/*
    * Copyright 2011 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl1.php
    *
   * 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.kuali.rice.krad.data.jpa;
  
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.kuali.rice.krad.data.KradDataServiceLocator;
  import org.kuali.rice.krad.data.metadata.DataObjectMetadata;
  import org.kuali.rice.krad.data.provider.MetadataProvider;
  import org.kuali.rice.krad.data.provider.impl.CompositeMetadataProviderImpl;
  import org.kuali.rice.krad.test.KRADTestCase;
  
  import java.util.List;
  import java.util.Map;
  
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Integration test for the JpaMetadataProvider.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class JpaMetadataProviderTest extends KRADTestCase {
  
      @Test
      public void verifyInRegistry() {
          assertNotNull( "Unable to obtain the registry", KradDataServiceLocator.getProviderRegistry() );
          List<MetadataProvider> metadataProviders = KradDataServiceLocator.getProviderRegistry().getMetadataProviders();
          assertNotNull("metadata provider list was null", metadataProviders);
          assertTrue("There should be at least one metadata provider.", metadataProviders.size() > 1);
          for (MetadataProvider provider : metadataProviders) {
              assertTrue("All entries should be the CompositeMetadataProviderImpl: " + provider,
                  provider instanceof CompositeMetadataProviderImpl);
          }
      }
  
      @Test
      public void verifyRetrievalOfMetadata() {
          assertNotNull( "Unable to obtain the registry", KradDataServiceLocator.getProviderRegistry() );
          List<MetadataProvider> metadataProviders = KradDataServiceLocator.getProviderRegistry().getMetadataProviders();
          Map<Class<?>, DataObjectMetadata> provideMetadata = metadataProviders.get(0).provideMetadata();
          assertNotNull("returned metadata map should not be null", provideMetadata);
          Assert.assertFalse("returned metadata map should not be empty", provideMetadata.isEmpty());
      }
  
  }