Commons Beanutils example source code file (IndexedPropertyTestCase.java)
The Commons Beanutils IndexedPropertyTestCase.java source code/*
* $Id: IndexedPropertyTestCase.java 546480 2007-06-12 13:35:32Z niallp $
*
* 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.List;
import java.util.ArrayList;
import java.beans.IndexedPropertyDescriptor;
import java.beans.PropertyDescriptor;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* <p>Test Case for the Indexed Properties.
*
* @author Niall Pemberton
* @version $Revision: 546480 $ $Date: 2007-06-12 14:35:32 +0100 (Tue, 12 Jun 2007) $
*/
public class IndexedPropertyTestCase extends TestCase {
private static final Log log = LogFactory.getLog(IndexedPropertyTestCase.class);
// ---------------------------------------------------- Instance Variables
/**
* The test bean for each test.
*/
private IndexedTestBean bean = null;
private BeanUtilsBean beanUtilsBean;
private PropertyUtilsBean propertyUtilsBean;
private String[] testArray;
private String[] newArray;
private List testList;
private List newList;
private ArrayList arrayList;
// ---------------------------------------------------------- Constructors
/**
* Construct a new instance of this test case.
*
* @param name Name of the test case
*/
public IndexedPropertyTestCase(String name) {
super(name);
}
// -------------------------------------------------- Overall Test Methods
/**
* Set up instance variables required by this test case.
*/
public void setUp() {
// BeanUtils
beanUtilsBean = new BeanUtilsBean();
propertyUtilsBean = beanUtilsBean.getPropertyUtils();
// initialize Arrays and Lists
testArray= new String[] {"array-0", "array-1", "array-2"};
newArray = new String[] {"newArray-0", "newArray-1", "newArray-2"};
testList = new ArrayList();
testList.add("list-0");
testList.add("list-1");
testList.add("list-2");
newList = new ArrayList();
newList.add("newList-0");
newList.add("newList-1");
newList.add("newList-2");
arrayList = new ArrayList();
arrayList.add("arrayList-0");
arrayList.add("arrayList-1");
arrayList.add("arrayList-2");
// initialize Test Bean properties
bean = new IndexedTestBean();
bean.setStringArray(testArray);
bean.setStringList(testList);
bean.setArrayList(arrayList);
}
/**
* Return the tests included in this test suite.
*/
public static Test suite() {
return (new TestSuite(IndexedPropertyTestCase.class));
}
/**
* Tear down instance variables required by this test case.
*/
public void tearDown() {
bean = null;
}
// ------------------------------------------------ Individual Test Methods
/**
* Test IndexedPropertyDescriptor for an Array
*/
public void testArrayIndexedPropertyDescriptor() {
try {
PropertyDescriptor descriptor = propertyUtilsBean.getPropertyDescriptor(bean, "stringArray");
assertNotNull("No Array Descriptor", descriptor);
assertEquals("Not IndexedPropertyDescriptor",
IndexedPropertyDescriptor.class,
descriptor.getClass());
assertEquals("PropertDescriptor Type invalid",
testArray.getClass(),
descriptor.getPropertyType());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test IndexedPropertyDescriptor for a List
*/
public void testListIndexedPropertyDescriptor() {
try {
PropertyDescriptor descriptor = propertyUtilsBean.getPropertyDescriptor(bean, "stringList");
assertNotNull("No List Descriptor", descriptor);
assertEquals("Not IndexedPropertyDescriptor",
IndexedPropertyDescriptor.class,
descriptor.getClass());
assertEquals("PropertDescriptor Type invalid",
List.class,
descriptor.getPropertyType());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test IndexedPropertyDescriptor for an ArrayList
*/
public void testArrayListIndexedPropertyDescriptor() {
try {
PropertyDescriptor descriptor = propertyUtilsBean.getPropertyDescriptor(bean, "arrayList");
assertNotNull("No ArrayList Descriptor", descriptor);
assertEquals("Not IndexedPropertyDescriptor",
IndexedPropertyDescriptor.class,
descriptor.getClass());
assertEquals("PropertDescriptor Type invalid",
ArrayList.class,
descriptor.getPropertyType());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test Read Method for an Array
*/
public void testArrayReadMethod() {
try {
IndexedPropertyDescriptor descriptor =
(IndexedPropertyDescriptor)propertyUtilsBean.getPropertyDescriptor(bean, "stringArray");
assertNotNull("No Array Read Method", descriptor.getReadMethod());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test Write Method for an Array
*/
public void testArrayWriteMethod() {
try {
IndexedPropertyDescriptor descriptor =
