| /* |
| * 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.jdo.tck.query.result; |
| |
| import javax.jdo.Query; |
| |
| import org.apache.jdo.tck.JDO_Test; |
| import org.apache.jdo.tck.pc.company.CompanyModelReader; |
| import org.apache.jdo.tck.pc.company.Person; |
| import org.apache.jdo.tck.query.QueryElementHolder; |
| import org.apache.jdo.tck.query.QueryTest; |
| import org.apache.jdo.tck.util.BatchTestRunner; |
| |
| /** |
| *<B>Title:</B> Unique. |
| *<BR> |
| *<B>Keywords:</B> query |
| *<BR> |
| *<B>Assertion ID:</B> A14.6.11-1. |
| *<BR> |
| *<B>Assertion Description: </B> |
| * When the value of the Unique flag is true, |
| * then the result of a query is a single value, |
| * with null used to indicate that none of the instances |
| * in the candidates satisfied the filter. |
| * If more than one instance satisfies the filter, |
| * and the range is not limited to one result, |
| * then execute throws a JDOUserException. |
| */ |
| public class Unique extends QueryTest { |
| |
| /** */ |
| private static final String ASSERTION_FAILED = |
| "Assertion A14.6.11-1 (Unique) failed: "; |
| |
| /** |
| * The array of valid queries which may be executed as |
| * single string queries and as API queries. |
| */ |
| private static final QueryElementHolder[] VALID_QUERIES = { |
| new QueryElementHolder( |
| /*UNIQUE*/ Boolean.TRUE, |
| /*RESULT*/ null, |
| /*INTO*/ null, |
| /*FROM*/ Person.class, |
| /*EXCLUDE*/ null, |
| /*WHERE*/ "personid == 1", |
| /*VARIABLES*/ null, |
| /*PARAMETERS*/ null, |
| /*IMPORTS*/ null, |
| /*GROUP BY*/ null, |
| /*ORDER BY*/ null, |
| /*FROM*/ null, |
| /*TO*/ null), |
| new QueryElementHolder( |
| /*UNIQUE*/ Boolean.TRUE, |
| /*RESULT*/ null, |
| /*INTO*/ null, |
| /*FROM*/ Person.class, |
| /*EXCLUDE*/ null, |
| /*WHERE*/ "personid == 0", |
| /*VARIABLES*/ null, |
| /*PARAMETERS*/ null, |
| /*IMPORTS*/ null, |
| /*GROUP BY*/ null, |
| /*ORDER BY*/ null, |
| /*FROM*/ null, |
| /*TO*/ null), |
| new QueryElementHolder( |
| /*UNIQUE*/ Boolean.TRUE, |
| /*RESULT*/ null, |
| /*INTO*/ null, |
| /*FROM*/ Person.class, |
| /*EXCLUDE*/ null, |
| /*WHERE*/ null, |
| /*VARIABLES*/ null, |
| /*PARAMETERS*/ null, |
| /*IMPORTS*/ null, |
| /*GROUP BY*/ null, |
| /*ORDER BY*/ "personid ASCENDING", |
| /*FROM*/ "0", |
| /*TO*/ "1"), |
| }; |
| |
| /** |
| * The expected results of valid queries. |
| */ |
| private Object[] expectedResult = { |
| getTransientCompanyModelInstance("emp1"), |
| null, |
| getTransientCompanyModelInstance("emp1") |
| }; |
| |
| /** |
| * The <code>main</code> is called when the class |
| * is directly executed from the command line. |
| * @param args The arguments passed to the program. |
| */ |
| public static void main(String[] args) { |
| BatchTestRunner.run(Unique.class); |
| } |
| |
| /** */ |
| public void testPositive() { |
| for (int i = 0; i < VALID_QUERIES.length; i++) { |
| executeAPIQuery(ASSERTION_FAILED, VALID_QUERIES[i], |
| expectedResult[i]); |
| executeSingleStringQuery(ASSERTION_FAILED, VALID_QUERIES[i], |
| expectedResult[i]); |
| } |
| } |
| |
| public void testNegative() { |
| String singleString = "SELECT UNIQUE FROM " + Person.class.getName(); |
| |
| Query query = getPM().newQuery(Person.class); |
| query.setUnique(true); |
| executeJDOQuery(ASSERTION_FAILED, query, singleString, |
| false, null, null, false); |
| |
| query = getPM().newQuery(singleString); |
| executeJDOQuery(ASSERTION_FAILED, query, singleString, |
| false, null, null, false); |
| } |
| |
| /** |
| * @see JDO_Test#localSetUp() |
| */ |
| protected void localSetUp() { |
| addTearDownClass(CompanyModelReader.getTearDownClasses()); |
| loadAndPersistCompanyModel(getPM()); |
| } |
| } |