How Can I Run a Specific Test Within a Go Test Suite?

Run Specific Tests in Go Test Suites

This question asks how to run a single test from a test suite in Go.

Answer:

To run a specific test from a Go test suite, use the -run flag of the go test command. The -run flag is documented in the testing flags section of the go tool documentation:

-run regexp
    Run only those tests and examples matching the regular
    expression.

For example, to run only the TestMyFunction test in the foo package:

go test -run 'TestMyFunction' ./foo

This is a convenient way to save time in the debugging process by re-running only the failed test.

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