A specification generated from the router, which is drift-proof until there are two routers describing two versions. Generating from the router guarantees that a documented endpoint exists and…
A refactor too large to review, and a test that compares behaviour rather than code. A corpus of four thousand real inputs, captured from a week of production…
An integration test that clears the cache mid-scenario and asserts the application still behaves. The failure is the point: a preference written to the cache and nowhere else…
The built-in runner became usable for a package of plain JavaScript at the point it gained watching and a coverage report. Forty-one transitive dependencies gone from a package…