/*
    * 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;
  
  // mport eu.simuline.m2latex.core.BuildExecutionException;
  // import eu.simuline.m2latex.core.BuildFailureException;
  
  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("unitTestResourcesDir"));
  	//private final static File KEEP_ME = 
  	//new File(System.getProperty("keepMe"));
  
  	// 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(this.getClass()));
  		// 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);
  	}
  }