-
Notifications
You must be signed in to change notification settings - Fork 3.8k
/
GlobalInterceptorsTest.java
188 lines (165 loc) · 7.17 KB
/
GlobalInterceptorsTest.java
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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
/*
* Copyright 2022 The 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://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 io.grpc;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.regex.Pattern;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class GlobalInterceptorsTest {
private final StaticTestingClassLoader classLoader =
new StaticTestingClassLoader(
getClass().getClassLoader(), Pattern.compile("io\\.grpc\\.[^.]+"));
@Test
public void setInterceptorsTracers() throws Exception {
Class<?> runnable = classLoader.loadClass(StaticTestingClassLoaderSet.class.getName());
((Runnable) runnable.getDeclaredConstructor().newInstance()).run();
}
@Test
public void setGlobalInterceptorsTracers_twice() throws Exception {
Class<?> runnable = classLoader.loadClass(StaticTestingClassLoaderSetTwice.class.getName());
((Runnable) runnable.getDeclaredConstructor().newInstance()).run();
}
@Test
public void getBeforeSet_clientInterceptors() throws Exception {
Class<?> runnable =
classLoader.loadClass(
StaticTestingClassLoaderGetBeforeSetClientInterceptor.class.getName());
((Runnable) runnable.getDeclaredConstructor().newInstance()).run();
}
@Test
public void getBeforeSet_serverInterceptors() throws Exception {
Class<?> runnable =
classLoader.loadClass(
StaticTestingClassLoaderGetBeforeSetServerInterceptor.class.getName());
((Runnable) runnable.getDeclaredConstructor().newInstance()).run();
}
@Test
public void getBeforeSet_serverStreamTracerFactories() throws Exception {
Class<?> runnable =
classLoader.loadClass(
StaticTestingClassLoaderGetBeforeSetServerStreamTracerFactory.class.getName());
((Runnable) runnable.getDeclaredConstructor().newInstance()).run();
}
// UsedReflectively
public static final class StaticTestingClassLoaderSet implements Runnable {
@Override
public void run() {
List<ClientInterceptor> clientInterceptorList =
new ArrayList<>(Arrays.asList(new NoopClientInterceptor()));
List<ServerInterceptor> serverInterceptorList =
new ArrayList<>(Arrays.asList(new NoopServerInterceptor()));
List<ServerStreamTracer.Factory> serverStreamTracerFactoryList =
new ArrayList<>(
Arrays.asList(
new NoopServerStreamTracerFactory(), new NoopServerStreamTracerFactory()));
GlobalInterceptors.setInterceptorsTracers(
clientInterceptorList, serverInterceptorList, serverStreamTracerFactoryList);
assertThat(GlobalInterceptors.getClientInterceptors()).isEqualTo(clientInterceptorList);
assertThat(GlobalInterceptors.getServerInterceptors()).isEqualTo(serverInterceptorList);
assertThat(GlobalInterceptors.getServerStreamTracerFactories())
.isEqualTo(serverStreamTracerFactoryList);
}
}
public static final class StaticTestingClassLoaderSetTwice implements Runnable {
@Override
public void run() {
GlobalInterceptors.setInterceptorsTracers(
new ArrayList<>(Arrays.asList(new NoopClientInterceptor())),
Collections.emptyList(),
new ArrayList<>(Arrays.asList(new NoopServerStreamTracerFactory())));
try {
GlobalInterceptors.setInterceptorsTracers(
null, new ArrayList<>(Arrays.asList(new NoopServerInterceptor())), null);
fail("should have failed for calling setGlobalInterceptorsTracers() again");
} catch (IllegalStateException e) {
assertThat(e).hasMessageThat().isEqualTo("Global interceptors and tracers are already set");
}
}
}
public static final class StaticTestingClassLoaderGetBeforeSetClientInterceptor
implements Runnable {
@Override
public void run() {
List<ClientInterceptor> clientInterceptors = GlobalInterceptors.getClientInterceptors();
assertThat(clientInterceptors).isNull();
try {
GlobalInterceptors.setInterceptorsTracers(
new ArrayList<>(Arrays.asList(new NoopClientInterceptor())), null, null);
fail("should have failed for invoking set call after get is already called");
} catch (IllegalStateException e) {
assertThat(e).hasMessageThat().isEqualTo("Set cannot be called after any get call");
}
}
}
public static final class StaticTestingClassLoaderGetBeforeSetServerInterceptor
implements Runnable {
@Override
public void run() {
List<ServerInterceptor> serverInterceptors = GlobalInterceptors.getServerInterceptors();
assertThat(serverInterceptors).isNull();
try {
GlobalInterceptors.setInterceptorsTracers(
null, new ArrayList<>(Arrays.asList(new NoopServerInterceptor())), null);
fail("should have failed for invoking set call after get is already called");
} catch (IllegalStateException e) {
assertThat(e).hasMessageThat().isEqualTo("Set cannot be called after any get call");
}
}
}
public static final class StaticTestingClassLoaderGetBeforeSetServerStreamTracerFactory
implements Runnable {
@Override
public void run() {
List<ServerStreamTracer.Factory> serverStreamTracerFactories =
GlobalInterceptors.getServerStreamTracerFactories();
assertThat(serverStreamTracerFactories).isNull();
try {
GlobalInterceptors.setInterceptorsTracers(
null, null, new ArrayList<>(Arrays.asList(new NoopServerStreamTracerFactory())));
fail("should have failed for invoking set call after get is already called");
} catch (IllegalStateException e) {
assertThat(e).hasMessageThat().isEqualTo("Set cannot be called after any get call");
}
}
}
private static class NoopClientInterceptor implements ClientInterceptor {
@Override
public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall(
MethodDescriptor<ReqT, RespT> method, CallOptions callOptions, Channel next) {
return next.newCall(method, callOptions);
}
}
private static class NoopServerInterceptor implements ServerInterceptor {
@Override
public <ReqT, RespT> ServerCall.Listener<ReqT> interceptCall(
ServerCall<ReqT, RespT> call, Metadata headers, ServerCallHandler<ReqT, RespT> next) {
return next.startCall(call, headers);
}
}
private static class NoopServerStreamTracerFactory extends ServerStreamTracer.Factory {
@Override
public ServerStreamTracer newServerStreamTracer(String fullMethodName, Metadata headers) {
throw new UnsupportedOperationException();
}
}
}