golang-testing

Table-driven tests in Go use a struct slice to define multiple input and expected output cases, iterating through them to execute subtests. This pattern provides concise coverage and maintains test reliability across multiple scenarios.

Go benchmarks measure code performance by defining functions prefixed with Benchmark. Executing them detects regressions by tracking allocation counts and execution time across test runs to ensure performance stability.

Go subtests structure validation by using the t.Run method to group tests logically. Calling t.Parallel within subtests speeds up validation by executing them concurrently across independent test cases.

Go supports fuzzing to validate inputs and enhance robustness by automatically generating random test data. This testing technique exposes hidden edge cases and panic conditions that standard tests might miss.

Aligning TDD workflows with Go testing involves writing failing tests first, then implementing minimal code to pass them. Apply table-driven tests and subtests to structure the iterative development cycle.

Go test coverage and benchmarks integrate into CI pipelines by executing the go test command with coverage flags. This enforces consistent quality by automatically validating code reliability and performance on every commit.