script='fucck'))
-    assert not match(Command(stderr='qweqwe: not found', script='qweqwe'))
-    assert not match(Command(stderr='some text', script='vom file.py'))
+@pytest.mark.parametrize('script, stderr', [
+    ('vom file.py', 'vom: not found'),
+    ('fucck', 'fucck: not found'),
+    ('got commit', 'got: command not found')])
+def test_match(mocker, script, stderr):
+    mocker.patch('thefuck.rules.no_command.which', return_value=None)
+
+    assert match(Command(script, stderr=stderr))
 
 
 @pytest.mark.usefixtures('no_memoize')
-def test_get_new_command():
-    assert get_new_command(
-        Command(stderr='vom: not found',
-                script='vom file.py')) == ['vim file.py']
-    assert get_new_command(
-        Command(stderr='fucck: not found',
-                script='fucck')) == ['fsck']
+@pytest.mark.parametrize('script, stderr, which', [
+    ('qweqwe', 'qweqwe: not found', None),
+    ('vom file.py', 'some text', None),
+    ('vim file.py', 'vim: not found', 'vim')])
+def test_not_match(mocker, script, stderr, which):
+    mocker.patch('thefuck.rules.no_command.which', return_value=which)
+
+    assert not match(Command(script, stderr=stderr))
+
+
+@pytest.mark.usefixtures('no_memoize')
+@pytest.mark.parametrize('script, result', [
+    ('vom file.py', ['vim file.py']),
+    ('fucck', ['fsck']),
+    ('got commit', ['git commit', 'go commit'])])
+def test_get_new_command(script, result):
+    assert get_new_command(Command(script)) == result

tests/rules/test_npm_missing_script.py

@@ -0,0 +1,69 @@
+import pytest
+from io import BytesIO
+from tests.utils import Command
+from thefuck.rules.npm_missing_script import match, get_new_command
+
+stderr = '''
+npm ERR! Linux 4.4.0-31-generic
+npm ERR! argv "/opt/node/bin/node" "/opt/node/bin/npm" "run" "dvelop"
+npm ERR! node v4.4.7
+npm ERR! npm  v2.15.8
+
+npm ERR! missing script: {}
+npm ERR!
+npm ERR! If you need help, you may report this error at:
+npm ERR!     <https://github.com/npm/npm/issues>
+
+npm ERR! Please include the following file with any support request:
+npm ERR!     /home/nvbn/exp/code_view/client_web/npm-debug.log
+'''.format
+
+run_script_stdout = b'''
+Lifecycle scripts included in code-view-web:
+  test
+    jest
+
+available via `npm run-script`:
+  build
+    cp node_modules/ace-builds/src-min/ -a resources/ace/ && webpack --progress --colors -p --config ./webpack.production.config.js
+  develop
+    cp node_modules/ace-builds/src/ -a resources/ace/ && webpack-dev-server --progress --colors
+  watch-test
+    jest --verbose --watch
+
+'''
+
+
+@pytest.fixture(autouse=True)
+def run_script(mocker):
+    patch = mocker.patch('thefuck.specific.npm.Popen')
+    patch.return_value.stdout = BytesIO(run_script_stdout)
+    return patch.return_value
+
+
+@pytest.mark.parametrize('command', [
+    Command('npm ru wach', stderr=stderr('wach')),
+    Command('npm run live-tes', stderr=stderr('live-tes')),
+    Command('npm run-script sahare', stderr=stderr('sahare'))])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('npm wach', stderr=stderr('wach')),
+    Command('vim live-tes', stderr=stderr('live-tes')),
+    Command('npm run-script sahare')])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('script, stderr, result', [
+    ('npm ru wach-tests', stderr('wach-tests'), 'npm ru watch-test'),
+    ('npm -i run-script dvelop', stderr('dvelop'),
+     'npm -i run-script develop'),
+    ('npm -i run-script buld -X POST', stderr('buld'),
+     'npm -i run-script build -X POST')])
+def test_get_new_command(script, stderr, result):
+    command = Command(script, stderr=stderr)
+
+    assert get_new_command(command)[0] == result

tests/rules/test_npm_run_script.py

@@ -0,0 +1,84 @@
+import pytest
+from io import BytesIO
+from thefuck.rules.npm_run_script import match, get_new_command
+from tests.utils import Command
+
+stdout = '''
+Usage: npm <command>
+
+where <command> is one of:
+    access, add-user, adduser, apihelp, author, bin, bugs, c,
+    cache, completion, config, ddp, dedupe, deprecate, dist-tag,
+    dist-tags, docs, edit, explore, faq, find, find-dupes, get,
+    help, help-search, home, i, info, init, install, issues, la,
+    link, list, ll, ln, login, logout, ls, outdated, owner,
+    pack, ping, prefix, prune, publish, r, rb, rebuild, remove,
+    repo, restart, rm, root, run-script, s, se, search, set,
+    show, shrinkwrap, star, stars, start, stop, t, tag, team,
+    test, tst, un, uninstall, unlink, unpublish, unstar, up,
+    update, upgrade, v, version, view, whoami
+
+npm <cmd> -h     quick help on <cmd>
+npm -l           display full usage info
+npm faq          commonly asked questions
+npm help <term>  search for help on <term>
+npm help npm     involved overview
+
+Specify configs in the ini-formatted file:
+    /home/nvbn/.npmrc
+or on the command line via: npm <command> --key value
+Config info can be viewed via: npm help config
+
+'''
+
+run_script_stdout = b'''
+Lifecycle scripts included in code-view-web:
+  test
+    jest
+
+available via `npm run-script`:
+  build
+    cp node_modules/ace-builds/src-min/ -a resources/ace/ && webpack --progress --colors -p --config ./webpack.production.config.js
+  develop
+    cp node_modules/ace-builds/src/ -a resources/ace/ && webpack-dev-server --progress --colors
+  watch-test
+    jest --verbose --watch
+
+'''
+
+
+@pytest.fixture(autouse=True)
+def run_script(mocker):
+    patch = mocker.patch('thefuck.specific.npm.Popen')
+    patch.return_value.stdout = BytesIO(run_script_stdout)
+    return patch.return_value
+
+
+@pytest.mark.usefixtures('no_memoize')
+@pytest.mark.parametrize('script', [
+    'npm watch-test', 'npm develop'])
+def test_match(script):
+    command = Command(script, stdout)
+    assert match(command)
+
+
+@pytest.mark.usefixtures('no_memoize')
+@pytest.mark.parametrize('command, run_script_out', [
+    (Command('npm test', 'TEST FAIL'), run_script_stdout),
+    (Command('npm watch-test', 'TEST FAIL'), run_script_stdout),
+    (Command('npm test', stdout), run_script_stdout),
+    (Command('vim watch-test', stdout), run_script_stdout)])
+def test_not_match(run_script, command, run_script_out):
+    run_script.stdout = BytesIO(run_script_out)
+    assert not match(command)
+
+
+@pytest.mark.usefixtures('no_memoize')
+@pytest.mark.parametrize('script, result', [
+    ('npm watch-test', 'npm run-script watch-test'),
+    ('npm -i develop', 'npm run-script -i develop'),
+    ('npm -i watch-script --path ..',
+     'npm run-script -i watch-script --path ..')])
+def test_get_new_command(script, result):
+    command = Command(script, stdout)
+    assert get_new_command(command) == result

