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thefuck/tests/test_utils.py
2015-07-10 17:58:41 +03:00

53 lines
1.5 KiB
Python

import pytest
from mock import Mock
from thefuck.utils import sudo_support, wrap_settings, memoize, get_closest
from thefuck.types import Settings
from tests.utils import Command
@pytest.mark.parametrize('override, old, new', [
({'key': 'val'}, {}, {'key': 'val'}),
({'key': 'new-val'}, {'key': 'val'}, {'key': 'new-val'})])
def test_wrap_settings(override, old, new):
fn = lambda _, settings: settings
assert wrap_settings(override)(fn)(None, Settings(old)) == new
@pytest.mark.parametrize('return_value, command, called, result', [
('ls -lah', 'sudo ls', 'ls', 'sudo ls -lah'),
('ls -lah', 'ls', 'ls', 'ls -lah'),
(True, 'sudo ls', 'ls', True),
(True, 'ls', 'ls', True),
(False, 'sudo ls', 'ls', False),
(False, 'ls', 'ls', False)])
def test_sudo_support(return_value, command, called, result):
fn = Mock(return_value=return_value, __name__='')
assert sudo_support(fn)(Command(command), None) == result
fn.assert_called_once_with(Command(called), None)
def test_memoize():
fn = Mock(__name__='fn')
memoized = memoize(fn)
memoized()
memoized()
fn.assert_called_once_with()
@pytest.mark.usefixtures('no_memoize')
def test_no_memoize():
fn = Mock(__name__='fn')
memoized = memoize(fn)
memoized()
memoized()
assert fn.call_count == 2
class TestGetClosest(object):
def test_when_can_match(self):
assert 'branch' == get_closest('brnch', ['branch', 'status'])
def test_when_cant_match(self):
assert 'status' == get_closest('st', ['status', 'reset'])