package org.apache.maven.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.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.TreeMap;
  
  import org.apache.maven.scm.command.add.AddScmResult;
  import org.apache.maven.scm.command.checkin.CheckInScmResult;
  import org.apache.maven.scm.command.checkout.CheckOutScmResult;
  import org.apache.maven.scm.command.edit.EditScmResult;
  import org.apache.maven.scm.command.remove.RemoveScmResult;
  import org.apache.maven.scm.provider.ScmProvider;
  import org.apache.maven.scm.repository.ScmRepository;
  import org.codehaus.plexus.util.StringUtils;
  import org.junit.After;
  import org.junit.Before;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import static org.junit.Assume.assumeTrue;
  
  /**
   * Base class for all TcK tests.
   * <p>
   * Basically all it does is to setup a default test enviroment
   * common for all tck tests. The default setup includes:
   * <ol>
   * <li>Delete all default locations (working copy, updating copy etc)</li>
   * <li>Initialize the repository</li>
   * <li>Check out the repository to the working copy</li>
   * </ol>
   *
   * @author <a href="mailto:torbjorn@smorgrav.org">Torbj�rn Eikli Sm�rgrav</a>
   *
   */
  public abstract class ScmTckTestCase
      extends ScmTestCase
  {
      private ScmRepository scmRepository;
  
      private List<String> scmFileNames;
  
      /**
       * Some tests can only run if the appropriate application has been installed.
       * If the provided name is not a runnable application all tests in the class are skipped.
       * @return The commandline command for the specific scm provider. Or null if none is needed.
       */
      public String getScmProviderCommand()
      {
          return null;
      }
  
      /**
       * @return A provider specific and valid url for the repository
       * @throws Exception if any
       */
      public abstract String getScmUrl()
          throws Exception;
  
      /**
       * <p>
       * Get the list of file names that is supposed to be in the test repo.
       * </p>
       * <ul>
       * <li>/pom.xml</li>
       * <li>/readme.txt</li>
       * <li>/src/main/java/Application.java</li>
       * <li>/src/test/java/Test.java</li>
       * </ul>
       *
       * @return {@link List} of {@link String} objects
       */
      protected List<String> getScmFileNames()
      {
          return scmFileNames;
      }
 
     /**
      * <p>
      * Initialize repository at the {@link #getScmUrl()} location with the files in {@link #getScmFileNames()}
      * </p>
      * <p>
      * The setup is also asserting on the existence of these files. <br>
      * This should only be used by this class (thus do not call this method from derived classes)
      * </p>
      * <b>Note</b>: 'svnadmin' should be a system command.
      *
      * @throws Exception if any
      */
     public abstract void initRepo()
         throws Exception;
 
     public void checkScmPresence()
     {
         String scmProviderCommand = getScmProviderCommand();
         if ( scmProviderCommand != null )
         {
             assumeTrue( "Skipping tests because the required command '" + scmProviderCommand + "' is not available.",
                 ScmTestCase.isSystemCmd( scmProviderCommand ) );
         }
     }
 
     /**
      * {@inheritDoc}
      */
     @Before
     @Override
     public void setUp()
         throws Exception
     {
         checkScmPresence();
         super.setUp();
 
         scmRepository = null;
 
         scmFileNames = new ArrayList<>( 4 );
         scmFileNames.add( "/pom.xml" );
         scmFileNames.add( "/readme.txt" );
         scmFileNames.add( "/src/main/java/Application.java" );
         scmFileNames.add( "/src/test/java/Test.java" );
 
         initRepo();
 
         checkOut( getWorkingCopy(), getScmRepository() );
 
         Iterator<String> it = getScmFileNames().iterator();
         while ( it.hasNext() )
         {
             assertFile( getWorkingCopy(), it.next() );
         }
     }
 
     /**
      * This method is available to those SCM clients that need to perform
      * a cleanup at the end of the tests. It is needed when server side
      * operations are performed, or the check out dirs are outside
      * of the normal target directory.
      */
     public void removeRepo()
         throws Exception
     {
     }
 
     /**
      * Provided to allow removeRepo() to be called.
      */
     @After
     @Override
     public void tearDown()
         throws Exception
     {
         super.tearDown();
         removeRepo();
     }
 