tests/rules/test_npm_wrong_command.py

@@ -0,0 +1,58 @@
+import pytest
+from thefuck.rules.npm_wrong_command import match, get_new_command
+from tests.utils import Command
+
+stdout = '''
+Usage: npm <command>
+
+where <command> is one of:
+    access, add-user, adduser, apihelp, author, bin, bugs, c,
+    cache, completion, config, ddp, dedupe, deprecate, dist-tag,
+    dist-tags, docs, edit, explore, faq, find, find-dupes, get,
+    help, help-search, home, i, info, init, install, issues, la,
+    link, list, ll, ln, login, logout, ls, outdated, owner,
+    pack, ping, prefix, prune, publish, r, rb, rebuild, remove,
+    repo, restart, rm, root, run-script, s, se, search, set,
+    show, shrinkwrap, star, stars, start, stop, t, tag, team,
+    test, tst, un, uninstall, unlink, unpublish, unstar, up,
+    update, upgrade, v, verison, version, view, whoami
+
+npm <cmd> -h     quick help on <cmd>
+npm -l           display full usage info
+npm faq          commonly asked questions
+npm help <term>  search for help on <term>
+npm help npm     involved overview
+
+Specify configs in the ini-formatted file:
+    /home/nvbn/.npmrc
+or on the command line via: npm <command> --key value
+Config info can be viewed via: npm help config
+
+npm@2.14.7 /opt/node/lib/node_modules/npm
+'''
+
+
+@pytest.mark.parametrize('script', [
+    'npm urgrdae',
+    'npm urgrade -g',
+    'npm -f urgrade -g',
+    'npm urg'])
+def test_match(script):
+    assert match(Command(script, stdout))
+
+
+@pytest.mark.parametrize('script, stdout', [
+    ('npm urgrade', ''),
+    ('npm', stdout),
+    ('test urgrade', stdout),
+    ('npm -e', stdout)])
+def test_not_match(script, stdout):
+    assert not match(Command(script, stdout))
+
+
+@pytest.mark.parametrize('script, result', [
+    ('npm urgrade', 'npm upgrade'),
+    ('npm -g isntall gulp', 'npm -g install gulp'),
+    ('npm isntall -g gulp', 'npm install -g gulp')])
+def test_get_new_command(script, result):
+    assert get_new_command(Command(script, stdout)) == result

tests/rules/test_open.py

@@ -1,31 +1,49 @@
 import pytest
-from thefuck.rules.open import match, get_new_command
+from thefuck.rules.open import is_arg_url, match, get_new_command
 from tests.utils import Command
 
 
-@pytest.mark.parametrize('command', [
-    Command(script='open foo.com'),
-    Command(script='open foo.ly'),
-    Command(script='open foo.org'),
-    Command(script='open foo.net'),
-    Command(script='open foo.se'),
-    Command(script='open foo.io'),
-    Command(script='xdg-open foo.com'),
-    Command(script='gnome-open foo.com'),
-    Command(script='kde-open foo.com')])
-def test_match(command):
-    assert match(command)
+@pytest.fixture
+def stderr(script):
+    return 'The file {} does not exist.\n'.format(script.split(' ', 1)[1])
 
 
-@pytest.mark.parametrize('command, new_command', [
-    (Command('open foo.com'), 'open http://foo.com'),
-    (Command('open foo.ly'), 'open http://foo.ly'),
-    (Command('open foo.org'), 'open http://foo.org'),
-    (Command('open foo.net'), 'open http://foo.net'),
-    (Command('open foo.se'), 'open http://foo.se'),
-    (Command('open foo.io'), 'open http://foo.io'),
-    (Command('xdg-open foo.io'), 'xdg-open http://foo.io'),
-    (Command('gnome-open foo.io'), 'gnome-open http://foo.io'),
-    (Command('kde-open foo.io'), 'kde-open http://foo.io')])
-def test_get_new_command(command, new_command):
-    assert get_new_command(command) == new_command
+@pytest.mark.parametrize('script', [
+    'open foo.com',
+    'open foo.edu',
+    'open foo.info',
+    'open foo.io',
+    'open foo.ly',
+    'open foo.me',
+    'open foo.net',
+    'open foo.org',
+    'open foo.se',
+    'open www.foo.ru'])
+def test_is_arg_url(script):
+    assert is_arg_url(Command(script))
+
+
+@pytest.mark.parametrize('script', ['open foo', 'open bar.txt', 'open egg.doc'])
+def test_not_is_arg_url(script):
+    assert not is_arg_url(Command(script))
+
+
+@pytest.mark.parametrize('script', [
+    'open foo.com',
+    'xdg-open foo.com',
+    'gnome-open foo.com',
+    'kde-open foo.com',
+    'open nonest'])
+def test_match(script, stderr):
+    assert match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, new_command', [
+    ('open foo.io', ['open http://foo.io']),
+    ('xdg-open foo.io', ['xdg-open http://foo.io']),
+    ('gnome-open foo.io', ['gnome-open http://foo.io']),
+    ('kde-open foo.io', ['kde-open http://foo.io']),
+    ('open nonest', ['touch nonest && open nonest',
+                     'mkdir nonest && open nonest'])])
+def test_get_new_command(script, new_command, stderr):
+    assert get_new_command(Command(script, stderr=stderr)) == new_command

