Python Mock Pitfall: Patch Where It Is Used, Not Where It Is Defined
5d ago ยท 3 min read ยท Originally published at recca0120.github.io from utils import sum, then patch('utils.sum') โ and the mock never takes effect. Switch to patch('helloworld.sum') and it works. This is the most common Python mock mistake. Once you understand why, you wo...
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