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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      https://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.net;
18  
19  import static org.junit.jupiter.api.Assertions.assertTrue;
20  
21  import java.net.InetSocketAddress;
22  import java.net.Proxy;
23  
24  import org.apache.commons.net.ftp.FTPClient;
25  import org.junit.jupiter.api.Test;
26  
27  /**
28   * A simple functional test class for SocketClients.
29   *
30   * Requires a Java-compatible SOCK proxy server on 127.0.0.1:9050 and access to ftp.gnu.org.
31   */
32  class SocketClientFunctionalTest {
33      private static final String PROXY_HOST = "127.0.0.1";
34      private static final int PROXY_PORT = 9050;
35      private static final String DEST_HOST = "ftp.gnu.org";
36      private static final int DEST_PORT = 21;
37      // any subclass will do, but it should be able to connect to the destination host
38      SocketClient sc = new FTPClient();
39  
40      /**
41       * A simple test to verify that the Proxy settings work.
42       *
43       * @throws Exception in case of connection errors
44       */
45      @Test
46      void testProxySettings() throws Exception {
47          // NOTE: HTTP Proxies seem to be invalid for raw sockets
48          final Proxy proxy = new Proxy(Proxy.Type.SOCKS, new InetSocketAddress(PROXY_HOST, PROXY_PORT));
49          sc.setProxy(proxy);
50          sc.connect(DEST_HOST, DEST_PORT);
51          assertTrue(sc.isConnected());
52          sc.disconnect();
53      }
54  }