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# -*- coding: utf-8 -*-
import os
from subprocess import PIPE, STDOUT
from mock import Mock
import pytest
from tests.utils import CorrectedCommand, Rule
from thefuck import const
from thefuck.exceptions import EmptyCommand
from thefuck.system import Path
from thefuck.types import Command
class TestCorrectedCommand(object):
def test_equality(self):
assert (CorrectedCommand('ls', None, 100) ==
CorrectedCommand('ls', None, 200))
assert (CorrectedCommand('ls', None, 100) !=
CorrectedCommand('ls', lambda *_: _, 100))
def test_hashable(self):
assert {CorrectedCommand('ls', None, 100),
CorrectedCommand('ls', None, 200)} == {CorrectedCommand('ls')}
def test_representable(self):
assert '{}'.format(CorrectedCommand('ls', None, 100)) == \
'CorrectedCommand(script=ls, side_effect=None, priority=100)'
assert u'{}'.format(CorrectedCommand(u'echo café', None, 100)) == \
u'CorrectedCommand(script=echo café, side_effect=None, priority=100)'
@pytest.mark.parametrize('script, printed, override_settings', [
('git branch', 'git branch', {'repeat': False, 'debug': False}),
('git brunch',
"git brunch || fuck --repeat --force-command 'git brunch'",
{'repeat': True, 'debug': False}),
('git brunch',
"git brunch || fuck --repeat --debug --force-command 'git brunch'",
{'repeat': True, 'debug': True})])
def test_run(self, capsys, settings, script, printed, override_settings):
settings.update(override_settings)
CorrectedCommand(script, None, 1000).run(Command(script, ''))
out, _ = capsys.readouterr()
assert out == printed
class TestRule(object):
def test_from_path_rule_exception(self, mocker):
load_source = mocker.patch('thefuck.types.load_source',
side_effect=ImportError("No module named foo..."))
assert Rule.from_path(Path('git.py')) is None
load_source.assert_called_once_with('git', 'git.py')
def test_from_path(self, mocker):
match = object()
get_new_command = object()
load_source = mocker.patch(
'thefuck.types.load_source',
return_value=Mock(match=match,
get_new_command=get_new_command,
enabled_by_default=True,
priority=900,
requires_output=True))
rule_path = os.path.join(os.sep, 'rules', 'bash.py')
assert (Rule.from_path(Path(rule_path))
== Rule('bash', match, get_new_command, priority=900))
load_source.assert_called_once_with('bash', rule_path)
def test_from_path_excluded_rule(self, mocker, settings):
load_source = mocker.patch('thefuck.types.load_source')
settings.update(exclude_rules=['git'])
rule_path = os.path.join(os.sep, 'rules', 'git.py')
assert Rule.from_path(Path(rule_path)) is None
assert not load_source.called
@pytest.mark.parametrize('rules, rule, is_enabled', [
(const.DEFAULT_RULES, Rule('git', enabled_by_default=True), True),
(const.DEFAULT_RULES, Rule('git', enabled_by_default=False), False),
([], Rule('git', enabled_by_default=False), False),
([], Rule('git', enabled_by_default=True), False),
(const.DEFAULT_RULES + ['git'], Rule('git', enabled_by_default=False), True),
(['git'], Rule('git', enabled_by_default=False), True)])
def test_is_enabled(self, settings, rules, rule, is_enabled):
settings.update(rules=rules)
assert rule.is_enabled == is_enabled
def test_isnt_match(self):
assert not Rule('', lambda _: False).is_match(
Command('ls', ''))
def test_is_match(self):
rule = Rule('', lambda x: x.script == 'cd ..')
assert rule.is_match(Command('cd ..', ''))
@pytest.mark.usefixtures('no_colors')
def test_isnt_match_when_rule_failed(self, capsys):
rule = Rule('test', Mock(side_effect=OSError('Denied')),
requires_output=False)
assert not rule.is_match(Command('ls', ''))
assert capsys.readouterr()[1].split('\n')[0] == '[WARN] Rule test:'
def test_get_corrected_commands_with_rule_returns_list(self):
rule = Rule(get_new_command=lambda x: [x.script + '!', x.script + '@'],
priority=100)
assert (list(rule.get_corrected_commands(Command('test', '')))
== [CorrectedCommand(script='test!', priority=100),
CorrectedCommand(script='test@', priority=200)])
def test_get_corrected_commands_with_rule_returns_command(self):
rule = Rule(get_new_command=lambda x: x.script + '!',
priority=100)
assert (list(rule.get_corrected_commands(Command('test', '')))
== [CorrectedCommand(script='test!', priority=100)])
class TestCommand(object):
@pytest.fixture(autouse=True)
def Popen(self, monkeypatch):
Popen = Mock()
Popen.return_value.stdout.read.return_value = b'output'
monkeypatch.setattr('thefuck.output_readers.rerun.Popen', Popen)
return Popen
@pytest.fixture(autouse=True)
def prepare(self, monkeypatch):
monkeypatch.setattr('thefuck.output_readers.rerun._wait_output',
lambda *_: True)
def test_from_script_calls(self, Popen, settings, os_environ):
settings.env = {}
assert Command.from_raw_script(
['apt-get', 'search', 'vim']) == Command(
'apt-get search vim', 'output')
Popen.assert_called_once_with('apt-get search vim',
shell=True,
stdin=PIPE,
stdout=PIPE,
stderr=STDOUT,
env=os_environ)
@pytest.mark.parametrize('script, result', [
([], None),
([''], None),
(['', ''], None),
(['ls', '-la'], 'ls -la'),
(['ls'], 'ls'),
(['echo \\ '], 'echo \\ '),
(['echo \\\n'], 'echo \\\n')])
def test_from_script(self, script, result):
if result:
assert Command.from_raw_script(script).script == result
else:
with pytest.raises(EmptyCommand):
Command.from_raw_script(script)
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