1/*
2 *
3 * Copyright 2019 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18package grpc_service_config_test
19
20import (
21	"testing"
22
23	"github.com/golang/protobuf/jsonpb"
24	wrapperspb "github.com/golang/protobuf/ptypes/wrappers"
25	"google.golang.org/grpc/internal/grpctest"
26	scpb "google.golang.org/grpc/internal/proto/grpc_service_config"
27)
28
29type s struct {
30	grpctest.Tester
31}
32
33func Test(t *testing.T) {
34	grpctest.RunSubTests(t, s{})
35}
36
37// TestXdsConfigMarshalToJSON is an example to print json format of xds_config.
38func (s) TestXdsConfigMarshalToJSON(t *testing.T) {
39	c := &scpb.XdsConfig{
40		ChildPolicy: []*scpb.LoadBalancingConfig{
41			{Policy: &scpb.LoadBalancingConfig_Grpclb{
42				Grpclb: &scpb.GrpcLbConfig{},
43			}},
44			{Policy: &scpb.LoadBalancingConfig_RoundRobin{
45				RoundRobin: &scpb.RoundRobinConfig{},
46			}},
47		},
48		FallbackPolicy: []*scpb.LoadBalancingConfig{
49			{Policy: &scpb.LoadBalancingConfig_Grpclb{
50				Grpclb: &scpb.GrpcLbConfig{},
51			}},
52			{Policy: &scpb.LoadBalancingConfig_PickFirst{
53				PickFirst: &scpb.PickFirstConfig{},
54			}},
55		},
56		EdsServiceName: "eds.service.name",
57		LrsLoadReportingServerName: &wrapperspb.StringValue{
58			Value: "lrs.server.name",
59		},
60	}
61	j, err := (&jsonpb.Marshaler{}).MarshalToString(c)
62	if err != nil {
63		t.Fatalf("failed to marshal proto to json: %v", err)
64	}
65	t.Logf(j)
66}
67