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Commons Beanutils example source code file (BasicDynaBeanTestCase.java)
This example Commons Beanutils source code file (BasicDynaBeanTestCase.java) is included in the DevDaily.com
"Java Source Code
Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.
The Commons Beanutils BasicDynaBeanTestCase.java source code
/*
* 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.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import junit.framework.TestCase;
import junit.framework.Test;
import junit.framework.TestSuite;
/**
* <p>Test Case for the BasicDynaBean implementation class.
* These tests were based on the ones in <code>PropertyUtilsTestCase
* because the two classes provide similar levels of functionality.</p>
*
* @author Craig R. McClanahan
* @version $Revision: 745090 $ $Date: 2009-02-17 14:12:41 +0000 (Tue, 17 Feb 2009) $
*/
public class BasicDynaBeanTestCase extends TestCase {
// ---------------------------------------------------- Instance Variables
/**
* The basic test bean for each test.
*/
protected DynaBean bean = null;
/**
* The set of property names we expect to have returned when calling
* <code>getDynaProperties(). You should update this list
* when new properties are added to TestBean.
*/
protected final static String[] properties = {
"booleanProperty",
"booleanSecond",
"doubleProperty",
"floatProperty",
"intArray",
"intIndexed",
"intProperty",
"listIndexed",
"longProperty",
"mappedProperty",
"mappedIntProperty",
"nullProperty",
"shortProperty",
"stringArray",
"stringIndexed",
"stringProperty",
};
// ---------------------------------------------------------- Constructors
/**
* Construct a new instance of this test case.
*
* @param name Name of the test case
*/
public BasicDynaBeanTestCase(String name) {
super(name);
}
// -------------------------------------------------- Overall Test Methods
/**
* Set up instance variables required by this test case.
*/
public void setUp() throws Exception {
// 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("doubleProperty", new Double(321.0));
bean.set("floatProperty", new Float((float) 123.0));
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 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);
// 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(BasicDynaBeanTestCase.class));
}
/**
* Tear down instance variables required by this test case.
*/
public void tearDown() {
bean = null;
}
// ------------------------------------------------ Individual Test Methods
/**
* Corner cases on getDynaProperty invalid arguments.
*/
public void testGetDescriptorArguments() {
try {
DynaProperty descriptor =
bean.getDynaClass().getDynaProperty("unknown");
assertNull("Unknown property descriptor should be null",
descriptor);
} catch (Throwable t) {
fail("Threw " + t + " instead of returning null");
}
try {
bean.getDynaClass().getDynaProperty(null);
fail("Should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// Expected response
} catch (Throwable t) {
fail("Threw " + t + " instead of IllegalArgumentException");
}
}
/**
* Positive getDynaProperty on property <code>booleanProperty.
*/
public void testGetDescriptorBoolean() {
testGetDescriptorBase("booleanProperty", Boolean.TYPE);
}
/**
* Positive getDynaProperty on property <code>doubleProperty.
*/
public void testGetDescriptorDouble() {
testGetDescriptorBase("doubleProperty", Double.TYPE);
}
/**
* Positive getDynaProperty on property <code>floatProperty.
*/
public void testGetDescriptorFloat() {
testGetDescriptorBase("floatProperty", Float.TYPE);
}
/**
* Positive getDynaProperty on property <code>intProperty.
*/
public void testGetDescriptorInt() {
testGetDescriptorBase("intProperty", Integer.TYPE);
}
/**
* Positive getDynaProperty on property <code>longProperty.
*/
public void testGetDescriptorLong() {
testGetDescriptorBase("longProperty", Long.TYPE);
}
/**
* Positive getDynaProperty on property <code>booleanSecond
* that uses an "is" method as the getter.
*/
public void testGetDescriptorSecond() {
testGetDescriptorBase("booleanSecond", Boolean.TYPE);
}
/**
* Positive getDynaProperty on property <code>shortProperty.
*/
public void testGetDescriptorShort() {
testGetDescriptorBase("shortProperty", Short.TYPE);
}
/**
* Positive getDynaProperty on property <code>stringProperty.
*/
public void testGetDescriptorString() {
testGetDescriptorBase("stringProperty", String.class);
}
/**
* Positive test for getDynaPropertys(). Each property name
* listed in <code>properties should be returned exactly once.
