forked from grpc/grpc-java
/
NettyTransportTest.java
145 lines (129 loc) · 4.82 KB
/
NettyTransportTest.java
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/*
* Copyright 2016 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.netty;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import io.grpc.CallOptions;
import io.grpc.ManagedChannel;
import io.grpc.ServerStreamTracer;
import io.grpc.Status;
import io.grpc.StatusRuntimeException;
import io.grpc.internal.AbstractTransportTest;
import io.grpc.internal.ClientTransportFactory;
import io.grpc.internal.FakeClock;
import io.grpc.internal.InternalServer;
import io.grpc.internal.ManagedClientTransport;
import io.grpc.stub.ClientCalls;
import io.grpc.testing.GrpcCleanupRule;
import io.grpc.testing.TestMethodDescriptors;
import java.net.InetSocketAddress;
import java.nio.channels.UnresolvedAddressException;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.junit.After;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for Netty transport. */
@RunWith(JUnit4.class)
public class NettyTransportTest extends AbstractTransportTest {
private final FakeClock fakeClock = new FakeClock();
// Avoid LocalChannel for testing because LocalChannel can fail with
// io.netty.channel.ChannelException instead of java.net.ConnectException which breaks
// serverNotListening test.
private final ClientTransportFactory clientFactory = NettyChannelBuilder
// Although specified here, address is ignored because we never call build.
.forAddress("localhost", 0)
.flowControlWindow(65 * 1024)
.negotiationType(NegotiationType.PLAINTEXT)
.setTransportTracerFactory(fakeClockTransportTracer)
.buildTransportFactory();
@Rule
public final GrpcCleanupRule grpcCleanupRule = new GrpcCleanupRule();
@Override
protected boolean haveTransportTracer() {
return true;
}
@After
public void releaseClientFactory() {
clientFactory.close();
}
@Override
protected List<? extends InternalServer> newServer(
List<ServerStreamTracer.Factory> streamTracerFactories) {
return NettyServerBuilder
.forAddress(new InetSocketAddress("localhost", 0))
.flowControlWindow(65 * 1024)
.setTransportTracerFactory(fakeClockTransportTracer)
.buildTransportServers(streamTracerFactories);
}
@Override
protected List<? extends InternalServer> newServer(
int port, List<ServerStreamTracer.Factory> streamTracerFactories) {
return NettyServerBuilder
.forAddress(new InetSocketAddress("localhost", port))
.flowControlWindow(65 * 1024)
.setTransportTracerFactory(fakeClockTransportTracer)
.buildTransportServers(streamTracerFactories);
}
@Override
protected String testAuthority(InternalServer server) {
return "localhost:" + server.getListenSocketAddress();
}
@Override
protected void advanceClock(long offset, TimeUnit unit) {
fakeClock.forwardNanos(unit.toNanos(offset));
}
@Override
protected long fakeCurrentTimeNanos() {
return fakeClock.getTicker().read();
}
@Override
protected ManagedClientTransport newClientTransport(InternalServer server) {
return clientFactory.newClientTransport(
server.getListenSocketAddress(),
new ClientTransportFactory.ClientTransportOptions()
.setAuthority(testAuthority(server))
.setEagAttributes(eagAttrs()),
transportLogger());
}
@org.junit.Ignore
@org.junit.Test
@Override
public void clientChecksInboundMetadataSize_trailer() throws Exception {
// Server-side is flaky due to https://github.com/netty/netty/pull/8332
}
@Test
public void channelHasUnresolvedHostname() throws Exception {
server = null;
ManagedChannel channel = NettyChannelBuilder
.forAddress(new InetSocketAddress("invalid", 1234))
.build();
grpcCleanupRule.register(channel);
try {
ClientCalls.blockingUnaryCall(channel, TestMethodDescriptors.voidMethod(),
CallOptions.DEFAULT, null);
fail("exception should have been thrown");
} catch (StatusRuntimeException e) {
Status status = e.getStatus();
assertEquals(Status.Code.UNAVAILABLE, status.getCode());
assertTrue(status.getCause() instanceof UnresolvedAddressException);
assertEquals("unresolved address", status.getDescription());
}
}
}