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AbstractInteropTest.java
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AbstractInteropTest.java
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/*
* Copyright 2014, gRPC Authors All rights reserved.
*
* 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.testing.integration;
import static com.google.common.truth.Truth.assertThat;
import static com.google.instrumentation.stats.ContextUtils.STATS_CONTEXT_KEY;
import static io.grpc.testing.integration.Messages.PayloadType.COMPRESSABLE;
import static io.opencensus.trace.unsafe.ContextUtils.CONTEXT_SPAN_KEY;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.timeout;
import com.google.auth.oauth2.AccessToken;
import com.google.auth.oauth2.ComputeEngineCredentials;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.auth.oauth2.OAuth2Credentials;
import com.google.auth.oauth2.ServiceAccountCredentials;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.SettableFuture;
import com.google.instrumentation.stats.RpcConstants;
import com.google.instrumentation.stats.StatsContextFactory;
import com.google.instrumentation.stats.TagKey;
import com.google.instrumentation.stats.TagValue;
import com.google.protobuf.BoolValue;
import com.google.protobuf.ByteString;
import com.google.protobuf.EmptyProtos.Empty;
import com.google.protobuf.MessageLite;
import io.grpc.CallOptions;
import io.grpc.Channel;
import io.grpc.ClientCall;
import io.grpc.ClientInterceptor;
import io.grpc.ClientInterceptors;
import io.grpc.ClientStreamTracer;
import io.grpc.Context;
import io.grpc.Grpc;
import io.grpc.ManagedChannel;
import io.grpc.Metadata;
import io.grpc.MethodDescriptor;
import io.grpc.Server;
import io.grpc.ServerCall;
import io.grpc.ServerCallHandler;
import io.grpc.ServerInterceptor;
import io.grpc.ServerInterceptors;
import io.grpc.ServerStreamTracer;
import io.grpc.Status;
import io.grpc.StatusRuntimeException;
import io.grpc.auth.MoreCallCredentials;
import io.grpc.internal.AbstractServerImplBuilder;
import io.grpc.internal.GrpcUtil;
import io.grpc.internal.testing.StatsTestUtils.FakeStatsContext;
import io.grpc.internal.testing.StatsTestUtils.FakeStatsContextFactory;
import io.grpc.internal.testing.StatsTestUtils.MetricsRecord;
import io.grpc.internal.testing.StatsTestUtils.MockableSpan;
import io.grpc.internal.testing.StatsTestUtils;
import io.grpc.internal.testing.TestClientStreamTracer;
import io.grpc.internal.testing.TestServerStreamTracer;
import io.grpc.internal.testing.TestStreamTracer;
import io.grpc.protobuf.ProtoUtils;
import io.grpc.stub.ClientCallStreamObserver;
import io.grpc.stub.ClientCalls;
import io.grpc.stub.MetadataUtils;
import io.grpc.stub.StreamObserver;
import io.grpc.testing.StreamRecorder;
import io.grpc.testing.TestUtils;
import io.grpc.testing.integration.Messages.EchoStatus;
import io.grpc.testing.integration.Messages.Payload;
import io.grpc.testing.integration.Messages.PayloadType;
import io.grpc.testing.integration.Messages.ResponseParameters;
import io.grpc.testing.integration.Messages.SimpleRequest;
import io.grpc.testing.integration.Messages.SimpleResponse;
import io.grpc.testing.integration.Messages.StreamingInputCallRequest;
import io.grpc.testing.integration.Messages.StreamingInputCallResponse;
import io.grpc.testing.integration.Messages.StreamingOutputCallRequest;
import io.grpc.testing.integration.Messages.StreamingOutputCallResponse;
import io.opencensus.trace.Span;
import io.opencensus.trace.unsafe.ContextUtils;
import java.io.IOException;
import java.io.InputStream;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import javax.net.ssl.SSLPeerUnverifiedException;
import javax.net.ssl.SSLSession;
import org.junit.After;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.Timeout;
import org.mockito.ArgumentCaptor;
import org.mockito.Mockito;
import org.mockito.verification.VerificationMode;
/**
* Abstract base class for all GRPC transport tests.
