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Testing & QA

Integration Test

/ˌɪntɪˈɡreɪʃən test/

Definition

A test verifying how multiple components or services work together, including real database or API calls.

Example in context

"Integration tests spin up a real Postgres container — they're 10× slower than unit tests but catch wiring bugs."

Related terms

  • Unit test — A test that verifies a single function or module in isolation, without involving external systems.
  • E2E test — End-to-End test — a test that exercises the full application stack from UI to database, simulating real user flows.

Practice this term

Master Integration Test in context by working through exercises in the Testing & QA module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.

Practice in exercises → Browse all words