/**
* The MIT License
* Copyright (c) 2014-2016 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.servicelayer.common;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import com.iluwatar.servicelayer.hibernate.HibernateUtil;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Function;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* Date: 12/28/15 - 10:53 PM
* Test for Base Data Access Objects
* @param <E> Type of Base Entity
* @param <D> Type of Dao Base Implementation
* @author Jeroen Meulemeester
*/
public abstract class BaseDaoTest<E extends BaseEntity, D extends DaoBaseImpl<E>> {
/**
* The number of entities stored before each test
*/
private static final int INITIAL_COUNT = 5;
/**
* The unique id generator, shared between all entities
*/
private static final AtomicInteger ID_GENERATOR = new AtomicInteger();
/**
* Factory, used to create new entity instances with the given name
*/
private final Function<String, E> factory;
/**
* The tested data access object
*/
private final D dao;
/**
* Create a new test using the given factory and dao
*
* @param factory The factory, used to create new entity instances with the given name
* @param dao The tested data access object
*/
public BaseDaoTest(final Function<String, E> factory, final D dao) {
this.factory = factory;
this.dao = dao;
}
@Before
public void setUp() throws Exception {
for (int i = 0; i < INITIAL_COUNT; i++) {
final String className = dao.persistentClass.getSimpleName();
final String entityName = String.format("%s%d", className, ID_GENERATOR.incrementAndGet());
this.dao.persist(this.factory.apply(entityName));
}
}
@After
public void tearDown() throws Exception {
HibernateUtil.dropSession();
}
protected final D getDao() {
return this.dao;
}
@Test
public void testFind() throws Exception {
final List<E> all = this.dao.findAll();
for (final E entity : all) {
final E byId = this.dao.find(entity.getId());
assertNotNull(byId);
assertEquals(byId.getId(), byId.getId());
}
}
@Test
public void testDelete() throws Exception {
final List<E> originalEntities = this.dao.findAll();
this.dao.delete(originalEntities.get(1));
this.dao.delete(originalEntities.get(2));
final List<E> entitiesLeft = this.dao.findAll();
assertNotNull(entitiesLeft);
assertEquals(INITIAL_COUNT - 2, entitiesLeft.size());
}
@Test
public void testFindAll() throws Exception {
final List<E> all = this.dao.findAll();
assertNotNull(all);
assertEquals(INITIAL_COUNT, all.size());
}
@Test
public void testSetId() throws Exception {
final E entity = this.factory.apply("name");
assertNull(entity.getId());
final Long expectedId = Long.valueOf(1);
entity.setId(expectedId);
assertEquals(expectedId, entity.getId());
}
@Test
public void testSetName() throws Exception {
final E entity = this.factory.apply("name");
assertEquals("name", entity.getName());
assertEquals("name", entity.toString());
final String expectedName = "new name";
entity.setName(expectedName);
assertEquals(expectedName, entity.getName());
assertEquals(expectedName, entity.toString());
}
}