*
* <p> New tests should avoid using Mockito to support running on AppEngine.</p>
*/
public abstract class AbstractInteropTest {
@Rule public final Timeout globalTimeout = Timeout.seconds(30);
/** Must be at least {@link #unaryPayloadLength()}, plus some to account for encoding overhead. */
public static final int MAX_MESSAGE_SIZE = 16 * 1024 * 1024;
public static final Metadata.Key<Messages.SimpleContext> METADATA_KEY =
ProtoUtils.keyForProto(Messages.SimpleContext.getDefaultInstance());
private static final AtomicReference<ServerCall<?, ?>> serverCallCapture =
new AtomicReference<ServerCall<?, ?>>();
private static final AtomicReference<Metadata> requestHeadersCapture =
new AtomicReference<Metadata>();
private static final AtomicReference<Context> contextCapture =
new AtomicReference<Context>();
private static ScheduledExecutorService testServiceExecutor;
private static Server server;
private static final FakeStatsContextFactory clientStatsCtxFactory =
new FakeStatsContextFactory();
private static final FakeStatsContextFactory serverStatsCtxFactory =
new FakeStatsContextFactory();
private static final LinkedBlockingQueue<ServerStreamTracerInfo> serverStreamTracers =
new LinkedBlockingQueue<ServerStreamTracerInfo>();
private static final class ServerStreamTracerInfo {
final String fullMethodName;
final InteropServerStreamTracer tracer;
ServerStreamTracerInfo(String fullMethodName, InteropServerStreamTracer tracer) {
this.fullMethodName = fullMethodName;
this.tracer = tracer;
}
private static final class InteropServerStreamTracer extends TestServerStreamTracer {
private volatile Context contextCapture;
@Override
public Context filterContext(Context context) {
contextCapture = context;
return super.filterContext(context);
}
}
}
private static final ServerStreamTracer.Factory serverStreamTracerFactory =
new ServerStreamTracer.Factory() {
@Override
public ServerStreamTracer newServerStreamTracer(String fullMethodName, Metadata headers) {
ServerStreamTracerInfo.InteropServerStreamTracer tracer
= new ServerStreamTracerInfo.InteropServerStreamTracer();
serverStreamTracers.add(new ServerStreamTracerInfo(fullMethodName, tracer));
return tracer;
}
};
protected static final Empty EMPTY = Empty.getDefaultInstance();
protected static void startStaticServer(
AbstractServerImplBuilder<?> builder, ServerInterceptor ... interceptors) {
testServiceExecutor = Executors.newScheduledThreadPool(2);
List<ServerInterceptor> allInterceptors = ImmutableList.<ServerInterceptor>builder()
.add(TestUtils.recordServerCallInterceptor(serverCallCapture))
.add(TestUtils.recordRequestHeadersInterceptor(requestHeadersCapture))
.add(recordContextInterceptor(contextCapture))
.addAll(TestServiceImpl.interceptors())
.add(interceptors)
.build();
builder
.addService(
ServerInterceptors.intercept(
new TestServiceImpl(testServiceExecutor),
allInterceptors))
.addStreamTracerFactory(serverStreamTracerFactory);
io.grpc.internal.TestingAccessor.setStatsContextFactory(builder, serverStatsCtxFactory);
try {
server = builder.build().start();
} catch (IOException ex) {
throw new RuntimeException(ex);
}
}
protected static void stopStaticServer() {
server.shutdownNow();
testServiceExecutor.shutdown();
}
@VisibleForTesting
static int getPort() {
return server.getPort();
}
protected ManagedChannel channel;
protected TestServiceGrpc.TestServiceBlockingStub blockingStub;
protected TestServiceGrpc.TestServiceStub asyncStub;
private final LinkedBlockingQueue<TestClientStreamTracer> clientStreamTracers =
new LinkedBlockingQueue<TestClientStreamTracer>();
private final ClientStreamTracer.Factory clientStreamTracerFactory =
new ClientStreamTracer.Factory() {
@Override
public ClientStreamTracer newClientStreamTracer(CallOptions callOptions, Metadata headers) {
TestClientStreamTracer tracer = new TestClientStreamTracer();
clientStreamTracers.add(tracer);
return tracer;
}
};
private final ClientInterceptor tracerSetupInterceptor = new ClientInterceptor() {
@Override
public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall(
MethodDescriptor<ReqT, RespT> method, CallOptions callOptions, Channel next) {
return next.newCall(
method, callOptions.withStreamTracerFactory(clientStreamTracerFactory));
}
};
/**
* Must be called by the subclass setup method if overridden.
*/
@Before
public void setUp() {
channel = createChannel();
blockingStub =
TestServiceGrpc.newBlockingStub(channel).withInterceptors(tracerSetupInterceptor);
asyncStub = TestServiceGrpc.newStub(channel).withInterceptors(tracerSetupInterceptor);
requestHeadersCapture.set(null);
clientStatsCtxFactory.rolloverRecords();
serverStatsCtxFactory.rolloverRecords();
serverStreamTracers.clear();
}
/** Clean up. */
@After
public void tearDown() throws Exception {
if (channel != null) {
channel.shutdown();
}
}
protected abstract ManagedChannel createChannel();
protected final StatsContextFactory getClientStatsFactory() {
return clientStatsCtxFactory;
}
/**
* Return true if exact metric values should be checked.