(IndexedPropertyDescriptor)propertyUtilsBean.getPropertyDescriptor(bean, "stringArray");
assertNotNull("No Array Write Method", descriptor.getWriteMethod());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test Indexed Read Method for an Array
*/
public void testArrayIndexedReadMethod() {
try {
IndexedPropertyDescriptor descriptor =
(IndexedPropertyDescriptor)propertyUtilsBean.getPropertyDescriptor(bean, "stringArray");
assertNotNull("No Array Indexed Read Method", descriptor.getIndexedReadMethod());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test Indexed Write Method for an Array
*/
public void testArrayIndexedWriteMethod() {
try {
IndexedPropertyDescriptor descriptor =
(IndexedPropertyDescriptor)propertyUtilsBean.getPropertyDescriptor(bean, "stringArray");
assertNotNull("No Array Indexed Write Method", descriptor.getIndexedWriteMethod());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test Read Method for a List
*
* JDK 1.3.1_04: Test Passes
* JDK 1.4.2_05: Test Fails - getter which returns java.util.List not returned
* by IndexedPropertyDescriptor.getReadMethod();
*/
public void testListReadMethod() {
try {
IndexedPropertyDescriptor descriptor =
(IndexedPropertyDescriptor)propertyUtilsBean.getPropertyDescriptor(bean, "stringList");
assertNotNull("No List Read Method", descriptor.getReadMethod());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test Write Method for a List
*
* JDK 1.3.1_04: Test Passes
* JDK 1.4.2_05: Test Fails - setter whith java.util.List argument not returned
* by IndexedPropertyDescriptor.getWriteMethod();
*/
public void testListWriteMethod() {
try {
IndexedPropertyDescriptor descriptor =
(IndexedPropertyDescriptor)propertyUtilsBean.getPropertyDescriptor(bean, "stringList");
assertNotNull("No List Write Method", descriptor.getWriteMethod());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test Indexed Read Method for a List
*/
public void testListIndexedReadMethod() {
try {
IndexedPropertyDescriptor descriptor =
(IndexedPropertyDescriptor)propertyUtilsBean.getPropertyDescriptor(bean, "stringList");
assertNotNull("No List Indexed Read Method", descriptor.getIndexedReadMethod());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test Indexed Write Method for a List
*/
public void testListIndexedWriteMethod() {
try {
IndexedPropertyDescriptor descriptor =
(IndexedPropertyDescriptor)propertyUtilsBean.getPropertyDescriptor(bean, "stringList");
assertNotNull("No List Indexed Write Method", descriptor.getIndexedWriteMethod());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test Read Method for an ArrayList
*/
public void testArrayListReadMethod() {
try {
IndexedPropertyDescriptor descriptor =
(IndexedPropertyDescriptor)propertyUtilsBean.getPropertyDescriptor(bean, "arrayList");
assertNotNull("No ArrayList Read Method", descriptor.getReadMethod());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test Write Method for an ArrayList
*/
public void testArrayListWriteMethod() {
try {
IndexedPropertyDescriptor descriptor =
(IndexedPropertyDescriptor)propertyUtilsBean.getPropertyDescriptor(bean, "arrayList");
assertNotNull("No ArrayList Write Method", descriptor.getWriteMethod());
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test getting an array property
*/
public void testGetArray() {
try {
assertEquals(testArray,
propertyUtilsBean.getProperty(bean, "stringArray"));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test getting an array property as a String
*
* NOTE: Why does retrieving array just return the first element in the array, whereas
* retrieveing a List returns a comma separated list of all the elements?
*/
public void testGetArrayAsString() {
try {
assertEquals("array-0",
beanUtilsBean.getProperty(bean, "stringArray"));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test getting an indexed item of an Array using getProperty("name[x]")
*/
public void testGetArrayItemA() {
try {
assertEquals("array-1",
beanUtilsBean.getProperty(bean, "stringArray[1]"));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test getting an indexed item of an Array using getIndexedProperty("name")
*/
public void testGetArrayItemB() {
try {
assertEquals("array-1",
beanUtilsBean.getIndexedProperty(bean, "stringArray", 1));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test getting a List
*
* JDK 1.3.1_04: Test Passes
* JDK 1.4.2_05: Test Fails - fails NoSuchMethodException, i.e. reason as testListReadMethod()
* failed.
