How do I use patching in unittest.mock?
Patching in unittest.mock allows you to replace parts of your system under test and make assertions about how they have been used.
Can you give me an example of how to patch a function?
Sure! You can use @patch('module.function')
as a decorator to replace function
with a mock during the test.
What if I want to patch a method in a class?
You can use @patch.object(ClassName, 'method_name')
to patch a specific method of a class.
How do I assert that the patched method was called?
You can use mock.assert_called_once()
to check if the patched method was called exactly once.
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