/*
    * The akquinet maven-latex-plugin project
    *
    * Copyright (c) 2011 by akquinet tech@spree GmbH
    *
    * Licensed 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.
   */
  
  package eu.simuline.m2latex.core;
  
  import eu.simuline.m2latex.mojo.MavenLogWrapper;
  
  import eu.simuline.m2latex.core.BuildExecutionException;
  import eu.simuline.m2latex.core.BuildFailureException;
  
  import org.apache.maven.plugin.logging.SystemStreamLog;
  
  import java.io.File;
  import java.io.IOException;
  
  import static org.junit.Assert.assertEquals;
  
  import org.junit.Test;
  import org.junit.Ignore;
  import org.junit.Before;
  import org.junit.After;
  
  public class TexFileUtilsTest {
      private final static File WORKING_DIR = 
  	new File(System.getProperty("testResourcesDir"));
  
      // FIXME: occurs also in other testclasses: 
      // to be unified. 
      private static void cleanWorkingDir() {
  	cleanDirRec(WORKING_DIR);
      }
  
      // does not work for hidden directories 
      private static void cleanDirRec(File dir) {
  	assert dir.isDirectory() : "Expected directory. ";
  	File[] files = dir.listFiles();
  	assert files != null : "Directory is not readable. ";
  	boolean proof;
  	for (File file : files) {
  	    assert file.exists();
  	    if (file.isDirectory()) {
  		assert !file.isHidden();
  		cleanDirRec(file);
  		assert file.listFiles().length == 0;
  	    }
  	    if (!file.isHidden()) {
  		proof = file.delete();
  		assert proof;
  	    }
  	}
       }
  
      @Before public void setUp() throws IOException {
  	cleanWorkingDir();
      }
  
      @After public void tearDown() throws IOException {
  	cleanWorkingDir();
      }
  
  
   
      @Test public void testGetTargetDir() throws BuildFailureException {
  
          File expected = new File(WORKING_DIR, "dir2/subdir");
  	TexFileUtils utils = 
  	    new TexFileUtils(new MavenLogWrapper(new SystemStreamLog()));
  	// may throw BuildFailureException 
          File actual = utils
  	    .getTargetDirectory(new File(WORKING_DIR, "dir1/subdir/file"),
  				new File(WORKING_DIR, "dir1"),
  				new File(WORKING_DIR, "dir2"));
          assertEquals(expected, actual);
      }
  }