001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.coerce;
016    
017    import static org.easymock.EasyMock.expect;
018    
019    import java.util.Collections;
020    
021    import org.apache.tapestry.BaseComponentTestCase;
022    import org.testng.annotations.Test;
023    
024    /**
025     * Tests for {@link org.apache.tapestry.coerce.TypeConverterWrapper}.
026     * 
027     * @author Howard M. Lewis Ship
028     * @since 4.0
029     */
030    @Test
031    public class TestTypeConverterWrapper extends BaseComponentTestCase
032    {
033        public void testNonNull()
034        {
035            TypeConverter tc = newMock(TypeConverter.class);
036    
037            Object expected = "BARNEY";
038    
039            expect(tc.convertValue("FRED")).andReturn(expected);
040    
041            replay();
042    
043            TypeConverterContribution contrib = new TypeConverterContribution();
044            contrib.setSubjectClass(Object.class);
045            contrib.setConverter(tc);
046    
047            TypeConverterWrapper w = new TypeConverterWrapper();
048    
049            w.setContributions(Collections.singletonList(contrib));
050    
051            w.initializeService();
052    
053            Object actual = w.convertValue("FRED");
054    
055            assertSame(expected, actual);
056    
057            verify();
058        }
059    
060        public void testNull()
061        {
062            TypeConverter tc = newMock(TypeConverter.class);
063    
064            Object expected = "NULL";
065    
066            expect(tc.convertValue(null)).andReturn(expected);
067    
068            replay();
069    
070            TypeConverterWrapper w = new TypeConverterWrapper();
071    
072            w.setNullConverter(tc);
073    
074            Object actual = w.convertValue(null);
075    
076            assertSame(expected, actual);
077    
078            verify();
079        }
080    
081        public void testNullWithNoNullConverter()
082        {
083            TypeConverterWrapper w = new TypeConverterWrapper();
084    
085            assertNull(w.convertValue(null));
086        }
087    }