tests/rules/test_path_from_history.py

@@ -0,0 +1,43 @@
+import pytest
+from thefuck.rules.path_from_history import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture(autouse=True)
+def history(mocker):
+    return mocker.patch(
+        'thefuck.rules.path_from_history.get_valid_history_without_current',
+        return_value=['cd /opt/java', 'ls ~/work/project/'])
+
+
+@pytest.fixture(autouse=True)
+def path_exists(mocker):
+    path_mock = mocker.patch('thefuck.rules.path_from_history.Path')
+    exists_mock = path_mock.return_value.expanduser.return_value.exists
+    exists_mock.return_value = True
+    return exists_mock
+
+
+@pytest.mark.parametrize('script, stderr', [
+    ('ls project', 'no such file or directory: project'),
+    ('cd project', "can't cd to project"),
+])
+def test_match(script, stderr):
+    assert match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, stderr', [
+    ('myapp cats', 'no such file or directory: project'),
+    ('cd project', ""),
+])
+def test_not_match(script, stderr):
+    assert not match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, stderr, result', [
+    ('ls project', 'no such file or directory: project', 'ls ~/work/project'),
+    ('cd java', "can't cd to java", 'cd /opt/java'),
+])
+def test_get_new_command(script, stderr, result):
+    new_command = get_new_command(Command(script, stderr=stderr))
+    assert new_command[0] == result

tests/rules/test_port_already_in_use.py

@@ -0,0 +1,101 @@
+from io import BytesIO
+
+import pytest
+from thefuck.rules.port_already_in_use import match, get_new_command
+from tests.utils import Command
+
+outputs = [
+    '''
+
+DE 70% 1/1 build modulesevents.js:141
+      throw er; // Unhandled 'error' event
+      ^
+
+Error: listen EADDRINUSE 127.0.0.1:8080
+    at Object.exports._errnoException (util.js:873:11)
+    at exports._exceptionWithHostPort (util.js:896:20)
+    at Server._listen2 (net.js:1250:14)
+    at listen (net.js:1286:10)
+    at net.js:1395:9
+    at GetAddrInfoReqWrap.asyncCallback [as callback] (dns.js:64:16)
+    at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:83:10)
+
+    ''',
+    '''
+[6:40:01 AM] <START> Building Dependency Graph
+[6:40:01 AM] <START> Crawling File System
+ ERROR  Packager can't listen on port 8080
+Most likely another process is already using this port
+Run the following command to find out which process:
+
+   lsof -n -i4TCP:8080
+
+You can either shut down the other process:
+
+   kill -9 <PID>
+
+or run packager on different port.
+
+    ''',
+    '''
+Traceback (most recent call last):
+  File "/usr/lib/python3.5/runpy.py", line 184, in _run_module_as_main
+    "__main__", mod_spec)
+  File "/usr/lib/python3.5/runpy.py", line 85, in _run_code
+    exec(code, run_globals)
+  File "/home/nvbn/exp/code_view/server/code_view/main.py", line 14, in <module>
+    web.run_app(app)
+  File "/home/nvbn/.virtualenvs/code_view/lib/python3.5/site-packages/aiohttp/web.py", line 310, in run_app
+    backlog=backlog))
+  File "/usr/lib/python3.5/asyncio/base_events.py", line 373, in run_until_complete
+    return future.result()
+  File "/usr/lib/python3.5/asyncio/futures.py", line 274, in result
+    raise self._exception
+  File "/usr/lib/python3.5/asyncio/tasks.py", line 240, in _step
+    result = coro.send(None)
+  File "/usr/lib/python3.5/asyncio/base_events.py", line 953, in create_server
+    % (sa, err.strerror.lower()))
+OSError: [Errno 98] error while attempting to bind on address ('0.0.0.0', 8080): address already in use
+Task was destroyed but it is pending!
+task: <Task pending coro=<RedisProtocol._reader_coroutine() running at /home/nvbn/.virtualenvs/code_view/lib/python3.5/site-packages/asyncio_redis/protocol.py:921> wait_for=<Future pending cb=[Task._wakeup()]>>
+    '''
+]
+
+lsof_stdout = b'''COMMAND   PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
+node    18233 nvbn   16u  IPv4 557134      0t0  TCP localhost:http-alt (LISTEN)
+'''
+
+
+@pytest.fixture(autouse=True)
+def lsof(mocker):
+    patch = mocker.patch('thefuck.rules.port_already_in_use.Popen')
+    patch.return_value.stdout = BytesIO(lsof_stdout)
+    return patch
+
+
+@pytest.mark.usefixtures('no_memoize')
+@pytest.mark.parametrize(
+    'command',
+    [Command('./app', stdout=output) for output in outputs]
+    + [Command('./app', stderr=output) for output in outputs])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.usefixtures('no_memoize')
+@pytest.mark.parametrize('command, lsof_output', [
+    (Command('./app'), lsof_stdout),
+    (Command('./app', stdout=outputs[1]), b''),
+    (Command('./app', stderr=outputs[2]), b'')])
+def test_not_match(lsof, command, lsof_output):
+    lsof.return_value.stdout = BytesIO(lsof_output)
+
+    assert not match(command)
+
+
+@pytest.mark.parametrize(
+    'command',
+    [Command('./app', stdout=output) for output in outputs]
+    + [Command('./app', stderr=output) for output in outputs])
+def test_get_new_command(command):
+    assert get_new_command(command) == 'kill 18233 && ./app'

tests/rules/test_python_command.py

@@ -8,5 +8,5 @@ def test_match():
 
 
 def test_get_new_command():
-    assert get_new_command(Command('./test_sudo.py'))\
-           == 'python ./test_sudo.py'
+    assert (get_new_command(Command('./test_sudo.py'))
+            == 'python ./test_sudo.py')

