/*
 * 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.api;

import java.util.Arrays;
import javax.jdo.Query;
import org.apache.jdo.tck.pc.company.CompanyModelReader;
import org.apache.jdo.tck.pc.company.Person;
import org.apache.jdo.tck.query.QueryTest;
import org.apache.jdo.tck.util.BatchTestRunner;

/**
 * <B>Title:</B> Set Grouping. <br>
 * <B>Keywords:</B> query <br>
 * <B>Assertion ID:</B> A14.6-17. <br>
 * <B>Assertion Description: </B> void setGrouping (String grouping); Specify the grouping of
 * results for aggregates.
 */
public class SetGrouping extends QueryTest {

  /** */
  private static final String ASSERTION_FAILED = "Assertion A14.6-17 (SetGrouping) failed: ";

  /** The expected results of valid queries. */
  private final Object[] expectedResult = {
    Arrays.asList("emp1Last", "emp2Last", "emp3Last", "emp4Last", "emp5Last")
  };

  /**
   * 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(SetGrouping.class);
  }

  /** */
  public void testPositive() {
    int index = 0;
    Query<Person> query = getPM().newQuery(Person.class);
    query.setResult("lastname");
    query.setGrouping("lastname");
    String singleStringQuery = "SELECT lastname FROM Person GROUP BY lastname";
    executeJDOQuery(
        ASSERTION_FAILED, query, singleStringQuery, false, null, expectedResult[index], true);
  }

  /**
   * @see org.apache.jdo.tck.JDO_Test#localSetUp()
   */
  @Override
  protected void localSetUp() {
    addTearDownClass(CompanyModelReader.getTearDownClasses());
    loadAndPersistCompanyModel(getPM());
  }
}