*/
public void testGetDescriptors() {
DynaProperty pd[] = bean.getDynaClass().getDynaProperties();
assertNotNull("Got descriptors", pd);
int count[] = new int[properties.length];
for (int i = 0; i < pd.length; i++) {
String name = pd[i].getName();
for (int j = 0; j < properties.length; j++) {
if (name.equals(properties[j]))
count[j]++;
}
}
for (int j = 0; j < properties.length; j++) {
if (count[j] < 0)
fail("Missing property " + properties[j]);
else if (count[j] > 1)
fail("Duplicate property " + properties[j]);
}
}
/**
* Corner cases on getIndexedProperty invalid arguments.
*/
public void testGetIndexedArguments() {
try {
bean.get("intArray", -1);
fail("Should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// Expected response
} catch (Throwable t) {
fail("Threw " + t + " instead of IndexOutOfBoundsException");
}
}
/**
* Positive and negative tests on getIndexedProperty valid arguments.
*/
public void testGetIndexedValues() {
Object value = null;
for (int i = 0; i < 5; i++) {
try {
value = bean.get("intArray", i);
assertNotNull("intArray returned value " + i, value);
assertTrue("intArray returned Integer " + i,
value instanceof Integer);
assertEquals("intArray returned correct " + i, i * 10,
((Integer) value).intValue());
} catch (Throwable t) {
fail("intArray " + i + " threw " + t);
}
try {
value = bean.get("intIndexed", i);
assertNotNull("intIndexed returned value " + i, value);
assertTrue("intIndexed returned Integer " + i,
value instanceof Integer);
assertEquals("intIndexed returned correct " + i, i * 10,
((Integer) value).intValue());
} catch (Throwable t) {
fail("intIndexed " + i + " threw " + t);
}
try {
value = bean.get("listIndexed", i);
assertNotNull("listIndexed returned value " + i, value);
assertTrue("list returned String " + i,
value instanceof String);
assertEquals("listIndexed returned correct " + i,
"String " + i, (String) value);
} catch (Throwable t) {
fail("listIndexed " + i + " threw " + t);
}
try {
value = bean.get("stringArray", i);
assertNotNull("stringArray returned value " + i, value);
assertTrue("stringArray returned String " + i,
value instanceof String);
assertEquals("stringArray returned correct " + i,
"String " + i, (String) value);
} catch (Throwable t) {
fail("stringArray " + i + " threw " + t);
}
try {
value = bean.get("stringIndexed", i);
assertNotNull("stringIndexed returned value " + i, value);
assertTrue("stringIndexed returned String " + i,
value instanceof String);
assertEquals("stringIndexed returned correct " + i,
"String " + i, (String) value);
} catch (Throwable t) {
fail("stringIndexed " + i + " threw " + t);
}
}
}
/**
* Corner cases on getMappedProperty invalid arguments.
*/
public void testGetMappedArguments() {
try {
Object value = bean.get("mappedProperty", "unknown");
assertNull("Should not return a value", value);
} catch (Throwable t) {
fail("Threw " + t + " instead of returning null");
}
}
/**
* Positive and negative tests on getMappedProperty valid arguments.
*/
public void testGetMappedValues() {
Object value = null;
try {
value = bean.get("mappedProperty", "First Key");
assertEquals("Can find first value", "First Value", value);
} catch (Throwable t) {
fail("Finding first value threw " + t);
}
try {
value = bean.get("mappedProperty", "Second Key");
assertEquals("Can find second value", "Second Value", value);
} catch (Throwable t) {
fail("Finding second value threw " + t);
}
try {
value = bean.get("mappedProperty", "Third Key");
assertNull("Can not find third value", value);
} catch (Throwable t) {
fail("Finding third value threw " + t);
}
}
/**
* Corner cases on getSimpleProperty invalid arguments.
*/
public void testGetSimpleArguments() {
try {
bean.get(null);
fail("Should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// Expected response
} catch (Throwable t) {
fail("Threw " + t + " instead of IllegalArgumentException");
}
}
/**
* Test getSimpleProperty on a boolean property.
*/
public void testGetSimpleBoolean() {
try {
Object value = bean.get("booleanProperty");
assertNotNull("Got a value", value);
assertTrue("Got correct type", (value instanceof Boolean));
assertTrue("Got correct value",
((Boolean) value).booleanValue() == true);
} catch (Throwable e) {
fail("Exception: " + e);
}
}
/**
* Test getSimpleProperty on a double property.
