lazydynabeantestcase.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.util.HashMap;
import java.util.TreeMap;
import java.util.ArrayList;
import java.util.LinkedList;
import java.lang.reflect.InvocationTargetException;
import junit.framework.TestCase;
import junit.framework.Test;
import junit.framework.TestSuite;

/**
 * <p>Test Case for the <code>LazyDynaBean</code> implementation class.</p>
 *
 * @author Niall Pemberton
 */
public class LazyDynaBeanTestCase extends TestCase {

    protected LazyDynaBean  bean      = null;
    protected LazyDynaClass dynaClass = null;
    protected String testProperty     = "myProperty";
    protected String testPropertyA    = "myProperty-A";
    protected String testPropertyB    = "myProperty-B";
    protected String testString1      = "myStringValue-1";
    protected String testString2      = "myStringValue-2";
    protected Integer testInteger1    = new Integer(30);
    protected Integer testInteger2    = new Integer(40);
    protected String testKey          = "myKey";

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

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

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

    /**
     * Run thus Test
     */
    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());
    }

    /**
     * Return the tests included in this test suite.
     */
    public static Test suite() {
        return (new TestSuite(LazyDynaBeanTestCase.class));
    }

    /**
     * Set up instance variables required by this test case.
     */
    public void setUp() throws Exception {
        bean = new LazyDynaBean();
        dynaClass = (LazyDynaClass)bean.getDynaClass();
        dynaClass.setReturnNull(true);
    }

    /**
     * Tear down instance variables required by this test case.
     */
    public void tearDown() {
      bean = null;
    }

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

    /**
     * Test Getting/Setting a Simple Property
     */
    public void testSimpleProperty() {

        // Check the property & value doesn't exist
        assertNull("Check Property doesn't exist", dynaClass.getDynaProperty(testProperty));
        assertNull("Check Value is null", bean.get(testProperty));

        // Set a new property - should add new property and set value
        bean.set(testProperty, testInteger1);
        assertEquals("Check First Value is correct", testInteger1, bean.get(testProperty));
        assertEquals("Check Property type is correct", Integer.class, dynaClass.getDynaProperty(testProperty).getType());

        // Set the property again - should set the new value
        bean.set(testProperty, testInteger2);
        assertEquals("Check Second Value is correct", testInteger2, bean.get(testProperty));

        // Set the property again - with a different type, should fail
        try {
            bean.set(testProperty, testString1);
            fail("expected ConversionException trying to set an Integer property to a String");
        } catch (ConversionException expected) {
            // expected result
        }

    }

    /**
     * Test Getting/Setting a 'null' Property
     */
    public void testNullProperty() {

        // Check the property & value doesn't exist
        assertNull("Check Property doesn't exist", dynaClass.getDynaProperty(testProperty));
        assertNull("Check Value is null", bean.get(testProperty));

        // Set a new property to null
        bean.set(testProperty, null);
        assertNull("Check Value is still null", bean.get(testProperty));

    }

    /**
     * Test Setting a Simple Property when MutableDynaClass is set to restricted
     */
    public void testSimplePropertyRestricted() {

        // Set the MutableDyanClass to 'restricted' (i.e. no new properties cab be added
        dynaClass.setRestricted(true);
        assertTrue("Check MutableDynaClass is restricted", dynaClass.isRestricted());

        // Check the property & value doesn't exist
        assertNull("Check Property doesn't exist", dynaClass.getDynaProperty(testProperty));
        assertNull("Check Value is null", bean.get(testProperty));

        // Set the property - should fail because property doesn't exist and MutableDynaClass is restricted
        try {
            bean.set(testProperty, testString1);
            fail("expected IllegalArgumentException trying to add new property to restricted DynaClass");
        } catch (IllegalArgumentException expected) {
            // expected result
        }

    }

    /**
     * Test Getting/Setting a 'Mapped' Property - default HashMap property
     */
    public void testMappedPropertyDefault() {

        // Check the property & value doesn't exist
        assertNull("Check Mapped Property doesn't exist", dynaClass.getDynaProperty(testProperty));
        assertNull("Check Map is null", bean.get(testProperty));
        assertNull("Check Mapped Value is null", bean.get(testProperty, testKey));

