esdev test

Find and run test files with the assertion vocabulary provided by runtime:test. Both .test. and .spec. files are discovered in the supported JavaScript and TypeScript extensions.

Shell

esdev test                    # every *.test.* and *.spec.*
esdev test math               # ...whose path contains "math"
esdev test --file=x.test.ts   # exactly one file

Test guide

Writing tests — assertions, helpers, and table-driven cases.
Running and isolating tests — filters, process boundaries, and hangs.
Mocks, setup, and imports — mock behavior, clocks, budgets, reports, and module resolution.

Exits non-zero if any file fails.