Refine tests

tests/test_history.py

@@ -1,32 +1,30 @@
 import pytest
-from mock import patch, Mock
+from mock import 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):
+    @pytest.fixture(autouse=True)
+    def process(self, monkeypatch):
+        Process = Mock()
+        Process.return_value.parent.return_value.pid = 1
+        monkeypatch.setattr('thefuck.history.Process', Process)
+        return Process
+
+    @pytest.fixture(autouse=True)
+    def db(self, 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
+
     def test_set(self, db):
         history = History()
         history.update(last_script='ls',
@@ -39,6 +37,6 @@ class TestHistory(object):
         db['1-last_script'] = 'cd ..'
         assert history.last_script == 'cd ..'
 
-    def test_get_without_value(self, db):
+    def test_get_without_value(self):
         history = History()
         assert history.last_script is None