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Mock testing mit Python

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Transcript

  • 1. Mock Testing mit PythonPyBonn Meetup – März 2013Timo Stollenwerk
  • 2. Testing Pyramide
  • 3. Ein Test ist kein Unit Test wenn● Datenbankverbindung● Netzwerkverbindung● Dateisystemzugriff● Externer Service
  • 4. Mocks in Python● Mock● Mocker● pMock● pyMock● mox● ...
  • 5. PostMonkey>>> from postmonkey import PostMonkey>>> pm = PostMonkey(your_api_key)>>> pm.ping()u"Everythings Chimpy!"
  • 6. Mocker>>> mocker = Mocker()>>> postmonkey = mocker.replace("postmonkey")>>> pm = postmonkey.PostMonkey(ANY)>>> pm.ping()>>> mocker.result(u"Everythings Chimpy!")>>> mocker.replay()
  • 7. Mocker: PostMonkey>>> from postmonkey import PostMonkey>>> pm = PostMonkey(your_api_key)>>> pm.ping()u"Everythings Chimpy!">>> pm<mocker.Mock object at 0x9d7624c>
  • 8. Mock>>> @patch(postmonkey.PostMonkey)>>> def test_mailchimp_ping_method(mock_class):>>> mock_class().ping = MagicMock(>>> return_value=u"Everythings Chimpy!")>>> from postmonkey import PostMonkey>>> pm = PostMonkey(123)>>> assert pm.ping() == u"Everythings Chimpy!">>> test_mailchimp_ping_method()
  • 9. Mock Testing mit PythonPyBonn Meetup – März 2013Timo Stollenwerkgithub.com/tisto/mock-testing-in-python