Speed up your unit testing with Jest
summary
Introduces using Jest for frontend unit testing of components, including snapshot testing of HTML to verify appearance and behavior in isolation. Explains why Jest improves test speed and reliability compared with existing tools and gives practical techniques for migrating and writing faster, more effective component tests.
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chapters (14)
- 0:00Introduction
- 1:10Career focus
- 3:18Software quality via unit tests
- 7:15What is Jest and why use it
- 10:06Install Jest and config
- 13:23Snapshots in Jest
- 17:01Parallel test execution
- 20:35Snapshots for business logic
- 24:16Jest with tables and complex cases
- 27:55Mocks and functions
- 30:51Maintainable test code
- 33:16Managing snapshots
- 36:24CI/CD and tools
- 37:48Q&A
