| Type | Scope | Example Phrase |
|---|---|---|
| Unit test | Single function/class in isolation | "We have 90% unit test coverage on the business logic layer." |
| Integration test | Multiple components together | "Integration tests verify that our API works with the real database." |
| End-to-end (E2E) | Full user journey | "E2E tests simulate a user placing an order from start to finish." |
| Regression test | Ensure old features still work | "We run regression tests on every release to catch unintended breakage." |