content: package org.apache.archiva.transaction;
  
  /*
   * 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 junit.framework.TestCase;
  import org.apache.archiva.checksum.ChecksumAlgorithm;
  import org.apache.archiva.test.utils.ArchivaBlockJUnit4ClassRunner;
  import org.apache.commons.io.FileUtils;
  import org.junit.Before;
  import org.junit.runner.RunWith;
  
  import java.io.IOException;
  import java.nio.charset.Charset;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.util.Arrays;
  import java.util.List;
  
  /**
   *
   */
  @RunWith( ArchivaBlockJUnit4ClassRunner.class )
  public abstract class AbstractFileEventTest
      extends TestCase
  {
      protected List<ChecksumAlgorithm> checksumAlgorithms;
  
      @SuppressWarnings( "unchecked" )
      @Before
      @Override
      public void setUp()
          throws Exception
      {
          super.setUp();
  
          checksumAlgorithms = Arrays.asList( ChecksumAlgorithm.SHA256, ChecksumAlgorithm.SHA1, ChecksumAlgorithm.MD5 );
      }
  
      protected void assertChecksumExists(Path file, String algorithm )
      {
  
          assertChecksum( file, algorithm, true );
      }
  
      protected void assertChecksumDoesNotExist( Path file, String algorithm )
      {
          assertChecksum( file, algorithm, false );
      }
  
      private void assertChecksum( Path file, String algorithm, boolean exist )
      {
          String msg = exist ? "exists" : "does not exist";
          Path checksumFile = Paths.get( file.toAbsolutePath() + "." + algorithm );
          assertEquals( "Test file " + algorithm + " checksum " + msg, exist, Files.exists(checksumFile) );
      }
  
      protected void assertChecksumCommit( Path file )
          throws IOException
      {
          assertChecksumExists( file, "md5" );
          assertChecksumExists( file, "sha1" );
      }
  
      protected void assertChecksumRollback( Path file )
          throws IOException
      {
          assertChecksumDoesNotExist( file, "md5" );
          assertChecksumDoesNotExist( file, "sha1" );
      }
  
      protected String readFile( Path file )
          throws IOException
      {
          return FileUtils.readFileToString( file.toFile(), Charset.forName( "UTF-8" ) );
      }
  
      protected void writeFile( Path file, String content )
          throws IOException
      {
          org.apache.archiva.common.utils.FileUtils.writeStringToFile( file, Charset.defaultCharset(), content );
      }
  }
  