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.engine.state;
016    
017    import java.util.HashMap;
018    
019    import org.apache.hivemind.ApplicationRuntimeException;
020    import org.apache.hivemind.Location;
021    import org.apache.tapestry.BaseComponentTestCase;
022    import org.testng.annotations.Test;
023    
024    /**
025     * Tests for {@link org.apache.tapestry.engine.state.InstantiateClassStateObjectFactory}.
026     * 
027     * @author Howard M. Lewis Ship
028     * @since 4.0
029     */
030    @Test
031    public class TestInstantiateClassStateObjectFactory extends BaseComponentTestCase
032    {
033        public void testSuccess()
034        {
035            InstantiateClassStateObjectFactory f = new InstantiateClassStateObjectFactory();
036            f.setObjectClass(HashMap.class);
037    
038            Object result = f.createStateObject();
039    
040            assertTrue(result instanceof HashMap);
041        }
042    
043        public void testFailure()
044        {
045            Location l = fabricateLocation(1234);
046    
047            InstantiateClassStateObjectFactory f = new InstantiateClassStateObjectFactory();
048    
049            f.setLocation(l);
050            f.setObjectClass(Runnable.class);
051    
052            try
053            {
054                f.createStateObject();
055                unreachable();
056            }
057            catch (ApplicationRuntimeException ex)
058            {
059                assertExceptionSubstring(
060                        ex,
061                        "Unable to instantiate an instance of interface java.lang.Runnable");
062    
063                assertSame(l, ex.getLocation());
064            }
065        }
066    }