Testing in the Node.js World
summary
Practical Node.js testing patterns: use arrange–act–assert style, prefer fast unit and integration tests, isolate and clean side effects with afterEach, and avoid long-running tests. Uses mocha/assert/chai for tests, supertest with an express instance for integration checks, nyc for coverage, and runs some suites in parallel with jest; also shows a helper that starts a child process, sends SIGTERM and asserts exit code 0, and warns about test slowness and flaky failures from uncleaned queues.
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chapters (7)
- 0:00Node.js testing intro
- 4:26Testing requirements
- 10:48Node.js specifics
- 15:04Test types and uses
- 21:09Integration/component tests
- 28:24Effective test principles
- 32:43Q&A
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