tests/rules/test_react_native_command_unrecognized.py

@@ -0,0 +1,46 @@
+import pytest
+from thefuck.rules.react_native_command_unrecognized import match, \
+    get_new_command
+from tests.utils import Command
+
+stderr = 'Command `{}` unrecognized'.format
+
+stdout = '''
+Usage: react-native <command>
+
+Commands:
+  - start: starts the webserver
+  - bundle: builds the javascript bundle for offline use
+  - unbundle: builds javascript as "unbundle" for offline use
+  - new-library: generates a native library bridge
+  - android: generates an Android project for your app
+  - run-android: builds your app and starts it on a connected Android emulator or device
+  - log-android: print Android logs
+  - run-ios: builds your app and starts it on iOS simulator
+  - log-ios: print iOS logs
+  - upgrade: upgrade your app's template files to the latest version; run this after updating the react-native version in your package.json and running npm install
+  - link: link a library
+'''
+
+
+@pytest.mark.parametrize('command', [
+    Command('react-native star', stderr=stderr('star')),
+    Command('react-native android-logs', stderr=stderr('android-logs'))])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('gradle star', stderr=stderr('star')),
+    Command('react-native start')])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('command, result', [
+    (Command('react-native star', stdout, stderr('star')),
+     'react-native start'),
+    (Command('react-native logsandroid -f', stdout, stderr('logsandroid')),
+     'react-native log-android -f')])
+def test_get_new_command(command, result):
+    assert get_new_command(command)[0] == result

tests/rules/test_remove_trailing_cedilla.py

@@ -0,0 +1,17 @@
+import pytest
+from thefuck.rules.remove_trailing_cedilla import match, get_new_command, CEDILLA
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='wrong' + CEDILLA),
+    Command(script='wrong with args' + CEDILLA)])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('wrong' + CEDILLA), 'wrong'),
+    (Command('wrong with args' + CEDILLA), 'wrong with args')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command) == new_command

tests/rules/test_rm_root.py

@@ -17,5 +17,5 @@ def test_not_match(command):
 
 
 def test_get_new_command():
-    assert get_new_command(Command(script='rm -rf /')) \
-           == 'rm -rf / --no-preserve-root'
+    assert (get_new_command(Command(script='rm -rf /'))
+            == 'rm -rf / --no-preserve-root')

tests/rules/test_scm_correction.py

@@ -0,0 +1,46 @@
+import pytest
+from thefuck.rules.scm_correction import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def get_actual_scm_mock(mocker):
+    return mocker.patch('thefuck.rules.scm_correction._get_actual_scm',
+                        return_value=None)
+
+
+@pytest.mark.parametrize('script, stderr, actual_scm', [
+    ('git log', 'fatal: Not a git repository '
+                '(or any of the parent directories): .git',
+     'hg'),
+    ('hg log', "abort: no repository found in '/home/nvbn/exp/thefuck' "
+               "(.hg not found)!",
+     'git')])
+def test_match(get_actual_scm_mock, script, stderr, actual_scm):
+    get_actual_scm_mock.return_value = actual_scm
+    assert match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, stderr, actual_scm', [
+    ('git log', '', 'hg'),
+    ('git log', 'fatal: Not a git repository '
+                '(or any of the parent directories): .git',
+     None),
+    ('hg log', "abort: no repository found in '/home/nvbn/exp/thefuck' "
+               "(.hg not found)!",
+     None),
+    ('not-scm log', "abort: no repository found in '/home/nvbn/exp/thefuck' "
+                    "(.hg not found)!",
+     'git')])
+def test_not_match(get_actual_scm_mock, script, stderr, actual_scm):
+    get_actual_scm_mock.return_value = actual_scm
+    assert not match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, actual_scm, result', [
+    ('git log', 'hg', 'hg log'),
+    ('hg log', 'git', 'git log')])
+def test_get_new_command(get_actual_scm_mock, script, actual_scm, result):
+    get_actual_scm_mock.return_value = actual_scm
+    new_command = get_new_command(Command(script))
+    assert new_command == result

tests/rules/test_sed_unterminated_s.py

@@ -18,11 +18,11 @@ def test_match(sed_unterminated_s):
 
 
 def test_get_new_command(sed_unterminated_s):
-    assert get_new_command(Command('sed -e s/foo/bar', stderr=sed_unterminated_s)) \
-            == 'sed -e s/foo/bar/'
-    assert get_new_command(Command('sed -es/foo/bar', stderr=sed_unterminated_s)) \
-            == 'sed -es/foo/bar/'
-    assert get_new_command(Command(r"sed -e 's/\/foo/bar'", stderr=sed_unterminated_s)) \
-            == r"sed -e 's/\/foo/bar/'"
-    assert get_new_command(Command(r"sed -e s/foo/bar -es/baz/quz", stderr=sed_unterminated_s)) \
-            == r"sed -e s/foo/bar/ -es/baz/quz/"
+    assert (get_new_command(Command('sed -e s/foo/bar', stderr=sed_unterminated_s))
+            == 'sed -e s/foo/bar/')
+    assert (get_new_command(Command('sed -es/foo/bar', stderr=sed_unterminated_s))
+            == 'sed -es/foo/bar/')
+    assert (get_new_command(Command(r"sed -e 's/\/foo/bar'", stderr=sed_unterminated_s))
+            == r"sed -e 's/\/foo/bar/'")
+    assert (get_new_command(Command(r"sed -e s/foo/bar -es/baz/quz", stderr=sed_unterminated_s))
+            == r"sed -e s/foo/bar/ -es/baz/quz/")

tests/rules/test_ssh_known_host.py

@@ -52,6 +52,7 @@ def test_match(ssh_error):
     assert not match(Command('ssh'))
 
