Java tutorial
/** * Copyright (c) 2008-2009 Acuity Technologies, Inc. * * 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. * * Created May 12, 2009 */ package com.acuityph.commons.jpa; import static junit.framework.Assert.assertEquals; import static org.mockito.Mockito.verify; import junit.framework.Assert; import org.junit.Before; import org.junit.Rule; import org.junit.Test; import org.mockito.Mock; import org.springframework.orm.jpa.JpaTemplate; import test.MyEntity; import dirty.mockito.junit.rules.MagicMocker; /** * JUnit test for {@link ActiveJpaDao}. * * @author Alistair A. Israel * @since 0.3.1 */ public final class ActiveJpaDaoTest { // CHECKSTYLE:OFF @Rule public final MagicMocker magicMocker = new MagicMocker(); // CHECKSTYLE:ON @Mock private JpaTemplate jpaTemplate; /** * Typical use case for {@link ActiveJpaDao}. * * @author Alistair A. Israel */ public static class MyEntityJpaDao extends ActiveJpaDao<Integer, MyEntity> { /** * */ public MyEntityJpaDao() { super(MyEntity.class); } } private MyEntityJpaDao myEntityJpaDao; /** * */ @Before public void setUp() { myEntityJpaDao = new MyEntityJpaDao(); myEntityJpaDao.setJpaTemplate(jpaTemplate); } /** * Test for {@link ActiveJpaDao#listAll()} using auto-discovery. */ @Test public void testListAllAutoDiscovery() { myEntityJpaDao.listAll(); verify(jpaTemplate).findByNamedQuery(MyEntity.FIND_ALL); } /** * Test for {@link ActiveJpaDao#listAll()} using * {@link ActiveJpaDao#setListAllNamedQueryName(String)}. */ @Test public void testListAllSetListAllNamedQueryName() { myEntityJpaDao.setListAllNamedQueryName("listAllMyEntities"); myEntityJpaDao.listAll(); verify(jpaTemplate).findByNamedQuery("listAllMyEntities"); } /** * Test for {@link ActiveJpaDao#listAll()} using * {@link ActiveJpaDao#setListAllQuery(String)}. */ @Test public void testListAllSetListAllQuery() { // force myEntityJpaDao to use listAllQuery myEntityJpaDao.setListAllNamedQueryName(null); myEntityJpaDao.setListAllQuery("SELECT e FROM MyEntity e"); myEntityJpaDao.listAll(); verify(jpaTemplate).find("SELECT e FROM MyEntity e"); } /** * Test {@link ActiveJpaDao#listAll()} throws Exception */ @Test public void testListAllThrowsException() { final String expectedMessage = "Unable to execute listAll(): neither listAllNamedQueryName or listAllQuery are properly set!"; myEntityJpaDao.setListAllNamedQueryName(null); myEntityJpaDao.setListAllQuery(null); try { myEntityJpaDao.listAll(); Assert.fail("Should have thrown JpaException(\"" + expectedMessage + "\")!"); } catch (final JpaException e) { assertEquals(expectedMessage, e.getMessage()); } } /** * Test for {@link ActiveJpaDao#find(Object)}. */ @Test public void testFind() { myEntityJpaDao.find(1); verify(jpaTemplate).find(MyEntity.class, Integer.valueOf(1)); } }