Spring Framework example source code file (JpaTemplateTests.java)

This example Spring Framework source code file (JpaTemplateTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

arraylist, entitymanager, integer, jpacallback, list, mockcontrol, mockcontrol, object, object, persistenceexception, query, query, string, string, util

The Spring Framework JpaTemplateTests.java source code

/*
 * Copyright 2002-2006 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;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceException;
import javax.persistence.Query;

import junit.framework.TestCase;
import org.easymock.MockControl;

import org.springframework.dao.DataAccessException;
import org.springframework.transaction.support.TransactionSynchronizationManager;

/**
 * @author Costin Leau
 */
public class JpaTemplateTests extends TestCase {

	private JpaTemplate template;

	private MockControl factoryControl, managerControl;

	private EntityManager manager;

	private EntityManagerFactory factory;

	protected void setUp() throws Exception {
		template = new JpaTemplate();

		factoryControl = MockControl.createControl(EntityManagerFactory.class);
		factory = (EntityManagerFactory) factoryControl.getMock();
		managerControl = MockControl.createControl(EntityManager.class);
		manager = (EntityManager) managerControl.getMock();

		template.setEntityManager(manager);
		template.afterPropertiesSet();

	}

	protected void tearDown() throws Exception {
		template = null;
		factoryControl = null;
		managerControl = null;
		manager = null;
		factory = null;
	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.JpaTemplate(EntityManagerFactory)'
	 */
	public void testJpaTemplateEntityManagerFactory() {

	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.JpaTemplate(EntityManager)'
	 */
	public void testJpaTemplateEntityManager() {

	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.execute(JpaCallback)'
	 */
	public void testExecuteJpaCallback() {
		template.setExposeNativeEntityManager(true);
		template.setEntityManager(manager);
		template.afterPropertiesSet();

		managerControl.replay();
		factoryControl.replay();

		template.execute(new JpaCallback() {

			public Object doInJpa(EntityManager em) throws PersistenceException {
				assertSame(em, manager);
				return null;
			}
		});

		template.setExposeNativeEntityManager(false);
		template.execute(new JpaCallback() {

			public Object doInJpa(EntityManager em) throws PersistenceException {
				assertNotSame(em, manager);
				return null;
			}
		});
		managerControl.verify();
		factoryControl.verify();
	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.executeFind(JpaCallback)'
	 */
	public void testExecuteFind() {
		template.setEntityManager(manager);
		template.setExposeNativeEntityManager(true);
		template.afterPropertiesSet();

		managerControl.replay();
		factoryControl.replay();

		try {
			template.executeFind(new JpaCallback() {

				public Object doInJpa(EntityManager em) throws PersistenceException {
					assertSame(em, manager);
					return new Object();
				}
			});
			fail("should have thrown exception");
		}
		catch (DataAccessException e) {
			// expected
		}

		managerControl.verify();
		factoryControl.verify();
	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.execute(JpaCallback, boolean)'
	 */
	public void testExecuteJpaCallbackBoolean() {
		template = new JpaTemplate();
		template.setExposeNativeEntityManager(false);
		template.setEntityManagerFactory(factory);
		template.afterPropertiesSet();

		factoryControl.expectAndReturn(factory.createEntityManager(), manager);
		manager.close();

		managerControl.replay();
		factoryControl.replay();

		template.execute(new JpaCallback() {

			public Object doInJpa(EntityManager em) throws PersistenceException {
				assertSame(em, manager);
				return null;
			}
		}, true);

		managerControl.verify();
		factoryControl.verify();
	}

	public void testExecuteJpaCallbackBooleanWithPrebound() {
		template.setExposeNativeEntityManager(false);
		template.setEntityManagerFactory(factory);
		template.afterPropertiesSet();

		TransactionSynchronizationManager.bindResource(factory, new EntityManagerHolder(manager));
		managerControl.replay();
		factoryControl.replay();

		try {
			template.execute(new JpaCallback() {

				public Object doInJpa(EntityManager em) throws PersistenceException {
					assertSame(em, manager);
					return null;
				}
			}, true);

			managerControl.verify();
			factoryControl.verify();
		}
		finally {
			TransactionSynchronizationManager.unbindResource(factory);
		}
	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.createSharedEntityManager(EntityManager)'
	 */
	public void testCreateEntityManagerProxy() {
		manager.clear();
		managerControl.replay();

