/**
    * Copyright 2005-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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 org.kuali.rice.kew.plugin;
  
  import org.apache.commons.io.FileUtils;
  import org.junit.Test;
  import org.kuali.rice.core.api.config.property.Config;
  import org.kuali.rice.core.api.util.ClasspathOrFileResourceLoader;
  import org.kuali.rice.kew.test.KEWTestCase;
  import org.kuali.rice.kew.test.TestUtilities;
  
  import java.io.File;
  import java.util.List;
  
  import static org.junit.Assert.*;
  
  /**
   * Tests that the extra classpath features of the plugin work as advertised.
   *
   * <p>Adds the test/src/org/kuali/rice/kew/plugin/classes directory to the extra classes on
   * the classpath.  Adds the test/src/org/kuali/rice/kew/plugin/lib directory to the extra
   * libs on the classpath.  Within the lib directory is a jar called extraclasspath.jar.
   * Inside this jar is a single resource called extraclasspath-lib.txt.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class ExtraClassPathTest extends KEWTestCase {
      
      private PluginRegistry registry;
  
  	@Override
  	public void setUp() throws Exception {
  		// we want to copy the ziptest plugin into the plugin directories before the
  		// test harness starts up.  That way the plugin will be loaded at startup time.
          super.setUp();
  		TestUtilities.initializePluginDirectories();
  		String pluginZipFileLocation = new ClasspathOrFileResourceLoader().getResource("classpath:org/kuali/rice/kew/plugin/extraclasspathtest.zip").getURL().getPath();
  		File pluginZipFile = new File(pluginZipFileLocation);
  		assertTrue("File " + pluginZipFileLocation + " should exist", pluginZipFile.exists());
  		assertTrue("File " + pluginZipFileLocation + " should be a file", pluginZipFile.isFile());
  		FileUtils.copyFileToDirectory(pluginZipFile, TestUtilities.getPluginsDirectory());
  		pluginZipFile = new File(TestUtilities.getPluginsDirectory(), pluginZipFile.getName());
  		FileUtils.forceDeleteOnExit(pluginZipFile);
          registry = new PluginRegistryFactory().createPluginRegistry();
          registry.start();
  	}
  	
  	@Override
  	public void tearDown() throws Exception {
  		super.tearDown();
  		if (registry != null) {
  		    registry.stop();
  		}
  		TestUtilities.cleanupPluginDirectories();
  	}
  	
  	@Test public void testExtraClassPath() throws Exception {
  		// first of all, let's check that the plugin was loaded when the test harness started up
  		List<PluginEnvironment> environments = registry.getPluginEnvironments();
  		assertEquals("There should be 1 plugin environment.", 1, environments.size());
  
  		PluginEnvironment environment = environments.get(0);
  		assertEquals("Should be the extraclasspathtest plugin.", "extraclasspathtest", environment.getPlugin().getName().getLocalPart());
  
  		// check that the properties were configured correctly
          String extraClassesDirName = environment.getPlugin().getConfig().getProperty(Config.EXTRA_CLASSES_DIR);
          String extraLibDirName = environment.getPlugin().getConfig().getProperty(Config.EXTRA_LIB_DIR);
  
          File extraClassesDir = new ClasspathOrFileResourceLoader().getResource(extraClassesDirName).getFile();
  		assertTrue("extra classes dir (" + extraClassesDirName + ") should exist.", extraClassesDir.exists());
  		assertTrue("extra classes dir (" + extraClassesDirName + ") should be a directory.", extraClassesDir.isDirectory());
  		File extraLibDir = new File(extraLibDirName);
  		assertTrue("extra lib dir (" + extraLibDirName + ") should exist.", extraLibDir.exists());
  		assertTrue("extra lib dir (" + extraLibDirName + ") should be a directory.", extraLibDir.isDirectory());
  
  		// now verify that the resources from the extra classes and extra lib dirs got loaded
  		ClassLoader classLoader = environment.getPlugin().getClassLoader();
  		assertNotNull("Resource should exist.", classLoader.getResource("extraclasspath-classes.txt"));
  		assertNotNull("Resource should exist.", classLoader.getResource("extraclasspath-lib.txt"));
  	}
  
  }