Testing quiz

Test your Testing knowledge with a free interactive quiz — 50 questions with answers and explanations. No signup needed to play.

What is the "AAA" pattern in test structure?

1. What is the "AAA" pattern in test structure?
2. What do `beforeEach` / `afterEach` (or `setUp` / `tearDown`) typically do?
3. Why is 100% test coverage NOT a guarantee that the code is correct?
4. What is the basic difference between a mock and a stub?
5. Why must tests be deterministic?
6. Why should one test ideally test ONE behavior?
7. What is a "smoke test"?
8. What is the purpose of a regression test?
9. What is the difference between black-box and white-box testing?
10. Which test name communicates intent best?
11. What does the "test pyramid" recommend about a test suite's shape?
12. Why should tests be independent (not depend on order or shared mutable state)?

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