writing-dev-server-tests
Writing HMR/Dev Server Tests
Dev server tests validate hot-reloading robustness and reliability.
File Structure
test/bake/bake-harness.ts- shared utilities:devTest,prodTest,devAndProductionTest,Devclass,Clientclasstest/bake/client-fixture.mjs- subprocess forClient(page loading, IPC queries)test/bake/dev/*.test.ts- dev server and hot reload teststest/bake/dev-and-prod.ts- tests running on both dev and production mode
Test Categories
bundle.test.ts- DevServer-specific bundling bugscss.test.ts- CSS bundling issuesplugins.test.ts- development mode pluginsecosystem.test.ts- library compatibility (prefer concrete bugs over full package tests)esm.test.ts- ESM features in developmenthtml.test.ts- HTML file handling
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