pytest-mock : Mocking in pytest
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pytest-mock is currently the #3 pytest plugin. pytest-mock is a wrapper around unittest.mock.

In this episode:

• Why the pytest-mock plugin is awesome

• What is mocking, patching, and monkey patching

• What, if any, is the difference between mock, fake, spy, stub. 

• Why we might need these in testing

• Some history of mock in Python and how mock became unittest.mock

• From unittest.mock

• patch.object

• patch.object with autospec

• using these as context managers

• pytest-mock:

• The mocker fixture 

• Cleanup in teardown

• Using mocker.patch, mocker.spy, and mocker.stub

• Why it's awesome and why you might want to use it over straight unittest.mock

Links:

• top pytest plugins list)
• pytest-mock documentation)
• unittest.mock)
• Podcast episode discussing unittest.mock with Michael Foord)
• monkeypatch)

** Learn pytest**

• pytest is the number one test framework for Python.
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• Then later you can become a pytest expert with The Complete pytest Course)
• Both courses are at courses.pythontest.com)