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1
8 package org.picocontainer.defaults;
9
10 import junit.framework.TestCase;
11 import org.picocontainer.ComponentAdapter;
12 import org.picocontainer.ComponentMonitor;
13 import org.picocontainer.Parameter;
14 import org.picocontainer.PicoContainer;
15 import org.picocontainer.PicoInitializationException;
16 import org.picocontainer.PicoIntrospectionException;
17 import org.picocontainer.PicoVerificationException;
18 import org.picocontainer.PicoVisitor;
19
20 import java.lang.reflect.Constructor  ;
21
22
26 public class ComponentAdapterTestCase
27 extends TestCase {
28
29 private static class TestComponentAdapter extends AbstractComponentAdapter {
30 TestComponentAdapter(Object componentKey, Class componentImplementation, ComponentMonitor componentMonitor) throws AssignabilityRegistrationException {
31 super(componentKey, componentImplementation, componentMonitor);
32 }
33 TestComponentAdapter(Object componentKey, Class componentImplementation) throws AssignabilityRegistrationException {
34 super(componentKey, componentImplementation);
35 }
36 public Object getComponentInstance(PicoContainer container) throws PicoInitializationException, PicoIntrospectionException {
37 return null;
38 }
39 public void verify(PicoContainer container) throws PicoVerificationException {
40 }
41
42 }
43
44 private static class TestMonitoringComponentAdapter extends MonitoringComponentAdapter {
45 TestMonitoringComponentAdapter(ComponentMonitor componentMonitor) throws AssignabilityRegistrationException {
46 super(componentMonitor);
47 }
48 public Object getComponentInstance(PicoContainer container) throws PicoInitializationException, PicoIntrospectionException {
49 return null;
50 }
51 public void verify(PicoContainer container) throws PicoVerificationException {
52 }
53 public Object getComponentKey() {
54 return null;
55 }
56 public Class getComponentImplementation() {
57 return null;
58 }
59 public void accept(PicoVisitor visitor) {
60 }
61 }
62
63 private static class TestInstantiatingComponentAdapter extends InstantiatingComponentAdapter {
64 TestInstantiatingComponentAdapter(Object componentKey, Class componentImplementation, Parameter[] parameters, boolean allowNonPublicClasses) {
65 super(componentKey, componentImplementation, parameters, allowNonPublicClasses);
66 }
67 protected Constructor getGreediestSatisfiableConstructor(PicoContainer container) throws PicoIntrospectionException, UnsatisfiableDependenciesException, AmbiguousComponentResolutionException, AssignabilityRegistrationException, NotConcreteRegistrationException {
68 return null;
69 }
70 public Object getComponentInstance(PicoContainer container) throws PicoInitializationException, PicoIntrospectionException {
71 return null;
72 }
73 }
74
75 public void testComponentImplementationMayNotBeNull() {
76 try {
77 new TestComponentAdapter("Key", null);
78 fail("NullPointerException expected");
79 } catch (NullPointerException e) {
80 assertEquals("componentImplementation", e.getMessage());
81 }
82 }
83
84 public void testComponentKeyCanBeNullButNotRequested() {
85 ComponentAdapter componentAdapter = new TestComponentAdapter(null, String .class);
86 try {
87 componentAdapter.getComponentKey();
88 fail("NullPointerException expected");
89 } catch (NullPointerException e) {
90 assertEquals("componentKey", e.getMessage());
91 }
92 }
93
94 public void testComponentMonitorMayNotBeNull() {
95 try {
96 new TestComponentAdapter("Key", String .class, null);
97 fail("NullPointerException expected");
98 } catch (NullPointerException e) {
99 assertEquals("monitor", e.getMessage());
100 }
101 try {
102 new TestMonitoringComponentAdapter(null);
103 fail("NullPointerException expected");
104 } catch (NullPointerException e) {
105 assertEquals("monitor", e.getMessage());
106 }
107 }
108
109 public void testParameterMayNotBeNull() throws Exception {
110 try {
111 new TestInstantiatingComponentAdapter("Key", String .class, new Parameter[]{new ConstantParameter("Value"), null}, false);
112 fail("Thrown " + NullPointerException .class.getName() + " expected");
113 } catch (final NullPointerException e) {
114 assertTrue(e.getMessage().endsWith("1 is null"));
115 }
116 }
117
118 public void testStringRepresentation() {
119 ComponentAdapter componentAdapter = new TestComponentAdapter("Key", Integer .class);
120 assertEquals(TestComponentAdapter.class.getName() + "[Key]", componentAdapter.toString());
121 }
122 }
123 |
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