		EntityManager proxy = template.createEntityManagerProxy(manager);
		assertNotSame(manager, proxy);
		assertFalse(manager.equals(proxy));
		assertFalse(manager.hashCode() == proxy.hashCode());
		// close call not propagated to the em
		proxy.close();
		proxy.clear();

		managerControl.verify();
	}

	/*
	 * Test method for 'org.springframework.orm.jpa.JpaTemplate.find(Class<T>,
	 * Object) <T>'
	 */
	public void testFindClassOfTObject() {
		Integer result = new Integer(1);
		Object id = new Object();
		managerControl.expectAndReturn(manager.find(Number.class, id), result);
		managerControl.replay();
		factoryControl.replay();

		assertSame(result, template.find(Number.class, id));

		managerControl.verify();
		factoryControl.verify();
	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.getReference(Class<T>, Object)
	 * <T>'
	 */
	public void testGetReference() {
		Integer reference = new Integer(1);
		Object id = new Object();
		managerControl.expectAndReturn(manager.getReference(Number.class, id), reference);
		managerControl.replay();
		factoryControl.replay();

		assertSame(reference, template.getReference(Number.class, id));

		managerControl.verify();
		factoryControl.verify();
	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.contains(Object)'
	 */
	public void testContains() {
		boolean result = true;
		Object entity = new Object();
		managerControl.expectAndReturn(manager.contains(entity), result);
		managerControl.replay();
		factoryControl.replay();

		assertSame(result, template.contains(entity));

		managerControl.verify();
		factoryControl.verify();
	}

	/*
	 * Test method for 'org.springframework.orm.jpa.JpaTemplate.refresh(Object)'
	 */
	public void testRefresh() {
		Object entity = new Object();
		manager.refresh(entity);
		managerControl.replay();
		factoryControl.replay();

		template.refresh(entity);

		managerControl.verify();
		factoryControl.verify();
	}

	/*
	 * Test method for 'org.springframework.orm.jpa.JpaTemplate.persist(Object)'
	 */
	public void testPersist() {
		Object entity = new Object();
		manager.persist(entity);
		managerControl.replay();
		factoryControl.replay();

		template.persist(entity);

		managerControl.verify();
		factoryControl.verify();
	}

	/*
	 * Test method for 'org.springframework.orm.jpa.JpaTemplate.merge(T) <T>'
	 */
	public void testMerge() {
		Object result = new Object();
		Object entity = new Object();
		managerControl.expectAndReturn(manager.merge(entity), result);
		managerControl.replay();
		factoryControl.replay();

		assertSame(result, template.merge(entity));

		managerControl.verify();
		factoryControl.verify();
	}

	/*
	 * Test method for 'org.springframework.orm.jpa.JpaTemplate.remove(Object)'
	 */
	public void testRemove() {
		Object entity = new Object();
		manager.remove(entity);
		managerControl.replay();
		factoryControl.replay();

		template.remove(entity);

		managerControl.verify();
		factoryControl.verify();
	}

	/*
	 * Test method for 'org.springframework.orm.jpa.JpaTemplate.flush()'
	 */
	public void testFlush() {
		manager.flush();
		managerControl.replay();
		factoryControl.replay();

		template.flush();

		managerControl.verify();
		factoryControl.verify();
	}

	/*
	 * Test method for 'org.springframework.orm.jpa.JpaTemplate.find(String)'
	 */
	public void testFindString() {
		String queryString = "some query";
		MockControl queryControl = MockControl.createControl(Query.class);
		Query query = (Query) queryControl.getMock();
		List result = new ArrayList();

		managerControl.expectAndReturn(manager.createQuery(queryString), query);
		queryControl.expectAndReturn(query.getResultList(), result);

		managerControl.replay();
		factoryControl.replay();
		queryControl.replay();

		assertSame(result, template.find(queryString));

		managerControl.verify();
		factoryControl.verify();
		queryControl.verify();
	}

	/*
	 * Test method for 'org.springframework.orm.jpa.JpaTemplate.find(String,
	 * Object...)'
	 */
	public void testFindStringObjectArray() {
		String queryString = "some query";
		MockControl queryControl = MockControl.createControl(Query.class);
		Query query = (Query) queryControl.getMock();
		List result = new ArrayList();
		Object param1 = new Object();
		Object param2 = new Object();
		Object[] params = new Object[] { param1, param2 };

