Java tutorial
/* * openwms.org, the Open Warehouse Management System. * Copyright (C) 2014 Heiko Scherrer * * This file is part of openwms.org. * * openwms.org is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * openwms.org is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this software. If not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.openwms.core.uaa; import javax.persistence.PersistenceException; import java.util.HashSet; import java.util.Set; import org.junit.Assert; import org.junit.Before; import org.junit.Rule; import org.junit.Test; import org.junit.rules.ExpectedException; import org.junit.runner.RunWith; import org.openwms.core.test.IntegrationTest; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.autoconfigure.orm.jpa.TestEntityManager; import org.springframework.test.context.junit4.SpringRunner; /** * A RoleTest. * * @author <a href="mailto:scherrer@openwms.org">Heiko Scherrer</a> * @version 0.1 * @since 0.1 */ @RunWith(SpringRunner.class) @IntegrationTest public class RoleIT { @Rule public ExpectedException thrown = ExpectedException.none(); private static final Logger LOGGER = LoggerFactory.getLogger(RoleIT.class); private static final String TEST_ROLE = "ROLE_TEST"; private static final String TEST_ROLE2 = "ROLE_TEST2"; private static final String TEST_DESCR = "ROLE Description"; private static final String KNOWN_USER = "KNOWN_USER"; private static final String KNOWN_ROLE = "KNOWN_ROLE"; private User knownUser; private Role knownRole; @Autowired private TestEntityManager entityManager; /** * Setup data. */ @Before public void onBefore() { knownUser = new User(KNOWN_USER); knownRole = new Role(KNOWN_ROLE); entityManager.persist(knownRole); entityManager.persist(knownUser); entityManager.flush(); entityManager.clear(); } /** * Creating two roles with same id must fail. */ @Test public final void testRoleConstraint() { Role role = new Role(TEST_ROLE); Role role2 = new Role(TEST_ROLE); try { entityManager.persist(role); entityManager.persist(role2); entityManager.flush(); Assert.fail("No unique constraint on rolename"); } catch (PersistenceException pe) { LOGGER.debug("OK:Tested unique constraint on rolename."); } } /** * Test the JPA lifecycle. Transient Users may not be created whenever a Role is merged. */ @Test public final void testLifecycleWithTransientUsers() { knownRole.addUser(knownUser); knownRole = entityManager.merge(knownRole); knownRole.addUser(new User("TRANSIENT_USER")); try { entityManager.merge(knownRole); entityManager.flush(); Assert.fail("Must fail because merging of transient users is not permitted"); } catch (Exception e) { LOGGER.debug("OK: Exception when trying to merge a transient User with a Role"); } } /** * Test hashCode() and equals(obj). */ @Test public final void testHashCodeEquals() { Role role1 = new Role(TEST_ROLE); Role role2 = new Role(TEST_ROLE); Role role3 = new Role(TEST_ROLE2); // Just the name is considered Assert.assertTrue(role1.equals(role2)); Assert.assertFalse(role1.equals(role3)); // Test behavior in hashed collections Set<Role> roles = new HashSet<>(); roles.add(role1); roles.add(role2); Assert.assertTrue(roles.size() == 1); roles.add(role3); Assert.assertTrue(roles.size() == 2); } /** * Test the internal Role builder. */ @Test public final void testRoleBuilder() { Role role1 = new Role.Builder(TEST_ROLE).withDescription(TEST_DESCR).asImmutable().build(); Assert.assertEquals(TEST_ROLE, role1.getName()); Assert.assertEquals(TEST_DESCR, role1.getDescription()); Assert.assertTrue(role1.getImmutable()); } /** * Test of JPA cascade lifecycle. Do not remove already existing User when removing a Role. */ @Test public final void testLifecycleRemoveRoleNotUsers() { knownRole.addUser(knownUser); knownRole = entityManager.merge(knownRole); entityManager.remove(knownRole); Long cnt = (Long) entityManager.getEntityManager() .createQuery("select count(r) from Role r where r.name = :rolename") .setParameter("rolename", KNOWN_ROLE).getSingleResult(); Assert.assertEquals("Role must be removed", 0, cnt.intValue()); cnt = (Long) entityManager.getEntityManager() .createQuery("select count(u) from User u where u.username = :username") .setParameter("username", KNOWN_USER).getSingleResult(); Assert.assertEquals("User may not be removed", 1, cnt.intValue()); } }