 
+@pytest.mark.skipif(os.name == 'nt', reason='Skip if testing on Windows')
 def test_side_effect(ssh_error):
     errormsg, path, reset, known_hosts = ssh_error
     command = Command('ssh user@host', stderr=errormsg)

tests/rules/test_sudo_command_from_user_path.py

@@ -0,0 +1,39 @@
+import pytest
+from thefuck.rules.sudo_command_from_user_path import match, get_new_command
+from tests.utils import Command
+
+
+stderr = 'sudo: {}: command not found'
+
+
+@pytest.fixture(autouse=True)
+def which(mocker):
+    return mocker.patch('thefuck.rules.sudo_command_from_user_path.which',
+                        return_value='/usr/bin/app')
+
+
+@pytest.mark.parametrize('script, stderr', [
+    ('sudo npm install -g react-native-cli', stderr.format('npm')),
+    ('sudo -u app appcfg update .', stderr.format('appcfg'))])
+def test_match(script, stderr):
+    assert match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, stderr, which_result', [
+    ('npm --version', stderr.format('npm'), '/usr/bin/npm'),
+    ('sudo npm --version', '', '/usr/bin/npm'),
+    ('sudo npm --version', stderr.format('npm'), None)])
+def test_not_match(which, script, stderr, which_result):
+    which.return_value = which_result
+    assert not match(Command(script, stderr=stderr))
+
+
+@pytest.mark.parametrize('script, stderr, result', [
+    ('sudo npm install -g react-native-cli',
+     stderr.format('npm'),
+     'sudo env "PATH=$PATH" npm install -g react-native-cli'),
+    ('sudo -u app appcfg update .',
+     stderr.format('appcfg'),
+     'sudo -u app env "PATH=$PATH" appcfg update .')])
+def test_get_new_command(script, stderr, result):
+    assert get_new_command(Command(script, stderr=stderr)) == result

tests/rules/test_unknown_command.py

@@ -23,12 +23,12 @@ def test_not_match(command):
 
 @pytest.mark.parametrize('command, new_command', [
     (Command('hdfs dfs ls',
-        stderr='ls: Unknown command\nDid you mean -ls?  This command begins with a dash.'), ['hdfs dfs -ls']),
+             stderr='ls: Unknown command\nDid you mean -ls?  This command begins with a dash.'), ['hdfs dfs -ls']),
     (Command('hdfs dfs rm /foo/bar',
-        stderr='rm: Unknown command\nDid you mean -rm?  This command begins with a dash.'), ['hdfs dfs -rm /foo/bar']),
+             stderr='rm: Unknown command\nDid you mean -rm?  This command begins with a dash.'), ['hdfs dfs -rm /foo/bar']),
     (Command('./bin/hdfs dfs ls -R /foo/bar',
-        stderr='ls: Unknown command\nDid you mean -ls?  This command begins with a dash.'), ['./bin/hdfs dfs -ls -R /foo/bar']),
+             stderr='ls: Unknown command\nDid you mean -ls?  This command begins with a dash.'), ['./bin/hdfs dfs -ls -R /foo/bar']),
     (Command('./bin/hdfs dfs -Dtest=fred ls -R /foo/bar',
-        stderr='ls: Unknown command\nDid you mean -ls?  This command begins with a dash.'), ['./bin/hdfs dfs -Dtest=fred -ls -R /foo/bar'])])
+             stderr='ls: Unknown command\nDid you mean -ls?  This command begins with a dash.'), ['./bin/hdfs dfs -Dtest=fred -ls -R /foo/bar'])])
 def test_get_new_command(command, new_command):
     assert get_new_command(command) == new_command

tests/rules/test_vagrant_up.py

@@ -27,8 +27,8 @@ def test_not_match(command):
     (Command(script='vagrant ssh', stderr='VM must be running to open SSH connection. Run `vagrant up`\nto start the virtual machine.'), 'vagrant up && vagrant ssh'),
     (Command(script='vagrant ssh devbox', stderr='VM must be running to open SSH connection. Run `vagrant up`\nto start the virtual machine.'), ['vagrant up devbox && vagrant ssh devbox', 'vagrant up && vagrant ssh devbox']),
     (Command(script='vagrant rdp',
-            stderr='VM must be created before running this command. Run `vagrant up` first.'), 'vagrant up && vagrant rdp'),
+             stderr='VM must be created before running this command. Run `vagrant up` first.'), 'vagrant up && vagrant rdp'),
     (Command(script='vagrant rdp devbox',
-            stderr='VM must be created before running this command. Run `vagrant up` first.'), ['vagrant up devbox && vagrant rdp devbox', 'vagrant up && vagrant rdp devbox'])])
+             stderr='VM must be created before running this command. Run `vagrant up` first.'), ['vagrant up devbox && vagrant rdp devbox', 'vagrant up && vagrant rdp devbox'])])
 def test_get_new_command(command, new_command):
     assert get_new_command(command) == new_command

tests/rules/test_workon_doesnt_exists.py

@@ -0,0 +1,30 @@
+import pytest
+from thefuck.rules.workon_doesnt_exists import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture(autouse=True)
+def envs(mocker):
+    return mocker.patch(
+        'thefuck.rules.workon_doesnt_exists._get_all_environments',
+        return_value=['thefuck', 'code_view'])
+
+
+@pytest.mark.parametrize('script', [
+    'workon tehfuck', 'workon code-view', 'workon new-env'])
+def test_match(script):
+    assert match(Command(script))
+
+
+@pytest.mark.parametrize('script', [
+    'workon thefuck', 'workon code_view', 'work on tehfuck'])
+def test_not_match(script):
+    assert not match(Command(script))
+
+
+@pytest.mark.parametrize('script, result', [
+    ('workon tehfuck', 'workon thefuck'),
+    ('workon code-view', 'workon code_view'),
+    ('workon zzzz', 'mkvirtualenv zzzz')])
+def test_get_new_command(script, result):
+    assert get_new_command(Command(script))[0] == result

tests/rules/test_yarn_alias.py

@@ -0,0 +1,22 @@
+import pytest
+from thefuck.rules.yarn_alias import match, get_new_command
+from tests.utils import Command
+
+
+stderr_remove = 'error Did you mean `yarn remove`?'
+
+stderr_list = 'error Did you mean `yarn list`?'
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='yarn rm', stderr=stderr_remove),
+    Command(script='yarn ls', stderr=stderr_list)])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('yarn rm', stderr=stderr_remove), 'yarn remove'),
+    (Command('yarn ls', stderr=stderr_list), 'yarn list')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command) == new_command

