#N/A Add history rule

tests/rules/test_history.py

@@ -0,0 +1,35 @@
+import pytest
+from thefuck.rules.history import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def history(mocker):
+    return mocker.patch('thefuck.rules.history.get_history',
+                        return_value=['ls cat', 'diff x', 'nocommand x'])
+
+
+@pytest.fixture
+def callables(mocker):
+    return mocker.patch('thefuck.rules.history.get_all_callables',
+                        return_value=['diff', 'ls'])
+
+
+@pytest.mark.usefixtures('history', 'callables', 'no_memoize')
+@pytest.mark.parametrize('script', ['ls cet', 'daff x'])
+def test_match(script):
+    assert match(Command(script=script), None)
+
+
+@pytest.mark.usefixtures('history', 'callables', 'no_memoize')
+@pytest.mark.parametrize('script', ['apt-get', 'nocommand y'])
+def test_not_match(script):
+    assert not match(Command(script=script), None)
+
+
+@pytest.mark.usefixtures('history', 'callables', 'no_memoize')
+@pytest.mark.parametrize('script, result', [
+    ('ls cet', 'ls cat'),
+    ('daff x', 'diff x')])
+def test_get_new_command(script, result):
+    assert get_new_command(Command(script), None) == result