test(rules): test other rules involving shells.and_()

Signed-off-by: Pablo Santiago Blum de Aguiar <scorphus@gmail.com>

tests/rules/test_pacman.py

@@ -0,0 +1,53 @@
+import pytest
+from mock import patch
+from thefuck.rules import pacman
+from thefuck.rules.pacman import match, get_new_command
+from tests.utils import Command
+
+
+pacman_cmd = getattr(pacman, 'pacman', 'pacman')
+
+
+@pytest.mark.skipif(not getattr(pacman, 'enabled_by_default', True),
+                    reason='Skip if pacman is not available')
+@pytest.mark.parametrize('command', [
+    Command(script='vim', stderr='vim: command not found')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, return_value', [
+    (Command(script='vim', stderr='vim: command not found'), 'vim foo bar')])
+@patch('thefuck.rules.pacman.subprocess')
+@patch.multiple(pacman, create=True, pacman=pacman_cmd)
+def test_match_mocked(subp_mock, command, return_value):
+    subp_mock.check_output.return_value = return_value
+    assert match(command, None)
+    assert subp_mock.check_output.called
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='vim', stderr=''), Command()])
+def test_not_match(command):
+    assert not match(command, None)
+
+
+@pytest.mark.skipif(not getattr(pacman, 'enabled_by_default', True),
+                    reason='Skip if pacman is not available')
+@pytest.mark.parametrize('command, new_command', [
+    (Command('vim'), '{} -S vim && vim'.format(pacman_cmd)),
+    (Command('convert'), '{} -S imagemagick && convert'.format(pacman_cmd))])
+def test_get_new_command(command, new_command, mocker):
+    assert get_new_command(command, None) == new_command
+
+
+@pytest.mark.parametrize('command, new_command, return_value', [
+    (Command('vim'), '{} -S vim && vim'.format(pacman_cmd), 'vim foo bar'),
+    (Command('convert'), '{} -S imagemagick && convert'.format(pacman_cmd),
+     'imagemagick foo bar')])
+@patch('thefuck.rules.pacman.subprocess')
+@patch.multiple(pacman, create=True, pacman=pacman_cmd)
+def test_get_new_command_mocked(subp_mock, command, new_command, return_value):
+    subp_mock.check_output.return_value = return_value
+    assert get_new_command(command, None) == new_command
+    assert subp_mock.check_output.called