mirror of https://github.com/apache/openjpa.git
OPENJPA-805 JPQL updates iteration 1
add in-memory query testcase for Case, Coalesce, and NullIf expressions git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@727611 13f79535-47bb-0310-9956-ffa450edef68
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Catalina Wei
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.apache.openjpa.persistence.jpql.expressions;
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import java.util.List;
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import javax.persistence.EntityManager;
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import org.apache.openjpa.kernel.Query;
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import org.apache.openjpa.kernel.QueryImpl;
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import org.apache.openjpa.persistence.common.apps.*;
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import org.apache.openjpa.persistence.common.utils.AbstractTestCase;
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public class TestInMemoryScalarExpressions extends AbstractTestCase {
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private int userid1, userid2, userid3, userid4, userid5, userid6;
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public TestInMemoryScalarExpressions(String name) {
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super(name, "jpqlclausescactusapp");
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}
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public void setUp() {
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deleteAll(CompUser.class);
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EntityManager em = currentEntityManager();
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startTx(em);
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Address[] add = new Address[]{
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new Address("43 Sansome", "SF", "United-Kingdom", "94104"),
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new Address("24 Mink", "ANTIOCH", "USA", "94513"),
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new Address("23 Ogbete", "CoalCamp", "NIGERIA", "00000"),
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new Address("10 Wilshire", "Worcester", "CANADA", "80080"),
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new Address("23 Bellflower", "Ogui", null, "02000"),
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new Address("22 Montgomery", "SF", null, "50054") };
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CompUser user1 = createUser("Seetha", "MAC", add[0], 36, true);
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CompUser user2 = createUser("Shannon ", "PC", add[1], 36, false);
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CompUser user3 = createUser("Ugo", "PC", add[2], 19, true);
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CompUser user4 = createUser("_Jacob", "LINUX", add[3], 10, true);
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CompUser user5 = createUser("Famzy", "UNIX", add[4], 29, false);
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CompUser user6 = createUser("Shade", "UNIX", add[5], 23, false);
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em.persist(user1);
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userid1 = user1.getUserid();
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em.persist(user2);
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userid2 = user2.getUserid();
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em.persist(user3);
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userid3 = user3.getUserid();
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em.persist(user4);
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userid4 = user4.getUserid();
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em.persist(user5);
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userid5 = user5.getUserid();
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em.persist(user6);
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userid6 = user6.getUserid();
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endTx(em);
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endEm(em);
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}
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public void testCoalesceExpressions() {
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EntityManager em = currentEntityManager();
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List rsall = em.createQuery("SELECT e from CompUser e")
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.getResultList();
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String query = "SELECT e.name as name, " +
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" COALESCE (e.address.country, 'Unknown')" +
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" FROM CompUser e ORDER BY name";
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org.apache.openjpa.persistence.QueryImpl q1 =
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(org.apache.openjpa.persistence.QueryImpl) em.createQuery(query);
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Query q2 = q1.getDelegate();
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Query qi = (QueryImpl) q2;
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qi.setCandidateCollection(rsall);
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List rs = q1.getResultList();
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Object[] result = (Object[]) rs.get(0);
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assertEquals("the name is not famzy", "Famzy", result[0]);
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assertEquals("Unknown", result[1]);
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endEm(em);
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}
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public void testNullIfExpressions() {
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EntityManager em = currentEntityManager();
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List rsall = em.createQuery("SELECT e from CompUser e")
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.getResultList();
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String query = "SELECT e.name, " +
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" NULLIF (e.address.country, 'USA'), " +
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" e.address.country as res " +
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" FROM CompUser e ORDER BY res";
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org.apache.openjpa.persistence.QueryImpl q1 =
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(org.apache.openjpa.persistence.QueryImpl) em.createQuery(query);
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Query q2 = q1.getDelegate();
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Query qi = (QueryImpl) q2;
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qi.setCandidateCollection(rsall);
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List rs = q1.getResultList();
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Object[] result = (Object[]) rs.get(2);
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assertEquals("the name is not shannon ", "Shannon ", result[0]);
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assertNull("is not null", result[1]);
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endEm(em);
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}
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public void testSimpleCaseExpression() {
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EntityManager em = currentEntityManager();
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List rsall = em.createQuery("SELECT e from CompUser e")
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.getResultList();
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String query = "SELECT e.name, " +
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" CASE e.address.country WHEN 'USA' " +
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" THEN 'us' " +
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" ELSE 'non-us' END as d2, " +
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" e.address.country " +
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" FROM CompUser e order by d2";
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org.apache.openjpa.persistence.QueryImpl q1 =
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(org.apache.openjpa.persistence.QueryImpl) em.createQuery(query);
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Query q2 = q1.getDelegate();
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Query qi = (QueryImpl) q2;
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qi.setCandidateCollection(rsall);
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List rs = q1.getResultList();
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Object[] result = (Object[]) rs.get(5);
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assertEquals("the name is not shannon ", "Shannon ", result[0]);
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assertEquals("is not 'us'", "us", result[1]);
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endEm(em);
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}
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public void testGeneralCaseExpression() {
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EntityManager em = currentEntityManager();
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List rsall = em.createQuery("SELECT e from CompUser e")
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.getResultList();
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String query = "SELECT e.name as name, " +
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" CASE WHEN e.age > 30 THEN 30 " +
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" WHEN e.age < 15 THEN 15 " +
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" ELSE 20 " +
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" END, " +
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" e.age " +
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" FROM CompUser e ORDER BY name";
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org.apache.openjpa.persistence.QueryImpl q1 =
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(org.apache.openjpa.persistence.QueryImpl) em.createQuery(query);
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Query q2 = q1.getDelegate();
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Query qi = (QueryImpl) q2;
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qi.setCandidateCollection(rsall);
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List rs = q1.getResultList();
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Object[] result = (Object[]) rs.get(3);
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assertEquals("the name is not shannon ", "Shannon ", result[0]);
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assertEquals("not 30", "30", result[1].toString());
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endEm(em);
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}
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public CompUser createUser(String name, String cName, Address add, int age,
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boolean isMale) {
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CompUser user = null;
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if (isMale) {
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user = new MaleUser();
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user.setName(name);
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user.setComputerName(cName);
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user.setAddress(add);
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user.setAge(age);
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} else {
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user = new FemaleUser();
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user.setName(name);
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user.setComputerName(cName);
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user.setAddress(add);
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user.setAge(age);
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}
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return user;
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}
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}
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