package org.apache.maven.surefire.its.fixture;
   
   /*
    * 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.BufferedReader;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileNotFoundException;
  import java.io.FileReader;
  import java.io.IOException;
  import java.net.URI;
  import java.nio.charset.Charset;
  import java.util.List;
  import org.apache.commons.io.FileUtils;
  
  import junit.framework.Assert;
  import org.hamcrest.Matcher;
  
  import static junit.framework.Assert.assertTrue;
  import static org.hamcrest.Matchers.containsString;
  
  /**
   * @author Kristian Rosenvold
   */
  public class TestFile
  {
      private final File file;
  
      private final Charset encoding;
  
      private final OutputValidator surefireVerifier;
  
      public TestFile( File file, OutputValidator surefireVerifier )
      {
          this( file, Charset.defaultCharset(), surefireVerifier);
      }
  
      public TestFile( File file, Charset charset, OutputValidator surefireVerifier )
      {
          try
          {
              this.file = file.getCanonicalFile();
              this.encoding = charset == null ? Charset.defaultCharset() : charset;
              this.surefireVerifier = surefireVerifier;
          }
          catch ( IOException e )
          {
              throw new IllegalArgumentException( file.getPath() );
          }
      }
  
      public OutputValidator assertFileExists()
      {
          assertTrue( "File doesn't exist: " + file.getAbsolutePath(), file.exists() );
          return surefireVerifier;
      }
  
      public OutputValidator assertFileNotExists()
      {
          assertTrue( "File doesn't exist: " + file.getAbsolutePath(), !file.exists() );
          return surefireVerifier;
      }
  
      public void delete()
      {
          //noinspection ResultOfMethodCallIgnored
          file.delete();
      }
  
      public String getAbsolutePath()
      {
          return file.getAbsolutePath();
      }
  
      public boolean exists()
      {
          return file.exists();
      }
  
      public FileInputStream getFileInputStream()
          throws FileNotFoundException
      {
         return new FileInputStream( file );
     }
 
     public String slurpFile()
     {
         StringBuilder sb = new StringBuilder();
         try ( BufferedReader reader = new BufferedReader( new FileReader( file ) ) )
         {
             for ( String line = reader.readLine(); line != null; line = reader.readLine() )
             {
                 sb.append( line );
             }
             return sb.toString();
         }
         catch ( IOException e )
         {
             throw new SurefireVerifierException( e );
         }
     }
 
     public String readFileToString()
     {
         try
         {
             return FileUtils.readFileToString( file );
         }
         catch ( IOException e )
         {
             throw new SurefireVerifierException( e );
         }
     }
 
     public boolean isFile()
     {
         return file.isFile();
     }
 
     public TestFile assertContainsText( Matcher<String> matcher )
     {
         final List<String> list = surefireVerifier.loadFile( file, encoding );
         for ( String line : list )
         {
             if ( matcher.matches( line ) )
             {
                 return this;
             }
         }
         Assert.fail( "Did not find expected message in log" );
         return null;
     }
 
     public TestFile assertContainsText( String text )
     {
         return assertContainsText( containsString( text ) );
     }
 
     public URI toURI()
     {
         return file.toURI();
     }
 
     public File getFile()
     {
         return file;
     }
 }