     /**
      * Convenience method to get the ScmRepository for this provider
      */
     protected ScmRepository getScmRepository()
         throws Exception
     {
         if ( scmRepository == null )
         {
             scmRepository = getScmManager().makeScmRepository( getScmUrl() );
         }
 
         return scmRepository;
     }
 
     /**
      * Convenience method to check out files from the repository
      */
     protected CheckOutScmResult checkOut( File workingDirectory, ScmRepository repository )
         throws Exception
     {
         CheckOutScmResult result =
             getScmManager().getProviderByUrl( getScmUrl() ).checkOut( repository, new ScmFileSet( workingDirectory ),
                                                                       (ScmVersion) null );
 
         assertTrue( "Check result was successful, output: " + result.getCommandOutput(), result.isSuccess() );
 
         return result;
     }
 
     /**
      * Convenience method to check in files to the repository
      */
     protected CheckInScmResult checkIn( File workingDirectory, ScmRepository repository )
         throws Exception
     {
         CheckInScmResult result = getScmManager().getProviderByUrl( getScmUrl() )
             .checkIn( repository, new ScmFileSet( workingDirectory ), (ScmVersion) null, "Initial Checkin" );
 
         assertTrue( "Check result was successful, output: " + result.getCommandOutput(), result.isSuccess() );
 
         return result;
     }
 
     /**
      * Convenience method to remove files from the repository
      */
     protected RemoveScmResult remove( File workingDirectory, ScmRepository repository )
             throws Exception
     {
         RemoveScmResult result = getScmManager().getProviderByUrl( getScmUrl() )
             .remove( repository, new ScmFileSet( workingDirectory ), "Initial Checkin" );
 
         assertTrue( "Remove result was successful, output: " + result.getCommandOutput(), result.isSuccess() );
 
         return result;
     }
 
     /**
      * Convenience method to add a file to the working tree at the working directory
      */
     protected void addToWorkingTree( File workingDirectory, File file, ScmRepository repository )
         throws Exception
     {
         ScmProvider provider = getScmManager().getProviderByUrl( getScmUrl() );
 
         CommandParameters commandParameters = new CommandParameters();
         commandParameters.setString( CommandParameter.FORCE_ADD, Boolean.TRUE.toString() );
 
         AddScmResult result = provider.add( repository, new ScmFileSet( workingDirectory, file ), commandParameters );
 
         assertTrue( "Check result was successful, output: " + result.getCommandOutput(), result.isSuccess() );
 
         List<ScmFile> addedFiles = result.getAddedFiles();
 
         if ( new File( workingDirectory, file.getPath() ).isFile() )
         {
             // Don't check directory add because some SCM tools ignore it
             assertEquals( "Expected 1 file in the added files list " + addedFiles, 1, addedFiles.size() );
         }
     }
 
     /**
      * take the files of the given list, add them to a TreeMap and
      * use the pathName String as key for the Map.
      * This function is useful for every TCK which has to check for the
      * existence of more than 1 file of the returned ScmResult, regardless
      * of their order in the list.
      * All backslashes in the path will be replaced by forward slashes
      * for Windows compatibility.
      *
      * @param files List with {@code ScmFile}s
      * @return Map key=pathName, value=ScmFile
      */
     protected Map<String, ScmFile> mapFilesByPath( List<ScmFile> files )
     {
         if ( files == null )
         {
             return null;
         }
 
         Map<String, ScmFile> mappedFiles = new TreeMap<>();
         for ( ScmFile scmFile : files )
         {
             String path = StringUtils.replace( scmFile.getPath(), "\\", "/" );
             mappedFiles.put( path, scmFile );
         }
 
         return mappedFiles;
     }
 
     protected EditScmResult edit( File basedir, String includes, String excludes, ScmRepository repository )
         throws Exception
     {
         if ( this.getScmManager().getProviderByRepository( this.getScmRepository() ).requiresEditMode() )
         {
             ScmFileSet fileSet = new ScmFileSet( basedir, includes, excludes );
             return getScmManager().edit( getScmRepository(), fileSet );
         }
         return new EditScmResult( "", "", "", true );
     }
 
 }