Python Unittest Mock and Patch

Unittest.mock provides the stub to replace an external api call(HTTP request…) during the unittest. Mock and MagicMock create all attributes and methods for the Mock object . We can limit the return values and available attributes. Mock provides the return_value and side_effects. i) return_value just return value when the particular method is called in the test. ii) side_effects allows you to perform some operations(like raising exceptions) and is helpful to call the patch call with different results in sequential order return_value gives the same result in the entire test....

October 1, 2021 · 2 min · arunkumar