Child Class from MagicMock object has weird spec='str' and can't use or mock methods of the class Question: When a class is created deriving from a MagicMock() object it has an unwanted spec=’str’. Does anyone know why this happens? Does anyone know any operations that could be done to the MagicMock() object in this case …
Python unittest case expected not matching with the actual Question: I am trying to mock the secrets manager client. Earlier the variables weren’t in the class so I was able to mock the client directly using a patch like below: @patch(‘my_repo.rc.client’) and now since I am using an instance method, I need to mock the …
How to mock a function which gets executed during the import time? Question: Here the ABC() and obj.print_1() get called during the import time and it prints "making object" and "printed 1" respectively. How can we mock all the three functions, __init__(), print_1(), and print_2()? xyz.py from abc import ABC obj = ABC() obj.print_1() def …
Mock class in Python with decorator patch Question: I would like to patch a class in Python in unit testing. The main code is this (mymath.py): class MyMath: def my_add(self, a, b): return a + b def add_three_and_two(): my_math = MyMath() return my_math.my_add(3, 2) The test class is this: import unittest from unittest.mock import patch …
Python Mock: mock calls counted by call_count Question: Is there a way to get the mock calls counted by call_count in this example: from mock import MagicMock mock = MagicMock() mock.get_query(arg=1).execute() mock.get_query(arg=2).execute() print(‘count:’, mock.get_query.call_count) print(‘calls:’, mock.get_query.mock_calls) Actual result: count: 2 calls: [call(arg=1), call().execute(), call(arg=2), call().execute()] Desired result: count: 2 calls: [call(arg=1), call(arg=2)] I understand mock_calls. …
Python mock patch not mocking the object Question: I am using the python mocking library and I am not sure why I get this result. Why only the second one got mocked and not the first one? What’s the best way to do it? import unittest from unittest.mock import patch, Mock import requests from requests …
Python Mocking – How to store function arguments to a mocked function in the mock that is returned? Question: Consider two explicit MagicMocks, such that one is used to create new mock instances by calling a method with arguments, and these mocks in turn are passed to the other mock’s method as arguments: In [1]: …
Python mock call_args_list unpacking tuples for assertion on arguments Question: I’m having some trouble dealing with the nested tuple which Mock.call_args_list returns. def test_foo(self): def foo(fn): fn(‘PASS and some other stuff’) f = Mock() foo(f) foo(f) foo(f) for call in f.call_args_list: for args in call: for arg in args: self.assertTrue(arg.startswith(‘PASS’)) I would like to know …
