import pytest
from thefuck.rules.git_merge import match, get_new_command
from thefuck.types import Command


@pytest.fixture
def output():
    return 'merge: local - not something we can merge\n\n' \
        'Did you mean this?\n\tremote/local'


def test_match(output):
    assert match(Command('git merge test', output))
    assert not match(Command('git merge master', ''))
    assert not match(Command('ls', output))


@pytest.mark.parametrize('command, new_command', [
    (Command('git merge local', output()),
     'git merge remote/local'),
    (Command('git merge -m "test" local', output()),
     'git merge -m "test" remote/local'),
    (Command('git merge -m "test local" local', output()),
     'git merge -m "test local" remote/local')])
def test_get_new_command(command, new_command):
    assert get_new_command(command) == new_command