NodeJS: Supercharge Your Integration Tests with Vitest, Testcontainers and PGlite
summary
Shows how to speed up and harden Node.js integration tests using Testcontainers (TypeScript API for managing Docker environments), PGlite (a tiny, WebAssembly-compiled Postgres), and Vitest (including its test isolation and new fixture/infrastructure management features). Presents concrete techniques to cut CI run times and make integration tests more reliable.
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chapters (14)
- 0:00Integration tests intro
- 3:10Integration tests focus
- 4:36Testcontainers for Node.js
- 7:03Custom Testcontainers plugin
- 9:33Demo: Vitest + GRPC mock
- 11:39Vitest global setup
- 14:30PGlite: lightweight PostgreSQL
- 16:13Testcontainers vs PGlite
- 18:43Vitest performance
- 21:11Simplify tests with fixtures
- 22:34Advanced Vitest fixtures
- 27:56Best practices
- 28:39Measure test performance
- 29:42Q&A
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