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1
10 package org.picocontainer.tck;
11
12 import junit.framework.TestCase;
13 import org.picocontainer.MutablePicoContainer;
14 import org.picocontainer.Parameter;
15 import org.picocontainer.PicoException;
16 import org.picocontainer.PicoRegistrationException;
17 import org.picocontainer.defaults.ComponentParameter;
18 import org.picocontainer.defaults.ConstantParameter;
19 import org.picocontainer.defaults.TooManySatisfiableConstructorsException;
20
21
25 public abstract class AbstractMultipleConstructorTestCase extends TestCase {
26
27 protected abstract MutablePicoContainer createPicoContainer();
28
29 public static class Multi {
30 public String  message;
31
32 public Multi(One one, Two two, Three three) {
33 message = "one two three";
34 }
35
36 public Multi(One one, Two two) {
37 message = "one two";
38 }
39
40 public Multi(Two two, One one) {
41 message = "two one";
42 }
43
44 public Multi(Two two, Three three) {
45 message = "two three";
46 }
47
48 public Multi(Three three, One one) {
49 message = "three one";
50 }
51
52 public Multi(One one, String string) {
53 message = "one string";
54 }
55
56 public Multi(One one, int i) {
57 message = "one int";
58 }
59
60 public Multi() {
61 message = "none";
62 }
63 }
64
65 public static class One {
66 }
67
68 public static class Two {
69 }
70
71 public static class Three {
72 }
73
74
75 public void testStringWorks() throws PicoException, PicoRegistrationException {
76 MutablePicoContainer pico = createPicoContainer();
77 pico.registerComponentImplementation(String .class);
78 assertEquals("", pico.getComponentInstance(String .class));
79 }
80
81 public void testMultiWithOnlySmallSatisfiedDependencyWorks() throws PicoException, PicoRegistrationException {
82 MutablePicoContainer pico = createPicoContainer();
83 pico.registerComponentImplementation(Multi.class);
84 pico.registerComponentImplementation(One.class);
85 pico.registerComponentImplementation(Three.class);
86
87 Multi multi = (Multi) pico.getComponentInstance(Multi.class);
88 assertEquals("three one", multi.message);
89 }
90
91 public void testMultiWithBothSatisfiedDependencyWorks() throws PicoException, PicoRegistrationException {
92 MutablePicoContainer pico = createPicoContainer();
93 pico.registerComponentImplementation(Multi.class);
94 pico.registerComponentImplementation(One.class);
95 pico.registerComponentImplementation(Two.class);
96 pico.registerComponentImplementation(Three.class);
97
98 Multi multi = (Multi) pico.getComponentInstance(Multi.class);
99 assertEquals("one two three", multi.message);
100 }
101
102 public void testMultiWithTwoEquallyBigSatisfiedDependenciesFails() throws PicoException, PicoRegistrationException {
103 MutablePicoContainer pico = createPicoContainer();
104 pico.registerComponentImplementation(Multi.class);
105 pico.registerComponentImplementation(One.class);
106 pico.registerComponentImplementation(Two.class);
107
108 try {
109 pico.getComponentInstance(Multi.class);
110 fail();
111 } catch (TooManySatisfiableConstructorsException e) {
112 assertTrue(e.getMessage().indexOf("Three") == -1);
113 assertEquals(3, e.getConstructors().size());
114 assertEquals(Multi.class, e.getForImplementationClass());
115 }
116 }
117
118 public void testMultiWithSatisfyingDependencyAndParametersWorks() throws PicoException, PicoRegistrationException {
119 MutablePicoContainer pico = createPicoContainer();
120 pico.registerComponentImplementation("MultiOneTwo", Multi.class, new Parameter[]{
121 ComponentParameter.DEFAULT,
122 new ComponentParameter("Two"),
123 });
124 pico.registerComponentImplementation("MultiTwoOne", Multi.class, new Parameter[]{
125 new ComponentParameter("Two"),
126 ComponentParameter.DEFAULT,
127 });
128 pico.registerComponentImplementation("MultiOneString", Multi.class, new Parameter[]{
129 ComponentParameter.DEFAULT,
130 new ConstantParameter(""),
131 });
132 pico.registerComponentImplementation("MultiOneInt", Multi.class, new Parameter[]{
133 ComponentParameter.DEFAULT,
134 new ConstantParameter(new Integer (5)),
135 });
136 pico.registerComponentImplementation("MultiNone", Multi.class, new Parameter[]{});
137 pico.registerComponentImplementation(One.class);
138 pico.registerComponentImplementation("Two", Two.class);
139
140 Multi multiOneTwo = (Multi) pico.getComponentInstance("MultiOneTwo");
141 assertEquals("one two", multiOneTwo.message);
142 Multi multiTwoOne = (Multi) pico.getComponentInstance("MultiTwoOne");
143 assertEquals("two one", multiTwoOne.message);
144 Multi multiOneString = (Multi) pico.getComponentInstance("MultiOneString");
145 assertEquals("one string", multiOneString.message);
146 Multi multiOneInt = (Multi) pico.getComponentInstance("MultiOneInt");
147 assertEquals("one int", multiOneInt.message);
148 Multi multiNone = (Multi) pico.getComponentInstance("MultiNone");
149 assertEquals("none", multiNone.message);
150 }
151 }
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