-
Notifications
You must be signed in to change notification settings - Fork 4.3k
/
rds_test.go
150 lines (139 loc) · 4.67 KB
/
rds_test.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/*
*
* Copyright 2020 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http:https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package v2
import (
"context"
"testing"
"time"
xdspb "github.com/envoyproxy/go-control-plane/envoy/api/v2"
xdsclient "google.golang.org/grpc/xds/internal/client"
"google.golang.org/grpc/xds/internal/testutils/fakeserver"
)
// doLDS makes a LDS watch, and waits for the response and ack to finish.
//
// This is called by RDS tests to start LDS first, because LDS is a
// pre-requirement for RDS, and RDS handle would fail without an existing LDS
// watch.
func doLDS(ctx context.Context, t *testing.T, v2c xdsclient.APIClient, fakeServer *fakeserver.Server) {
v2c.AddWatch(xdsclient.ListenerResource, goodLDSTarget1)
if _, err := fakeServer.XDSRequestChan.Receive(ctx); err != nil {
t.Fatalf("Timeout waiting for LDS request: %v", err)
}
}
// TestRDSHandleResponseWithRouting starts a fake xDS server, makes a ClientConn
// to it, and creates a v2Client using it. Then, it registers an LDS and RDS
// watcher and tests different RDS responses.
func (s) TestRDSHandleResponseWithRouting(t *testing.T) {
tests := []struct {
name string
rdsResponse *xdspb.DiscoveryResponse
wantErr bool
wantUpdate *xdsclient.RouteConfigUpdate
wantUpdateErr bool
}{
// Badly marshaled RDS response.
{
name: "badly-marshaled-response",
rdsResponse: badlyMarshaledRDSResponse,
wantErr: true,
wantUpdate: nil,
wantUpdateErr: false,
},
// Response does not contain RouteConfiguration proto.
{
name: "no-route-config-in-response",
rdsResponse: badResourceTypeInRDSResponse,
wantErr: true,
wantUpdate: nil,
wantUpdateErr: false,
},
// No VirtualHosts in the response. Just one test case here for a bad
// RouteConfiguration, since the others are covered in
// TestGetClusterFromRouteConfiguration.
{
name: "no-virtual-hosts-in-response",
rdsResponse: noVirtualHostsInRDSResponse,
wantErr: false,
wantUpdate: &xdsclient.RouteConfigUpdate{
VirtualHosts: nil,
},
wantUpdateErr: false,
},
// Response contains one good RouteConfiguration, uninteresting though.
{
name: "one-uninteresting-route-config",
rdsResponse: goodRDSResponse2,
wantErr: false,
wantUpdate: nil,
wantUpdateErr: false,
},
// Response contains one good interesting RouteConfiguration.
{
name: "one-good-route-config",
rdsResponse: goodRDSResponse1,
wantErr: false,
wantUpdate: &xdsclient.RouteConfigUpdate{
VirtualHosts: []*xdsclient.VirtualHost{
{
Domains: []string{uninterestingDomain},
Routes: []*xdsclient.Route{{Prefix: newStringP(""), Action: map[string]uint32{uninterestingClusterName: 1}}},
},
{
Domains: []string{goodLDSTarget1},
Routes: []*xdsclient.Route{{Prefix: newStringP(""), Action: map[string]uint32{goodClusterName1: 1}}},
},
},
},
wantUpdateErr: false,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
testWatchHandle(t, &watchHandleTestcase{
rType: xdsclient.RouteConfigResource,
resourceName: goodRouteName1,
responseToHandle: test.rdsResponse,
wantHandleErr: test.wantErr,
wantUpdate: test.wantUpdate,
wantUpdateErr: test.wantUpdateErr,
})
})
}
}
// TestRDSHandleResponseWithoutRDSWatch tests the case where the v2Client
// receives an RDS response without a registered RDS watcher.
func (s) TestRDSHandleResponseWithoutRDSWatch(t *testing.T) {
fakeServer, cc, cleanup := startServerAndGetCC(t)
defer cleanup()
v2c, err := newV2Client(&testUpdateReceiver{
f: func(xdsclient.ResourceType, map[string]interface{}) {},
}, cc, goodNodeProto, func(int) time.Duration { return 0 }, nil)
if err != nil {
t.Fatal(err)
}
defer v2c.Close()
ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
defer cancel()
doLDS(ctx, t, v2c, fakeServer)
if v2c.handleRDSResponse(badResourceTypeInRDSResponse) == nil {
t.Fatal("v2c.handleRDSResponse() succeeded, should have failed")
}
if v2c.handleRDSResponse(goodRDSResponse1) != nil {
t.Fatal("v2c.handleRDSResponse() succeeded, should have failed")
}
}