dynabeanutilstestcase.java

这是一个有关common beanutils 的源码

/*
 * 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.commons.beanutils;


import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import junit.framework.TestCase;
import junit.framework.Test;
import junit.framework.TestSuite;


/**
 * Test case for BeanUtils when the underlying bean is actually a DynaBean.
 *
 * @author Craig R. McClanahan
 * @version $Revision: 552279 $ $Date: 2007-07-01 12:04:26 +0100 (Sun, 01 Jul 2007) $
 */

public class DynaBeanUtilsTestCase extends TestCase {


    // ----------------------------------------------------- Instance Variables


    /**
     * The basic test bean for each test.
     */
    protected DynaBean bean = null;


    /**
     * The nested bean pointed at by the "nested" property.
     */
    protected TestBean nested = null;


    /**
     * The set of properties that should be described.
     */
    protected String describes[] =
    { "booleanProperty",
      "booleanSecond",
      "byteProperty",
      "doubleProperty",
      "dupProperty",
      "floatProperty",
      "intArray",
      "intIndexed",
      "intProperty",
      "listIndexed",
      "longProperty",
      "mapProperty",
      "mappedProperty",
      "mappedIntProperty",
      "nested",
      "nullProperty",
      //      "readOnlyProperty",
      "shortProperty",
      "stringArray",
      "stringIndexed",
      "stringProperty"
    };


    // ----------------------------------------------------------- Constructors


    /**
     * Construct a new instance of this test case.
     *
     * @param name Name of the test case
     */
    public DynaBeanUtilsTestCase(String name) {

        super(name);

    }


    // --------------------------------------------------- Overall Test Methods


    /**
     * Set up instance variables required by this test case.
     */
    public void setUp() throws Exception {

        ConvertUtils.deregister();

        // Instantiate a new DynaBean instance
        DynaClass dynaClass = createDynaClass();
        bean = dynaClass.newInstance();

        // Initialize the DynaBean's property values (like TestBean)
        bean.set("booleanProperty", new Boolean(true));
        bean.set("booleanSecond", new Boolean(true));
        bean.set("byteProperty", new Byte((byte) 121));
        bean.set("doubleProperty", new Double(321.0));
        bean.set("floatProperty", new Float((float) 123.0));
        String dupProperty[] = { "Dup 0", "Dup 1", "Dup 2", "Dup 3", "Dup 4"};
        bean.set("dupProperty", dupProperty);
        int intArray[] = { 0, 10, 20, 30, 40 };
        bean.set("intArray", intArray);
        int intIndexed[] = { 0, 10, 20, 30, 40 };
        bean.set("intIndexed", intIndexed);
        bean.set("intProperty", new Integer(123));
        List listIndexed = new ArrayList();
        listIndexed.add("String 0");
        listIndexed.add("String 1");
        listIndexed.add("String 2");
        listIndexed.add("String 3");
        listIndexed.add("String 4");
        bean.set("listIndexed", listIndexed);
        bean.set("longProperty", new Long(321));
        HashMap mapProperty = new HashMap();
        mapProperty.put("First Key", "First Value");
        mapProperty.put("Second Key", "Second Value");
        bean.set("mapProperty", mapProperty);
        HashMap mappedProperty = new HashMap();
        mappedProperty.put("First Key", "First Value");
        mappedProperty.put("Second Key", "Second Value");
        bean.set("mappedProperty", mappedProperty);
        HashMap mappedIntProperty = new HashMap();
        mappedIntProperty.put("One", new Integer(1));
        mappedIntProperty.put("Two", new Integer(2));
        bean.set("mappedIntProperty", mappedIntProperty);
        nested = new TestBean();
        bean.set("nested", nested);
        // Property "nullProperty" is not initialized, so it should return null
        bean.set("shortProperty", new Short((short) 987));
        String stringArray[] =
                { "String 0", "String 1", "String 2", "String 3", "String 4" };
        bean.set("stringArray", stringArray);
        String stringIndexed[] =
                { "String 0", "String 1", "String 2", "String 3", "String 4" };
        bean.set("stringIndexed", stringIndexed);
        bean.set("stringProperty", "This is a string");

    }


    /**
     * Return the tests included in this test suite.
     */
    public static Test suite() {

        return (new TestSuite(DynaBeanUtilsTestCase.class));

    }


    /**
     * Tear down instance variables required by this test case.
     */
    public void tearDown() {

        bean = null;
        nested = null;

    }



    // ------------------------------------------------ Individual Test Methods

    /**
     * Test the cloneBean() method from a DynaBean.
     */
    public void testCloneDynaBean() {

