Function parseOutput

docopt_test.go:1499–1519

parseOutput wraps the Parse() function to also return stdout

(doc string, argv []string, help bool, version string,
	optionsFirst bool)

// parseOutput wraps the Parse() function to also return stdout
func parseOutput(doc string, argv []string, help bool, version string,
	optionsFirst bool) (map[string]interface{}, string, error) {
	stdout := os.Stdout
	r, w, _ := os.Pipe()
	os.Stdout = w

	args, err := Parse(doc, argv, help, version, optionsFirst, false)

	outChan := make(chan string)
	go func() {
		var buf bytes.Buffer
		io.Copy(&buf, r)
		outChan <- buf.String()
	}()

	w.Close()
	os.Stdout = stdout
	output := <-outChan

	return args, output, err
}

var debugEnabled = false