*/
protected boolean metricsExpected() {
return true;
}
/**
* Return true if the server is in the same process as the test methods.
*/
protected boolean serverInProcess() {
return true;
}
@Test
public void emptyUnary() throws Exception {
assertEquals(EMPTY, blockingStub.emptyCall(EMPTY));
}
/** Sends a cacheable unary rpc using GET. Requires that the server is behind a caching proxy. */
public void cacheableUnary() {
// Set safe to true.
MethodDescriptor<SimpleRequest, SimpleResponse> safeCacheableUnaryCallMethod =
TestServiceGrpc.getCacheableUnaryCallMethod().toBuilder().setSafe(true).build();
// Set fake user IP since some proxies (GFE) won't cache requests from localhost.
Metadata.Key<String> userIpKey = Metadata.Key.of("x-user-ip", Metadata.ASCII_STRING_MARSHALLER);
Metadata metadata = new Metadata();
metadata.put(userIpKey, "1.2.3.4");
Channel channelWithUserIpKey =
ClientInterceptors.intercept(channel, MetadataUtils.newAttachHeadersInterceptor(metadata));
SimpleRequest requests1And2 =
SimpleRequest.newBuilder()
.setPayload(
Payload.newBuilder()
.setBody(ByteString.copyFromUtf8(String.valueOf(System.nanoTime()))))
.build();
SimpleRequest request3 =
SimpleRequest.newBuilder()
.setPayload(
Payload.newBuilder()
.setBody(ByteString.copyFromUtf8(String.valueOf(System.nanoTime()))))
.build();
SimpleResponse response1 =
ClientCalls.blockingUnaryCall(
channelWithUserIpKey, safeCacheableUnaryCallMethod, CallOptions.DEFAULT, requests1And2);
SimpleResponse response2 =
ClientCalls.blockingUnaryCall(
channelWithUserIpKey, safeCacheableUnaryCallMethod, CallOptions.DEFAULT, requests1And2);
SimpleResponse response3 =
ClientCalls.blockingUnaryCall(
channelWithUserIpKey, safeCacheableUnaryCallMethod, CallOptions.DEFAULT, request3);
assertEquals(response1, response2);
assertNotEquals(response1, response3);
}
@Test
public void largeUnary() throws Exception {
assumeEnoughMemory();
final SimpleRequest request = SimpleRequest.newBuilder()
.setResponseSize(314159)
.setResponseType(PayloadType.COMPRESSABLE)
.setPayload(Payload.newBuilder()
.setBody(ByteString.copyFrom(new byte[271828])))
.build();
final SimpleResponse goldenResponse = SimpleResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[314159])))
.build();
assertEquals(goldenResponse, blockingStub.unaryCall(request));
assertStatsTrace("grpc.testing.TestService/UnaryCall", Status.Code.OK,
Collections.singleton(request), Collections.singleton(goldenResponse));
}
/**
* Tests client per-message compression for unary calls. The Java API does not support inspecting
* a message's compression level, so this is primarily intended to run against a gRPC C++ server.
*/
public void clientCompressedUnary() throws Exception {
assumeEnoughMemory();
final SimpleRequest expectCompressedRequest =
SimpleRequest.newBuilder()
.setExpectCompressed(BoolValue.newBuilder().setValue(true))
.setResponseSize(314159)
.setPayload(Payload.newBuilder().setBody(ByteString.copyFrom(new byte[271828])))
.build();
final SimpleRequest expectUncompressedRequest =
SimpleRequest.newBuilder()
.setExpectCompressed(BoolValue.newBuilder().setValue(false))
.setResponseSize(314159)
.setPayload(Payload.newBuilder().setBody(ByteString.copyFrom(new byte[271828])))
.build();
final SimpleResponse goldenResponse =
SimpleResponse.newBuilder()
.setPayload(Payload.newBuilder().setBody(ByteString.copyFrom(new byte[314159])))
.build();
// Send a non-compressed message with expectCompress=true. Servers supporting this test case
// should return INVALID_ARGUMENT.
try {
blockingStub.unaryCall(expectCompressedRequest);
fail("expected INVALID_ARGUMENT");
} catch (StatusRuntimeException e) {
assertEquals(Status.INVALID_ARGUMENT.getCode(), e.getStatus().getCode());
}
assertStatsTrace("grpc.testing.TestService/UnaryCall", Status.Code.INVALID_ARGUMENT);
assertEquals(
goldenResponse, blockingStub.withCompression("gzip").unaryCall(expectCompressedRequest));
assertStatsTrace(
"grpc.testing.TestService/UnaryCall",
Status.Code.OK,
Collections.singleton(expectCompressedRequest),
Collections.singleton(goldenResponse));
assertEquals(goldenResponse, blockingStub.unaryCall(expectUncompressedRequest));
assertStatsTrace(
"grpc.testing.TestService/UnaryCall",
Status.Code.OK,
Collections.singleton(expectUncompressedRequest),
Collections.singleton(goldenResponse));
}
/**
* Tests if the server can send a compressed unary response. Ideally we would assert that the
* responses have the requested compression, but this is not supported by the API. Given a
* compliant server, this test will exercise the code path for receiving a compressed response but
* cannot itself verify that the response was compressed.
