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/*
 *  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.
 *  
 *  $Rev: 538928 $  $Date: 2007-05-17 15:00:54 +0100 (Thu, 17 May 2007) $
 */
package test.sdo21.tests.api;


import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import test.sdo21.framework.CTSTestCase;
import test.sdo21.tests.TestData.StandardDynamicFactory;
import test.sdo21.tests.TestData.StandardFactory;
import test.sdo21.tests.TestData.TestDataFactory;

import commonj.sdo.ChangeSummary;
import commonj.sdo.DataGraph;
import commonj.sdo.DataObject;
import commonj.sdo.Type;
import commonj.sdo.helper.HelperContext;
import commonj.sdo.impl.HelperProvider;

/**
 */
public class ChangeSummaryTest extends CTSTestCase {
    private DataObject testDO;
    TestDataFactory factory;
    
    public ChangeSummaryTest() {
      factory = new StandardDynamicFactory();
    }
  
    @Before
    public void setUp () throws Exception {
      super.setUp();
      factory.defineMetaData(getScope());
      testDO = factory.createTestData(getScope(), StandardFactory.API_TYPE);
    }
   
  
    @After
    public void tearDown() throws Exception {
      super.tearDown();
    }
    
    /**
     * testGetChangeSummary performs some verification on the ChangeSummary
     * returned by DataGraph.getChangeSummary()
     */
    private void runChangeSummaryTests(DataGraph generatingDG) {
        ChangeSummary generatedCS = generatingDG.getChangeSummary();
  
        assertNotNull("DataGraph.getChangeSummary() returned a null ChangeSummary.", generatedCS);
  
        assertEquals("The ChangeSummary returned by DataGraph.getChangeSummary() did not return refer to the generating DataGraph.",
                     generatedCS.getDataGraph(),
                     generatingDG);
  
        assertEquals("The ChangeSummary returned by DataGraph.getChangeSummary() and the DataGraph have different root Objects. ",
                     generatedCS.getRootObject(),
                     generatingDG.getRootObject());
    }
  
    /**
     * Verify the proper function of DataGraph.getChangeSummary() when the
     * DataGraph RootObject was created by Type
     */
    @Test
    public void testDataGraphGetChangeSummaryType() {
        Type testType = testDO.getType();
  
        DataGraph dataGraph = getTestHelper().createDataGraph();
        dataGraph.createRootObject(testType);
  
        runChangeSummaryTests(dataGraph);
    }
  
    /**
     * Verify the proper function of DataGraph.getChangeSummary() when the
     * DataGraph RootObject was created by URI
     * @throws Exception 
     */
    @Test
    public void testDataGraphGetChangeSummaryURI() throws Exception {
        // we are constrained to work with the default helper context for these APIs
        // so lets override the default behaviour of the test framework for this method
        
        HelperContext globalScope = HelperProvider.getDefaultContext();
        factory.defineMetaData(globalScope);
        testDO = factory.createTestData(globalScope, StandardFactory.API_TYPE);
  
        Type testType = testDO.getType();
  
        DataGraph dataGraph = getTestHelper().createDataGraph();
        dataGraph.createRootObject(testType.getURI(), testType.getName());
  
        runChangeSummaryTests(dataGraph);
    }



}