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1 package org.jboss.cache.factories;
2
3 import org.jboss.cache.CacheSPI;
4 import org.jboss.cache.config.Configuration;
5 import org.jboss.cache.interceptors.Interceptor;
6
7 import java.util.List  ;
8
9
12 public class CustomInterceptorChainTest extends InterceptorChainTestBase
13 {
14 private CacheSPI cache;
15
16 protected void setUp() throws Exception
17 {
18 Configuration c = new Configuration();
19 cache = (CacheSPI) DefaultCacheFactory.getInstance().createCache(c);
20 cache.create();
21 }
22
23 protected void tearDown()
24 {
25 if (cache != null)
26 {
27 cache.stop();
28 cache = null;
29 }
30 }
31
32 public void testChainImmutability()
33 {
34 try
35 {
36 cache.getInterceptorChain().add(new TestInterceptor());
37 fail("unsupportedException should have been thrown as the chain obtained from the cache should be immutable");
38 }
39 catch (UnsupportedOperationException uoe)
40 {
41 }
43 }
44
45 public void testInjectionAtHead()
46 {
47 List <Interceptor> interceptors = cache.getInterceptorChain();
48 assertEquals("Expecting 6 interceptors", 7, interceptors.size());
49 assertInterceptorLinkage(interceptors);
50
51 Interceptor x = new TestInterceptor();
52 cache.addInterceptor(x, 0);
53
54 interceptors = cache.getInterceptorChain();
55 assertEquals("Expecting 7 interceptors", 8, interceptors.size());
56 assertInterceptorLinkage(interceptors);
57
58 assertEquals(x, interceptors.get(0));
59 }
60
61 public void testInjectionAtTail()
62 {
63 List <Interceptor> interceptors = cache.getInterceptorChain();
64 assertEquals("Expecting 6 interceptors", 7, interceptors.size());
65 assertInterceptorLinkage(interceptors);
66
67 Interceptor x = new TestInterceptor();
68 cache.addInterceptor(x, 6);
69
70 interceptors = cache.getInterceptorChain();
71 assertEquals("Expecting 7 interceptors", 8, interceptors.size());
72 assertInterceptorLinkage(interceptors);
73
74 assertEquals(x, interceptors.get(6));
75 }
76
77 public void testInjectionInMiddle()
78 {
79 List <Interceptor> interceptors = cache.getInterceptorChain();
80 assertEquals("Expecting 6 interceptors", 7, interceptors.size());
81 assertInterceptorLinkage(interceptors);
82
83 Interceptor x = new TestInterceptor();
84 cache.addInterceptor(x, 3);
85
86 interceptors = cache.getInterceptorChain();
87 assertEquals("Expecting 7 interceptors", 8, interceptors.size());
88 assertInterceptorLinkage(interceptors);
89
90 assertEquals(x, interceptors.get(3));
91 }
92
93 public void testInjectionBeyondTail()
94 {
95 List <Interceptor> interceptors = cache.getInterceptorChain();
96 assertEquals("Expecting 6 interceptors", 7, interceptors.size());
97 assertInterceptorLinkage(interceptors);
98
99 Interceptor x = new TestInterceptor();
100 try
101 {
102 cache.addInterceptor(x, 8);
103 fail("Should throw an exception");
104 }
105 catch (IndexOutOfBoundsException e)
106 {
107 }
109 }
110
111 public void testRemoveAtHead()
112 {
113 List <Interceptor> interceptors = cache.getInterceptorChain();
114 Interceptor afterHead = interceptors.get(1);
115 assertEquals("Expecting 6 interceptors", 7, interceptors.size());
116 assertInterceptorLinkage(interceptors);
117
118 cache.removeInterceptor(0);
119
120 interceptors = cache.getInterceptorChain();
121 assertEquals("Expecting 5 interceptors", 6, interceptors.size());
122 assertInterceptorLinkage(interceptors);
123
124 assertEquals(afterHead, interceptors.get(0));
125 }
126
127 public void testRemoveAtTail()
128 {
129 List <Interceptor> interceptors = cache.getInterceptorChain();
130 Interceptor beforeTail = interceptors.get(4);
131 assertEquals("Expecting 6 interceptors", 7, interceptors.size());
132 assertInterceptorLinkage(interceptors);
133
134 cache.removeInterceptor(5);
135
136 interceptors = cache.getInterceptorChain();
137
138 System.out.println(interceptors);
139
140 assertEquals("Expecting 5 interceptors", 6, interceptors.size());
141 assertInterceptorLinkage(interceptors);
142
143 assertEquals(beforeTail, interceptors.get(4));
144 }
145
146 public void testRemoveAtMiddle()
147 {
148 List <Interceptor> interceptors = cache.getInterceptorChain();
149 assertEquals("Expecting 6 interceptors", 7, interceptors.size());
150 assertInterceptorLinkage(interceptors);
151
152 cache.removeInterceptor(3);
153
154 interceptors = cache.getInterceptorChain();
155 assertEquals("Expecting 5 interceptors", 6, interceptors.size());
156 assertInterceptorLinkage(interceptors);
157 }
158
159 public void testRemoveBeyondTail()
160 {
161 List <Interceptor> interceptors = cache.getInterceptorChain();
162 assertEquals("Expecting 6 interceptors", 7, interceptors.size());
163 assertInterceptorLinkage(interceptors);
164
165 try
166 {
167 cache.removeInterceptor(8);
168 fail("Should throw an exception");
169 }
170 catch (IndexOutOfBoundsException e)
171 {
172 }
174 }
175
176
177 public static class TestInterceptor extends Interceptor
178 {
179 }
180 }
181 |
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