*/
@Test
public void serverCompressedUnary() throws Exception {
assumeEnoughMemory();
final SimpleRequest responseShouldBeCompressed =
SimpleRequest.newBuilder()
.setResponseCompressed(BoolValue.newBuilder().setValue(true))
.setResponseSize(314159)
.setPayload(Payload.newBuilder().setBody(ByteString.copyFrom(new byte[271828])))
.build();
final SimpleRequest responseShouldBeUncompressed =
SimpleRequest.newBuilder()
.setResponseCompressed(BoolValue.newBuilder().setValue(false))
.setResponseSize(314159)
.setPayload(Payload.newBuilder().setBody(ByteString.copyFrom(new byte[271828])))
.build();
final SimpleResponse goldenResponse =
SimpleResponse.newBuilder()
.setPayload(Payload.newBuilder().setBody(ByteString.copyFrom(new byte[314159])))
.build();
assertEquals(goldenResponse, blockingStub.unaryCall(responseShouldBeCompressed));
assertStatsTrace(
"grpc.testing.TestService/UnaryCall",
Status.Code.OK,
Collections.singleton(responseShouldBeCompressed),
Collections.singleton(goldenResponse));
assertEquals(goldenResponse, blockingStub.unaryCall(responseShouldBeUncompressed));
assertStatsTrace(
"grpc.testing.TestService/UnaryCall",
Status.Code.OK,
Collections.singleton(responseShouldBeUncompressed),
Collections.singleton(goldenResponse));
}
@Test
public void serverStreaming() throws Exception {
final StreamingOutputCallRequest request = StreamingOutputCallRequest.newBuilder()
.setResponseType(PayloadType.COMPRESSABLE)
.addResponseParameters(ResponseParameters.newBuilder()
.setSize(31415))
.addResponseParameters(ResponseParameters.newBuilder()
.setSize(9))
.addResponseParameters(ResponseParameters.newBuilder()
.setSize(2653))
.addResponseParameters(ResponseParameters.newBuilder()
.setSize(58979))
.build();
final List<StreamingOutputCallResponse> goldenResponses = Arrays.asList(
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[31415])))
.build(),
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[9])))
.build(),
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[2653])))
.build(),
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[58979])))
.build());
StreamRecorder<StreamingOutputCallResponse> recorder = StreamRecorder.create();
asyncStub.streamingOutputCall(request, recorder);
recorder.awaitCompletion();
assertSuccess(recorder);
assertEquals(goldenResponses, recorder.getValues());
}
@Test
public void clientStreaming() throws Exception {
final List<StreamingInputCallRequest> requests = Arrays.asList(
StreamingInputCallRequest.newBuilder()
.setPayload(Payload.newBuilder()
.setBody(ByteString.copyFrom(new byte[27182])))
.build(),
StreamingInputCallRequest.newBuilder()
.setPayload(Payload.newBuilder()
.setBody(ByteString.copyFrom(new byte[8])))
.build(),
StreamingInputCallRequest.newBuilder()
.setPayload(Payload.newBuilder()
.setBody(ByteString.copyFrom(new byte[1828])))
.build(),
StreamingInputCallRequest.newBuilder()
.setPayload(Payload.newBuilder()
.setBody(ByteString.copyFrom(new byte[45904])))
.build());
final StreamingInputCallResponse goldenResponse = StreamingInputCallResponse.newBuilder()
.setAggregatedPayloadSize(74922)
.build();
StreamRecorder<StreamingInputCallResponse> responseObserver = StreamRecorder.create();
StreamObserver<StreamingInputCallRequest> requestObserver =
asyncStub.streamingInputCall(responseObserver);
for (StreamingInputCallRequest request : requests) {
requestObserver.onNext(request);
}
requestObserver.onCompleted();
assertEquals(goldenResponse, responseObserver.firstValue().get());
responseObserver.awaitCompletion();
}
/**
* Tests client per-message compression for streaming calls. The Java API does not support
* inspecting a message's compression level, so this is primarily intended to run against a gRPC
* C++ server.