        // Set a new mapped property - should add new HashMap property and set the mapped value
        bean.set(testProperty, testKey, testInteger1);
        assertEquals("Check Mapped Property exists", HashMap.class, bean.get(testProperty).getClass());
        assertEquals("Check First Mapped Value is correct(a)", testInteger1, bean.get(testProperty, testKey));
        assertEquals("Check First Mapped Value is correct(b)", testInteger1, ((HashMap)bean.get(testProperty)).get(testKey));

        // Set the property again - should set the new value
        bean.set(testProperty, testKey, testInteger2);
        assertEquals("Check Second Mapped Value is correct(a)", testInteger2, bean.get(testProperty, testKey));
        assertEquals("Check Second Mapped Value is correct(b)", testInteger2, ((HashMap)bean.get(testProperty)).get(testKey));
    }

    /**
     * Test Getting/Setting a 'Mapped' Property - use TreeMap property
     */
    public void testMappedPropertyTreeMap() {

        // Check the property & value doesn't exist
        assertNull("Check Mapped Property doesn't exist", dynaClass.getDynaProperty(testProperty));

        // Add a 'TreeMap' property to the DynaClass
        dynaClass.add(testProperty, TreeMap.class);
        assertTrue("Check Property is mapped", dynaClass.getDynaProperty(testProperty).isMapped());
        assertEquals("Check Property is correct type", TreeMap.class, dynaClass.getDynaProperty(testProperty).getType());
        assertEquals("Check Mapped Property exists", TreeMap.class, bean.get(testProperty).getClass());
//        assertNull("Check mapped property is null", bean.get(testProperty));

        // Set a new mapped property - should instatiate a new TreeMap property and set the mapped value
        bean.set(testProperty, testKey, testInteger1);
        assertEquals("Check Mapped Property exists", TreeMap.class, bean.get(testProperty).getClass());
        assertEquals("Check First Mapped Value is correct(a)", testInteger1, bean.get(testProperty, testKey));
        assertEquals("Check First Mapped Value is correct(b)", testInteger1, ((TreeMap)bean.get(testProperty)).get(testKey));

        // Set the property again - should set the new value
        bean.set(testProperty, testKey, testInteger2);
        assertEquals("Check Second Mapped Value is correct(a)", testInteger2, bean.get(testProperty, testKey));
        assertEquals("Check Second Mapped Value is correct(b)", testInteger2, ((TreeMap)bean.get(testProperty)).get(testKey));
    }

    /**
     * Test Setting a 'Mapped' Property using PropertyUtils
     */
    public void testMappedPropertyUtils() {

        dynaClass.setReturnNull(false);

        // Check the property & value doesn't exist
        assertFalse("Check Mapped Property doesn't exist", dynaClass.isDynaProperty(testProperty));
        assertNull("Check Map is null", bean.get(testProperty));
        assertNull("Check Mapped Value is null", bean.get(testProperty, testKey));

        // Set the mapped property using PropertyUtils
        try {
          PropertyUtils.setProperty(bean, testProperty+"("+testKey+")", testString1);
        }
        catch (NoSuchMethodException ex) {
            fail("testIndexedPropertyUtils threw "+ex);
        }
        catch (InvocationTargetException ex) {
            fail("testIndexedPropertyUtils threw "+ex);
        }
        catch (IllegalAccessException ex) {
            fail("testIndexedPropertyUtils threw "+ex);
        }

        // Check property value correctly set
        assertEquals("Check Mapped Bean Value is correct", testString1, bean.get(testProperty, testKey));

    }

    /**
     * Test Setting a Mapped Property when MutableDynaClass is set to restricted
     */
    public void testMappedPropertyRestricted() {

        // Set the MutableDyanClass to 'restricted' (i.e. no new properties cab be added
        dynaClass.setRestricted(true);
        assertTrue("Check MutableDynaClass is restricted", dynaClass.isRestricted());

        // Check the property & value doesn't exist
        assertNull("Check Property doesn't exist", dynaClass.getDynaProperty(testProperty));
        assertNull("Check Value is null", bean.get(testProperty));

        // Set the property - should fail because property doesn't exist and MutableDynaClass is restricted