*/
public void testGetSimpleDouble() {
try {
Object value = bean.get("doubleProperty");
assertNotNull("Got a value", value);
assertTrue("Got correct type", (value instanceof Double));
assertEquals("Got correct value",
((Double) value).doubleValue(),
321.0, 0.005);
} catch (Throwable t) {
fail("Exception: " + t);
}
}
/**
* Test getSimpleProperty on a float property.
*/
public void testGetSimpleFloat() {
try {
Object value = bean.get("floatProperty");
assertNotNull("Got a value", value);
assertTrue("Got correct type", (value instanceof Float));
assertEquals("Got correct value",
((Float) value).floatValue(),
(float) 123.0,
(float) 0.005);
} catch (Throwable t) {
fail("Exception: " + t);
}
}
/**
* Test getSimpleProperty on a int property.
*/
public void testGetSimpleInt() {
try {
Object value = bean.get("intProperty");
assertNotNull("Got a value", value);
assertTrue("Got correct type", (value instanceof Integer));
assertEquals("Got correct value",
((Integer) value).intValue(),
123);
} catch (Throwable t) {
fail("Exception: " + t);
}
}
/**
* Test getSimpleProperty on a long property.
*/
public void testGetSimpleLong() {
try {
Object value = bean.get("longProperty");
assertNotNull("Got a value", value);
assertTrue("Got correct type", (value instanceof Long));
assertEquals("Got correct value",
((Long) value).longValue(),
321);
} catch (Throwable t) {
fail("Exception: " + t);
}
}
/**
* Test getSimpleProperty on a short property.
*/
public void testGetSimpleShort() {
try {
Object value = bean.get("shortProperty");
assertNotNull("Got a value", value);
assertTrue("Got correct type", (value instanceof Short));
assertEquals("Got correct value",
((Short) value).shortValue(),
(short) 987);
} catch (Throwable t) {
fail("Exception: " + t);
}
}
/**
* Test getSimpleProperty on a String property.
*/
public void testGetSimpleString() {
try {
Object value = bean.get("stringProperty");
assertNotNull("Got a value", value);
assertTrue("Got correct type", (value instanceof String));
assertEquals("Got correct value",
(String) value,
"This is a string");
} catch (Throwable t) {
fail("Exception: " + t);
}
}
/**
* Test <code>contains() method for mapped properties.
*/
public void testMappedContains() {
try {
assertTrue("Can see first key",
bean.contains("mappedProperty", "First Key"));
} catch (Throwable t) {
fail("Exception: " + t);
}
try {
assertTrue("Can not see unknown key",
!bean.contains("mappedProperty", "Unknown Key"));
} catch (Throwable t) {
fail("Exception: " + t);
}
}
/**
* Test <code>remove() method for mapped properties.
*/
public void testMappedRemove() {
try {
assertTrue("Can see first key",
bean.contains("mappedProperty", "First Key"));
bean.remove("mappedProperty", "First Key");
assertTrue("Can not see first key",
!bean.contains("mappedProperty", "First Key"));
} catch (Throwable t) {
fail("Exception: " + t);
}
try {
assertTrue("Can not see unknown key",
!bean.contains("mappedProperty", "Unknown Key"));
bean.remove("mappedProperty", "Unknown Key");
assertTrue("Can not see unknown key",
!bean.contains("mappedProperty", "Unknown Key"));
} catch (Throwable t) {
fail("Exception: " + t);
}
}
/**
* Test serialization and deserialization.
