When should I use mocks in testing?
Mocks are useful when you want to isolate the unit of code being tested, especially when it interacts with external systems.
Can you give me an example of when to use a mock?
Sure! If you're testing a function that makes an API call, you can use a mock to simulate the API response without actually hitting the endpoint.
What are the benefits of using mocks?
Mocks can speed up tests, reduce flakiness, and allow you to test edge cases that might be hard to reproduce with real dependencies.
Are there any downsides to using mocks?
Yes, overusing mocks can lead to tests that are too tightly coupled to the implementation, making them brittle and harder to maintain.
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