golang-testing

Table-driven tests in Go use a slice of structs containing input and expected output fields to iterate through scenarios, executing assertion logic in a single testing function to validate multiple cases concisely.

To start test-driven development in Go, follow the RED-GREEN-REFACTOR cycle by writing a failing test first, implementing the minimal code required to pass that test, and then refactoring the implementation.

Measure Go test coverage by running the testing command with coverage flags to generate a profile, which identifies untested code paths and helps improve your application's overall test coverage.

Yes, Go fuzzing automatically generates random inputs to pass into your test functions, which helps discover edge cases, unexpected panics, and security vulnerabilities in your code.

Run subtests and parallel tests in Go by utilizing the subtest feature within the testing package, structuring tests logically with t.Run, and calling t.Parallel to speed up execution.

Test HTTP handlers in Go by using the standard library's httptest package to create mock requests and response recorders, easily validating your web service endpoints without starting a server.