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Support BinderChannelBuilder.forTarget.
Allows this class to be used with custom name resolvers. Add a test case for this to BinderChannelSmokeTest, and also a test for InProcessServers via forTarget.
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109 changes: 109 additions & 0 deletions
109
core/src/test/java/io/grpc/inprocess/AnonymousServerTest.java
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| @@ -0,0 +1,109 @@ | ||
| /* | ||
| * Copyright 2021 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. | ||
| */ | ||
|
|
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| package io.grpc.inprocess; | ||
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| import static com.google.common.truth.Truth.assertThat; | ||
| import static java.util.concurrent.TimeUnit.SECONDS; | ||
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| import com.google.common.util.concurrent.Futures; | ||
| import com.google.common.util.concurrent.ListenableFuture; | ||
| import io.grpc.CallOptions; | ||
| import io.grpc.MethodDescriptor; | ||
| import io.grpc.Channel; | ||
| import io.grpc.Server; | ||
| import io.grpc.ServerCallHandler; | ||
| import io.grpc.ServerServiceDefinition; | ||
| import io.grpc.ServerStreamTracer; | ||
| import io.grpc.StringMarshaller; | ||
| import io.grpc.internal.GrpcUtil; | ||
| import io.grpc.internal.InternalServer; | ||
| import io.grpc.internal.ManagedClientTransport; | ||
| import io.grpc.stub.ClientCalls; | ||
| import io.grpc.stub.ServerCalls; | ||
| import io.grpc.stub.StreamObserver; | ||
| import io.grpc.testing.FakeNameResolverProvider; | ||
| import java.util.List; | ||
| import java.util.concurrent.Executors; | ||
| import org.junit.Before; | ||
| import org.junit.After; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.junit.runners.JUnit4; | ||
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| /** Unit tests for anonymous in-process servers. */ | ||
| @RunWith(JUnit4.class) | ||
| public final class AnonymousServerTest { | ||
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| private AnonymousInProcessSocketAddress serverAddress = new AnonymousInProcessSocketAddress(); | ||
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| private final MethodDescriptor<String, String> method = | ||
| MethodDescriptor.newBuilder(StringMarshaller.INSTANCE, StringMarshaller.INSTANCE) | ||
| .setFullMethodName("test/method") | ||
| .setType(MethodDescriptor.MethodType.UNARY) | ||
| .build(); | ||
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| private Server server; | ||
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| @Before | ||
| public void setUp() throws Exception { | ||
| ServerCallHandler<String, String> callHandler = | ||
| ServerCalls.asyncUnaryCall( | ||
| new ServerCalls.UnaryMethod<String, String>() { | ||
| @Override | ||
| public void invoke(String request, StreamObserver<String> responseObserver) { | ||
| responseObserver.onNext(request); | ||
| responseObserver.onCompleted(); | ||
| } | ||
| }); | ||
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| ServerServiceDefinition serviceDef = | ||
| ServerServiceDefinition.builder("test") | ||
| .addMethod(method, callHandler) | ||
| .build(); | ||
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| server = InProcessServerBuilder.forAddress(serverAddress) | ||
| .addService(serviceDef) | ||
| .build(); | ||
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| server.start(); | ||
| } | ||
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| @Test | ||
| public void testCall() throws Exception { | ||
| Channel channel = InProcessChannelBuilder.forAddress(serverAddress).build(); | ||
| assertThat(doCall(channel, "Hello").get()).isEqualTo("Hello"); | ||
| } | ||
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| @Test | ||
| public void testCallViaTargetUri() throws Exception { | ||
| String targetUri = "fake://server"; | ||
| FakeNameResolverProvider.register(targetUri, serverAddress); | ||
| Channel channel = InProcessChannelBuilder.forTarget(targetUri).build(); | ||
| assertThat(doCall(channel, "Hello you faker you").get()).isEqualTo("Hello you faker you"); | ||
| } | ||
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| @After | ||
| public void tearDown() throws InterruptedException { | ||
| server.shutdownNow(); | ||
| } | ||
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| private ListenableFuture<String> doCall(Channel channel, String request) { | ||
| return Futures.withTimeout( | ||
| ClientCalls.futureUnaryCall(channel.newCall(method, CallOptions.DEFAULT), request), | ||
| 5L, SECONDS, Executors.newSingleThreadScheduledExecutor()); | ||
| } | ||
| } |
112 changes: 112 additions & 0 deletions
112
testing/src/main/java/io/grpc/testing/FakeNameResolverProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* | ||
| * Copyright 2021 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. | ||
| */ | ||
|
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| package io.grpc.testing; | ||
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| import static com.google.common.base.Preconditions.checkArgument; | ||
| import static com.google.common.base.Preconditions.checkNotNull; | ||
| import static com.google.common.base.Preconditions.checkState; | ||
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| import com.google.common.collect.ImmutableList; | ||
| import io.grpc.EquivalentAddressGroup; | ||
| import io.grpc.NameResolver; | ||
| import io.grpc.NameResolver.Args; | ||
| import io.grpc.NameResolverProvider; | ||
| import io.grpc.NameResolverRegistry; | ||
| import io.grpc.Status; | ||
| import java.net.SocketAddress; | ||
| import java.net.URI; | ||
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| /** A name resolver to always resolve the given URI into the given address. */ | ||
| public final class FakeNameResolverProvider extends NameResolverProvider { | ||
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| private final URI targetUri; | ||
| private final SocketAddress address; | ||
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| /** | ||
| * Register a new resolver. | ||
| * | ||
| * @param targetUri The URI to resolve when requested. | ||
| * @param address The address to return for the target URI. | ||
| */ | ||
| public static final void register(String targetUri, SocketAddress address) { | ||
| NameResolverRegistry.getDefaultRegistry().register( | ||
| new FakeNameResolverProvider(URI.create(targetUri), address)); | ||
| } | ||
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| private FakeNameResolverProvider(URI targetUri, SocketAddress address) { | ||
| this.targetUri = targetUri; | ||
| this.address = address; | ||
| } | ||
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| @Override | ||
| public NameResolver newNameResolver(URI targetUri, Args args) { | ||
| if (targetUri.equals(this.targetUri)) { | ||
| return new FakeNameResolver(address); | ||
| } | ||
| return null; | ||
| } | ||
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| @Override | ||
| protected boolean isAvailable() { | ||
| return true; | ||
| } | ||
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| @Override | ||
| protected int priority() { | ||
| return 5; // Default | ||
| } | ||
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| @Override | ||
| public String getDefaultScheme() { | ||
| return targetUri.getScheme(); | ||
| } | ||
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| /** A single name resolver. */ | ||
| private static final class FakeNameResolver extends NameResolver { | ||
| private static final String AUTHORITY = "fake-authority"; | ||
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| private final SocketAddress address; | ||
| private volatile boolean shutdown; | ||
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| private FakeNameResolver(SocketAddress address) { | ||
| this.address = address; | ||
| } | ||
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| @Override | ||
| public void start(Listener2 listener) { | ||
| if (shutdown) { | ||
| listener.onError(Status.FAILED_PRECONDITION.withDescription("Resolver is shutdown")); | ||
| } else { | ||
| listener.onResult( | ||
| ResolutionResult.newBuilder() | ||
| .setAddresses(ImmutableList.of(new EquivalentAddressGroup(address))) | ||
| .build()); | ||
| } | ||
| } | ||
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| @Override | ||
| public String getServiceAuthority() { | ||
| return AUTHORITY; | ||
| } | ||
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| @Override | ||
| public void shutdown() { | ||
| shutdown = true; | ||
| } | ||
| } | ||
| } |