tapestry/tapestry-framework/src/test/org/apache/tapestry/engine/state/TestInstantiateClassStateObjectFactory.java

// Copyright 2005 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.apache.tapestry.engine.state;

import java.util.HashMap;

import org.apache.hivemind.ApplicationRuntimeException;
import org.apache.hivemind.Location;
import org.apache.tapestry.BaseComponentTestCase;
import org.testng.annotations.Test;

/**
 * Tests for {@link org.apache.tapestry.engine.state.InstantiateClassStateObjectFactory}.
 * 
 * @author Howard M. Lewis Ship
 * @since 4.0
 */
@Test
public class TestInstantiateClassStateObjectFactory extends BaseComponentTestCase
{
    public void testSuccess()
    {
        InstantiateClassStateObjectFactory f = new InstantiateClassStateObjectFactory();
        f.setObjectClass(HashMap.class);

        Object result = f.createStateObject();

        assertTrue(result instanceof HashMap);
    }

    public void testFailure()
    {
        Location l = fabricateLocation(1234);

        InstantiateClassStateObjectFactory f = new InstantiateClassStateObjectFactory();

        f.setLocation(l);
        f.setObjectClass(Runnable.class);

        try
        {
            f.createStateObject();
            unreachable();
        }
        catch (ApplicationRuntimeException ex)
        {
            assertExceptionSubstring(
                    ex,
                    "Unable to instantiate an instance of interface java.lang.Runnable");

            assertSame(l, ex.getLocation());
        }
    }
}