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;
  
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  
  import org.apache.beam.runners.dataflow.worker.util.common.worker.JvmRuntime;
  import org.junit.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /** Tests of {@link WorkerUncaughtExceptionHandler}. */
  public class WorkerUncaughtExceptionHandlerTest {
    private static final Logger LOG =
        LoggerFactory.getLogger(WorkerUncaughtExceptionHandlerTest.class);
  
    @Test
    public void testUncaughtExceptionHandlerForciblyHaltsRuntime() {
      JvmRuntime runtime = mock(JvmRuntime.class);
      WorkerUncaughtExceptionHandler handler = new WorkerUncaughtExceptionHandler(runtime, LOG);
  
      try {
        handler.uncaughtException(Thread.currentThread(), new Exception("oh noes!"));
      } catch (Exception e) {
        // Ignore any exceptions being thrown and validate that the runtime is halted below.
      }
      verify(runtime).halt(1);
    }
  }
  