content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.beam.runners.dataflow.worker.windmill.work.processing.failures;
  
  import static com.google.common.truth.Truth.assertThat;
  import static org.junit.Assert.assertTrue;
  
  import com.google.api.services.dataflow.model.Status;
  import com.google.common.truth.Correspondence;
  import com.google.rpc.Code;
  import org.apache.beam.runners.dataflow.worker.windmill.Windmill;
  import org.apache.beam.vendor.grpc.v1p69p0.com.google.protobuf.ByteString;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  @RunWith(JUnit4.class)
  public class StreamingEngineFailureTrackerTest {
  
    private static final String DEFAULT_COMPUTATION_ID = "computationId";
  
    private static FailureTracker streamingEngineFailureReporter() {
      return StreamingEngineFailureTracker.create(10, 10);
    }
  
    private static Windmill.WorkItem workItem() {
      return Windmill.WorkItem.newBuilder()
          .setKey(ByteString.EMPTY)
          .setWorkToken(1L)
          .setCacheToken(1L)
          .setShardingKey(1L)
          .build();
    }
  
    @Test
    public void testReportFailure_returnsTrue() {
      FailureTracker failureTracker = streamingEngineFailureReporter();
      assertTrue(
          failureTracker.trackFailure(DEFAULT_COMPUTATION_ID, workItem(), new RuntimeException()));
    }
  
    @Test
    public void testReportFailure_addsPendingErrors() {
      FailureTracker failureTracker = streamingEngineFailureReporter();
      failureTracker.trackFailure(DEFAULT_COMPUTATION_ID, workItem(), new RuntimeException());
      failureTracker.trackFailure(DEFAULT_COMPUTATION_ID, workItem(), new RuntimeException());
      failureTracker.trackFailure(DEFAULT_COMPUTATION_ID, workItem(), new RuntimeException());
  
      assertThat(failureTracker.drainPendingFailuresToReport()).hasSize(3);
    }
  
    @Test
    public void testGet_correctlyCreatesErrorStatus() {
      FailureTracker failureTracker = streamingEngineFailureReporter();
      RuntimeException error = new RuntimeException();
      failureTracker.trackFailure(DEFAULT_COMPUTATION_ID, workItem(), error);
      assertThat(failureTracker.drainPendingFailuresToReport())
          .comparingElementsUsing(
              Correspondence.from(
                  (Status a, Status b) ->
                      a.getCode().equals(b.getCode()) && a.getMessage().contains(b.getMessage()),
                  "Assert that both status codes are the same, and b contains a message."))
          .containsExactly(
              new Status().setCode(Code.UNKNOWN.getNumber()).setMessage(error.toString()));
    }
  
    @Test
    public void testGet_clearsPendingErrors() {
      FailureTracker failureTracker = streamingEngineFailureReporter();
      failureTracker.trackFailure(DEFAULT_COMPUTATION_ID, workItem(), new RuntimeException());
      failureTracker.trackFailure(DEFAULT_COMPUTATION_ID, workItem(), new RuntimeException());
  
      failureTracker.drainPendingFailuresToReport();
      assertThat(failureTracker.drainPendingFailuresToReport()).isEmpty();
    }
  }
  