*/
public void clientCompressedStreaming() throws Exception {
final StreamingInputCallRequest expectCompressedRequest =
StreamingInputCallRequest.newBuilder()
.setExpectCompressed(BoolValue.newBuilder().setValue(true))
.setPayload(Payload.newBuilder().setBody(ByteString.copyFrom(new byte[27182])))
.build();
final StreamingInputCallRequest expectUncompressedRequest =
StreamingInputCallRequest.newBuilder()
.setExpectCompressed(BoolValue.newBuilder().setValue(false))
.setPayload(Payload.newBuilder().setBody(ByteString.copyFrom(new byte[45904])))
.build();
final StreamingInputCallResponse goldenResponse =
StreamingInputCallResponse.newBuilder().setAggregatedPayloadSize(73086).build();
StreamRecorder<StreamingInputCallResponse> responseObserver = StreamRecorder.create();
StreamObserver<StreamingInputCallRequest> requestObserver =
asyncStub.streamingInputCall(responseObserver);
// Send a non-compressed message with expectCompress=true. Servers supporting this test case
// should return INVALID_ARGUMENT.
requestObserver.onNext(expectCompressedRequest);
responseObserver.awaitCompletion(operationTimeoutMillis(), TimeUnit.MILLISECONDS);
Throwable e = responseObserver.getError();
assertNotNull("expected INVALID_ARGUMENT", e);
assertEquals(Status.INVALID_ARGUMENT.getCode(), Status.fromThrowable(e).getCode());
// Start a new stream
responseObserver = StreamRecorder.create();
@SuppressWarnings("unchecked")
ClientCallStreamObserver<StreamingInputCallRequest> clientCallStreamObserver =
(ClientCallStreamObserver)
asyncStub.withCompression("gzip").streamingInputCall(responseObserver);
clientCallStreamObserver.setMessageCompression(true);
clientCallStreamObserver.onNext(expectCompressedRequest);
clientCallStreamObserver.setMessageCompression(false);
clientCallStreamObserver.onNext(expectUncompressedRequest);
clientCallStreamObserver.onCompleted();
responseObserver.awaitCompletion();
assertSuccess(responseObserver);
assertEquals(goldenResponse, responseObserver.firstValue().get());
}
/**
* Tests server per-message compression in a streaming response. Ideally we would assert that the
* responses have the requested compression, but this is not supported by the API. Given a
* compliant server, this test will exercise the code path for receiving a compressed response but
* cannot itself verify that the response was compressed.
*/
public void serverCompressedStreaming() throws Exception {
final StreamingOutputCallRequest request =
StreamingOutputCallRequest.newBuilder()
.addResponseParameters(
ResponseParameters.newBuilder()
.setCompressed(BoolValue.newBuilder().setValue(true))
.setSize(31415))
.addResponseParameters(
ResponseParameters.newBuilder()
.setCompressed(BoolValue.newBuilder().setValue(false))
.setSize(92653))
.build();
final List<StreamingOutputCallResponse> goldenResponses =
Arrays.asList(
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder().setBody(ByteString.copyFrom(new byte[31415])))
.build(),
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder().setBody(ByteString.copyFrom(new byte[92653])))
.build());
StreamRecorder<StreamingOutputCallResponse> recorder = StreamRecorder.create();
asyncStub.streamingOutputCall(request, recorder);
recorder.awaitCompletion();
assertSuccess(recorder);
assertEquals(goldenResponses, recorder.getValues());
}
@Test
public void pingPong() throws Exception {
final List<StreamingOutputCallRequest> requests = Arrays.asList(
StreamingOutputCallRequest.newBuilder()
.addResponseParameters(ResponseParameters.newBuilder()
.setSize(31415))
.setPayload(Payload.newBuilder()
.setBody(ByteString.copyFrom(new byte[27182])))
.build(),
StreamingOutputCallRequest.newBuilder()
.addResponseParameters(ResponseParameters.newBuilder()
.setSize(9))
.setPayload(Payload.newBuilder()
.setBody(ByteString.copyFrom(new byte[8])))
.build(),
StreamingOutputCallRequest.newBuilder()
.addResponseParameters(ResponseParameters.newBuilder()
.setSize(2653))
.setPayload(Payload.newBuilder()
.setBody(ByteString.copyFrom(new byte[1828])))
.build(),
StreamingOutputCallRequest.newBuilder()
.addResponseParameters(ResponseParameters.newBuilder()
.setSize(58979))
.setPayload(Payload.newBuilder()
.setBody(ByteString.copyFrom(new byte[45904])))
.build());
final List<StreamingOutputCallResponse> goldenResponses = Arrays.asList(
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[31415])))
.build(),
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[9])))
.build(),
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[2653])))
.build(),
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[58979])))
.build());
final ArrayBlockingQueue<Object> queue = new ArrayBlockingQueue<Object>(5);
StreamObserver<StreamingOutputCallRequest> requestObserver
= asyncStub.fullDuplexCall(new StreamObserver<StreamingOutputCallResponse>() {