        // Set up an origin bean with customized properties
        DynaClass dynaClass = DynaBeanUtilsTestCase.createDynaClass();
        DynaBean orig = null;
        try {
            orig = dynaClass.newInstance();
        } catch (Exception e) {
            fail("newInstance(): " + e);
        }
        orig.set("booleanProperty", Boolean.FALSE);
        orig.set("byteProperty", new Byte((byte)111));
        orig.set("doubleProperty", new Double(333.33));
        orig.set("dupProperty", new String[] { "New 0", "New 1", "New 2" });
        orig.set("intArray", new int[] { 100, 200, 300 });
        orig.set("intProperty", new Integer(333));
        orig.set("longProperty", new Long(3333));
        orig.set("shortProperty", new Short((short) 33));
        orig.set("stringArray", new String[] { "New 0", "New 1" });
        orig.set("stringProperty", "Custom string");

        // Copy the origin bean to our destination test bean
        DynaBean clonedBean = null;
        try {
            clonedBean = (DynaBean) BeanUtils.cloneBean(orig);
        } catch (Exception e) {
            fail("Threw exception: " + e);
        }

        // Validate the results for scalar properties
        assertEquals("Cloned boolean property",
                     false,
                     ((Boolean) clonedBean.get("booleanProperty")).booleanValue());
        assertEquals("Cloned byte property",
                     (byte) 111,
                     ((Byte) clonedBean.get("byteProperty")).byteValue());
        assertEquals("Cloned double property",
                     333.33,
                     ((Double) clonedBean.get("doubleProperty")).doubleValue(),
                     0.005);
        assertEquals("Cloned int property",
                     333,
                     ((Integer) clonedBean.get("intProperty")).intValue());
        assertEquals("Cloned long property",
                     3333,
                     ((Long) clonedBean.get("longProperty")).longValue());
        assertEquals("Cloned short property",
                     (short) 33,
                     ((Short) clonedBean.get("shortProperty")).shortValue());
        assertEquals("Cloned string property",
                     "Custom string",
                     (String) clonedBean.get("stringProperty"));

        // Validate the results for array properties
        String dupProperty[] = (String[]) clonedBean.get("dupProperty");
        assertNotNull("dupProperty present", dupProperty);
        assertEquals("dupProperty length", 3, dupProperty.length);
        assertEquals("dupProperty[0]", "New 0", dupProperty[0]);
        assertEquals("dupProperty[1]", "New 1", dupProperty[1]);
        assertEquals("dupProperty[2]", "New 2", dupProperty[2]);
        int intArray[] = (int[]) clonedBean.get("intArray");
        assertNotNull("intArray present", intArray);
        assertEquals("intArray length", 3, intArray.length);
        assertEquals("intArray[0]", 100, intArray[0]);
        assertEquals("intArray[1]", 200, intArray[1]);
        assertEquals("intArray[2]", 300, intArray[2]);
        String stringArray[] = (String[]) clonedBean.get("stringArray");
        assertNotNull("stringArray present", stringArray);
        assertEquals("stringArray length", 2, stringArray.length);
        assertEquals("stringArray[0]", "New 0", stringArray[0]);
        assertEquals("stringArray[1]", "New 1", stringArray[1]);

    }

    /**
     * Test the copyProperties() method from a DynaBean.
     */
    public void testCopyPropertiesDynaBean() {

        // Set up an origin bean with customized properties
        DynaClass dynaClass = DynaBeanUtilsTestCase.createDynaClass();
        DynaBean orig = null;
        try {
            orig = dynaClass.newInstance();
        } catch (Exception e) {
            fail("newInstance(): " + e);
        }
        orig.set("booleanProperty", Boolean.FALSE);
        orig.set("byteProperty", new Byte((byte)111));
        orig.set("doubleProperty", new Double(333.33));
        orig.set("dupProperty", new String[] { "New 0", "New 1", "New 2" });
        orig.set("intArray", new int[] { 100, 200, 300 });
        orig.set("intProperty", new Integer(333));
        orig.set("longProperty", new Long(3333));
        orig.set("shortProperty", new Short((short) 33));
        orig.set("stringArray", new String[] { "New 0", "New 1" });
        orig.set("stringProperty", "Custom string");

        // Copy the origin bean to our destination test bean
        try {
            BeanUtils.copyProperties(bean, orig);
        } catch (Exception e) {
            fail("Threw exception: " + e);
        }

        // Validate the results for scalar properties
        assertEquals("Copied boolean property",
                     false,
                     ((Boolean) bean.get("booleanProperty")).booleanValue());
        assertEquals("Copied byte property",
                     (byte) 111,
                     ((Byte) bean.get("byteProperty")).byteValue());
        assertEquals("Copied double property",
                     333.33,
                     ((Double) bean.get("doubleProperty")).doubleValue(),
                     0.005);
        assertEquals("Copied int property",
                     333,
                     ((Integer) bean.get("intProperty")).intValue());
        assertEquals("Copied long property",
                     3333,
                     ((Long) bean.get("longProperty")).longValue());
        assertEquals("Copied short property",
                     (short) 33,
                     ((Short) bean.get("shortProperty")).shortValue());
        assertEquals("Copied string property",
                     "Custom string",
                     (String) bean.get("stringProperty"));