Function TestDecode_NilInterfaceHook

mapstructure_test.go:1067–1101

(t *testing.T)

}

func TestDecode_NilInterfaceHook(t *testing.T) {
	t.Parallel()

	input := map[string]interface{}{
		"w": "",
	}

	decodeHook := func(f, t reflect.Type, v interface{}) (interface{}, error) {
		if t.String() == "io.Writer" {
			return nil, nil
		}

		return v, nil
	}

	var result NilInterface
	config := &DecoderConfig{
		DecodeHook: decodeHook,
		Result:     &result,
	}

	decoder, err := NewDecoder(config)
	if err != nil {
		t.Fatalf("err: %s", err)
	}

	err = decoder.Decode(input)
	if err != nil {
		t.Fatalf("got an err: %s", err)
	}

	if result.W != nil {
		t.Errorf("W should be nil: %#v", result.W)
	}
}

func TestDecode_NilPointerHook(t *testing.T) {
	t.Parallel()