1/*
2Copyright 2017 Google LLC
3
4Licensed under the Apache License, Version 2.0 (the "License");
5you may not use this file except in compliance with the License.
6You may obtain a copy of the License at
7
8    http://www.apache.org/licenses/LICENSE-2.0
9
10Unless required by applicable law or agreed to in writing, software
11distributed under the License is distributed on an "AS IS" BASIS,
12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13See the License for the specific language governing permissions and
14limitations under the License.
15*/
16
17package testing
18
19import (
20	"fmt"
21
22	"github.com/golang/protobuf/proto"
23)
24
25// PayloadEqual compares two payloads, assuming they are both proto.Messages or both strings.
26func PayloadEqual(a, b interface{}) bool {
27	if a == nil && b == nil {
28		return true
29	}
30	if a == nil || b == nil {
31		return false
32	}
33	switch a := a.(type) {
34	case proto.Message:
35		return proto.Equal(a, b.(proto.Message))
36	case string:
37		return a == b.(string)
38	default:
39		panic(fmt.Sprintf("payloadEqual: unexpected type %T", a))
40	}
41}
42