| /* |
| * 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 WARRANTIESOR 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.aries.jpa.impl; |
| |
| import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Semaphore; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.EntityManagerFactory; |
| |
| import org.apache.aries.jpa.support.impl.EMSupplierImpl; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class EmSupplierTest { |
| |
| @Test |
| public void lifeCycleTest() { |
| EntityManagerFactory emf = mockEmf(); |
| EMSupplierImpl emSupplier = new EMSupplierImpl(emf); |
| |
| Assert.assertNull("No EM may be present at start", emSupplier.get()); |
| |
| emSupplier.preCall(); |
| EntityManager em = emSupplier.get(); |
| Assert.assertNotNull("EM should be present after preCall", em); |
| emSupplier.preCall(); |
| Assert.assertSame("Same EM for inner preCall", em, emSupplier.get()); |
| |
| emSupplier.postCall(); |
| Assert.assertSame("EM must still be the same after inner postCall", em, emSupplier.get()); |
| |
| emSupplier.postCall(); |
| Assert.assertNull("EM must be null after outer postCall", emSupplier.get()); |
| |
| boolean clean = emSupplier.close(); |
| Assert.assertTrue("Shutdown should be clean", clean); |
| } |
| |
| private EntityManagerFactory mockEmf() { |
| EntityManagerFactory emf = mock(EntityManagerFactory.class); |
| EntityManager em = mock(EntityManager.class); |
| when(emf.createEntityManager()).thenReturn(em); |
| return emf; |
| } |
| |
| @Test |
| public void uncleanLifeCycleTest() { |
| EntityManagerFactory emf = mockEmf(); |
| EMSupplierImpl emSupplier = new EMSupplierImpl(emf); |
| emSupplier.setShutdownWait(100, MILLISECONDS); |
| emSupplier.preCall(); |
| boolean clean = emSupplier.close(); |
| Assert.assertFalse("Shutdown should be unclean", clean); |
| } |
| |
| @Test |
| public void asyncCleanLifeCycleTest() throws InterruptedException { |
| EntityManagerFactory emf = mockEmf(); |
| final EMSupplierImpl emSupplier = new EMSupplierImpl(emf); |
| final Semaphore preCallSem = new Semaphore(0); |
| Runnable command = new Runnable() { |
| |
| @Override |
| public void run() { |
| emSupplier.preCall(); |
| preCallSem.release(); |
| emSupplier.postCall(); |
| } |
| }; |
| Executors.newSingleThreadExecutor().execute(command); |
| preCallSem.acquire(); |
| // EMs not closed when close is called but are closed before timeout |
| boolean clean = emSupplier.close(); |
| Assert.assertTrue("Shutdown should be clean", clean); |
| } |
| |
| } |