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1 package com.tonbeller.wcf.expr;
2
3 import java.beans.PropertyDescriptor  ;
4 import java.util.HashMap ;
5 import java.util.Map ;
6
7 import junit.framework.TestCase;
8
9
12 public class ExprUtilsTest extends TestCase {
13 public class MyBean {
14 Object object = null;
15 int value = 4;
16 public int getValue() {
17 return value;
18 }
19 public void setValue(int newValue) {
20 this.value = newValue;
21 }
22 public Object getObject() {
23 return object;
24 }
25 public void setObject(Object object) {
26 this.object = object;
27 }
28 }
29
30 MyBean bean;
31 ExprContext ctx;
32
33
37 public ExprUtilsTest(String arg0) {
38 super(arg0);
39 }
40
41
44 protected void setUp() throws Exception {
45 bean = new MyBean();
46 final Map map = new HashMap ();
47 map.put("bean", bean);
48
49 ctx = new ExprContext() {
50 public Object findBean(String name) {
51 return map.get(name);
52 }
53 public void setBean(String name, Object value) {
54 map.put(name, value);
55 }
56 };
57 }
58
59 public void testCheckExpr() {
60 try {
61 ExprUtils.checkExpr("${abc.def");
62 assertTrue("Exception expected", false);
63 }
64 catch (IllegalArgumentException e) {
65 }
66
67 try {
68 ExprUtils.checkExpr("${abc.def}");
69 }
70 catch (IllegalArgumentException e) {
71 assertTrue("unexpected exception", false);
72 }
73 }
74
75 public void testGetModelReference() {
76 Object obj = ExprUtils.getModelReference(ctx, "${bean.value}");
77 assertEquals(new Integer (bean.getValue()), obj);
78 obj = ExprUtils.getModelReference(ctx, "bean");
79 assertEquals(bean, obj);
80 }
81
82 public void testBeanName() {
83 assertEquals("bean", ExprUtils.getBeanName("${bean.property}"));
84 }
85
86 public void testSetModelReference() {
87 ExprUtils.setModelReference(ctx, "${bean.value}", new Integer (27));
88 assertEquals(27, bean.getValue());
89 }
90
91 public void testSetBean1() {
92 MyBean b = new MyBean();
93 ExprUtils.setModelReference(ctx, "bean", b);
94 Object o = ExprUtils.getModelReference(ctx, "bean");
95 assertEquals(b, o);
96 o = ExprUtils.getModelReference(ctx, "#{bean}");
97 assertEquals(b, o);
98 o = ExprUtils.getModelReference(ctx, "${bean}");
99 assertEquals(b, o);
100 }
101
102 public void testSetBean2() {
103 MyBean b = new MyBean();
104 ExprUtils.setModelReference(ctx, "${bean}", b);
105 Object o = ExprUtils.getModelReference(ctx, "${bean}");
106 assertEquals(b, o);
107 }
108
109 public void testSetBean3() {
110 Object obj1 = new Object ();
111 ExprUtils.setModelReference(ctx, "${bean.object}", obj1);
112 assertEquals(obj1, bean.getObject());
113 Object obj2 = ExprUtils.getModelReference(ctx, "${bean.object}");
114 assertEquals(obj1, obj2);
115 }
116
117 public void testPropertyDescriptor() {
118 PropertyDescriptor pd = ExprUtils.getPropertyDescriptor(ctx, "#{bean.value}");
119 assertEquals(Integer.TYPE, pd.getPropertyType());
120 }
121 }
122 |
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