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Your tests pass, but do they work? Mutation testing in Go
November 02 2026 - 14:45 (45 min )
Continuous Integration has become a standard practice in modern development, and Go provides a rich set of tools to support it: go vet, unit tests, benchmarks, and fuzz testing. Building a CI pipeline that maintains a baseline of quality is straightforward.
But how do we know we're writing good tests? A test that calls a function and discards the result still contributes to coverage. You can hit 100% coverage with zero assertions.
LEVEL: Intermediate
