testing package

Canonical package docs for tests, benchmarks, fuzzing, subtests, and helper APIs.

• Author: Go Team
• Authority: primary
• Kind: package-doc
• URL: https://pkg.go.dev/testing

What it covers

• tests and benchmarks
• subtests and helpers
• fuzzing and testing package APIs

Why authoritative

Official package documentation for Go’s standard testing API.

Use when

• how does the Go testing package work
• what helper does Go testing provide here
• how should I write this benchmark or subtest

Keywords

• testing package, benchmarks, subtests, fuzzing, helpers

Used by

• benchmarks
• golden-files-and-testdata
• subtests
• table-driven-tests
• test-helpers
• testing