In TDD, what is the role of mock objects or frameworks?
- Capturing and analyzing code coverage
- Generating random test data
- Simulating the behavior of external components
- Verifying the correctness of the code
In Test-Driven Development (TDD), mock objects or frameworks play a crucial role in simulating the behavior of external components or dependencies. By creating mock objects, developers can isolate the code under test and control the inputs and outputs of external dependencies. This allows for focused testing of individual units, ensuring that each unit behaves as expected in different scenarios without relying on the actual implementation of external components.
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