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1
8
9 package org.picocontainer.gems.constraints;
10
11 import org.picocontainer.MutablePicoContainer;
12 import org.picocontainer.PicoVisitor;
13 import org.picocontainer.defaults.AmbiguousComponentResolutionException;
14 import org.picocontainer.defaults.DefaultPicoContainer;
15 import org.picocontainer.testmodel.AlternativeTouchable;
16 import org.picocontainer.testmodel.DecoratedTouchable;
17 import org.picocontainer.testmodel.DependsOnTouchable;
18 import org.picocontainer.testmodel.SimpleTouchable;
19 import org.picocontainer.testmodel.Touchable;
20
21 import org.jmock.Mock;
22 import org.jmock.MockObjectTestCase;
23
24
31 public class ConstraintsTestCase extends MockObjectTestCase {
32
33 MutablePicoContainer container;
34
35 protected void setUp() throws Exception  {
36 super.setUp();
37
38 container = new DefaultPicoContainer();
39 container.registerComponentImplementation(SimpleTouchable.class);
40 container.registerComponentImplementation(DecoratedTouchable.class);
41 container.registerComponentImplementation(AlternativeTouchable.class);
42 container.registerComponentImplementation(DependsOnTouchable.class);
43 }
44
45 public void testIsKeyConstraint() {
46 Constraint c = new IsKey(SimpleTouchable.class);
47
48 Object object = c.resolveInstance(container,
49 container.getComponentAdapter(DependsOnTouchable.class),
50 Touchable.class);
51 assertEquals(SimpleTouchable.class, object.getClass());
52 }
53
54 public void testIsTypeConstraint() {
55 Constraint c = new IsType(AlternativeTouchable.class);
56
57 Object object = c.resolveInstance(container,
58 container.getComponentAdapter(DependsOnTouchable.class),
59 Touchable.class);
60 assertEquals(AlternativeTouchable.class, object.getClass());
61 }
62
63 public void testIsKeyTypeConstraint() {
64 container.registerComponentImplementation("Simple", SimpleTouchable.class);
65 container.registerComponentImplementation(new Integer (5), SimpleTouchable.class);
66 container.registerComponentImplementation(Boolean.TRUE, SimpleTouchable.class);
67 Touchable t = (Touchable) container.getComponentInstance(Boolean.TRUE);
68
69 Constraint c = new IsKeyType(Boolean .class);
70
71 assertSame(t, c.resolveInstance(container,
72 container.getComponentAdapter(DependsOnTouchable.class),
73 Touchable.class));
74 }
75
76 public void testConstraintTooBroadThrowsAmbiguityException() {
77 Constraint c = new IsType(Touchable.class);
78
79 try {
80 c.resolveInstance(container,
81 container.getComponentAdapter(DependsOnTouchable.class),
82 Touchable.class);
83 fail("did not throw ambiguous resolution exception");
84 } catch (AmbiguousComponentResolutionException acre) {
85 }
87 }
88
89 public void testFindCandidateConstraintsExcludingOneImplementation() {
90 Constraint c =
91 new CollectionConstraint(
92 new And(new IsType(Touchable.class),
93 new Not(new IsType(DecoratedTouchable.class))));
94 Touchable[] touchables = (Touchable[]) c.resolveInstance(container,
95 container.getComponentAdapter(DependsOnTouchable.class),
96 Touchable[].class);
97 assertEquals(2, touchables.length);
98 for (int i = 0; i < touchables.length; i++) {
99 assertFalse(touchables[i] instanceof DecoratedTouchable);
100 }
101 }
102
103 public void testCollectionChildIdVisitedBreadthFirst() {
104 Mock mockVisior = mock(PicoVisitor.class);
105 PicoVisitor visitor = (PicoVisitor) mockVisior.proxy();
106
107 Mock mockC1 = mock(Constraint.class, "constraint 1");
108 Constraint c1 = (Constraint) mockC1.proxy();
109
110 Constraint c = new CollectionConstraint(c1);
111
112 mockVisior.expects(once()).method("visitParameter")
113 .with(same(c)).id("v");
114 mockC1.expects(once()).method("accept")
115 .with(same(visitor)).after(mockVisior, "v");
116
117 c.accept(visitor);
118 }
119 }
120 |
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