Spring Framework example source code file (MutablePropertyValuesTests.java)

This example Spring Framework source code file (MutablePropertyValuesTests.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.

Java - Spring Framework tags/keywords

abstractpropertyvaluestests, blair, blair, exception, gordon, mutablepropertyvalues, mutablepropertyvalues, mutablepropertyvaluestests, propertyvalue, propertyvalue, propertyvalues, rod, tony, tony

The Spring Framework MutablePropertyValuesTests.java source code

/*
 * Copyright 2002-2005 the original author or authors.
 *
 * Licensed 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.springframework.beans;

/**
 * Tests for MutablePropertyValues.
 *
 * @author Rod Johnson
 */
public class MutablePropertyValuesTests extends AbstractPropertyValuesTests {

	public void testValid() throws Exception {
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue(new PropertyValue("forname", "Tony"));
		pvs.addPropertyValue(new PropertyValue("surname", "Blair"));
		pvs.addPropertyValue(new PropertyValue("age", "50"));
		doTestTony(pvs);
		
		MutablePropertyValues deepCopy = new MutablePropertyValues(pvs);
		doTestTony(deepCopy);
		deepCopy.setPropertyValueAt(new PropertyValue("name", "Gordon"), 0);
		doTestTony(pvs);
		assertEquals("Gordon", deepCopy.getPropertyValue("name").getValue());
	}

	public void addOrOverride() throws Exception {
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue(new PropertyValue("forname", "Tony"));
		pvs.addPropertyValue(new PropertyValue("surname", "Blair"));
		pvs.addPropertyValue(new PropertyValue("age", "50"));
		doTestTony(pvs);
		PropertyValue addedPv = new PropertyValue("rod", "Rod");
		pvs.addPropertyValue(addedPv);
		assertTrue(pvs.getPropertyValue("rod").equals(addedPv));
		PropertyValue changedPv = new PropertyValue("forname", "Greg");
		pvs.addPropertyValue(changedPv);
		assertTrue(pvs.getPropertyValue("forename").equals(changedPv));
	}

	public void testChangesOnEquals() throws Exception {
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue(new PropertyValue("forname", "Tony"));
		pvs.addPropertyValue(new PropertyValue("surname", "Blair"));
		pvs.addPropertyValue(new PropertyValue("age", "50"));
		MutablePropertyValues pvs2 = pvs;
		PropertyValues changes = pvs2.changesSince(pvs);
		assertTrue("changes are empty", changes.getPropertyValues().length == 0);
	}

	public void testChangeOfOneField() throws Exception {
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue(new PropertyValue("forname", "Tony"));
		pvs.addPropertyValue(new PropertyValue("surname", "Blair"));
		pvs.addPropertyValue(new PropertyValue("age", "50"));

		MutablePropertyValues pvs2 = new MutablePropertyValues(pvs);
		PropertyValues changes = pvs2.changesSince(pvs);
		assertTrue("changes are empty, not of length " + changes.getPropertyValues().length,
				changes.getPropertyValues().length == 0);

		pvs2.addPropertyValue(new PropertyValue("forname", "Gordon"));
		changes = pvs2.changesSince(pvs);
		assertEquals("1 change", 1, changes.getPropertyValues().length);
		PropertyValue fn = changes.getPropertyValue("forname");
		assertTrue("change is forname", fn != null);
		assertTrue("new value is gordon", fn.getValue().equals("Gordon"));

		MutablePropertyValues pvs3 = new MutablePropertyValues(pvs);
		changes = pvs3.changesSince(pvs);
		assertTrue("changes are empty, not of length " + changes.getPropertyValues().length,
				changes.getPropertyValues().length == 0);

		// add new
		pvs3.addPropertyValue(new PropertyValue("foo", "bar"));
		pvs3.addPropertyValue(new PropertyValue("fi", "fum"));
		changes = pvs3.changesSince(pvs);
		assertTrue("2 change", changes.getPropertyValues().length == 2);
		fn = changes.getPropertyValue("foo");
		assertTrue("change in foo", fn != null);
		assertTrue("new value is bar", fn.getValue().equals("bar"));
	}

}