How can I effectively use mocks and spies in my tests?
An example of an AI chatbot conversation about testing with mocks and spies.
How can I effectively use mocks and spies in my tests?
Mocks and spies are essential for isolating components in your tests. Mocks simulate dependencies, while spies track calls.
Can you give me an example of when to use a mock versus a spy?
Sure! Use a mock when you want to replace a function with a fake implementation. Use a spy to observe how a function is called.
What testing frameworks support mocks and spies?
Popular frameworks like Jest, Mocha, and Jasmine support mocks and spies, making it easier to write isolated tests.
Are there any best practices for using mocks and spies?
Yes! Keep your tests readable, avoid over-mocking, and ensure your mocks and spies are reset between tests to prevent interference.
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