tests/rules/test_yarn_command_not_found.py

@@ -0,0 +1,111 @@
+# -*- encoding: utf-8 -*-
+
+from io import BytesIO
+import pytest
+from tests.utils import Command
+from thefuck.rules.yarn_command_not_found import match, get_new_command
+
+stderr = '''
+error Command "{}" not found.
+'''.format
+
+yarn_help_stdout = b'''
+
+  Usage: yarn [command] [flags]
+
+  Options:
+
+    -h, --help                      output usage information
+    -V, --version                   output the version number
+    --verbose                       output verbose messages on internal operations
+    --offline                       trigger an error if any required dependencies are not available in local cache
+    --prefer-offline                use network only if dependencies are not available in local cache
+    --strict-semver                 
+    --json                          
+    --ignore-scripts                don't run lifecycle scripts
+    --har                           save HAR output of network traffic
+    --ignore-platform               ignore platform checks
+    --ignore-engines                ignore engines check
+    --ignore-optional               ignore optional dependencies
+    --force                         ignore all caches
+    --no-bin-links                  don't generate bin links when setting up packages
+    --flat                          only allow one version of a package
+    --prod, --production [prod]     
+    --no-lockfile                   don't read or generate a lockfile
+    --pure-lockfile                 don't generate a lockfile
+    --frozen-lockfile               don't generate a lockfile and fail if an update is needed
+    --link-duplicates               create hardlinks to the repeated modules in node_modules
+    --global-folder <path>          
+    --modules-folder <path>         rather than installing modules into the node_modules folder relative to the cwd, output them here
+    --cache-folder <path>           specify a custom folder to store the yarn cache
+    --mutex <type>[:specifier]      use a mutex to ensure only one yarn instance is executing
+    --no-emoji                      disable emoji in output
+    --proxy <host>                  
+    --https-proxy <host>            
+    --no-progress                   disable progress bar
+    --network-concurrency <number>  maximum number of concurrent network requests
+
+  Commands:
+
+    - access
+    - add
+    - bin
+    - cache
+    - check
+    - clean
+    - config
+    - generate-lock-entry
+    - global
+    - import
+    - info
+    - init
+    - install
+    - licenses
+    - link
+    - list
+    - login
+    - logout
+    - outdated
+    - owner
+    - pack
+    - publish
+    - remove
+    - run
+    - tag
+    - team
+    - unlink
+    - upgrade
+    - upgrade-interactive
+    - version
+    - versions
+    - why
+
+  Run `yarn help COMMAND` for more information on specific commands.
+  Visit https://yarnpkg.com/en/docs/cli/ to learn more about Yarn.
+''' # noqa
+
+
+@pytest.fixture(autouse=True)
+def yarn_help(mocker):
+    patch = mocker.patch('thefuck.rules.yarn_command_not_found.Popen')
+    patch.return_value.stdout = BytesIO(yarn_help_stdout)
+    return patch
+
+
+@pytest.mark.parametrize('command', [
+    Command('yarn whyy webpack', stderr=stderr('whyy'))])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('npm nuild', stderr=stderr('nuild')),
+    Command('yarn install')])
+def test_not_match(command):
+    assert not match(command)
+
+
+@pytest.mark.parametrize('command, result', [
+    (Command('yarn whyy webpack', stderr=stderr('whyy')), 'yarn why webpack')])
+def test_get_new_command(command, result):
+    assert get_new_command(command)[0] == result

tests/rules/test_yarn_help.py

@@ -0,0 +1,57 @@
+import pytest
+from thefuck.rules.yarn_help import match, get_new_command
+from tests.utils import Command
+from thefuck.system import open_command
+
+
+stdout_clean = '''
+
+  Usage: yarn [command] [flags]
+
+  Options:
+
+    -h, --help                      output usage information
+    -V, --version                   output the version number
+    --verbose                       output verbose messages on internal operations
+    --offline                       trigger an error if any required dependencies are not available in local cache
+    --prefer-offline                use network only if dependencies are not available in local cache
+    --strict-semver                 
+    --json                          
+    --ignore-scripts                don't run lifecycle scripts
+    --har                           save HAR output of network traffic
+    --ignore-platform               ignore platform checks
+    --ignore-engines                ignore engines check
+    --ignore-optional               ignore optional dependencies
+    --force                         ignore all caches
+    --no-bin-links                  don't generate bin links when setting up packages
+    --flat                          only allow one version of a package
+    --prod, --production [prod]     
+    --no-lockfile                   don't read or generate a lockfile
+    --pure-lockfile                 don't generate a lockfile
+    --frozen-lockfile               don't generate a lockfile and fail if an update is needed
+    --link-duplicates               create hardlinks to the repeated modules in node_modules
+    --global-folder <path>          
+    --modules-folder <path>         rather than installing modules into the node_modules folder relative to the cwd, output them here
+    --cache-folder <path>           specify a custom folder to store the yarn cache
+    --mutex <type>[:specifier]      use a mutex to ensure only one yarn instance is executing
+    --no-emoji                      disable emoji in output
+    --proxy <host>                  
+    --https-proxy <host>            
+    --no-progress                   disable progress bar
+    --network-concurrency <number>  maximum number of concurrent network requests
+
+  Visit https://yarnpkg.com/en/docs/cli/clean for documentation about this command.
+'''  # noqa
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='yarn help clean', stdout=stdout_clean)])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('yarn help clean', stdout=stdout_clean),
+     open_command('https://yarnpkg.com/en/docs/cli/clean'))])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command) == new_command

tests/shells/conftest.py

@@ -0,0 +1,30 @@
+import pytest
+
+
+@pytest.fixture
+def builtins_open(mocker):
+    return mocker.patch('six.moves.builtins.open')
+
+
+@pytest.fixture
+def isfile(mocker):
+    return mocker.patch('os.path.isfile', return_value=True)
+
+
+@pytest.fixture
+@pytest.mark.usefixtures('isfile')
+def history_lines(mocker):
+    def aux(lines):
+        mock = mocker.patch('io.open')
+        mock.return_value.__enter__ \
+            .return_value.readlines.return_value = lines
+
+    return aux
+
+
+@pytest.fixture
+def config_exists(mocker):
+    path_mock = mocker.patch('thefuck.shells.generic.Path')
+    return path_mock.return_value \
+        .expanduser.return_value \
+        .exists

