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1
10 package org.picocontainer.defaults;
11
12 import junit.framework.TestCase;
13
14 import org.picocontainer.ComponentAdapter;
15 import org.picocontainer.MutablePicoContainer;
16 import org.picocontainer.Parameter;
17 import org.picocontainer.PicoInitializationException;
18 import org.picocontainer.PicoIntrospectionException;
19 import org.picocontainer.PicoRegistrationException;
20 import org.picocontainer.testmodel.DependsOnTouchable;
21 import org.picocontainer.testmodel.SimpleTouchable;
22 import org.picocontainer.testmodel.Touchable;
23
24
25
29 public class ParameterTestCase extends TestCase {
30
31 public void testComponentParameterFetches() throws PicoRegistrationException, PicoInitializationException {
32 DefaultPicoContainer pico = new DefaultPicoContainer();
33 ComponentAdapter adapter = pico.registerComponentImplementation(Touchable.class, SimpleTouchable.class);
34 assertNotNull(adapter);
35 assertNotNull(pico.getComponentInstance(Touchable.class));
36 Touchable touchable = (Touchable) ComponentParameter.DEFAULT.resolveInstance(pico, null, Touchable.class);
37 assertNotNull(touchable);
38 }
39
40 public void testComponentParameterExcludesSelf() throws PicoRegistrationException, PicoInitializationException {
41 DefaultPicoContainer pico = new DefaultPicoContainer();
42 ComponentAdapter adapter = pico.registerComponentImplementation(Touchable.class, SimpleTouchable.class);
43
44 assertNotNull(pico.getComponentInstance(Touchable.class));
45 Touchable touchable = (Touchable) ComponentParameter.DEFAULT.resolveInstance(pico, adapter, Touchable.class);
46 assertNull(touchable);
47 }
48
49 public void testConstantParameter() throws PicoInitializationException, AssignabilityRegistrationException, NotConcreteRegistrationException, PicoIntrospectionException {
50 Object  value = new Object ();
51 ConstantParameter parameter = new ConstantParameter(value);
52 MutablePicoContainer picoContainer = new DefaultPicoContainer();
53 assertSame(value, parameter.resolveInstance(picoContainer, null, Object .class));
54 }
55
56 public void testDependsOnTouchableWithTouchableSpecifiedAsConstant() throws PicoRegistrationException, PicoInitializationException {
57 DefaultPicoContainer pico = new DefaultPicoContainer();
58 SimpleTouchable touchable = new SimpleTouchable();
59 pico.registerComponentImplementation(DependsOnTouchable.class, DependsOnTouchable.class, new Parameter[]{
60 new ConstantParameter(touchable)
61 });
62 pico.getComponentInstances();
63 assertTrue(touchable.wasTouched);
64 }
65
66 public void testComponentParameterRespectsExpectedType() {
67 MutablePicoContainer picoContainer = new DefaultPicoContainer();
68 ComponentAdapter adapter = picoContainer.registerComponentImplementation(Touchable.class, SimpleTouchable.class);
69 assertNull(ComponentParameter.DEFAULT.resolveInstance(picoContainer, adapter, TestCase.class));
70 }
71
72 public void testComponentParameterResolvesPrimitiveType() {
73 MutablePicoContainer picoContainer = new DefaultPicoContainer();
74 ComponentAdapter adapter = picoContainer.registerComponentInstance("glarch", new Integer (239));
75 assertNotNull(adapter);
76 Parameter parameter = new ComponentParameter("glarch");
77 assertNotNull(parameter.resolveInstance(picoContainer,null,Integer.TYPE));
78 assertEquals(239, ((Integer )parameter.resolveInstance(picoContainer,null,Integer.TYPE)).intValue());
79 }
80
81 public void testConstantParameterRespectsExpectedType() {
82 MutablePicoContainer picoContainer = new DefaultPicoContainer();
83 Parameter parameter = new ConstantParameter(new SimpleTouchable());
84 ComponentAdapter adapter = picoContainer.registerComponentImplementation(Touchable.class, SimpleTouchable.class);
85 assertFalse(parameter.isResolvable(picoContainer, adapter, TestCase.class));
86 }
87
88 public void testParameterRespectsExpectedType() throws PicoInitializationException, NotConcreteRegistrationException, PicoIntrospectionException {
89 Parameter parameter = new ConstantParameter(Touchable.class);
90 MutablePicoContainer picoContainer = new DefaultPicoContainer();
91 assertFalse(parameter.isResolvable(picoContainer, null, TestCase.class));
92
93 ComponentAdapter adapter = picoContainer.registerComponentImplementation(Touchable.class, SimpleTouchable.class);
94
95 assertNull(ComponentParameter.DEFAULT.resolveInstance(picoContainer, adapter, TestCase.class));
96 }
97
