Testing · interview question
In the context of a Java e-commerce application, what is a potential pitfall of using real external payment systems in integration tests?
Multiple choiceHardchapter-10-curatedpremiumtestingunit-testing-with-junit
Answer and explanation
Correct answer
C. Tests may incur unwanted costs
Why
Using real external payment systems in integration tests can incur unwanted costs due to transaction fees or charges for API usage. It's often better to use mock services that simulate the behavior of these systems to avoid such pitfalls.
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