001: /*
002: * Licensed to the Apache Software Foundation (ASF) under one
003: * or more contributor license agreements. See the NOTICE file
004: * distributed with this work for additional information
005: * regarding copyright ownership. The ASF licenses this file
006: * to you under the Apache License, Version 2.0 (the
007: * "License"); you may not use this file except in compliance
008: * with the License. You may obtain a copy of the License at
009: *
010: * http://www.apache.org/licenses/LICENSE-2.0
011: *
012: * Unless required by applicable law or agreed to in writing,
013: * software distributed under the License is distributed on an
014: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015: * KIND, either express or implied. See the License for the
016: * specific language governing permissions and limitations
017: * under the License.
018: *
019: */
020: package org.apache.mina.common;
021:
022: import junit.framework.Assert;
023: import junit.framework.TestCase;
024:
025: import org.apache.mina.common.IoFilterChain.Entry;
026:
027: /**
028: * Tests {@link DefaultIoFilterChainBuilder}.
029: *
030: * @author The Apache MINA Project (dev@mina.apache.org)
031: * @version $Rev$, $Date$
032: */
033: public class DefaultIoFilterChainBuilderTest extends TestCase {
034: public static void main(String[] args) {
035: junit.textui.TestRunner
036: .run(DefaultIoFilterChainBuilderTest.class);
037: }
038:
039: @Override
040: protected void setUp() throws Exception {
041: }
042:
043: @Override
044: protected void tearDown() throws Exception {
045: }
046:
047: public void testAdd() throws Exception {
048: DefaultIoFilterChainBuilder builder = new DefaultIoFilterChainBuilder();
049:
050: builder.addFirst("A", new IoFilterAdapter());
051: builder.addLast("B", new IoFilterAdapter());
052: builder.addFirst("C", new IoFilterAdapter());
053: builder.addLast("D", new IoFilterAdapter());
054: builder.addBefore("B", "E", new IoFilterAdapter());
055: builder.addBefore("C", "F", new IoFilterAdapter());
056: builder.addAfter("B", "G", new IoFilterAdapter());
057: builder.addAfter("D", "H", new IoFilterAdapter());
058:
059: String actual = "";
060: for (Entry e : builder.getAll()) {
061: actual += e.getName();
062: }
063:
064: Assert.assertEquals("FCAEBGDH", actual);
065: }
066:
067: public void testGet() throws Exception {
068: DefaultIoFilterChainBuilder builder = new DefaultIoFilterChainBuilder();
069:
070: IoFilter filterA = new IoFilterAdapter();
071: IoFilter filterB = new IoFilterAdapter();
072: IoFilter filterC = new IoFilterAdapter();
073: IoFilter filterD = new IoFilterAdapter();
074:
075: builder.addFirst("A", filterA);
076: builder.addLast("B", filterB);
077: builder.addBefore("B", "C", filterC);
078: builder.addAfter("A", "D", filterD);
079:
080: Assert.assertSame(filterA, builder.get("A"));
081: Assert.assertSame(filterB, builder.get("B"));
082: Assert.assertSame(filterC, builder.get("C"));
083: Assert.assertSame(filterD, builder.get("D"));
084: }
085:
086: public void testRemove() throws Exception {
087: DefaultIoFilterChainBuilder builder = new DefaultIoFilterChainBuilder();
088:
089: builder.addLast("A", new IoFilterAdapter());
090: builder.addLast("B", new IoFilterAdapter());
091: builder.addLast("C", new IoFilterAdapter());
092: builder.addLast("D", new IoFilterAdapter());
093: builder.addLast("E", new IoFilterAdapter());
094:
095: builder.remove("A");
096: builder.remove("E");
097: builder.remove("C");
098: builder.remove("B");
099: builder.remove("D");
100:
101: Assert.assertEquals(0, builder.getAll().size());
102: }
103:
104: public void testClear() throws Exception {
105: DefaultIoFilterChainBuilder builder = new DefaultIoFilterChainBuilder();
106:
107: builder.addLast("A", new IoFilterAdapter());
108: builder.addLast("B", new IoFilterAdapter());
109: builder.addLast("C", new IoFilterAdapter());
110: builder.addLast("D", new IoFilterAdapter());
111: builder.addLast("E", new IoFilterAdapter());
112:
113: builder.clear();
114:
115: Assert.assertEquals(0, builder.getAll().size());
116: }
117:
118: public void testToString() {
119: DefaultIoFilterChainBuilder builder = new DefaultIoFilterChainBuilder();
120:
121: // When the chain is empty
122: Assert.assertEquals("{ empty }", builder.toString());
123:
124: // When there's one filter
125: builder.addLast("A", new IoFilterAdapter() {
126: @Override
127: public String toString() {
128: return "B";
129: }
130: });
131: Assert.assertEquals("{ (A:B) }", builder.toString());
132:
133: // When there are two
134: builder.addLast("C", new IoFilterAdapter() {
135: @Override
136: public String toString() {
137: return "D";
138: }
139: });
140: Assert.assertEquals("{ (A:B), (C:D) }", builder.toString());
141: }
142: }
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