@Override
public void onNext(StreamingOutputCallResponse response) {
queue.add(response);
}
@Override
public void onError(Throwable t) {
queue.add(t);
}
@Override
public void onCompleted() {
queue.add("Completed");
}
});
for (int i = 0; i < requests.size(); i++) {
assertNull(queue.peek());
requestObserver.onNext(requests.get(i));
assertEquals(goldenResponses.get(i),
queue.poll(operationTimeoutMillis(), TimeUnit.MILLISECONDS));
}
requestObserver.onCompleted();
assertEquals("Completed", queue.poll(operationTimeoutMillis(), TimeUnit.MILLISECONDS));
}
@Test
public void emptyStream() throws Exception {
StreamRecorder<StreamingOutputCallResponse> responseObserver = StreamRecorder.create();
StreamObserver<StreamingOutputCallRequest> requestObserver
= asyncStub.fullDuplexCall(responseObserver);
requestObserver.onCompleted();
responseObserver.awaitCompletion(operationTimeoutMillis(), TimeUnit.MILLISECONDS);
}
@Test
public void cancelAfterBegin() throws Exception {
StreamRecorder<StreamingInputCallResponse> responseObserver = StreamRecorder.create();
StreamObserver<StreamingInputCallRequest> requestObserver =
asyncStub.streamingInputCall(responseObserver);
requestObserver.onError(new RuntimeException());
responseObserver.awaitCompletion();
assertEquals(Arrays.<StreamingInputCallResponse>asList(), responseObserver.getValues());
assertEquals(Status.Code.CANCELLED,
Status.fromThrowable(responseObserver.getError()).getCode());
if (metricsExpected()) {
// CensusStreamTracerModule record final status in the interceptor, thus is guaranteed to be
// recorded. The tracer stats rely on the stream being created, which is not always the case
// in this test. Therefore we don't check the tracer stats.
MetricsRecord clientRecord = clientStatsCtxFactory.pollRecord(5, TimeUnit.SECONDS);
checkTags(
clientRecord, false, "grpc.testing.TestService/StreamingInputCall",
Status.CANCELLED.getCode());
// Do not check server-side metrics, because the status on the server side is undetermined.
}
}
@Test
public void cancelAfterFirstResponse() throws Exception {
final StreamingOutputCallRequest request = StreamingOutputCallRequest.newBuilder()
.addResponseParameters(ResponseParameters.newBuilder()
.setSize(31415))
.setPayload(Payload.newBuilder()
.setBody(ByteString.copyFrom(new byte[27182])))
.build();
final StreamingOutputCallResponse goldenResponse = StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[31415])))
.build();
StreamRecorder<StreamingOutputCallResponse> responseObserver = StreamRecorder.create();
StreamObserver<StreamingOutputCallRequest> requestObserver
= asyncStub.fullDuplexCall(responseObserver);
requestObserver.onNext(request);
assertEquals(goldenResponse, responseObserver.firstValue().get());
requestObserver.onError(new RuntimeException());
responseObserver.awaitCompletion(operationTimeoutMillis(), TimeUnit.MILLISECONDS);
assertEquals(1, responseObserver.getValues().size());
assertEquals(Status.Code.CANCELLED,
Status.fromThrowable(responseObserver.getError()).getCode());
assertStatsTrace("grpc.testing.TestService/FullDuplexCall", Status.Code.CANCELLED);
}
@Test
public void fullDuplexCallShouldSucceed() throws Exception {
// Build the request.
List<Integer> responseSizes = Arrays.asList(50, 100, 150, 200);
StreamingOutputCallRequest.Builder streamingOutputBuilder =
StreamingOutputCallRequest.newBuilder();
streamingOutputBuilder.setResponseType(COMPRESSABLE);
for (Integer size : responseSizes) {
streamingOutputBuilder.addResponseParametersBuilder().setSize(size).setIntervalUs(0);
}
final StreamingOutputCallRequest request = streamingOutputBuilder.build();
StreamRecorder<StreamingOutputCallResponse> recorder = StreamRecorder.create();
StreamObserver<StreamingOutputCallRequest> requestStream =
asyncStub.fullDuplexCall(recorder);
final int numRequests = 10;
List<StreamingOutputCallRequest> requests =
new ArrayList<StreamingOutputCallRequest>(numRequests);
for (int ix = numRequests; ix > 0; --ix) {
requests.add(request);
requestStream.onNext(request);
}
requestStream.onCompleted();
recorder.awaitCompletion();
assertSuccess(recorder);
assertEquals(responseSizes.size() * numRequests, recorder.getValues().size());
for (int ix = 0; ix < recorder.getValues().size(); ++ix) {
StreamingOutputCallResponse response = recorder.getValues().get(ix);
assertEquals(COMPRESSABLE, response.getPayload().getType());
int length = response.getPayload().getBody().size();
int expectedSize = responseSizes.get(ix % responseSizes.size());
assertEquals("comparison failed at index " + ix, expectedSize, length);
}
assertStatsTrace("grpc.testing.TestService/FullDuplexCall", Status.Code.OK, requests,
recorder.getValues());
}
@Test
public void halfDuplexCallShouldSucceed() throws Exception {
// Build the request.
