package org.apache.maven.wagon.providers.scm;
   
   /*
    * 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.
   */
  
  import java.io.File;
  import java.io.IOException;
  import java.util.List;
  
  import org.apache.maven.scm.manager.plexus.DefaultScmManager;
  import org.apache.maven.scm.provider.ScmProvider;
  import org.apache.maven.wagon.FileTestUtils;
  import org.apache.maven.wagon.ResourceDoesNotExistException;
  import org.apache.maven.wagon.TransferFailedException;
  import org.apache.maven.wagon.Wagon;
  import org.apache.maven.wagon.WagonConstants;
  import org.apache.maven.wagon.WagonTestCase;
  import org.apache.maven.wagon.authorization.AuthorizationException;
  import org.apache.maven.wagon.repository.Repository;
  import org.apache.maven.wagon.resource.Resource;
  import org.codehaus.plexus.util.FileUtils;
  
  /**
   * Test for {@link ScmWagon}. You need a subclass for each SCM provider you want to test.
   *
   * @author <a href="carlos@apache.org">Carlos Sanchez</a>
   * @version $Id: AbstractScmWagonTest.java 659032 2008-05-22 07:50:35Z brett $
   */
  public abstract class AbstractScmWagonTest
      extends WagonTestCase
  {
  
      private ScmWagon wagon;
  
      private String providerClassName;
  
      protected void setUp()
          throws Exception
      {
          super.setUp();
  
          FileUtils.deleteDirectory( getCheckoutDirectory() );
  
          if ( wagon == null )
          {
              wagon = (ScmWagon) super.getWagon();
  
              DefaultScmManager scmManager = (DefaultScmManager) wagon.getScmManager();
  
              if ( getScmProvider() != null )
              {
                  scmManager.setScmProvider( getScmId(), getScmProvider() );
  
                  providerClassName = getScmProvider().getClass().getName();
              }
              else
              {
                  providerClassName = scmManager.getProviderByType( getScmId() ).getClass().getName();
              }
  
              wagon.setCheckoutDirectory( getCheckoutDirectory() );
          }
      }
  
      /**
       * Allows overriding the {@link ScmProvider} injected by default in the {@link ScmWagon}.
       * Useful to force the implementation to use for a particular SCM type.
       * If this method returns <code>null</code> {@link ScmWagon} will use the default {@link ScmProvider}.
       *
       * @return the {@link ScmProvider} to use in the {@link ScmWagon}
       */
      protected ScmProvider getScmProvider()
      {
          return null;
      }
  
      protected Wagon getWagon()
          throws Exception
      {
          return wagon;
      }
  
      private File getCheckoutDirectory()
     {
         return new File( FileTestUtils.getTestOutputDir(), "/checkout-" + providerClassName );
     }
 
     protected int getExpectedContentLengthOnGet( int expectedSize )
     {
         return WagonConstants.UNKNOWN_LENGTH;
     }
     
     protected long getExpectedLastModifiedOnGet( Repository repository, Resource resource )
     {
         return 0;
     }
 
     /**
      * The SCM id, eg. <code>svn</code>, <code>cvs</code>
      *
      * @return the SCM id
      */
     protected abstract String getScmId();
 
     protected String getProtocol()
     {
         return "scm";
     }
 
     protected void createDirectory( Wagon wagon, String resourceToCreate, String dirName )
         throws Exception
     {
         super.createDirectory( wagon, resourceToCreate, dirName );
         FileUtils.deleteDirectory( getCheckoutDirectory() );
     }
 
     protected void assertResourcesAreInRemoteSide( Wagon wagon, List resourceNames )
         throws IOException, TransferFailedException, ResourceDoesNotExistException, AuthorizationException
     {
         FileUtils.deleteDirectory( getCheckoutDirectory() );
         super.assertResourcesAreInRemoteSide( wagon, resourceNames );
     }
 }