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Java > Open Source Codes > test > chains > TestSimpleChain


1 /*
2  * Copyright 2002-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package test.chains;
17
18 import junit.framework.Test;
19 import junit.framework.TestCase;
20 import junit.framework.TestSuite;
21 import org.apache.axis.AxisFault;
22 import org.apache.axis.Handler;
23 import org.apache.axis.InternalException;
24 import org.apache.axis.MessageContext;
25 import org.apache.axis.SimpleChain;
26 import org.apache.axis.handlers.BasicHandler;
27
28 public class TestSimpleChain extends TestCase
29 {
30     public TestSimpleChain (String JavaDoc name) {
31         super(name);
32     }
33
34     public static Test suite() {
35         return new TestSuite(TestSimpleChain.class);
36     }
37
38     protected void setup() {
39     }
40
41     private class TestHandler extends BasicHandler {
42         public TestHandler() {}
43         public void invoke(MessageContext msgContext) throws AxisFault {}
44     }
45
46     public void testSimpleChainAddHandler()
47     {
48         SimpleChain c = new SimpleChain();
49
50         Handler h1 = new TestHandler();
51         assertTrue("Empty chain has a handler", !c.contains(h1));
52
53         c.addHandler(h1);
54         assertTrue("Added handler not in chain", c.contains(h1));
55     }
56
57     public void testSimpleChainAddHandlerAfterInvoke()
58     {
59         try {
60             SimpleChain c = new SimpleChain();
61             Handler h1 = new TestHandler();
62             c.addHandler(h1);
63
64             // A null engine is good enough for this test
65 MessageContext mc = new MessageContext(null);
66             c.invoke(mc);
67
68             // while testing, disable noise
69 boolean oldLogging = InternalException.getLogging();
70             InternalException.setLogging(false);
71
72             try {
73                 Handler h2 = new TestHandler();
74                 c.addHandler(h2);
75                 assertTrue("Handler added after chain invoked", false);
76             } catch (Exception JavaDoc e) {
77                 // Correct behaviour. Exact exception isn't critical
78 }
79
80             // resume noise
81 InternalException.setLogging(oldLogging);
82         } catch (AxisFault af) {
83             assertTrue("Unexpected exception", false);
84         }
85     }
86 }
87
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