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.streaming;
  
  import static org.junit.Assert.assertTrue;
  import static org.mockito.Mockito.doAnswer;
  import static org.mockito.Mockito.doThrow;
  import static org.mockito.Mockito.mock;
  
  import java.util.concurrent.atomic.AtomicBoolean;
  import org.apache.beam.runners.core.metrics.ExecutionStateTracker;
  import org.apache.beam.runners.dataflow.worker.DataflowWorkExecutor;
  import org.apache.beam.runners.dataflow.worker.StreamingModeExecutionContext;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  @RunWith(JUnit4.class)
  public class ComputationWorkExecutorTest {
  
    private final DataflowWorkExecutor dataflowWorkExecutor = mock(DataflowWorkExecutor.class);
    private final StreamingModeExecutionContext context = mock(StreamingModeExecutionContext.class);
    private ComputationWorkExecutor computationWorkExecutor;
  
    @Before
    public void setUp() {
      computationWorkExecutor =
          ComputationWorkExecutor.builder()
              .setWorkExecutor(dataflowWorkExecutor)
              .setContext(context)
              .setExecutionStateTracker(mock(ExecutionStateTracker.class))
              .build();
    }
  
    @Test
    public void testInvalidate_withoutCallToStart() {
      // Call to invalidate w/o a call to start should not fail.
      computationWorkExecutor.invalidate();
    }
  
    @Test
    public void testInvalidate_handlesException() {
      AtomicBoolean verifyContextInvalidated = new AtomicBoolean(false);
      Throwable e = new RuntimeException("something bad happened 2");
      doThrow(e).when(dataflowWorkExecutor).close();
      doAnswer(
              ignored -> {
                verifyContextInvalidated.set(true);
                return null;
              })
          .when(context)
          .invalidateCache();
      computationWorkExecutor.invalidate();
      assertTrue(verifyContextInvalidated.get());
    }
  }
  