#N/A: Add npm_wrong_command rule

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+    link, list, ll, ln, login, logout, ls, outdated, owner,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