		managerControl.expectAndReturn(manager.createQuery(queryString), query);
		queryControl.expectAndReturn(query.setParameter(1, param1), null);
		queryControl.expectAndReturn(query.setParameter(2, param2), null);

		queryControl.expectAndReturn(query.getResultList(), result);

		managerControl.replay();
		factoryControl.replay();
		queryControl.replay();

		assertSame(result, template.find(queryString, params));

		managerControl.verify();
		factoryControl.verify();
		queryControl.verify();
	}

	/*
	 * Test method for 'org.springframework.orm.jpa.JpaTemplate.find(String, Map<String,
	 * Object>)'
	 */
	public void testFindStringMapOfStringObject() {
		String queryString = "some query";
		MockControl queryControl = MockControl.createControl(Query.class);
		Query query = (Query) queryControl.getMock();
		List result = new ArrayList();
		Object param1 = new Object();
		Object param2 = new Object();
		Map<String, Object> params = new HashMap();
		params.put("param1", param1);
		params.put("param2", param2);

		managerControl.expectAndReturn(manager.createQuery(queryString), query);
		queryControl.expectAndReturn(query.setParameter("param1", param1), null);
		queryControl.expectAndReturn(query.setParameter("param2", param2), null);

		queryControl.expectAndReturn(query.getResultList(), result);

		managerControl.replay();
		factoryControl.replay();
		queryControl.replay();

		assertSame(result, template.findByNamedParams(queryString, params));

		managerControl.verify();
		factoryControl.verify();
		queryControl.verify();
	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.findByNamedQuery(String)'
	 */
	public void testFindByNamedQueryString() {
		String queryName = "some query name";
		MockControl queryControl = MockControl.createControl(Query.class);
		Query query = (Query) queryControl.getMock();
		List result = new ArrayList();

		managerControl.expectAndReturn(manager.createNamedQuery(queryName), query);

		queryControl.expectAndReturn(query.getResultList(), result);

		managerControl.replay();
		factoryControl.replay();
		queryControl.replay();

		assertSame(result, template.findByNamedQuery(queryName));

		managerControl.verify();
		factoryControl.verify();
		queryControl.verify();
	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.findByNamedQuery(String,
	 * Object...)'
	 */
	public void testFindByNamedQueryStringObjectArray() {
		String queryName = "some query name";
		MockControl queryControl = MockControl.createControl(Query.class);
		Query query = (Query) queryControl.getMock();
		List result = new ArrayList();
		Object param1 = new Object();
		Object param2 = new Object();
		Object[] params = new Object[] { param1, param2 };

		managerControl.expectAndReturn(manager.createNamedQuery(queryName), query);
		queryControl.expectAndReturn(query.setParameter(1, param1), null);
		queryControl.expectAndReturn(query.setParameter(2, param2), null);

		queryControl.expectAndReturn(query.getResultList(), result);

		managerControl.replay();
		factoryControl.replay();
		queryControl.replay();

		assertSame(result, template.findByNamedQuery(queryName, params));

		managerControl.verify();
		factoryControl.verify();
		queryControl.verify();
	}

	/*
	 * Test method for
	 * 'org.springframework.orm.jpa.JpaTemplate.findByNamedQuery(String, Map<String,
	 * Object>)'
	 */
	public void testFindByNamedQueryStringMapOfStringObject() {
		String queryName = "some query name";
		MockControl queryControl = MockControl.createControl(Query.class);
		Query query = (Query) queryControl.getMock();
		List result = new ArrayList();
		Object param1 = new Object();
		Object param2 = new Object();
		Map<String, Object> params = new HashMap();
		params.put("param1", param1);
		params.put("param2", param2);

		managerControl.expectAndReturn(manager.createNamedQuery(queryName), query);
		queryControl.expectAndReturn(query.setParameter("param1", param1), null);
		queryControl.expectAndReturn(query.setParameter("param2", param2), null);

		queryControl.expectAndReturn(query.getResultList(), result);

		managerControl.replay();
		factoryControl.replay();
		queryControl.replay();

		assertSame(result, template.findByNamedQueryAndNamedParams(queryName, params));

		managerControl.verify();
		factoryControl.verify();
		queryControl.verify();
	}

}