#1 Add history of last commands, allow fuck more than once

tests/test_history.py

@@ -0,0 +1,44 @@
+import pytest
+from mock import patch, Mock
+from thefuck.history import History
+
+
+@pytest.fixture
+def process(monkeypatch):
+    Process = Mock()
+    Process.return_value.parent.return_value.pid = 1
+    monkeypatch.setattr('thefuck.history.Process', Process)
+
+
+@pytest.fixture
+def db(monkeypatch):
+    class DBMock(dict):
+        def __init__(self):
+            super(DBMock, self).__init__()
+            self.sync = Mock()
+
+        def __call__(self, *args, **kwargs):
+            return self
+
+    db = DBMock()
+    monkeypatch.setattr('thefuck.history.shelve.open', db)
+    return db
+
+
+@pytest.mark.usefixtures('process')
+class TestHistory(object):
+    def test_set(self, db):
+        history = History()
+        history.update(last_script='ls',
+                       last_fixed_script=None)
+        assert db == {'1-last_script': 'ls',
+                      '1-last_fixed_script': None}
+
+    def test_get(self, db):
+        history = History()
+        db['1-last_script'] = 'cd ..'
+        assert history.last_script == 'cd ..'
+
+    def test_get_without_value(self, db):
+        history = History()
+        assert history.last_script is None