/
MutateRowsRetryTest.java
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/
MutateRowsRetryTest.java
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/*
* Copyright 2022 Google LLC
*
* 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
*
* https://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.cloud.bigtable.data.v2.stub.mutaterows;
import com.google.api.gax.core.NoCredentialsProvider;
import com.google.api.gax.grpc.GrpcStatusCode;
import com.google.api.gax.grpc.GrpcTransportChannel;
import com.google.api.gax.rpc.ApiException;
import com.google.api.gax.rpc.FixedTransportChannelProvider;
import com.google.api.gax.rpc.InternalException;
import com.google.bigtable.v2.BigtableGrpc;
import com.google.bigtable.v2.MutateRowsRequest;
import com.google.bigtable.v2.MutateRowsResponse;
import com.google.cloud.bigtable.data.v2.BigtableDataClient;
import com.google.cloud.bigtable.data.v2.BigtableDataSettings;
import com.google.cloud.bigtable.data.v2.models.BulkMutation;
import com.google.cloud.bigtable.data.v2.models.RowMutationEntry;
import com.google.common.collect.Queues;
import io.grpc.Status;
import io.grpc.StatusRuntimeException;
import io.grpc.stub.StreamObserver;
import io.grpc.testing.GrpcServerRule;
import java.io.IOException;
import java.util.Queue;
import java.util.concurrent.atomic.AtomicInteger;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class MutateRowsRetryTest {
@Rule public GrpcServerRule serverRule = new GrpcServerRule();
private FakeBigtableService service;
private BigtableDataClient client;
private AtomicInteger attemptCounter = new AtomicInteger();
@Before
public void setUp() throws IOException {
service = new FakeBigtableService();
serverRule.getServiceRegistry().addService(service);
BigtableDataSettings.Builder settings =
BigtableDataSettings.newBuilder()
.setProjectId("fake-project")
.setInstanceId("fake-instance")
.setCredentialsProvider(NoCredentialsProvider.create());
settings
.stubSettings()
.setTransportChannelProvider(
FixedTransportChannelProvider.create(
GrpcTransportChannel.create(serverRule.getChannel())))
// channel priming doesn't work with FixedTransportChannelProvider. Disable it for the test
.setRefreshingChannel(false)
.build();
this.client = BigtableDataClient.create(settings.build());
}
@Test
public void testRetryRstStream() {
ApiException exception =
new InternalException(
new StatusRuntimeException(
Status.INTERNAL.withDescription(
"INTERNAL: HTTP/2 error code: INTERNAL_ERROR\nReceived Rst Stream")),
GrpcStatusCode.of(Status.Code.INTERNAL),
false);
service.expectations.add(exception);
try {
client.bulkMutateRows(
BulkMutation.create("fake-table")
.add(RowMutationEntry.create("row-key-1").setCell("cf", "q", "v")));
} catch (ApiException e) {
Assert.fail("Rst stream errors should be retried");
}
Assert.assertEquals(attemptCounter.get(), 2);
}
private class FakeBigtableService extends BigtableGrpc.BigtableImplBase {
Queue<Exception> expectations = Queues.newArrayDeque();
@Override
public void mutateRows(
MutateRowsRequest request, StreamObserver<MutateRowsResponse> responseObserver) {
attemptCounter.incrementAndGet();
if (expectations.isEmpty()) {
MutateRowsResponse.Builder builder = MutateRowsResponse.newBuilder();
for (int i = 0; i < request.getEntriesCount(); i++) {
builder.addEntriesBuilder().setIndex(i);
}
responseObserver.onNext(builder.build());
responseObserver.onCompleted();
} else {
Exception expectedRpc = expectations.poll();
responseObserver.onError(expectedRpc);
}
}
}
}