Project Structure · interview question
How does mocking help in unit testing an e-commerce application's payment service?
Multiple choiceMediumchapter-10-curatedpremiumproject-structurejava-modules-jpms
Answer and explanation
Correct answer
C. By simulating payment gateways and removing external dependencies
Why
Mocking allows you to replace real payment gateways with simulated versions, isolating the unit of code under test from external dependencies. This ensures tests are faster and more reliable.
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