What is the difference between mocks and spies in testing?
An example of an AI chatbot conversation about the difference between mocks and spies in testing.
Can you explain the difference between mocks and spies in testing?
Sure! Mocks and spies are both used in testing to isolate components, but they serve different purposes.
What exactly does a mock do?
A mock simulates the behavior of a real object and allows you to set expectations on how it should be used.
And what about spies?
Spies, on the other hand, wrap around a function to track how it was called without altering its behavior.
Can you give me an example of when to use each?
Certainly! Use mocks when you want to test interactions without relying on the actual implementation, and spies when you want to verify that a function was called correctly.
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