golang-testing

Topics in the source

• Go Testing
• Testing Framework
• Table-Driven Tests
• Test Helpers
• Test Fixtures
• Race Detection
• Coverage Analysis
• Basic Coverage

This skill provides comprehensive Go testing patterns extending common testing principles with Go-specific idioms. Use the standard go test with table-driven tests as the primary pattern. The idiomatic Go testing pattern: Benefits: Easy to add new test cases Clear test case documentation Parallel test execution with t.Parallel() Isolated subtests with t.Run() Use t.Helper() to mark helper functions: Benefits: Correct line numbers in test failures Reusable test utilities Cleaner test code Use t.Cleanup() for resource cleanup: Always run tests with the -race flag to detect data races: In CI/CD: Why: Detects concurrent access bugs Prevents production race conditions Minimal performance overhead in tests Run benchmarks: Compare benchmarks: Run integration tests: 1. Use t.Parallel() for independent tests 2. Use testing.Short() to skip slow tests 3. Use t.TempDir() for temporary directories 4. Use t.Setenv() for environment variables 5. Avoid init() in test files 6. Keep tests focused - one behavior per test 7. Use meaningful test names - describe what's being tested Writing new Go tests Improving test coverage Setting up test infrastructure Debugging flaky tests Optimizing test performa

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