src/test/java/org/apache/bsf/util/EngineUtilsTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.bsf.util;

import org.apache.bsf.BSFException;
import org.apache.bsf.util.EngineUtils;

import junit.framework.TestCase;

/**
 *
 * This is a testcase for org.apache.bsf.util.EngineUtils
 *
 * @author Nandika Jayawardana <jayawark@yahoo.com>
 *
 */

public class EngineUtilsTest extends TestCase {

    Object result=null;

    public EngineUtilsTest(String name) {
        super(name);
    }
    
    protected void setUp() throws Exception {
        super.setUp();
    }

    public void testCallBeanMethod() {

        Object[] args = new Object[]{new String("MoreConfirmation")};
        TestBean bean = new TestBean("TestBean");

        try {
            result = EngineUtils.callBeanMethod(bean, "getStringValue", null);
        }
        catch (BSFException bsfe) {
            fail("createBean method failed"+bsfe);
        }

        assertEquals("TestBean",(String)result);

        try {
            EngineUtils.callBeanMethod(bean,"setValue",args);
        }
        catch (BSFException bsfe) {
            fail("createBean method failed"+bsfe);
        }

        assertEquals("MoreConfirmation",bean.getStringValue());

        args = new Object[]{new String("aString"),new Integer(1)};

        try {
            EngineUtils.callBeanMethod(bean,"setValue",args);
        }
        catch (BSFException bsfe) {
            fail("createBean method failed"+bsfe);
        }

        assertEquals("aString",bean.getStringValue());
        assertEquals(new Integer(1),(Integer)bean.getNumericValue());

        // try to invoke a method which does not exist ...
        // should throw a BSFException
            try {
                result= EngineUtils.callBeanMethod(bean, "nonExistentMethod",
                                                   args);
                fail();
            }
            catch (BSFException bsfe) {
            }
    }

    public void testCreateBean() throws BSFException {

        Object args[] = new Object[]{ new String("test") };

        try {
            result = EngineUtils.createBean("org.apache.bsf.util.TestBean", args);
        }
        catch (BSFException bsfe) {
            fail("createBean method failed"+bsfe);
        }

        assertNotNull(result);
        assertEquals("test",((TestBean)result).getStringValue());

        // try to create a bean by passing a wrong string ...
        // should throw a BSFException
            try {
                EngineUtils.createBean("nonExsitentClass",null);
                fail();
            }
            catch (BSFException bsfe) {
            }

    }

    public void testGetTypeSignatureString() {
        //test for a non primitive type
        Integer int1 = new Integer(10);
        Object obj = EngineUtils.getTypeSignatureString(int1.getClass());

        assertEquals("Ljava/lang/Integer;",(String)obj);
        assertEquals("I", EngineUtils.getTypeSignatureString(int.class));
    }
}