PersistenceAnnotationBeanPostProcessor correctly detects JPA 2.1 synchronization attribute

Issue: SPR-12396
(cherry picked from commit a181b40)

spring-orm/src/test/java/org/springframework/orm/jpa/support/PersistenceContextTransactionTests.java

@@ -0,0 +1,170 @@
+/*
+ * Copyright 2002-2014 the original author or authors.
+ *
+ * Licensed 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.springframework.orm.jpa.support;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.PersistenceContext;
+import javax.persistence.PersistenceContextType;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.springframework.orm.jpa.JpaTransactionManager;
+import org.springframework.transaction.TransactionDefinition;
+import org.springframework.transaction.TransactionStatus;
+import org.springframework.transaction.support.TransactionCallback;
+import org.springframework.transaction.support.TransactionSynchronizationManager;
+import org.springframework.transaction.support.TransactionTemplate;
+
+import static org.junit.Assert.*;
+import static org.mockito.BDDMockito.*;
+
+/**
+ * @author Juergen Hoeller
+ * @since 4.1.2
+ */
+public class PersistenceContextTransactionTests {
+
+	private EntityManagerFactory factory;
+
+	private EntityManager manager;
+
+	private EntityTransaction tx;
+
+	private TransactionTemplate tt;
+
+	private EntityManagerHoldingBean bean;
+
+
+	@Before
+	public void setUp() throws Exception {
+		factory = mock(EntityManagerFactory.class);
+		manager = mock(EntityManager.class);
+		tx = mock(EntityTransaction.class);
+
+		JpaTransactionManager tm = new JpaTransactionManager(factory);
+		tt = new TransactionTemplate(tm);
+
+		given(factory.createEntityManager()).willReturn(manager);
+		given(manager.getTransaction()).willReturn(tx);
+		given(manager.isOpen()).willReturn(true);
+
+		bean = new EntityManagerHoldingBean();
+		PersistenceAnnotationBeanPostProcessor pabpp = new PersistenceAnnotationBeanPostProcessor() {
+			@Override
+			protected EntityManagerFactory findEntityManagerFactory(String unitName, String requestingBeanName) {
+				return factory;
+			}
+		};
+		pabpp.postProcessPropertyValues(null, null, bean, "bean");
+
+		assertTrue(TransactionSynchronizationManager.getResourceMap().isEmpty());
+		assertFalse(TransactionSynchronizationManager.isSynchronizationActive());
+	}
+
+	@After
+	public void tearDown() throws Exception {
+		assertTrue(TransactionSynchronizationManager.getResourceMap().isEmpty());
+		assertFalse(TransactionSynchronizationManager.isSynchronizationActive());
+		assertFalse(TransactionSynchronizationManager.isCurrentTransactionReadOnly());
+		assertFalse(TransactionSynchronizationManager.isActualTransactionActive());
+	}
+
+
+	@Test
+	public void testTransactionCommitWithSharedEntityManager() {
+		given(manager.getTransaction()).willReturn(tx);
+
+		tt.execute(new TransactionCallback() {
+			@Override
+			public Object doInTransaction(TransactionStatus status) {
+				bean.sharedEntityManager.flush();
+				return null;
+			}
+		});
+
+		verify(tx).commit();
+		verify(manager).flush();
+		verify(manager).close();
+	}
+
+	@Test
+	public void testTransactionCommitWithSharedEntityManagerAndPropagationSupports() {
+		given(manager.isOpen()).willReturn(true);
+
+		tt.setPropagationBehavior(TransactionDefinition.PROPAGATION_SUPPORTS);
+
+		tt.execute(new TransactionCallback() {
+			@Override
+			public Object doInTransaction(TransactionStatus status) {
+				bean.sharedEntityManager.flush();
+				return null;
+			}
+		});
+
+		verify(manager).flush();
+		verify(manager).close();
+	}
+
+	@Test
+	public void testTransactionCommitWithExtendedEntityManager() {
+		given(manager.getTransaction()).willReturn(tx);
+
+		tt.execute(new TransactionCallback() {
+			@Override
+			public Object doInTransaction(TransactionStatus status) {
+				bean.extendedEntityManager.flush();
+				return null;
+			}
+		});
+
+		verify(tx, times(2)).commit();
+		verify(manager).flush();
+		verify(manager).close();
+	}
+
+	@Test
+	public void testTransactionCommitWithExtendedEntityManagerAndPropagationSupports() {
+		given(manager.isOpen()).willReturn(true);
+
+		tt.setPropagationBehavior(TransactionDefinition.PROPAGATION_SUPPORTS);
+
+		tt.execute(new TransactionCallback() {
+			@Override
+			public Object doInTransaction(TransactionStatus status) {
+				bean.extendedEntityManager.flush();
+				return null;
+			}
+		});
+
+		verify(manager).flush();
+	}
+
+
+	public static class EntityManagerHoldingBean {
+
+		@PersistenceContext
+		public EntityManager sharedEntityManager;
+
+		@PersistenceContext(type = PersistenceContextType.EXTENDED)
+		public EntityManager extendedEntityManager;
+	}
+
+}