Function WithStdoutCaptured

dev/devtest/testutils.go:90–119

WithStdoutCaptured executes the passed function and returns a string containing the stdout of the executed function.

(f func())

// WithStdoutCaptured executes the passed function and returns a string
// containing the stdout of the executed function.
func WithStdoutCaptured(f func()) string {
	osStdout := os.Stdout
	r, w, err := os.Pipe()

	if err != nil {
		panic(err)
	}

	os.Stdout = w

	outC := make(chan string)

	go func() {
		var buf bytes.Buffer

		if _, err := io.Copy(&buf, r); err != nil {
			panic(err)
		}

		outC <- buf.String()
	}()

	f()

	w.Close()
	os.Stdout = osStdout
	out := <-outC

	return out
}

// RemoveDirectoryOrFail removes a directory (and its contents) or fails the test.
func RemoveDirectoryOrFail(t *testing.T, path string) {