Vitest Coverage Thresholds: Fail CI on Low Coverage (2026)
June 23, 2026
Set Vitest coverage thresholds that fail CI when coverage drops. Vitest 4 nested config, per-file and glob gates, plus a runnable GitHub Actions workflow.
#vitest
Test Vercel AI SDK Code with MockLanguageModelV3 (2026)
June 20, 2026
Unit-test Vercel AI SDK v6 code in TypeScript with MockLanguageModelV3 - no API key, no cost. Mock generateText, tool calls, and streaming in Vitest.