/
XdsNameResolverProviderTest.java
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/
XdsNameResolverProviderTest.java
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/*
* Copyright 2019 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.xds;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import io.grpc.ChannelLogger;
import io.grpc.InternalServiceProviders;
import io.grpc.NameResolver;
import io.grpc.NameResolver.ServiceConfigParser;
import io.grpc.NameResolverProvider;
import io.grpc.SynchronizationContext;
import io.grpc.internal.GrpcUtil;
import java.net.URI;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link XdsNameResolverProvider}. */
@RunWith(JUnit4.class)
public class XdsNameResolverProviderTest {
private final SynchronizationContext syncContext = new SynchronizationContext(
new Thread.UncaughtExceptionHandler() {
@Override
public void uncaughtException(Thread t, Throwable e) {
throw new AssertionError(e);
}
});
private final NameResolver.Args args = NameResolver.Args.newBuilder()
.setDefaultPort(8080)
.setProxyDetector(GrpcUtil.NOOP_PROXY_DETECTOR)
.setSynchronizationContext(syncContext)
.setServiceConfigParser(mock(ServiceConfigParser.class))
.setChannelLogger(mock(ChannelLogger.class))
.build();
private XdsNameResolverProvider provider = new XdsNameResolverProvider();
@Test
public void provided() {
for (NameResolverProvider current
: InternalServiceProviders.getCandidatesViaServiceLoader(
NameResolverProvider.class, getClass().getClassLoader())) {
if (current instanceof XdsNameResolverProvider) {
return;
}
}
fail("XdsNameResolverProvider not registered");
}
@Test
public void isAvailable() {
assertThat(provider.isAvailable()).isTrue();
}
@Test
public void newNameResolver() {
assertThat(
provider.newNameResolver(URI.create("xds-experimental://1.1.1.1/foo.googleapis.com"), args))
.isInstanceOf(XdsNameResolver.class);
assertThat(
provider.newNameResolver(URI.create("xds-experimental:///foo.googleapis.com"), args))
.isInstanceOf(XdsNameResolver.class);
assertThat(
provider.newNameResolver(URI.create("notxds-experimental://1.1.1.1/foo.googleapis.com"),
args))
.isNull();
}
}