98 public void testConstantParameterWithPrimitives() throws PicoInitializationException, AssignabilityRegistrationException, NotConcreteRegistrationException, PicoIntrospectionException {
99 MutablePicoContainer picoContainer = new DefaultPicoContainer();
100 Byte byteValue = new Byte ((byte) 5);
101 ConstantParameter parameter = new ConstantParameter(byteValue);
102 assertSame(byteValue, parameter.resolveInstance(picoContainer, null, Byte.TYPE));
103 assertSame(byteValue, parameter.resolveInstance(picoContainer, null, Byte .class));
104 Short shortValue = new Short ((short) 5);
105 parameter = new ConstantParameter(shortValue);
106 assertSame(shortValue, parameter.resolveInstance(picoContainer, null, Short.TYPE));
107 assertSame(shortValue, parameter.resolveInstance(picoContainer, null, Short .class));
108 Integer intValue = new Integer (5);
109 parameter = new ConstantParameter(intValue);
110 assertSame(intValue, parameter.resolveInstance(picoContainer, null, Integer.TYPE));
111 assertSame(intValue, parameter.resolveInstance(picoContainer, null, Integer .class));
112 Long longValue = new Long (5);
113 parameter = new ConstantParameter(longValue);
114 assertSame(longValue, parameter.resolveInstance(picoContainer, null, Long.TYPE));
115 assertSame(longValue, parameter.resolveInstance(picoContainer, null, Long .class));
116 Float floatValue = new Float (5.5);
117 parameter = new ConstantParameter(floatValue);
118 assertSame(floatValue, parameter.resolveInstance(picoContainer, null, Float.TYPE));
119 assertSame(floatValue, parameter.resolveInstance(picoContainer, null, Float .class));
120 Double doubleValue = new Double (5.5);
121 parameter = new ConstantParameter(doubleValue);
122 assertSame(doubleValue, parameter.resolveInstance(picoContainer, null, Double.TYPE));
123 assertSame(doubleValue, parameter.resolveInstance(picoContainer, null, Double .class));
124 Boolean booleanValue = new Boolean (true);
125 parameter = new ConstantParameter(booleanValue);
126 assertSame(booleanValue, parameter.resolveInstance(picoContainer, null, Boolean.TYPE));
127 assertSame(booleanValue, parameter.resolveInstance(picoContainer, null, Boolean .class));
128 Character charValue = new Character ('x');
129 parameter = new ConstantParameter(charValue);
130 assertSame(charValue, parameter.resolveInstance(picoContainer, null, Character.TYPE));
131 assertSame(charValue, parameter.resolveInstance(picoContainer, null, Character .class));
132 }
133
134 public void testConstantParameterWithPrimitivesRejectsUnexpectedType() throws PicoInitializationException, AssignabilityRegistrationException, NotConcreteRegistrationException, PicoIntrospectionException {
135 MutablePicoContainer picoContainer = new DefaultPicoContainer();
136 Byte byteValue = new Byte ((byte) 5);
137 ConstantParameter parameter = new ConstantParameter(byteValue);
138 assertFalse(parameter.isResolvable(picoContainer, null, Integer.TYPE));
139 Short shortValue = new Short ((short) 5);
140 parameter = new ConstantParameter(shortValue);
141 assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE));
142 Integer intValue = new Integer (5);
143 parameter = new ConstantParameter(intValue);
144 assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE));
145 Long longValue = new Long (5);
146 parameter = new ConstantParameter(longValue);
147 assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE));
148 Float floatValue = new Float (5.5);
149 parameter = new ConstantParameter(floatValue);
150 assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE));
151 Double doubleValue = new Double (5.5);
152 parameter = new ConstantParameter(doubleValue);
153 assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE));
154 Boolean booleanValue = new Boolean (true);
155 parameter = new ConstantParameter(booleanValue);
156 assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE));
157 Character charValue = new Character ('x');
158 parameter = new ConstantParameter(charValue);
159 assertFalse(parameter.isResolvable(picoContainer, null, Byte.TYPE));
160 }
161
162 public void testKeyClashBug118() throws PicoRegistrationException, PicoInitializationException {
163 DefaultPicoContainer pico = new DefaultPicoContainer();
164 pico.registerComponentImplementation("A", String .class, new Parameter[]{
165 new ConstantParameter("A")
166 });
167 pico.registerComponentImplementation("B", String .class, new Parameter[]{
168 new ConstantParameter("A")
169 });
170 new VerifyingVisitor().traverse(pico);
171 }
172
173 }
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