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1 /*
2 * ========================================================================
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 * ========================================================================
20 */
21 package org.apache.cactus.sample.servlet.unit;
22
23 import javax.servlet.ServletOutputStream;
24
25 import org.apache.cactus.ServletTestCase;
26
27 /**
28 * Verify that the Cactus client side only reads the test result *after* the
29 * test is finished (ie after the test result has been saved in the application
30 * scope). This JUnit test need to be the first one to be run. Otherwise, the
31 * test result might be that of the previous test and not the current test one,
32 * thus proving nothing !!
33 *
34 * @version $Id: TestClientServerSynchronization.java 238816 2004-02-29 16:36:46Z vmassol $
35 */
36 public class TestClientServerSynchronization extends ServletTestCase
37 {
38 /**
39 * Verify that the test result can be returned correctly even when the
40 * logic in the method to test takes a long time and thus it verifies that
41 * the test result is only returned after it has been written in the
42 * application scope on the server side.
43 *
44 * @exception Exception on test failure
45 */
46 public void testLongProcess() throws Exception
47 {
48 ServletOutputStream os = response.getOutputStream();
49
50 os.print("<html><head><Long Process></head><body>");
51 os.flush();
52
53 // do some processing that takes a while ...
54 Thread.sleep(3000);
55 os.println("Some data</body></html>");
56 }
57
58 //-------------------------------------------------------------------------
59
60 /**
61 * Verify that when big amount of data is returned by the servlet output
62 * stream, it does not io-block.
63 *
64 * @exception Exception on test failure
65 */
66 public void testLotsOfData() throws Exception
67 {
68 ServletOutputStream os = response.getOutputStream();
69
70 os.println("<html><head>Lots of Data</head><body>");
71 os.flush();
72
73 for (int i = 0; i < 5000; i++)
74 {
75 os.println("<p>Lots and lots of data here");
76 }
77
78 os.println("</body></html>");
79 }
80 }