How Can I Run `go test` Across Multiple Directories?

Testing Multiple Directories with go test

In the Go testing framework, go test typically executes tests in a single directory containing *_test.go files. However, there may be instances where you need to test across multiple directories for a comprehensive project coverage.

To achieve this, you can use the following commands:

• Testing Current Directory and Subdirectories:

go test ./...

This command instructs go test to run tests in the current directory and all of its children directories, recursively.

• Testing Specific Directories:

go test ./tests/... ./unit-tests/... ./my-packages/...

This command allows you to specify multiple directories where you want the tests to run.

• Testing Import Path Prefixed with a Namespace:

go test foo/...

If your project is organized in a hierarchy, you can use this command to run tests for all directories prefixed with the foo/ import path.

• Testing Import Path Prefixed with a Namespace (Shortened):

go test foo...

This shortened version achieves the same result as the previous example, by matching all import paths that start with foo.

• Testing All Tests in the GOPATH:

go test ...

Finally, to test all the tests in your $GOPATH, you can use this command, which includes all the Go modules you have installed in your system.

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