patch replaces MyClass in a way that allows you to control the usage of the class in functions that you call. Once you patch a class, references to the class are completely replaced by the mock instance.

Aug 12, 2013 · Using python's mock patch.object to change the return value of a method called within another method Asked 12 years, 4 months ago Modified 5 years ago Viewed 501k times

Aug 6, 2020 · To summarize: patch is a convenience decorator/context manager function to replace objects with mock objects (or other objects) and reset the previous state after finishing or in case of …

I wonder if the patch should be patch.object(spud, 'foo', wraps=spud.foo) instead so the code would be patching the specific instance. While it doesn't make a practical difference in this case, the current …

Python mock patch a function called by another function Asked 13 years, 7 months ago Modified 2 years, 7 months ago Viewed 124k times

for those struggling with why this isnt working with variables assigned above your classes/functions, it has to do with the way python loads imports vs patches. To overcome this, move the patch into your …

Python 3 Patch builtins.open and use mock_open, which is part of the mock framework. patch used as a context manager returns the object used to replace the patched one:

I am trying to get mock.patch to work on the following piece of sample code: from mock import patch from collections import defaultdict with patch ('collections.defaultdict'): d = defaultdict ()

Dec 3, 2014 · The short answer is no you cannot use patch.multiple() to do it. As described in patch.multiple all arguments will be applied to all created mocks and all arguments MUST be …

What is the difference between using the '@patch.object' and 'with patch.object' in Python? Asked 9 years, 4 months ago Modified 9 years, 3 months ago Viewed 11k times