Function TestSetHelpTemplate

command_test.go:1021–1062

(t *testing.T)

}

func TestSetHelpTemplate(t *testing.T) {
	rootCmd := &Command{Use: "root", Run: emptyRun}
	childCmd := &Command{Use: "child", Run: emptyRun}
	rootCmd.AddCommand(childCmd)

	rootCmd.SetHelpTemplate("WORKS {{.UseLine}}")

	// Call the help on the root command and check the new template is used
	got, err := executeCommand(rootCmd, "--help")
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	expected := "WORKS " + rootCmd.UseLine()
	if got != expected {
		t.Errorf("Expected %q, got %q", expected, got)
	}

	// Call the help on the child command and check
	// the new template is inherited from the parent
	got, err = executeCommand(rootCmd, "child", "--help")
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	expected = "WORKS " + childCmd.UseLine()
	if got != expected {
		t.Errorf("Expected %q, got %q", expected, got)
	}

	// Reset the root command help template and make sure
	// it falls back to the default
	rootCmd.SetHelpTemplate("")
	got, err = executeCommand(rootCmd, "--help")
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	if !strings.Contains(got, "Usage:") {
		t.Errorf("Expected to contain %q, got %q", "Usage:", got)
	}
}

func TestHelpFlagExecuted(t *testing.T) {
	rootCmd := &Command{Use: "root", Long: "Long description", Run: emptyRun}