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51 package org.apache.avalon.framework.service.test;
52
53 import junit.framework.TestCase;
54 import org.apache.avalon.framework.service.ServiceException;
55 import org.apache.avalon.framework.service.DefaultServiceSelector;
56
57
62 public final class DefaultServiceSelectorTestCase
63 extends TestCase
64 {
65 class FeatureComponent
66 {
67 Object  m_feature;
68 public FeatureComponent( final Object feature )
69 {
70 m_feature = feature;
71 }
72
73 public Object getFeature()
74 {
75 return m_feature;
76 }
77 }
78
79 class Hint
80 {
81 String m_name;
82
83 public Hint( final String name )
84 {
85 m_name = name;
86 }
87
88 public String getName()
89 {
90 return m_name;
91 }
92 }
93
94 private DefaultServiceSelector m_componentSelector;
95 protected boolean m_exceptionThrown;
96
97 public DefaultServiceSelectorTestCase()
98 {
99 this("DefaultComponentSelector Test Case");
100 }
101
102 public DefaultServiceSelectorTestCase( final String name )
103 {
104 super( name );
105 }
106
107 protected void setUp()
108 throws Exception
109 {
110 m_componentSelector = new DefaultServiceSelector();
111 m_exceptionThrown =false;
112 }
113
114 protected void tearDown()
115 throws Exception
116 {
117 m_componentSelector = null;
118 }
119
120
126 public void testlookup()
127 throws Exception
128 {
129 Hint hintA = new Hint("a");
130 Hint hintB = new Hint("b");
131 m_componentSelector.put(hintA,new FeatureComponent(hintA));
132 m_componentSelector.put(hintB,new FeatureComponent(hintB));
133 FeatureComponent fComponent = (FeatureComponent)m_componentSelector.select(hintA);
134 assertEquals( hintA, fComponent.getFeature() );
135 Object o = null;
136 try
137 {
138 o = (FeatureComponent)m_componentSelector.select(new Hint("no component"));
139 }
140 catch (ServiceException ce)
141 {
142 m_exceptionThrown = true;
143 }
144 if (o == null)
145 assertTrue("ComponentException was not thrown when component was not found by lookup." ,m_exceptionThrown );
146 else
147 assertTrue("component was found by lookup ,when there was no component.",false);
148 }
149
150 public void testhasComponent()
151 throws Exception
152 {
153 Hint hintA = new Hint("a");
154 Hint hintB = new Hint("b");
155 m_componentSelector.put(hintA,new FeatureComponent(hintA));
156 assertTrue(m_componentSelector.isSelectable(hintA));
157 assertTrue(!m_componentSelector.isSelectable(hintB));
158 }
159
160 public void testmakeReadOnly()
162 throws Exception
163 {
164 Hint hintA = new Hint("a");
165 Hint hintB = new Hint("b");
166 m_componentSelector.put(hintA,new FeatureComponent(hintA));
168 FeatureComponent fComponent = (FeatureComponent)m_componentSelector.select(hintA);
169 assertEquals( hintA, fComponent.getFeature() );
170 m_componentSelector.makeReadOnly();
171 try
173 {
174 m_componentSelector.put(hintB,new FeatureComponent(hintB));
175 }
176 catch (IllegalStateException se)
177 {
178 m_exceptionThrown = true;
179 }
180 assertTrue("IllegalStateException was not thrown in put after makeReadOnly." , m_exceptionThrown );
181 }
182 }
183
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