001    // Copyright 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.services.impl;
016    
017    import static org.easymock.EasyMock.expect;
018    
019    import org.apache.hivemind.Location;
020    import org.apache.hivemind.internal.Module;
021    import org.apache.hivemind.schema.Translator;
022    import org.apache.tapestry.BaseComponentTestCase;
023    import org.testng.annotations.Test;
024    
025    /**
026     * Tests for {@link org.apache.tapestry.services.impl.DeferredObjectImpl} and
027     * {@link org.apache.tapestry.services.impl.DeferredObjectTranslator}.
028     * 
029     * @author Howard M. Lewis Ship
030     * @since 4.0
031     */
032    @Test
033    public class TestDeferredObjectTranslator extends BaseComponentTestCase
034    {
035        private Module newModule()
036        {
037            return newMock(Module.class);
038        }
039    
040        private Translator newTranslator(Module module, String objectReference, Location location,
041                Object result)
042        {
043            Translator translator = newMock(Translator.class);
044    
045            expect(translator.translate(module, Object.class, objectReference, location)).andReturn(result);
046    
047            return translator;
048        }
049    
050        public void testDeferredObject()
051        {
052            Object object = new Object();
053            Module module = newModule();
054            Location l = newLocation();
055            Translator translator = newTranslator(module, "OBJ-REFERENCE", l, object);
056    
057            replay();
058    
059            DeferredObject deferred = new DeferredObjectImpl(translator, module, "OBJ-REFERENCE", l);
060    
061            assertSame(object, deferred.getObject());
062    
063            // Check that a second call returns a cached value.
064    
065            assertSame(object, deferred.getObject());
066    
067            verify();
068    
069            assertSame(l, deferred.getLocation());
070        }
071    
072        public void testDeferredObjectTranslator()
073        {
074            Object object = new Object();
075            Module module = newModule();
076            Location l = newLocation();
077            Translator objectTranslator = newTranslator(module, "OBJ-REFERENCE", l, object);
078    
079            replay();
080    
081            DeferredObjectTranslator translator = new DeferredObjectTranslator();
082            translator.setObjectTranslator(objectTranslator);
083    
084            DeferredObject deferred = (DeferredObject) translator.translate(
085                    module,
086                    Object.class,
087                    "OBJ-REFERENCE",
088                    l);
089    
090            assertSame(object, deferred.getObject());
091    
092            // Check that a second call returns a cached value.
093    
094            assertSame(object, deferred.getObject());
095    
096            verify();
097    
098            assertSame(l, deferred.getLocation());
099        }
100    }