| /* |
| * 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 java.util.Arrays; |
| |
| import org.apache.jdo.tck.JDO_Test; |
| import org.apache.jdo.tck.pc.company.CompanyModelReader; |
| import org.apache.jdo.tck.pc.company.FullTimeEmployee; |
| import org.apache.jdo.tck.pc.company.QFullTimeEmployee; |
| import org.apache.jdo.tck.query.QueryElementHolder; |
| import org.apache.jdo.tck.query.QueryTest; |
| import org.apache.jdo.tck.util.BatchTestRunner; |
| |
| import javax.jdo.JDOQLTypedQuery; |
| |
| /** |
| *<B>Title:</B> Grouping. |
| *<BR> |
| *<B>Keywords:</B> query |
| *<BR> |
| *<B>Assertion ID:</B> A14.6.10-1. |
| *<BR> |
| *<B>Assertion Description: </B> |
| * When grouping is specified, each result expression must be one of: |
| * an expression contained in the grouping expression; |
| * or, an aggregate expression evaluated once per group. |
| * The query groups all elements where all expressions |
| * specified in setGrouping have the same values. |
| * The query result consists of one element per group. |
| */ |
| public class Grouping extends QueryTest { |
| |
| /** */ |
| private static final String ASSERTION_FAILED = |
| "Assertion A14.6.10-1 (Grouping) failed: "; |
| |
| /** |
| * The array of invalid queries which may be executed as |
| * single string queries and as API queries. |
| */ |
| private static final QueryElementHolder[] INVALID_QUERIES = { |
| new QueryElementHolder( |
| /*UNIQUE*/ null, |
| /*RESULT*/ "department, salary", |
| /*INTO*/ null, |
| /*FROM*/ FullTimeEmployee.class, |
| /*EXCLUDE*/ null, |
| /*WHERE*/ null, |
| /*VARIABLES*/ null, |
| /*PARAMETERS*/ null, |
| /*IMPORTS*/ null, |
| /*GROUP BY*/ "department", |
| /*ORDER BY*/ null, |
| /*FROM*/ null, |
| /*TO*/ null) |
| }; |
| |
| /** |
| * 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(Grouping.class); |
| } |
| |
| /** */ |
| public void testPositive() { |
| Object expected = Arrays.asList(new Object[] { |
| new Object[] {getTransientCompanyModelInstance("dept1"), new Double(30000.0)}, |
| new Object[] {getTransientCompanyModelInstance("dept2"), new Double(45000.0)}}); |
| |
| JDOQLTypedQuery<FullTimeEmployee> query = getPM().newJDOQLTypedQuery(FullTimeEmployee.class); |
| QFullTimeEmployee cand = QFullTimeEmployee.candidate(); |
| query.result(false, cand.department, cand.salary.sum()); |
| query.groupBy(cand.department); |
| |
| QueryElementHolder holder = new QueryElementHolder( |
| /*UNIQUE*/ null, |
| /*RESULT*/ "department, SUM(salary)", |
| /*INTO*/ null, |
| /*FROM*/ FullTimeEmployee.class, |
| /*EXCLUDE*/ null, |
| /*WHERE*/ null, |
| /*VARIABLES*/ null, |
| /*PARAMETERS*/ null, |
| /*IMPORTS*/ null, |
| /*GROUP BY*/ "department", |
| /*ORDER BY*/ null, |
| /*FROM*/ null, |
| /*TO*/ null, |
| /*JDOQLTyped*/ query, |
| /*paramValues*/ null); |
| |
| executeAPIQuery(ASSERTION_FAILED, holder, expected); |
| executeSingleStringQuery(ASSERTION_FAILED, holder, expected); |
| executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expected); |
| } |
| |
| /** */ |
| public void testNegative() { |
| for (int i = 0; i < INVALID_QUERIES.length; i++) { |
| compileAPIQuery(ASSERTION_FAILED, INVALID_QUERIES[i], false); |
| compileSingleStringQuery(ASSERTION_FAILED, INVALID_QUERIES[i], |
| false); |
| } |
| } |
| |
| /** |
| * @see org.apache.jdo.tck.JDO_Test#localSetUp() |
| */ |
| @Override |
| protected void localSetUp() { |
| addTearDownClass(CompanyModelReader.getTearDownClasses()); |
| loadAndPersistCompanyModel(getPM()); |
| } |
| } |