Function TestAnnotation

flag_test.go:142–176

(t *testing.T)

}

func TestAnnotation(t *testing.T) {
	f := NewFlagSet("shorthand", ContinueOnError)

	err := f.SetAnnotation("missing-flag", "key", nil)
	expectedErr := "no such flag -missing-flag"
	if err == nil {
		t.Errorf("Expected error setting annotation on non-existent flag")
	}
	if err.Error() != expectedErr {
		t.Errorf("expected error %q, got %q", expectedErr, err.Error())
	}

	f.StringP("stringa", "a", "", "string value")
	if err := f.SetAnnotation("stringa", "key", nil); err != nil {
		t.Errorf("Unexpected error setting new nil annotation: %v", err)
	}
	if annotation := f.Lookup("stringa").Annotations["key"]; annotation != nil {
		t.Errorf("Unexpected annotation: %v", annotation)
	}

	f.StringP("stringb", "b", "", "string2 value")
	if err := f.SetAnnotation("stringb", "key", []string{"value1"}); err != nil {
		t.Errorf("Unexpected error setting new annotation: %v", err)
	}
	if annotation := f.Lookup("stringb").Annotations["key"]; !reflect.DeepEqual(annotation, []string{"value1"}) {
		t.Errorf("Unexpected annotation: %v", annotation)
	}

	if err := f.SetAnnotation("stringb", "key", []string{"value2"}); err != nil {
		t.Errorf("Unexpected error updating annotation: %v", err)
	}
	if annotation := f.Lookup("stringb").Annotations["key"]; !reflect.DeepEqual(annotation, []string{"value2"}) {
		t.Errorf("Unexpected annotation: %v", annotation)
	}
}

func TestName(t *testing.T) {
	flagSetName := "bob"