SetValueBindingTest


1   /*
2    * Copyright 2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.myfaces.el;
17  
18  import javax.faces.el.ValueBinding;
19  
20  
21  /**
22   * @author Manfred Geiler (latest modification by $Author: matze $)
23   * @author Anton Koinov
24   * @version $Revision: 1.10 $ $Date: 2004/10/13 11:50:59 $
25   */
26  public class SetValueBindingTest extends ELBaseTest
27  {
28      //~ Constructors -------------------------------------------------------------------------------
29  
30      public SetValueBindingTest(String   name)
31      {
32          super(name);
33      }
34  
35      //~ Methods ------------------------------------------------------------------------------------
36  
37      public void testSetValue() throws Exception  
38      {
39          ValueBinding vb;
40  
41          vb = _application.createValueBinding("#{theA.theB.name}");
42          vb.setValue(_facesContext, "test");
43  
44          vb = _application.createValueBinding("#{testmap.newValue}");
45          vb.setValue(_facesContext, "newValue");
46          assertSame("newValue", vb.getValue(_facesContext));
47  
48          vb     = _application.createValueBinding("#{ testmap [ \"o\" ] [ 'obj' ] }");
49          vb.setValue(_facesContext, "NEW_OBJECT");
50          assertSame("NEW_OBJECT", vb.getValue(_facesContext));
51  
52          vb = _application.createValueBinding("#{ testmap  [  0  ]  [  0  ]}");
53          vb.setValue(_facesContext, _theA);
54          assertSame(_theA, vb.getValue(_facesContext));
55          
56          vb = _application.createValueBinding(
57              "#{testmap.list[4].list[testmap.list[4][1][0][testmap.list[4][0][1]]][0][0]}");
58          vb.setValue(_facesContext, "zzz");
59          assertSame("zzz", vb.getValue(_facesContext));
60          
61          vb = _application.createValueBinding("#{nonExistingValueBlahBlahBlah}");
62          vb.setValue(_facesContext, new Double  (5.5));
63          assertEquals(new Double  (5.5), vb.getValue(_facesContext));
64      }
65      
66      public void testSetRootValueDefaultScope()
67      {
68          ValueBinding vb;
69  
70          // --------------------------------------------------
71          // Test setting/updating value in the default request scope
72          
73          // set to a new variable
74          vb = _application.createValueBinding("#{newVar}");
75          vb.setValue(_facesContext, "test-value");
76          assertSame("test-value", vb.getValue(_facesContext));
77  
78          // update existing variable
79          vb.setValue(_facesContext, "another-value");
80          assertSame("another-value", vb.getValue(_facesContext));
81  
82          // make sure it was created in requestScope
83          vb = _application.createValueBinding("#{requestScope.newVar}");
84          assertSame("another-value", vb.getValue(_facesContext));
85      }
86      
87      public void testSetRootValueNonDefaultScope()
88      {
89          ValueBinding vb;
90          
91          // set to a new variable in application scope
92          vb = _application.createValueBinding("#{applicationScope.newVar1}");
93          vb.setValue(_facesContext, "test-value");
94          assertSame("test-value", vb.getValue(_facesContext));
95  
96          // update existing variable without providing scope
97          vb = _application.createValueBinding("#{newVar1}");
98          vb.setValue(_facesContext, "another-value");
99          assertSame("another-value", vb.getValue(_facesContext));
100 
101         // make sure it was updated in application scope
102         vb = _application.createValueBinding("#{applicationScope.newVar1}");
103         assertSame("another-value", vb.getValue(_facesContext));
104     }
105     
106     public void testSetWithCoercion()
107     {
108         ValueBinding vb;
109         
110         // set to a new variable in session scope
111         vb = _application.createValueBinding("#{sessionScope.newVar2}");
112         vb.setValue(_facesContext, new Integer  (123));
113         assertEquals(new Integer  (123), vb.getValue(_facesContext));
114 
115         // update existing variable without providing scope
116         vb = _application.createValueBinding("#{newVar2}");
117         vb.setValue(_facesContext, new Double  (321.123));
