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Java > Open Source Codes > org > apache > commons > chain > impl > CatalogBaseTestCase


1 /*
2  * Copyright 1999-2004 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 org.apache.commons.chain.impl;
17
18
19 import junit.framework.Test;
20 import junit.framework.TestCase;
21 import junit.framework.TestSuite;
22 import org.apache.commons.chain.Catalog;
23 import org.apache.commons.chain.Command;
24
25 import java.util.Iterator JavaDoc;
26
27
28 /**
29  * <p>Test case for the <code>CatalogBase</code> class.</p>
30  *
31  * @author Craig R. McClanahan
32  * @version $Revision: 1.4 $ $Date: 2004/02/25 00:01:05 $
33  */
34
35 public class CatalogBaseTestCase extends TestCase {
36
37
38     // ---------------------------------------------------- Instance Variables
39
40
41     /**
42      * The {@link Catalog} instance under test.
43      */
44     protected CatalogBase catalog = null;
45
46
47     // ---------------------------------------------------------- Constructors
48
49     /**
50      * Construct a new instance of this test case.
51      *
52      * @param name Name of the test case
53      */
54     public CatalogBaseTestCase(String JavaDoc name) {
55         super(name);
56     }
57
58
59     // -------------------------------------------------- Overall Test Methods
60
61
62     /**
63      * Set up instance variables required by this test case.
64      */
65     public void setUp() {
66         catalog = new CatalogBase();
67     }
68
69
70     /**
71      * Return the tests included in this test suite.
72      */
73     public static Test suite() {
74         return (new TestSuite(CatalogBaseTestCase.class));
75     }
76
77     /**
78      * Tear down instance variables required by this test case.
79      */
80     public void tearDown() {
81         catalog = null;
82     }
83
84
85     // ------------------------------------------------ Individual Test Methods
86
87
88     // Test adding commands
89 public void testAddCommand() {
90         addCommands();
91         checkCommandCount(8);
92     }
93
94
95     // Test getting commands
96 public void testGetCommand() {
97
98         addCommands();
99         Command command = null;
100
101         command = catalog.getCommand("AddingCommand");
102         assertNotNull(command);
103         assertTrue(command instanceof AddingCommand);
104
105         command = catalog.getCommand("DelegatingCommand");
106         assertNotNull(command);
107         assertTrue(command instanceof DelegatingCommand);
108
109         command = catalog.getCommand("DelegatingFilter");
110         assertNotNull(command);
111         assertTrue(command instanceof DelegatingFilter);
112
113         command = catalog.getCommand("ExceptionCommand");
114         assertNotNull(command);
115         assertTrue(command instanceof ExceptionCommand);
116
117         command = catalog.getCommand("ExceptionFilter");
118         assertNotNull(command);
119         assertTrue(command instanceof ExceptionFilter);
120
121         command = catalog.getCommand("NonDelegatingCommand");
122         assertNotNull(command);
123         assertTrue(command instanceof NonDelegatingCommand);
124
125         command = catalog.getCommand("NonDelegatingFilter");
126         assertNotNull(command);
127         assertTrue(command instanceof NonDelegatingFilter);
128
129         command = catalog.getCommand("ChainBase");
130         assertNotNull(command);
131         assertTrue(command instanceof ChainBase);
132
133     }
134
135
136     // The getNames() method is implicitly tested by checkCommandCount()
137
138
139     // Test pristine instance
140 public void testPristine() {
141         checkCommandCount(0);
142         assertNull(catalog.getCommand("AddingCommand"));
143         assertNull(catalog.getCommand("DelegatingCommand"));
144         assertNull(catalog.getCommand("DelegatingFilter"));
145         assertNull(catalog.getCommand("ExceptionCommand"));
146         assertNull(catalog.getCommand("ExceptionFilter"));
147         assertNull(catalog.getCommand("NonDelegatingCommand"));
148         assertNull(catalog.getCommand("NonDelegatingFilter"));
149         assertNull(catalog.getCommand("ChainBase"));
150     }
151
152
153
154
155     // -------------------------------------------------------- Support Methods
156
157
158     // Add an interesting set of commands to the catalog
159 protected void addCommands() {
160         catalog.addCommand("AddingCommand", new AddingCommand("", null));
161         catalog.addCommand("DelegatingCommand", new DelegatingCommand(""));
162         catalog.addCommand("DelegatingFilter", new DelegatingFilter("", ""));
163         catalog.addCommand("ExceptionCommand", new ExceptionCommand(""));
164         catalog.addCommand("ExceptionFilter", new ExceptionFilter("", ""));
165         catalog.addCommand("NonDelegatingCommand", new NonDelegatingCommand(""));
166         catalog.addCommand("NonDelegatingFilter", new NonDelegatingFilter("", ""));
167         catalog.addCommand("ChainBase", new ChainBase());
168     }
169
170
171     // Verify the number of configured commands
172 protected void checkCommandCount(int expected) {
173         int n = 0;
174         Iterator JavaDoc names = catalog.getNames();
175         while (names.hasNext()) {
176             String JavaDoc name = (String JavaDoc) names.next();
177             n++;
178             assertNotNull(name + " exists", catalog.getCommand(name));
179         }
180         assertEquals("Correct command count", expected, n);
181     }
182
183
184 }
185
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