Mocking interfaces can help to isolate _____ during testing.
- External dependencies
- Database connections
- Code under test
- Integrated components
Mocking interfaces in testing helps to isolate external dependencies. When you're testing a specific piece of code, such as a function or a method, you don't want it to be tightly coupled to external systems like databases, web services, or other components. Mocking allows you to replace these dependencies with controlled, simulated objects, ensuring that your tests focus solely on the code under test.
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