samza-core/src/test/java/org/apache/samza/container/TestSamzaUncaughtExceptionHandler.java

/*
 * 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.samza.container;

import org.apache.samza.SamzaException;
import org.apache.samza.util.SamzaUncaughtExceptionHandler;
import org.junit.Test;

import java.util.concurrent.atomic.AtomicBoolean;

import static org.junit.Assert.assertTrue;

public class TestSamzaUncaughtExceptionHandler {

  @Test
  public void testExceptionHandler() {
    final AtomicBoolean exitCalled = new AtomicBoolean(false);
    Thread.UncaughtExceptionHandler exceptionHandler =
        new SamzaUncaughtExceptionHandler(() -> exitCalled.getAndSet(true));
    exceptionHandler.uncaughtException(Thread.currentThread(), new SamzaException());
    assertTrue(exitCalled.get());
  }
}