Testing package
The testing package is Go’s standard-library package for defining, running, and reporting automated tests and benchmarks.
Go in Practice, Second Edition
The Go testing package is a standard-library package for defining and running automated tests and reporting test failures.
- How it is used
- Defines and runs automated package tests while reporting failures and measuring coverage.
- How deep it goes
- Demonstrates test-file naming, Test functions, failure output, package commands, and coverage, but not advanced test organization.
- Examples
- Uses a reverse-name function, TestName, Unicode input, failure diagnostics, rune conversion, and coverage output.
- What you can do after
- Diagnose/debug implementation defects with Test functions, go test output, assertions, and coverage reports.
Read how Go in Practice, Second Edition explains testing package →
Learn Go with Pocket-Sized Projects
The Go testing package provides support for automated tests, benchmarks, and related test execution features.
- How it is used
- Provides standard-library tools for writing, executing, and organizing Go tests, examples, and benchmarks.
- How deep it goes
- Explains test signatures, four execution phases, scenario naming, table-driven cases, and output checks without covering testing internals.
- Examples
- Demonstrates greet tests for English, French, and unknown languages, using expected values, actual values, and t.Errorf.
- What you can do after
- Apply the testing package to write scenario tests, report failures, run go test, and structure multi-input checks.
Read how Learn Go with Pocket-Sized Projects explains testing package →
Related concepts
- go testused by · go test is the Go command that builds and runs tests for specified packages and can also execute benchmarks and report coverage.
- testing.T.Runused by · testing.T.Run is a Go testing method that creates and executes a named subtest and reports its result to the parent test.
- Terratestused by · Terratest is a Go library for testing infrastructure code and infrastructure deployments.
- example testuses · An example test is a Go test function whose output both documents API behavior and serves as an executable check.
- standard librarypart of · A standard library is a collection of reusable modules, types, functions, APIs, and other facilities distributed with a programming language implementation or platform.
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