List<Integer> responseSizes = Arrays.asList(50, 100, 150, 200);
StreamingOutputCallRequest.Builder streamingOutputBuilder =
StreamingOutputCallRequest.newBuilder();
streamingOutputBuilder.setResponseType(COMPRESSABLE);
for (Integer size : responseSizes) {
streamingOutputBuilder.addResponseParametersBuilder().setSize(size).setIntervalUs(0);
}
final StreamingOutputCallRequest request = streamingOutputBuilder.build();
StreamRecorder<StreamingOutputCallResponse> recorder = StreamRecorder.create();
StreamObserver<StreamingOutputCallRequest> requestStream = asyncStub.halfDuplexCall(recorder);
final int numRequests = 10;
List<StreamingOutputCallRequest> requests =
new ArrayList<StreamingOutputCallRequest>(numRequests);
for (int ix = numRequests; ix > 0; --ix) {
requests.add(request);
requestStream.onNext(request);
}
requestStream.onCompleted();
recorder.awaitCompletion();
assertSuccess(recorder);
assertEquals(responseSizes.size() * numRequests, recorder.getValues().size());
for (int ix = 0; ix < recorder.getValues().size(); ++ix) {
StreamingOutputCallResponse response = recorder.getValues().get(ix);
assertEquals(COMPRESSABLE, response.getPayload().getType());
int length = response.getPayload().getBody().size();
int expectedSize = responseSizes.get(ix % responseSizes.size());
assertEquals("comparison failed at index " + ix, expectedSize, length);
}
}
@Test
public void serverStreamingShouldBeFlowControlled() throws Exception {
final StreamingOutputCallRequest request = StreamingOutputCallRequest.newBuilder()
.setResponseType(COMPRESSABLE)
.addResponseParameters(ResponseParameters.newBuilder().setSize(100000))
.addResponseParameters(ResponseParameters.newBuilder().setSize(100001))
.build();
final List<StreamingOutputCallResponse> goldenResponses = Arrays.asList(
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[100000]))).build(),
StreamingOutputCallResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[100001]))).build());
long start = System.nanoTime();
final ArrayBlockingQueue<Object> queue = new ArrayBlockingQueue<Object>(10);
ClientCall<StreamingOutputCallRequest, StreamingOutputCallResponse> call =
channel.newCall(TestServiceGrpc.getStreamingOutputCallMethod(), CallOptions.DEFAULT);
call.start(new ClientCall.Listener<StreamingOutputCallResponse>() {
@Override
public void onHeaders(Metadata headers) {}
@Override
public void onMessage(final StreamingOutputCallResponse message) {
queue.add(message);
}
@Override
public void onClose(Status status, Metadata trailers) {
queue.add(status);
}
}, new Metadata());
call.sendMessage(request);
call.halfClose();
// Time how long it takes to get the first response.
call.request(1);
assertEquals(goldenResponses.get(0),
queue.poll(operationTimeoutMillis(), TimeUnit.MILLISECONDS));
long firstCallDuration = System.nanoTime() - start;
// Without giving additional flow control, make sure that we don't get another response. We wait
// until we are comfortable the next message isn't coming. We may have very low nanoTime
// resolution (like on Windows) or be using a testing, in-process transport where message
// handling is instantaneous. In both cases, firstCallDuration may be 0, so round up sleep time
// to at least 1ms.
assertNull(queue.poll(Math.max(firstCallDuration * 4, 1 * 1000 * 1000), TimeUnit.NANOSECONDS));
// Make sure that everything still completes.
