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1
51 package org.apache.avalon.framework.component.test;
52
53 import junit.framework.TestCase;
54 import org.apache.avalon.framework.component.Component;
55 import org.apache.avalon.framework.component.ComponentException;
56 import org.apache.avalon.framework.component.DefaultComponentManager;
57
58
63 public final class DefaultComponentManagerTestCase
64 extends TestCase
65 {
66
67 class DefaultRoleA
68 implements Component,RoleA
69 {
70 public DefaultRoleA()
71 {
72 }
73 }
74
75 class DefaultRoleB
76 implements Component,RoleB
77 {
78 public DefaultRoleB()
79 {
80 }
81 }
82
83
84 private DefaultComponentManager m_componentManager;
85
86 protected boolean m_exceptionThrown;
87
88
89 public DefaultComponentManagerTestCase()
90 {
91 this("DefaultComponentManager Test Case");
92 }
93
94 public DefaultComponentManagerTestCase( final String  name )
95 {
96 super( name );
97 }
98
99 protected void setUp()
100 throws Exception
101 {
102 m_componentManager = new DefaultComponentManager();
103 m_exceptionThrown = false;
104 }
105
106 protected void tearDown()
107 throws Exception
108 {
109 m_componentManager = null;
110 }
111
112
119
120
121 public void testlookup1()
122 throws Exception
123 {
124 DefaultRoleB roleBinBase = new DefaultRoleB();
125 DefaultRoleB roleBinParent = new DefaultRoleB();
126 DefaultRoleA roleAinParent = new DefaultRoleA();
127
128 m_componentManager.put(RoleA.ROLE,roleAinParent);
129 m_componentManager.put(RoleB.ROLE,roleBinParent);
130 DefaultComponentManager baseComponentManager = new DefaultComponentManager(m_componentManager);
131 baseComponentManager.put(RoleB.ROLE,roleBinBase);
132 Object lookupAinBase = baseComponentManager.lookup(RoleA.ROLE);
133 Object lookupBinBase = baseComponentManager.lookup(RoleB.ROLE);
134 Object lookupBinParent = m_componentManager.lookup(RoleB.ROLE);
135 assertTrue( lookupAinBase instanceof RoleA);
136 assertEquals( lookupBinBase, roleBinBase );
137 assertEquals( lookupBinParent, roleBinParent );
138 assertEquals( lookupAinBase,roleAinParent);
139 }
140
141 public void testlookup2()
142 throws Exception
143 {
144 m_componentManager.put(RoleA.ROLE,new DefaultRoleA());
145 Object o = null;
146 try
147 {
148 o = m_componentManager.lookup(RoleB.ROLE);
149 }
150 catch (ComponentException ce)
151 {
152 m_exceptionThrown = true;
153 }
154 if (o == null)
155 assertTrue("ComponentException was not thrown when component was not found by lookup." ,m_exceptionThrown );
156 else
157 assertTrue("component was found by lookup ,when there was no component.",false);
158
159 }
160
161 public void testhasComponent()
162 throws Exception
163 {
164 m_componentManager.put(RoleA.ROLE,new DefaultRoleA());
165 assertTrue(m_componentManager.hasComponent(RoleA.ROLE));
166 assertTrue(!m_componentManager.hasComponent(RoleB.ROLE));
167 }
168
169 public void testmakeReadOnly()
170 throws Exception
171 {
172 m_componentManager.put(RoleA.ROLE,new DefaultRoleA());
174 Object a = m_componentManager.lookup(RoleA.ROLE);
175 assertTrue( a instanceof RoleA);
176 m_componentManager.makeReadOnly();
177 try
179 {
180 m_componentManager.put(RoleB.ROLE,new DefaultRoleB());
181 }
182 catch (IllegalStateException se)
183 {
184 m_exceptionThrown = true;
185 }
186 assertTrue("IllegalStateException was not thrown in put after makeReadOnly." , m_exceptionThrown );
187 }
188 }
189
190
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