tests/shells/test_bash.py

@@ -0,0 +1,72 @@
+# -*- coding: utf-8 -*-
+
+import os
+import pytest
+from thefuck.shells import Bash
+
+
+@pytest.mark.usefixtures('isfile', 'no_memoize', 'no_cache')
+class TestBash(object):
+    @pytest.fixture
+    def shell(self):
+        return Bash()
+
+    @pytest.fixture(autouse=True)
+    def shell_aliases(self):
+        os.environ['TF_SHELL_ALIASES'] = (
+            'alias fuck=\'eval $(thefuck $(fc -ln -1))\'\n'
+            'alias l=\'ls -CF\'\n'
+            'alias la=\'ls -A\'\n'
+            'alias ll=\'ls -alF\'')
+
+    @pytest.mark.parametrize('before, after', [
+        ('pwd', 'pwd'),
+        ('fuck', 'eval $(thefuck $(fc -ln -1))'),
+        ('awk', 'awk'),
+        ('ll', 'ls -alF')])
+    def test_from_shell(self, before, after, shell):
+        assert shell.from_shell(before) == after
+
+    def test_to_shell(self, shell):
+        assert shell.to_shell('pwd') == 'pwd'
+
+    def test_and_(self, shell):
+        assert shell.and_('ls', 'cd') == 'ls && cd'
+
+    def test_get_aliases(self, shell):
+        assert shell.get_aliases() == {'fuck': 'eval $(thefuck $(fc -ln -1))',
+                                       'l': 'ls -CF',
+                                       'la': 'ls -A',
+                                       'll': 'ls -alF'}
+
+    def test_app_alias(self, shell):
+        assert 'alias fuck' in shell.app_alias('fuck')
+        assert 'alias FUCK' in shell.app_alias('FUCK')
+        assert 'thefuck' in shell.app_alias('fuck')
+        assert 'TF_ALIAS=fuck' in shell.app_alias('fuck')
+        assert 'PYTHONIOENCODING=utf-8' in shell.app_alias('fuck')
+
+    def test_app_alias_variables_correctly_set(self, shell):
+        alias = shell.app_alias('fuck')
+        assert "alias fuck='TF_CMD=$(TF_ALIAS" in alias
+        assert '$(TF_ALIAS=fuck PYTHONIOENCODING' in alias
+        assert 'PYTHONIOENCODING=utf-8 TF_SHELL_ALIASES' in alias
+        assert 'ALIASES=$(alias) thefuck' in alias
+
+    def test_get_history(self, history_lines, shell):
+        history_lines(['ls', 'rm'])
+        assert list(shell.get_history()) == ['ls', 'rm']
+
+    def test_split_command(self, shell):
+        command = 'git log -p'
+        command_parts = ['git', 'log', '-p']
+        assert shell.split_command(command) == command_parts
+
+    def test_how_to_configure(self, shell, config_exists):
+        config_exists.return_value = True
+        assert shell.how_to_configure().can_configure_automatically
+
+    def test_how_to_configure_when_config_not_found(self, shell,
+                                                    config_exists):
+        config_exists.return_value = False
+        assert not shell.how_to_configure().can_configure_automatically

tests/shells/test_fish.py

@@ -0,0 +1,106 @@
+# -*- coding: utf-8 -*-
+
+import pytest
+from thefuck.shells import Fish
+
+
+@pytest.mark.usefixtures('isfile', 'no_memoize', 'no_cache')
+class TestFish(object):
+    @pytest.fixture
+    def shell(self):
+        return Fish()
+
+    @pytest.fixture(autouse=True)
+    def Popen(self, mocker):
+        mock = mocker.patch('thefuck.shells.fish.Popen')
+        mock.return_value.stdout.read.return_value = (
+            b'cd\nfish_config\nfuck\nfunced\nfuncsave\ngrep\nhistory\nll\nls\n'
+            b'man\nmath\npopd\npushd\nruby')
+        return mock
+
+    @pytest.fixture
+    def os_environ(self, monkeypatch, key, value):
+        monkeypatch.setattr('os.environ', {key: value})
+
+    @pytest.mark.parametrize('key, value', [
+        ('TF_OVERRIDDEN_ALIASES', 'cut,git,sed'),  # legacy
+        ('THEFUCK_OVERRIDDEN_ALIASES', 'cut,git,sed'),
+        ('THEFUCK_OVERRIDDEN_ALIASES', 'cut, git, sed'),
+        ('THEFUCK_OVERRIDDEN_ALIASES', ' cut,\tgit,sed\n'),
+        ('THEFUCK_OVERRIDDEN_ALIASES', '\ncut,\n\ngit,\tsed\r')])
+    def test_get_overridden_aliases(self, shell, os_environ):
+        assert shell._get_overridden_aliases() == {'cd', 'cut', 'git', 'grep',
+                                                   'ls', 'man', 'open', 'sed'}
+
+    @pytest.mark.parametrize('before, after', [
+        ('cd', 'cd'),
+        ('pwd', 'pwd'),
+        ('fuck', 'fish -ic "fuck"'),
+        ('find', 'find'),
+        ('funced', 'fish -ic "funced"'),
+        ('grep', 'grep'),
+        ('awk', 'awk'),
+        ('math "2 + 2"', r'fish -ic "math \"2 + 2\""'),
+        ('man', 'man'),
+        ('open', 'open'),
+        ('vim', 'vim'),
+        ('ll', 'fish -ic "ll"'),
+        ('ls', 'ls')])  # Fish has no aliases but functions
+    def test_from_shell(self, before, after, shell):
+        assert shell.from_shell(before) == after
+
+    def test_to_shell(self, shell):
+        assert shell.to_shell('pwd') == 'pwd'
+
+    def test_and_(self, shell):
+        assert shell.and_('foo', 'bar') == 'foo; and bar'
+
+    def test_get_aliases(self, shell):
+        assert shell.get_aliases() == {'fish_config': 'fish_config',
+                                       'fuck': 'fuck',
+                                       'funced': 'funced',
+                                       'funcsave': 'funcsave',
+                                       'history': 'history',
+                                       'll': 'll',
+                                       'math': 'math',
+                                       'popd': 'popd',
+                                       'pushd': 'pushd',
+                                       'ruby': 'ruby'}
+
+    def test_app_alias(self, shell):
+        assert 'function fuck' in shell.app_alias('fuck')
+        assert 'function FUCK' in shell.app_alias('FUCK')
+        assert 'thefuck' in shell.app_alias('fuck')
+        assert 'TF_ALIAS=fuck PYTHONIOENCODING' in shell.app_alias('fuck')
+        assert 'PYTHONIOENCODING=utf-8 thefuck' in shell.app_alias('fuck')
+
+    def test_app_alias_alter_history(self, settings, shell):
+        settings.alter_history = True
+        assert 'builtin history delete' in shell.app_alias('FUCK')
+        assert 'builtin history merge' in shell.app_alias('FUCK')
+        settings.alter_history = False
+        assert 'builtin history delete' not in shell.app_alias('FUCK')
+        assert 'builtin history merge' not in shell.app_alias('FUCK')
+
+    def test_get_history(self, history_lines, shell):
+        history_lines(['- cmd: ls', '  when: 1432613911',
+                       '- cmd: rm', '  when: 1432613916'])
+        assert list(shell.get_history()) == ['ls', 'rm']
+
+    @pytest.mark.parametrize('entry, entry_utf8', [
+        ('ls', '- cmd: ls\n   when: 1430707243\n'),
+        (u'echo café', '- cmd: echo café\n   when: 1430707243\n')])
+    def test_put_to_history(self, entry, entry_utf8, builtins_open, mocker, shell):
+        mocker.patch('thefuck.shells.fish.time', return_value=1430707243.3517463)
+        shell.put_to_history(entry)
+        builtins_open.return_value.__enter__.return_value. \
+            write.assert_called_once_with(entry_utf8)
+
+    def test_how_to_configure(self, shell, config_exists):
+        config_exists.return_value = True
+        assert shell.how_to_configure().can_configure_automatically
+
+    def test_how_to_configure_when_config_not_found(self, shell,
+                                                    config_exists):
+        config_exists.return_value = False
+        assert not shell.how_to_configure().can_configure_automatically