call.request(1);
assertEquals(goldenResponses.get(1),
queue.poll(operationTimeoutMillis(), TimeUnit.MILLISECONDS));
assertEquals(Status.OK, queue.poll(operationTimeoutMillis(), TimeUnit.MILLISECONDS));
}
@Test
public void veryLargeRequest() throws Exception {
assumeEnoughMemory();
final SimpleRequest request = SimpleRequest.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[unaryPayloadLength()])))
.setResponseSize(10)
.setResponseType(PayloadType.COMPRESSABLE)
.build();
final SimpleResponse goldenResponse = SimpleResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[10])))
.build();
assertEquals(goldenResponse, blockingStub.unaryCall(request));
}
@Test
public void veryLargeResponse() throws Exception {
assumeEnoughMemory();
final SimpleRequest request = SimpleRequest.newBuilder()
.setResponseSize(unaryPayloadLength())
.setResponseType(PayloadType.COMPRESSABLE)
.build();
final SimpleResponse goldenResponse = SimpleResponse.newBuilder()
.setPayload(Payload.newBuilder()
.setType(PayloadType.COMPRESSABLE)
.setBody(ByteString.copyFrom(new byte[unaryPayloadLength()])))
.build();
assertEquals(goldenResponse, blockingStub.unaryCall(request));
}
@Test
public void exchangeMetadataUnaryCall() throws Exception {
TestServiceGrpc.TestServiceBlockingStub stub = blockingStub;
// Capture the metadata exchange
Metadata fixedHeaders = new Metadata();
// Send a context proto (as it's in the default extension registry)
Messages.SimpleContext contextValue =
Messages.SimpleContext.newBuilder().setValue("dog").build();
fixedHeaders.put(METADATA_KEY, contextValue);
stub = MetadataUtils.attachHeaders(stub, fixedHeaders);
// .. and expect it to be echoed back in trailers
AtomicReference<Metadata> trailersCapture = new AtomicReference<Metadata>();
AtomicReference<Metadata> headersCapture = new AtomicReference<Metadata>();
stub = MetadataUtils.captureMetadata(stub, headersCapture, trailersCapture);
assertNotNull(stub.emptyCall(EMPTY));
// Assert that our side channel object is echoed back in both headers and trailers
Assert.assertEquals(contextValue, headersCapture.get().get(METADATA_KEY));
Assert.assertEquals(contextValue, trailersCapture.get().get(METADATA_KEY));
}
@Test
public void exchangeMetadataStreamingCall() throws Exception {
TestServiceGrpc.TestServiceStub stub = asyncStub;
// Capture the metadata exchange
Metadata fixedHeaders = new Metadata();
// Send a context proto (as it's in the default extension registry)
Messages.SimpleContext contextValue =
Messages.SimpleContext.newBuilder().setValue("dog").build();
fixedHeaders.put(METADATA_KEY, contextValue);
stub = MetadataUtils.attachHeaders(stub, fixedHeaders);
// .. and expect it to be echoed back in trailers
AtomicReference<Metadata> trailersCapture = new AtomicReference<Metadata>();
AtomicReference<Metadata> headersCapture = new AtomicReference<Metadata>();
stub = MetadataUtils.captureMetadata(stub, headersCapture, trailersCapture);
List<Integer> responseSizes = Arrays.asList(50, 100, 150, 200);
Messages.StreamingOutputCallRequest.Builder streamingOutputBuilder =
Messages.StreamingOutputCallRequest.newBuilder();
streamingOutputBuilder.setResponseType(COMPRESSABLE);
for (Integer size : responseSizes) {
streamingOutputBuilder.addResponseParametersBuilder().setSize(size).setIntervalUs(0);
}
final Messages.StreamingOutputCallRequest request = streamingOutputBuilder.build();
StreamRecorder<Messages.StreamingOutputCallResponse> recorder = StreamRecorder.create();
StreamObserver<Messages.StreamingOutputCallRequest> requestStream =
stub.fullDuplexCall(recorder);
final int numRequests = 10;
List<StreamingOutputCallRequest> requests =
new ArrayList<StreamingOutputCallRequest>(numRequests);
for (int ix = numRequests; ix > 0; --ix) {
requests.add(request);
requestStream.onNext(request);
}
requestStream.onCompleted();
recorder.awaitCompletion();
assertSuccess(recorder);
org.junit.Assert.assertEquals(responseSizes.size() * numRequests, recorder.getValues().size());
// Assert that our side channel object is echoed back in both headers and trailers
Assert.assertEquals(contextValue, headersCapture.get().get(METADATA_KEY));
Assert.assertEquals(contextValue, trailersCapture.get().get(METADATA_KEY));
}
@Test
public void sendsTimeoutHeader() {
Assume.assumeTrue("can not capture request headers on server side", server != null);
long configuredTimeoutMinutes = 100;
TestServiceGrpc.TestServiceBlockingStub stub =
blockingStub.withDeadlineAfter(configuredTimeoutMinutes, TimeUnit.MINUTES);
stub.emptyCall(EMPTY);
long transferredTimeoutMinutes = TimeUnit.NANOSECONDS.toMinutes(
requestHeadersCapture.get().get(GrpcUtil.TIMEOUT_KEY));
Assert.assertTrue(
"configuredTimeoutMinutes=" + configuredTimeoutMinutes
+ ", transferredTimeoutMinutes=" + transferredTimeoutMinutes,
configuredTimeoutMinutes - transferredTimeoutMinutes >= 0
&& configuredTimeoutMinutes - transferredTimeoutMinutes <= 1);
}
@Test
public void deadlineNotExceeded() {