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Unit vs Integration Tests

The test we just wrote is an integration test — it tests the full request flow from HTTP request through database query to JSON response. But how is that different from a unit test?

Ask Claude to explain the difference and suggest how you might write a unit test for the same endpoint.

This exercise is part of the course

Software Development with Claude Code

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Exercise instructions

  • Start Claude Code with claude.
  • Ask Claude to explain the difference between unit tests and integration tests for the albums endpoint.
  • Ask Claude how you would write a unit test for the same endpoint (what would you mock?).
  • When done, type /exit to exit Claude Code.

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