| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.openjpa.persistence.query; |
| |
| import java.util.List; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.Query; |
| |
| import org.apache.openjpa.jdbc.conf.JDBCConfiguration; |
| import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; |
| import org.apache.openjpa.persistence.test.SingleEMFTestCase; |
| |
| public class TestQueryEscapeCharacters |
| extends SingleEMFTestCase { |
| |
| @Override |
| public void setUp() { |
| setUp(Employee.class, CLEAR_TABLES); |
| |
| EntityManager em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| |
| Employee e = new Employee(); |
| e.setName("Mike Dick"); |
| e.setEmpId(1); |
| em.persist(e); |
| |
| e = new Employee(); |
| e.setName("Mike Jones"); |
| e.setEmpId(2); |
| em.persist(e); |
| |
| e = new Employee(); |
| e.setName("Mike Smith"); |
| e.setEmpId(3); |
| em.persist(e); |
| |
| e = new Employee(); |
| e.setName("M%ke Smith"); |
| e.setEmpId(4); |
| em.persist(e); |
| em.getTransaction().commit(); |
| em.close(); |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| EntityManager em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| em.createQuery("Delete from Employee").executeUpdate(); |
| em.getTransaction().commit(); |
| em.close(); |
| super.tearDown(); |
| } |
| |
| public void testNormalQuery() { |
| performFind ("Employee.findByName", "%Dick", 1); |
| } |
| |
| public void testMultiResultQuery() { |
| performFind ("Employee.findByName", "Mike%", 3); |
| } |
| |
| public void testEscapedQuery() { |
| performFind ("Employee.findByNameEscaped", |
| "M\\%%", 1); |
| } |
| |
| public void testDoubleEscapedQuery() { |
| performFind ("Employee.findByName", "\\\\", 0); |
| } |
| |
| public void testWrongEscape() { |
| performFind ("Employee.findByName", "M|%%", 0); |
| } |
| |
| public void testDoubleSlashQuery() { |
| // get the Dictionary and check the requiresSearchStringEscapeForLike flag |
| OpenJPAEntityManagerFactorySPI ojpaEmf = emf; |
| JDBCConfiguration conf = (JDBCConfiguration)ojpaEmf.getConfiguration(); |
| |
| if (conf.getDBDictionaryInstance(). |
| requiresSearchStringEscapeForLike) { |
| return; |
| } |
| |
| performFind ("Employee.findByName", "\\", 0); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void testDifferentEscapeCharacter () { |
| OpenJPAEntityManagerFactorySPI ojpaEmf = emf; |
| JDBCConfiguration conf = (JDBCConfiguration)ojpaEmf.getConfiguration(); |
| |
| // Would be nice to just pass a map to the createEntityManager, but |
| // seems like it would be too much trouble to get the proper DB type |
| // and then build the string for the map. |
| conf.getDBDictionaryInstance().requiresSearchStringEscapeForLike = true; |
| conf.getDBDictionaryInstance().searchStringEscape = "|"; |
| EntityManager em = emf.createEntityManager(); |
| |
| Query q = em.createNamedQuery("Employee.findByName"); |
| q.setParameter("name", "M|%%"); |
| List<Employee> emps = q.getResultList(); |
| assertEquals(1, emps.size()); |
| |
| String unnamedQuery = |
| "Select e from Employee e where e.name LIKE :name"; |
| |
| q = em.createQuery(unnamedQuery); |
| q.setParameter("name", "M|%%"); |
| emps = q.getResultList(); |
| assertEquals(1, emps.size()); |
| em.close(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| private void performFind (String namedQuery, String parameter, |
| int expected) { |
| EntityManager em = emf.createEntityManager(); |
| |
| Query q = em.createNamedQuery(namedQuery); |
| q.setParameter("name", parameter); |
| List<Employee> emps = q.getResultList(); |
| assertEquals(expected, emps.size()); |
| |
| String unnamedQuery = |
| "Select e from Employee e where e.name LIKE :name"; |
| if (namedQuery.equals("Employee.findByNameEscaped")) { |
| unnamedQuery = |
| "Select e from Employee e where e.name LIKE :name ESCAPE '\\'"; |
| } |
| q = em.createQuery(unnamedQuery); |
| q.setParameter("name", parameter); |
| emps = q.getResultList(); |
| assertEquals(expected, emps.size()); |
| em.close(); |
| } |
| } |