| /* |
| * 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.runtime; |
| |
| import com.google.common.collect.ImmutableMap; |
| import org.apache.samza.SamzaException; |
| import org.apache.samza.config.MapConfig; |
| import org.apache.samza.config.TaskConfig; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| import static org.mockito.Mockito.*; |
| |
| |
| public class TestClusterBasedProcessorLifecycleListener { |
| private ClusterBasedProcessorLifecycleListener clusterBasedProcessorLifecycleListener; |
| private ProcessorLifecycleListener processorLifecycleListener; |
| private Runnable mockShutdownHookCallback; |
| |
| @Before |
| public void setup() { |
| mockShutdownHookCallback = mock(Runnable.class); |
| processorLifecycleListener = mock(ProcessorLifecycleListener.class); |
| clusterBasedProcessorLifecycleListener = |
| spy(new ClusterBasedProcessorLifecycleListener(new MapConfig(ImmutableMap.of(TaskConfig.TASK_SHUTDOWN_MS, "30000")), |
| processorLifecycleListener, mockShutdownHookCallback)); |
| doNothing().when(clusterBasedProcessorLifecycleListener).addJVMShutdownHook(any(Thread.class)); |
| doNothing().when(clusterBasedProcessorLifecycleListener).removeJVMShutdownHook(any(Thread.class)); |
| } |
| |
| @Test |
| public void testLifecycleListenerBeforeStart() { |
| clusterBasedProcessorLifecycleListener.beforeStart(); |
| |
| Mockito.verify(clusterBasedProcessorLifecycleListener).addJVMShutdownHook(any(Thread.class)); |
| Mockito.verify(processorLifecycleListener).beforeStart(); |
| } |
| |
| @Test |
| public void testLifecycleListenerAfterStart() { |
| clusterBasedProcessorLifecycleListener.afterStart(); |
| Mockito.verify(processorLifecycleListener).afterStart(); |
| } |
| |
| @Test |
| public void testLifecycleListenerAfterStop() { |
| clusterBasedProcessorLifecycleListener.afterStop(); |
| Mockito.verify(processorLifecycleListener).afterStop(); |
| Mockito.verify(clusterBasedProcessorLifecycleListener).removeJVMShutdownHook(any(Thread.class)); |
| } |
| |
| @Test |
| public void testLifecycleListenerAfterFailure() { |
| SamzaException e = new SamzaException("Should call afterFailure"); |
| clusterBasedProcessorLifecycleListener.afterFailure(e); |
| Mockito.verify(processorLifecycleListener).afterFailure(e); |
| Mockito.verify(clusterBasedProcessorLifecycleListener).removeJVMShutdownHook(any(Thread.class)); |
| } |
| |
| @Test |
| public void testShutdownHookInvokesShutdownHookCallback() { |
| doAnswer(invocation -> { |
| // Simulate call to container.shutdown() |
| clusterBasedProcessorLifecycleListener.afterStop(); |
| return null; |
| }).when(mockShutdownHookCallback).run(); |
| |
| // call beforeStart to setup shutdownHook |
| clusterBasedProcessorLifecycleListener.beforeStart(); |
| |
| // Simulating shutdown hook invocation by JVM. |
| // The shutdownHookThread should return immediately and shutdown |
| // cleanly if mockShutdownHookCallback.run() is invoked. |
| clusterBasedProcessorLifecycleListener.getShutdownHookThread().run(); |
| Mockito.verify(mockShutdownHookCallback).run(); |
| } |
| } |