/*
    * 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.
   */
  package org.apache.commons.vfs2.util;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  import java.io.File;
  import java.lang.reflect.InvocationTargetException;
  
  import org.apache.commons.vfs2.FileSystemException;
  import org.apache.commons.vfs2.FileSystemOptions;
  import org.apache.commons.vfs2.impl.StandardFileSystemManager;
  import org.apache.commons.vfs2.provider.http.HttpFileSystemConfigBuilder;
  import org.apache.commons.vfs2.provider.sftp.SftpFileSystemConfigBuilder;
  import org.apache.commons.vfs2.provider.sftp.TrustEveryoneUserInfo;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Some tests for the DelegatingFileSystemOptionsBuilder
   */
  public class DelegatingFileSystemOptionsBuilderTest {
      private static final String[] schemes = new String[] { "http", "ftp", "file", "zip", "tar", "tgz", "bz2", "gz",
              "jar", "tmp", "ram" };
  
      private StandardFileSystemManager fsm;
  
      @Before
      public void setUp() throws Exception {
  
          // get a full blown, fully functional manager
          fsm = new StandardFileSystemManager();
          fsm.init();
      }
  
      @After
      public void tearDown() throws Exception {
          if (fsm != null) {
              fsm.close();
          }
      }
  
      @Test
      public void testConfiguration() throws Exception {
          for (final String scheme : schemes) {
              assertTrue("Missing " + scheme + " provider", fsm.hasProvider(scheme));
          }
      }
  
      @Test
      public void testDelegatingBad() throws Throwable {
          final FileSystemOptions opts = new FileSystemOptions();
          final DelegatingFileSystemOptionsBuilder delgate = new DelegatingFileSystemOptionsBuilder(fsm);
  
          try {
              delgate.setConfigString(opts, "http", "proxyPort", "wrong_port");
              fail();
          } catch (final FileSystemException e) {
              assertSame(e.getCause().getClass(), InvocationTargetException.class);
              assertSame(((InvocationTargetException) e.getCause()).getTargetException().getClass(),
                      NumberFormatException.class);
          }
  
          try {
              delgate.setConfigClass(opts, "sftp", "userinfo", String.class);
              fail();
          } catch (final FileSystemException e) {
              assertEquals(e.getCode(), "vfs.provider/config-value-invalid.error");
          }
      }
  
      @Test
      public void testDelegatingGood() throws Throwable {
          final String[] identityPaths = new String[] { "/file1", "/file2", };
  
          final FileSystemOptions opts = new FileSystemOptions();
          final DelegatingFileSystemOptionsBuilder delgate = new DelegatingFileSystemOptionsBuilder(fsm);
  
          delgate.setConfigString(opts, "http", "proxyHost", "proxy");
          delgate.setConfigString(opts, "http", "proxyPort", "8080");
         delgate.setConfigClass(opts, "sftp", "userinfo", TrustEveryoneUserInfo.class);
         delgate.setConfigStrings(opts, "sftp", "identities", identityPaths);
 
         assertEquals("http.proxyHost", HttpFileSystemConfigBuilder.getInstance().getProxyHost(opts), "proxy");
         assertEquals("http.proxyPort", HttpFileSystemConfigBuilder.getInstance().getProxyPort(opts), 8080);
         assertSame("sftp.userInfo", SftpFileSystemConfigBuilder.getInstance().getUserInfo(opts).getClass(),
                 TrustEveryoneUserInfo.class);
 
         final File[] identities = SftpFileSystemConfigBuilder.getInstance().getIdentities(opts);
         assertNotNull("sftp.identities", identities);
         assertEquals("sftp.identities size", identities.length, identityPaths.length);
         for (int iterIdentities = 0; iterIdentities < identities.length; iterIdentities++) {
             assertEquals("sftp.identities #" + iterIdentities, identities[iterIdentities].getAbsolutePath(),
                     new File(identityPaths[iterIdentities]).getAbsolutePath());
         }
     }
 }