Seven ways to make your Vue component tests better
summary
Seven concrete rules and a live-coded login form that goes through default, loading, success and error states determine whether the advice is useful. It uses Vitest and Vue Test Utils, prefers shallowMount and mount difference for unit vs integration checks, recommends data-test-id helpers instead of querying raw elements, and insists on simulating user input with setValue plus nextTick. Tests must assert rendered HTML, emitted events or side effects and avoid inspecting component internals.
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chapters (12)
- 0:00Introduction
- 1:20Good component tests
- 2:46Unit testing Vue components
- 4:33Live login form coding
- 6:00Testing component states
- 7:24Brittle tests fix
- 9:30Helper functions for tests
- 10:35Test output not internals
- 13:06Child components black box
- 17:36Simulating user input
- 20:30Async operations handling
- 21:57Final tips
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