Go CLI Testing and Benchmarks

go test ./...

# Run tests for all packages in the module.

go test -v ./...

# Print each test as it runs.

go test -run TestHTTP ./...

# Run only tests whose names match a regexp.

go test -count=1 ./...

# Force tests to run instead of using cached results.

go test -failfast ./...

# Abort package test execution after the first failure.

go test -bench=. ./...

# Run benchmarks matching a regexp.

go test -bench=. -benchtime=3s ./...

# Control how long each benchmark runs.

go test -bench=. -benchmem ./...

# Include memory allocation stats in benchmark output.

go test -run=^$ -bench=BenchmarkParse .

# Benchmark current package only.

go test -coverpkg=./... ./...

# Measure coverage for multiple packages while testing one package set.

go test -coverprofile=coverage.out ./...

# Write a cover profile for later analysis.

go tool cover -func=coverage.out

# Show function-by-function coverage from a profile.

go tool cover -html=coverage.out

# Render an HTML coverage report.

go test -fuzz=FuzzParse

# Run or continue fuzzing for a matching fuzz target.

go test -fuzz=FuzzParse -fuzztime=30s

# Run fuzzing for a bounded amount of time.

go test -run=FuzzParse

# Run only seed inputs in a fuzz test.

go test -json ./...

# Generate machine-readable test events.

go test -shuffle=on ./...

# Detect order-dependent tests by shuffling.

go test -timeout=2m ./...

# Fail tests that exceed a timeout.

go test -parallel=4 ./...

# Set max parallel tests in a package.