118         assertEquals(new Integer  (321), vb.getValue(_facesContext));
119 
120         // make sure it was updated in session scope
121         vb = _application.createValueBinding("#{sessionScope.newVar2}");
122         assertEquals(new Integer  (321), vb.getValue(_facesContext));
123         
124         try
125         {
126             vb.setValue(_facesContext, new B());
127             assertTrue(false);
128         }
129         catch (Exception   e)
130         {
131             // expected: error because B cannot be coerced Integer
132         }
133     }
134     
135     public void testCoercion()
136     {
137         ValueBinding vb;
138 
139         // test with no coercion needed
140         vb = _application.createValueBinding("#{arrd[0]}");
141         vb.setValue(_facesContext, new Double  (666.666));
142         assertEquals(new Double  (666.666), vb.getValue(_facesContext));
143 
144         vb = _application.createValueBinding("#{arri[0]}");
145         vb.setValue(_facesContext, new Integer  (667));
146         assertEquals(new Integer  (667), vb.getValue(_facesContext));
147 
148         vb = _application.createValueBinding("#{arrD[0]}");
149         vb.setValue(_facesContext, new Double  (668.666));
150         assertEquals(new Double  (668.666), vb.getValue(_facesContext));
151 
152         vb = _application.createValueBinding("#{arrI[0]}");
153         vb.setValue(_facesContext, new Integer  (669));
154         assertEquals(new Integer  (669), vb.getValue(_facesContext));
155 
156         // test with coercion
157         vb = _application.createValueBinding("#{arrd[0]}");
158         vb.setValue(_facesContext, new Integer  (666));
159         assertEquals(new Double  (666), vb.getValue(_facesContext));
160 
161         vb = _application.createValueBinding("#{arri[0]}");
162         vb.setValue(_facesContext, new Double  (667.666));
163         assertEquals(new Integer  (667), vb.getValue(_facesContext));
164 
165         vb = _application.createValueBinding("#{arrD[0]}");
166         vb.setValue(_facesContext, new Integer  (668));
167         assertEquals(new Double  (668), vb.getValue(_facesContext));
168 
169         vb = _application.createValueBinding("#{arrI[0]}");
170         vb.setValue(_facesContext, new Double  (669.666));
171         assertEquals(new Integer  (669), vb.getValue(_facesContext));
172     }
173     
174     public void testSetImplicitObject()
175     {
176         try 
177         {
178             _application.createValueBinding("#{cookie}").setValue(_facesContext, null);
179             assertTrue(false);
180         }
181         catch (Exception   e) {
182             // ignore, error expected
183         }
184     }
185     
186     public void testSetManagedBean()
187     {
188         ValueBinding vb;
189         
190         vb = _application.createValueBinding("#{testBean_B}");
191         try 
192         {
193             vb.setValue(_facesContext, new Double  (5.5));
194             assertTrue(false);
195         }
196         catch (Exception   e)
197         {
198             // expected: error because Double cannot be coerced to Managed Bean B's class
199         }
200 
201         // The above setValue must not have created the bean
202         vb = _application.createValueBinding("#{sessionScope.testBean_B}");
203         assertNull(vb.getValue(_facesContext));
204 
205         B b = new B();
206         b.setName("differentName");
207         vb = _application.createValueBinding("#{testBean_B}");
208         vb.setValue(_facesContext, b);
209         
210         // check that the managed bean was created in the correct scope
211         vb = _application.createValueBinding("#{sessionScope.testBean_B.name}");
212         assertEquals("differentName", vb.getValue(_facesContext));
213         
214         vb = _application.createValueBinding("#{testBean_B.name}");
215         assertEquals("differentName", vb.getValue(_facesContext));
216     }
217     
218     public void testSetNullValue() 
219     {
220         ValueBinding vb;
221 
222         vb = _application.createValueBinding("#{testmap.o.obj}");
223         assertNotNull(vb.getValue(_facesContext));
224         vb.setValue(_facesContext, null);
225         assertNull(vb.getValue(_facesContext));
226     }
227 }
228
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