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20 package org.apache.mina.filter.compression;
21
22 import static org.junit.Assert.assertTrue;
23
24 import org.apache.mina.core.buffer.IoBuffer;
25 import org.apache.mina.core.filterchain.IoFilterChain;
26 import org.apache.mina.core.filterchain.IoFilter.NextFilter;
27 import org.apache.mina.core.session.IoSession;
28 import org.apache.mina.core.write.DefaultWriteRequest;
29 import org.apache.mina.core.write.WriteRequest;
30 import org.easymock.AbstractMatcher;
31 import org.easymock.MockControl;
32 import org.junit.Before;
33 import org.junit.Test;
34
35
36
37
38 public class CompressionFilterTest {
39 private MockControl mockSession;
40
41 private MockControl mockNextFilter;
42
43 private MockControl mockIoFilterChain;
44
45 private IoSession session;
46
47 private NextFilter nextFilter;
48
49 private IoFilterChain ioFilterChain;
50
51 private CompressionFilter filter;
52
53 private Zlib deflater;
54
55 private Zlib inflater;
56
57 private Zlib actualDeflater;
58
59 private Zlib actualInflater;
60
61
62 String strCompress = "The quick brown fox jumps over the lazy dog. "
63 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
64 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
65 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
66 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
67 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
68 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
69 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
70 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
71 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
72 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
73 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. "
74 + "The quick brown fox jumps over the lazy dog. " + "The quick brown fox jumps over the lazy dog. ";
75
76 @Before
77 public void setUp() {
78
79 mockSession = MockControl.createControl(IoSession.class);
80 mockNextFilter = MockControl.createControl(NextFilter.class);
81 mockIoFilterChain = MockControl.createControl(IoFilterChain.class);
82
83
84 mockNextFilter.setDefaultMatcher(new DataMatcher());
85
86 session = (IoSession) mockSession.getMock();
87 nextFilter = (NextFilter) mockNextFilter.getMock();
88 ioFilterChain = (IoFilterChain) mockIoFilterChain.getMock();
89
90
91 filter = new CompressionFilter(CompressionFilter.COMPRESSION_MAX);
92
93
94 deflater = new Zlib(Zlib.COMPRESSION_MAX, Zlib.MODE_DEFLATER);
95 inflater = new Zlib(Zlib.COMPRESSION_MAX, Zlib.MODE_INFLATER);
96
97
98 actualDeflater = new Zlib(Zlib.COMPRESSION_MAX, Zlib.MODE_DEFLATER);
99 actualInflater = new Zlib(Zlib.COMPRESSION_MAX, Zlib.MODE_INFLATER);
100 }
101
102 @Test
103 public void testCompression() throws Exception {
104
105 IoBuffer buf = IoBuffer.wrap(strCompress.getBytes("UTF8"));
106 IoBuffer actualOutput = actualDeflater.deflate(buf);
107 WriteRequest writeRequest = new DefaultWriteRequest(buf);
108
109
110 ioFilterChain.contains(CompressionFilter.class);
111 mockIoFilterChain.setReturnValue(false);
112
113 ioFilterChain.getSession();
114 mockIoFilterChain.setReturnValue(session);
115
116 session.setAttribute(CompressionFilter.class.getName() + ".Deflater", deflater);
117 mockSession.setDefaultMatcher(new DataMatcher());
118 mockSession.setReturnValue(null, MockControl.ONE);
119
120 session.setAttribute(CompressionFilter.class.getName() + ".Inflater", inflater);
121 mockSession.setReturnValue(null, MockControl.ONE);
122
123 session.containsAttribute(CompressionFilter.DISABLE_COMPRESSION_ONCE);
124 mockSession.setReturnValue(false);
125
126 session.getAttribute(CompressionFilter.class.getName() + ".Deflater");
127 mockSession.setReturnValue(deflater);
128
129 nextFilter.filterWrite(session, new DefaultWriteRequest(actualOutput));
130
131
132 mockSession.replay();
133 mockIoFilterChain.replay();
134 mockNextFilter.replay();
135
136
137 filter.onPreAdd(ioFilterChain, "CompressionFilter", nextFilter);
138 filter.filterWrite(nextFilter, session, writeRequest);
139
140
141 mockNextFilter.verify();
142
143 assertTrue(true);
144 }
145
146 @Test
147 public void testDecompression() throws Exception {
148
149 IoBuffer buf = IoBuffer.wrap(strCompress.getBytes("UTF8"));
150 IoBuffer byteInput = actualDeflater.deflate(buf);
151 IoBuffer actualOutput = actualInflater.inflate(byteInput);
152
153
154 ioFilterChain.contains(CompressionFilter.class);
155 mockIoFilterChain.setReturnValue(false);
156
157 ioFilterChain.getSession();
158 mockIoFilterChain.setReturnValue(session);
159
160 session.setAttribute(CompressionFilter.class.getName() + ".Deflater", deflater);
161 mockSession.setDefaultMatcher(new DataMatcher());
162 mockSession.setReturnValue(null, MockControl.ONE);
163
164 session.setAttribute(CompressionFilter.class.getName() + ".Inflater", inflater);
165 mockSession.setReturnValue(null, MockControl.ONE);
166
167 session.getAttribute(CompressionFilter.class.getName() + ".Inflater");
168 mockSession.setReturnValue(inflater);
169
170 nextFilter.messageReceived(session, actualOutput);
171
172
173 mockSession.replay();
174 mockIoFilterChain.replay();
175 mockNextFilter.replay();
176
177
178 filter.onPreAdd(ioFilterChain, "CompressionFilter", nextFilter);
179 filter.messageReceived(nextFilter, session, byteInput);
180
181
182 mockNextFilter.verify();
183
184 assertTrue(true);
185 }
186
187
188
189
190 class DataMatcher extends AbstractMatcher {
191 @Override
192 protected boolean argumentMatches(Object arg0, Object arg1) {
193
194 if (arg0 instanceof WriteRequest) {
195 WriteRequest expected = (WriteRequest) arg0;
196 WriteRequest actual = (WriteRequest) arg1;
197 IoBuffer bExpected = (IoBuffer) expected.getMessage();
198 IoBuffer bActual = (IoBuffer) actual.getMessage();
199 return bExpected.equals(bActual);
200 }
201 return true;
202 }
203 }
204 }