18 мар. 2022 г. · I found 2 issues with the test. When using jest.mock, object should be returned in the callback, in your case parenthesis is missing.

31 мая 2021 г. · I'm using Jest on my app and I'd like to mock a module with another one. In other word, I would like the first module to be replaced by the second one when ...

7 мая 2024 г. · jest.mock needs to be in the same scope as the import of the mocked module, so something easy to try is import the mocked module inside your utility.

2 нояб. 2022 г. · I am unit testing (using jest) a function named "getTripDetails" (inside file trip.js) that calls another file "getTrace.js" from different ...

14 янв. 2021 г. · I'm trying to mock the return value (or implementation) of the functions inside another module's function with Jest. I need to test different scenarios.

19 сент. 2019 г. · There are ways to partially mock a module, just a function, a class or two. However, to make your test pass, there's even a simpler approach.

29 сент. 2021 г. · Thanks Steve thats really helpful and ill give that a go as well as well. after some more messing i came to a couple of solutions shown ...

20 февр. 2021 г. · Another file that imports the module will get the original implementation even if it runs after the test file that mocks the module. So there ...

13 июн. 2022 г. · I want to do partial mocking, where I mock the add() function but I don't want to use the actual implementation for calculate(). But it doesn't work for me.

12 дек. 2019 г. · The most straightforward way is to use jest.spyOn and then .mockImplementation(). This will allow all other functions in the module to continue working how ...