import pytest from thefuck.rules.pip_unknown_command import match, get_new_command from tests.utils import Command @pytest.fixture def pip_unknown_cmd(): return '''ERROR: unknown command "instatl" - maybe you meant "install"''' @pytest.fixture def pip_unknown_cmd_without_recommend(): return '''ERROR: unknown command "i"''' def test_match(pip_unknown_cmd, pip_unknown_cmd_without_recommend): assert match(Command('pip instatl', stderr=pip_unknown_cmd), None) assert not match(Command('pip i', stderr=pip_unknown_cmd_without_recommend), None) def test_get_new_command(pip_unknown_cmd): assert get_new_command(Command('pip instatl', stderr=pip_unknown_cmd), None) == 'pip install'