tests/shells/test_generic.py

@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+
+import pytest
+from thefuck.shells import Generic
+
+
+class TestGeneric(object):
+    @pytest.fixture
+    def shell(self):
+        return Generic()
+
+    def test_from_shell(self, shell):
+        assert shell.from_shell('pwd') == 'pwd'
+
+    def test_to_shell(self, shell):
+        assert shell.to_shell('pwd') == 'pwd'
+
+    def test_and_(self, shell):
+        assert shell.and_('ls', 'cd') == 'ls && cd'
+
+    def test_get_aliases(self, shell):
+        assert shell.get_aliases() == {}
+
+    def test_app_alias(self, shell):
+        assert 'alias fuck' in shell.app_alias('fuck')
+        assert 'alias FUCK' in shell.app_alias('FUCK')
+        assert 'thefuck' in shell.app_alias('fuck')
+        assert 'TF_ALIAS=fuck PYTHONIOENCODING' in shell.app_alias('fuck')
+        assert 'PYTHONIOENCODING=utf-8 thefuck' in shell.app_alias('fuck')
+
+    def test_get_history(self, history_lines, shell):
+        history_lines(['ls', 'rm'])
+        # We don't know what to do in generic shell with history lines,
+        # so just ignore them:
+        assert list(shell.get_history()) == []
+
+    def test_split_command(self, shell):
+        assert shell.split_command('ls') == ['ls']
+        assert shell.split_command(u'echo café') == [u'echo', u'café']
+
+    def test_how_to_configure(self, shell):
+        assert shell.how_to_configure() is None

tests/shells/test_powershell.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+
+import pytest
+from thefuck.shells import Powershell
+
+
+@pytest.mark.usefixtures('isfile', 'no_memoize', 'no_cache')
+class TestPowershell(object):
+    @pytest.fixture
+    def shell(self):
+        return Powershell()
+
+    def test_and_(self, shell):
+        assert shell.and_('ls', 'cd') == '(ls) -and (cd)'
+
+    def test_app_alias(self, shell):
+        assert 'function fuck' in shell.app_alias('fuck')
+        assert 'function FUCK' in shell.app_alias('FUCK')
+        assert 'thefuck' in shell.app_alias('fuck')
+
+    def test_how_to_configure(self, shell):
+        assert not shell.how_to_configure().can_configure_automatically

tests/shells/test_tcsh.py

@@ -0,0 +1,59 @@
+# -*- coding: utf-8 -*-
+
+import pytest
+from thefuck.shells.tcsh import Tcsh
+
+
+@pytest.mark.usefixtures('isfile', 'no_memoize', 'no_cache')
+class TestTcsh(object):
+    @pytest.fixture
+    def shell(self):
+        return Tcsh()
+
+    @pytest.fixture(autouse=True)
+    def Popen(self, mocker):
+        mock = mocker.patch('thefuck.shells.tcsh.Popen')
+        mock.return_value.stdout.read.return_value = (
+            b'fuck\teval $(thefuck $(fc -ln -1))\n'
+            b'l\tls -CF\n'
+            b'la\tls -A\n'
+            b'll\tls -alF')
+        return mock
+
+    @pytest.mark.parametrize('before, after', [
+        ('pwd', 'pwd'),
+        ('fuck', 'eval $(thefuck $(fc -ln -1))'),
+        ('awk', 'awk'),
+        ('ll', 'ls -alF')])
+    def test_from_shell(self, before, after, shell):
+        assert shell.from_shell(before) == after
+
+    def test_to_shell(self, shell):
+        assert shell.to_shell('pwd') == 'pwd'
+
+    def test_and_(self, shell):
+        assert shell.and_('ls', 'cd') == 'ls && cd'
+
+    def test_get_aliases(self, shell):
+        assert shell.get_aliases() == {'fuck': 'eval $(thefuck $(fc -ln -1))',
+                                       'l': 'ls -CF',
+                                       'la': 'ls -A',
+                                       'll': 'ls -alF'}
+
+    def test_app_alias(self, shell):
+        assert 'alias fuck' in shell.app_alias('fuck')
+        assert 'alias FUCK' in shell.app_alias('FUCK')
+        assert 'thefuck' in shell.app_alias('fuck')
+
+    def test_get_history(self, history_lines, shell):
+        history_lines(['ls', 'rm'])
+        assert list(shell.get_history()) == ['ls', 'rm']
+
+    def test_how_to_configure(self, shell, config_exists):
+        config_exists.return_value = True
+        assert shell.how_to_configure().can_configure_automatically
+
+    def test_how_to_configure_when_config_not_found(self, shell,
+                                                    config_exists):
+        config_exists.return_value = False
+        assert not shell.how_to_configure().can_configure_automatically