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// Copyright 2017 The Bazel 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 com.google.devtools.build.lib.buildeventservice;
import static com.google.common.truth.Truth.assertThat;
import com.google.devtools.build.lib.buildeventservice.client.BuildEventServiceGrpcClient;
import com.google.devtools.build.v1.PublishBuildEventGrpc;
import com.google.devtools.build.v1.PublishBuildToolEventStreamRequest;
import com.google.devtools.build.v1.PublishBuildToolEventStreamResponse;
import io.grpc.ClientInterceptor;
import io.grpc.ManagedChannel;
import io.grpc.Metadata;
import io.grpc.Server;
import io.grpc.ServerCall;
import io.grpc.ServerCallHandler;
import io.grpc.ServerInterceptor;
import io.grpc.ServerInterceptors;
import io.grpc.ServerServiceDefinition;
import io.grpc.Status;
import io.grpc.StatusException;
import io.grpc.inprocess.InProcessChannelBuilder;
import io.grpc.inprocess.InProcessServerBuilder;
import io.grpc.stub.MetadataUtils;
import io.grpc.stub.StreamObserver;
import java.util.ArrayList;
import java.util.UUID;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests {@link BuildEventServiceGrpcClient}. */
@RunWith(JUnit4.class)
public class BuildEventServiceGrpcClientTest {
private static final PublishBuildEventGrpc.PublishBuildEventImplBase NOOP_SERVER =
new PublishBuildEventGrpc.PublishBuildEventImplBase() {
@Override
public StreamObserver<PublishBuildToolEventStreamRequest> publishBuildToolEventStream(
StreamObserver<PublishBuildToolEventStreamResponse> responseObserver) {
responseObserver.onCompleted();
return NULL_OBSERVER;
}
};
private static final StreamObserver<PublishBuildToolEventStreamRequest> NULL_OBSERVER =
new StreamObserver<PublishBuildToolEventStreamRequest>() {
@Override
public void onNext(PublishBuildToolEventStreamRequest value) {}
@Override
public void onError(Throwable t) {}
@Override
public void onCompleted() {}
};
private static final class TestServer implements AutoCloseable {
private final Server server;
private final ManagedChannel channel;
TestServer(Server server, ManagedChannel channel) {
this.server = server;
this.channel = channel;
}
ManagedChannel getChannel() {
return channel;
}
@Override
public void close() {
channel.shutdown();
server.shutdown();
}
}
/** Test helper that sets up a in-process test server. */
private static TestServer startTestServer(ServerServiceDefinition service) throws Exception {
String uniqueName = UUID.randomUUID().toString();
Server server =
InProcessServerBuilder.forName(uniqueName).directExecutor().addService(service).build();
server.start();
return new TestServer(
server, InProcessChannelBuilder.forName(uniqueName).directExecutor().build());
}
@Test
public void besHeaders() throws Exception {
ArrayList<Metadata> seenHeaders = new ArrayList<>();
try (TestServer server =
startTestServer(
ServerInterceptors.intercept(
NOOP_SERVER,
new ServerInterceptor() {
@Override
public <ReqT, RespT> ServerCall.Listener<ReqT> interceptCall(
ServerCall<ReqT, RespT> call,
Metadata headers,
ServerCallHandler<ReqT, RespT> next) {
synchronized (seenHeaders) {
seenHeaders.add(headers);
}
return next.startCall(call, headers);
}
}))) {
Metadata extraHeaders = new Metadata();
extraHeaders.put(Metadata.Key.of("metadata-foo", Metadata.ASCII_STRING_MARSHALLER), "bar");
ClientInterceptor interceptor = MetadataUtils.newAttachHeadersInterceptor(extraHeaders);
BuildEventServiceGrpcClient grpcClient =
new BuildEventServiceGrpcClient(
server.getChannel(),
null,
interceptor,
"testing/" + UUID.randomUUID(),
UUID.randomUUID());
assertThat(grpcClient.openStream(ack -> {}).getStatus().get()).isEqualTo(Status.OK);
assertThat(seenHeaders).hasSize(1);
Metadata headers = seenHeaders.get(0);
assertThat(headers.get(Metadata.Key.of("metadata-foo", Metadata.ASCII_STRING_MARSHALLER)))
.isEqualTo("bar");
}
}
@Test
public void immediateSuccess() throws Exception {
try (TestServer server = startTestServer(NOOP_SERVER.bindService())) {
assertThat(
new BuildEventServiceGrpcClient(
server.getChannel(),
null,
null,
"testing/" + UUID.randomUUID(),
UUID.randomUUID())
.openStream(ack -> {})
.getStatus()
.get())
.isEqualTo(Status.OK);
}
}
@Test
public void immediateFailure() throws Exception {
try (TestServer server =
startTestServer(
new PublishBuildEventGrpc.PublishBuildEventImplBase() {
@Override
public StreamObserver<PublishBuildToolEventStreamRequest> publishBuildToolEventStream(
StreamObserver<PublishBuildToolEventStreamResponse> responseObserver) {
responseObserver.onError(new StatusException(Status.INTERNAL));
return NULL_OBSERVER;
}
}.bindService())) {
assertThat(
new BuildEventServiceGrpcClient(
server.getChannel(),
null,
null,
"testing/" + UUID.randomUUID(),
UUID.randomUUID())
.openStream(ack -> {})
.getStatus()
.get())
.isEqualTo(Status.INTERNAL);
}
}
}