*/
public void testSerialization() {
// Serialize the test bean
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(bean);
oos.flush();
oos.close();
} catch (Exception e) {
fail("Exception during serialization: " + e);
}
// Deserialize the test bean
try {
bean = null;
ByteArrayInputStream bais =
new ByteArrayInputStream(baos.toByteArray());
ObjectInputStream ois = new ObjectInputStream(bais);
bean = (DynaBean) ois.readObject();
bais.close();
} catch (Exception e) {
fail("Exception during deserialization: " + e);
}
// Confirm property values
testGetDescriptorArguments();
testGetDescriptorBoolean();
testGetDescriptorDouble();
testGetDescriptorFloat();
testGetDescriptorInt();
testGetDescriptorLong();
testGetDescriptorSecond();
testGetDescriptorShort();
testGetDescriptorString();
testGetDescriptors();
testGetIndexedArguments();
testGetIndexedValues();
testGetMappedArguments();
testGetMappedValues();
testGetSimpleArguments();
testGetSimpleBoolean();
testGetSimpleDouble();
testGetSimpleFloat();
testGetSimpleInt();
testGetSimpleLong();
testGetSimpleShort();
testGetSimpleString();
testMappedContains();
testMappedRemove();
// Ensure that we can create a new instance of the same DynaClass
try {
bean = bean.getDynaClass().newInstance();
} catch (Exception e) {
fail("Exception creating new instance: " + e);
}
testGetDescriptorArguments();
testGetDescriptorBoolean();
testGetDescriptorDouble();
testGetDescriptorFloat();
testGetDescriptorInt();
testGetDescriptorLong();
testGetDescriptorSecond();
testGetDescriptorShort();
testGetDescriptorString();
testGetDescriptors();
}
/**
* Corner cases on setIndexedProperty invalid arguments.
*/
public void testSetIndexedArguments() {
try {
bean.set("intArray", -1, new Integer(0));
fail("Should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// Expected response
} catch (Throwable t) {
fail("Threw " + t + " instead of IndexOutOfBoundsException");
}
}
/**
* Positive and negative tests on setIndexedProperty valid arguments.
*/
public void testSetIndexedValues() {
Object value = null;
try {
bean.set("intArray", 0, new Integer(1));
value = bean.get("intArray", 0);
assertNotNull("Returned new value 0", value);
assertTrue("Returned Integer new value 0",
value instanceof Integer);
assertEquals("Returned correct new value 0", 1,
((Integer) value).intValue());
} catch (Throwable t) {
fail("Threw " + t);
}
try {
bean.set("intIndexed", 1, new Integer(11));
value = bean.get("intIndexed", 1);
assertNotNull("Returned new value 1", value);
assertTrue("Returned Integer new value 1",
value instanceof Integer);
assertEquals("Returned correct new value 1", 11,
((Integer) value).intValue());
} catch (Throwable t) {
fail("Threw " + t);
}
try {
bean.set("listIndexed", 2, "New Value 2");
value = bean.get("listIndexed", 2);
assertNotNull("Returned new value 2", value);
assertTrue("Returned String new value 2",
value instanceof String);
assertEquals("Returned correct new value 2", "New Value 2",
(String) value);
} catch (Throwable t) {
fail("Threw " + t);
}
try {
bean.set("stringArray", 3, "New Value 3");
value = bean.get("stringArray", 3);
assertNotNull("Returned new value 3", value);
assertTrue("Returned String new value 3",
value instanceof String);
assertEquals("Returned correct new value 3", "New Value 3",
(String) value);
} catch (Throwable t) {
fail("Threw " + t);
}
try {
bean.set("stringIndexed", 4, "New Value 4");
value = bean.get("stringIndexed", 4);
assertNotNull("Returned new value 4", value);
assertTrue("Returned String new value 4",
value instanceof String);
assertEquals("Returned correct new value 4", "New Value 4",
(String) value);
} catch (Throwable t) {
fail("Threw " + t);
}
}
/**
* Positive and negative tests on setMappedProperty valid arguments.
*/
public void testSetMappedValues() {
try {
bean.set("mappedProperty", "First Key", "New First Value");
assertEquals("Can replace old value",
"New First Value",
(String) bean.get("mappedProperty", "First Key"));
} catch (Throwable t) {
fail("Finding fourth value threw " + t);
}
try {
bean.set("mappedProperty", "Fourth Key", "Fourth Value");
assertEquals("Can set new value",
"Fourth Value",
(String) bean.get("mappedProperty", "Fourth Key"));
} catch (Throwable t) {
fail("Finding fourth value threw " + t);
}
}
/**
* Test setSimpleProperty on a boolean property.
*/
public void testSetSimpleBoolean() {
try {
boolean oldValue =
((Boolean) bean.get("booleanProperty")).booleanValue();
boolean newValue = !oldValue;
bean.set("booleanProperty", new Boolean(newValue));
assertTrue("Matched new value",
newValue ==
((Boolean) bean.get("booleanProperty")).booleanValue());
} catch (Throwable e) {
fail("Exception: " + e);
}
}
/**
* Test setSimpleProperty on a double property.