*/
public void testGetList() {
try {
assertEquals(testList,
propertyUtilsBean.getProperty(bean, "stringList"));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test getting a List property as a String
*
* JDK 1.3.1_04: Test Passes
* JDK 1.4.2_05: Test Fails - fails NoSuchMethodException, i.e. reason as testListReadMethod()
* failed.
*/
public void testGetListAsString() {
try {
assertEquals("list-0",
beanUtilsBean.getProperty(bean, "stringList"));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test getting an indexed item of a List using getProperty("name[x]")
*/
public void testGetListItemA() {
try {
assertEquals("list-1",
beanUtilsBean.getProperty(bean, "stringList[1]"));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test getting an indexed item of a List using getIndexedProperty("name")
*/
public void testGetListItemB() {
try {
assertEquals("list-1",
beanUtilsBean.getIndexedProperty(bean, "stringList", 1));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test setting an Array property
*
* JDK 1.3.1_04 and 1.4.2_05: Test Fails - IllegalArgumentException can't invoke setter, argument type mismatch
*
* Fails because of a bug in BeanUtilsBean.setProperty() method. Value is always converted to the array's component
* type which in this case is a String. Then it calls the setStringArray(String[]) passing a String rather than
* String[] causing this exception. If there isn't an "index" value then the PropertyType (rather than
* IndexedPropertyType) should be used.
*
*/
public void testSetArray() {
try {
beanUtilsBean.setProperty(bean, "stringArray", newArray);
Object value = bean.getStringArray();
assertEquals("Type is different", newArray.getClass(), value.getClass());
String[] array = (String[])value;
assertEquals("Array Length is different", newArray.length, array.length);
for (int i = 0; i < array.length; i++) {
assertEquals("Element " + i + " is different", newArray[i], array[i]);
}
} catch(Exception e) {
log.error("testSetArray()", e);
fail("Threw exception " + e);
}
}
/**
* Test setting an indexed item of an Array using setProperty("name[x]", value)
*/
public void testSetArrayItemA() {
try {
beanUtilsBean.setProperty(bean, "stringArray[1]", "modified-1");
assertEquals("modified-1", bean.getStringArray(1));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test setting an indexed item of an Array using setIndexedProperty("name", value)
*/
public void testSetArrayItemB() {
try {
propertyUtilsBean.setIndexedProperty(bean, "stringArray", 1, "modified-1");
assertEquals("modified-1", bean.getStringArray(1));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test setting a List property
*
* JDK 1.3.1_04: Test Passes
* JDK 1.4.2_05: Test Fails - setter which returns java.util.List not returned
* by IndexedPropertyDescriptor.getWriteMethod() - therefore
* setProperty does nothing and values remain unchanged.
*/
public void testSetList() {
try {
beanUtilsBean.setProperty(bean, "stringList", newList);
Object value = bean.getStringList();
assertEquals("Type is different", newList.getClass(), value.getClass());
List list = (List)value;
assertEquals("List size is different", newList.size(), list.size());
for (int i = 0; i < list.size(); i++) {
assertEquals("Element " + i + " is different", newList.get(i), list.get(i));
}
} catch(Exception e) {
log.error("testSetList()", e);
fail("Threw exception " + e);
}
}
/**
* Test setting an indexed item of a List using setProperty("name[x]", value)
*/
public void testSetListItemA() {
try {
beanUtilsBean.setProperty(bean, "stringList[1]", "modified-1");
assertEquals("modified-1", bean.getStringList(1));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test setting an indexed item of a List using setIndexedProperty("name", value)
*/
public void testSetListItemB() {
try {
propertyUtilsBean.setIndexedProperty(bean, "stringList", 1, "modified-1");
assertEquals("modified-1", bean.getStringList(1));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test getting an ArrayList
*/
public void testGetArrayList() {
try {
assertEquals(arrayList,
propertyUtilsBean.getProperty(bean, "arrayList"));
} catch(Exception e) {
fail("Threw exception " + e);
}
}
/**
* Test setting an ArrayList property
*/
public void testSetArrayList() {
try {
beanUtilsBean.setProperty(bean, "arrayList", newList);
Object value = bean.getArrayList();
assertEquals("Type is different", newList.getClass(), value.getClass());
List list = (List)value;
assertEquals("List size is different", newList.size(), list.size());
for (int i = 0; i < list.size(); i++) {
assertEquals("Element " + i + " is different", newList.get(i), list.get(i));
}
} catch(Exception e) {
log.error("testSetList()", e);
fail("Threw exception " + e);
}
}
}
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