*/
public void testSetSimpleDouble() {
try {
double oldValue =
((Double) bean.get("doubleProperty")).doubleValue();
double newValue = oldValue + 1.0;
bean.set("doubleProperty", new Double(newValue));
assertEquals("Matched new value",
newValue,
((Double) bean.get("doubleProperty")).doubleValue(),
0.005);
} catch (Throwable e) {
fail("Exception: " + e);
}
}
/**
* Test setSimpleProperty on a float property.
*/
public void testSetSimpleFloat() {
try {
float oldValue =
((Float) bean.get("floatProperty")).floatValue();
float newValue = oldValue + (float) 1.0;
bean.set("floatProperty", new Float(newValue));
assertEquals("Matched new value",
newValue,
((Float) bean.get("floatProperty")).floatValue(),
(float) 0.005);
} catch (Throwable e) {
fail("Exception: " + e);
}
}
/**
* Test setSimpleProperty on a int property.
*/
public void testSetSimpleInt() {
try {
int oldValue =
((Integer) bean.get("intProperty")).intValue();
int newValue = oldValue + 1;
bean.set("intProperty", new Integer(newValue));
assertEquals("Matched new value",
newValue,
((Integer) bean.get("intProperty")).intValue());
} catch (Throwable e) {
fail("Exception: " + e);
}
}
/**
* Test setSimpleProperty on a long property.
*/
public void testSetSimpleLong() {
try {
long oldValue =
((Long) bean.get("longProperty")).longValue();
long newValue = oldValue + 1;
bean.set("longProperty", new Long(newValue));
assertEquals("Matched new value",
newValue,
((Long) bean.get("longProperty")).longValue());
} catch (Throwable e) {
fail("Exception: " + e);
}
}
/**
* Test setSimpleProperty on a short property.
*/
public void testSetSimpleShort() {
try {
short oldValue =
((Short) bean.get("shortProperty")).shortValue();
short newValue = (short) (oldValue + 1);
bean.set("shortProperty", new Short(newValue));
assertEquals("Matched new value",
newValue,
((Short) bean.get("shortProperty")).shortValue());
} catch (Throwable e) {
fail("Exception: " + e);
}
}
/**
* Test setSimpleProperty on a String property.
*/
public void testSetSimpleString() {
try {
String oldValue = (String) bean.get("stringProperty");
String newValue = oldValue + " Extra Value";
bean.set("stringProperty", newValue);
assertEquals("Matched new value",
newValue,
(String) bean.get("stringProperty"));
} catch (Throwable e) {
fail("Exception: " + e);
}
}
// ------------------------------------------------------ Protected Methods
/**
* Create and return a <code>DynaClass instance for our test
* <code>DynaBean.
*/
protected DynaClass createDynaClass() {
int intArray[] = new int[0];
String stringArray[] = new String[0];
DynaClass dynaClass = new BasicDynaClass
("TestDynaClass", null,
new DynaProperty[]{
new DynaProperty("booleanProperty", Boolean.TYPE),
new DynaProperty("booleanSecond", Boolean.TYPE),
new DynaProperty("doubleProperty", Double.TYPE),
new DynaProperty("floatProperty", Float.TYPE),
new DynaProperty("intArray", intArray.getClass()),
new DynaProperty("intIndexed", intArray.getClass()),
new DynaProperty("intProperty", Integer.TYPE),
new DynaProperty("listIndexed", List.class),
new DynaProperty("longProperty", Long.TYPE),
new DynaProperty("mappedProperty", Map.class),
new DynaProperty("mappedIntProperty", Map.class),
new DynaProperty("nullProperty", String.class),
new DynaProperty("shortProperty", Short.TYPE),
new DynaProperty("stringArray", stringArray.getClass()),
new DynaProperty("stringIndexed", stringArray.getClass()),
new DynaProperty("stringProperty", String.class),
});
return (dynaClass);
}
/**
* Base for testGetDescriptorXxxxx() series of tests.
*
* @param name Name of the property to be retrieved
* @param type Expected class type of this property
*/
protected void testGetDescriptorBase(String name, Class type) {
try {
DynaProperty descriptor =
bean.getDynaClass().getDynaProperty(name);
assertNotNull("Got descriptor", descriptor);
assertEquals("Got correct type", type, descriptor.getType());
} catch (Throwable t) {
fail("Threw an exception: " + t);
}
}
}
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