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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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*/
package org.codehaus.groovy.runtime;
import groovy.lang.MissingMethodException;
import groovy.util.GroovyTestCase;
import groovy.util.HeadlessTestSupport;
import groovy.util.Node;
import javax.swing.*;
import java.awt.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Test the property access of the Invoker class
*
* @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
*/
public class PropertyTest extends GroovyTestCase {
public void testMapProperties() throws Exception {
Map map = new HashMap();
map.put("foo", "abc");
map.put("bar", new Integer(123));
assertGetSetProperty(map, "foo", "abc", "def");
assertGetSetProperty(map, "bar", new Integer(123), new Double(12.34));
}
public void testBeanProperties() throws Exception {
DummyBean bean = new DummyBean();
assertGetSetProperty(bean, "name", "James", "Bob");
assertGetSetProperty(bean, "i", new Integer(123), new Integer(455));
// dynamic properties
assertGetSetProperty(bean, "dynamicFoo", null, "aValue");
assertGetSetProperty(bean, "dynamicFoo", "aValue", "NewValue");
}
public void testStaticProperty() throws Exception {
Object value = InvokerHelper.getProperty(System.class, "out");
assertEquals("static property out", System.out, value);
}
public void testClassProperty() throws Exception {
Class c = String.class;
Object value = InvokerHelper.getProperty(c, "name");
assertEquals("class name property", c.getName(), value);
}
public void testMapEntryProperty() throws Exception {
HashMap map = new HashMap();
map.put("a", "x");
Object[] array = map.entrySet().toArray();
Object entry = array[0];
Object key = InvokerHelper.getProperty(entry, "key");
assertEquals("key property", "a", key);
Object value = InvokerHelper.getProperty(entry, "value");
assertEquals("value property", "x", value);
}
public void testListCoercionProperty() throws Exception {
DummyBean bean = new DummyBean();
List list = new ArrayList();
list.add(new Integer(10));
list.add(new Integer(20));
InvokerHelper.setProperty(bean, "point", list);
assertEquals("Should have set a point", new Point(10, 20), bean.getPoint());
}
public void testListCoercionPropertyOnJFrame() throws Exception {
if (HeadlessTestSupport.isHeadless()) return;
try {
JFrame bean = new JFrame();
List list = new ArrayList();
list.add(new Integer(10));
list.add(new Integer(20));
InvokerHelper.setProperty(bean, "location", list);
assertEquals("Should have set a point", new Point(10, 20), bean.getLocation());
}
catch (MissingMethodException e) {
System.out.println("Failed with cause: " + e);
e.printStackTrace();
fail("Should not have throw: " + e);
}
}
public void testListNavigationProperty() throws Exception {
List list = new ArrayList();
list.add(new DummyBean("James"));
list.add(new DummyBean("Bob"));
List value = (List) InvokerHelper.getProperty(list, "name");
assertArrayEquals(new Object[]{"James", "Bob"}, value.toArray());
}
public void testListOfListNavigationProperty() throws Exception {
List list = new ArrayList();
list.add(new DummyBean("James"));
list.add(new DummyBean("Bob"));
List listOfList = new ArrayList();
listOfList.add(list);
List value = (List) InvokerHelper.getProperty(listOfList, "name");
Object[] objects = value.toArray();
List objectList = (List) objects[0];
assertArrayEquals(new Object[]{"James", "Bob"}, objectList.toArray());
}
public void testNodeNavigationProperty() throws Exception {
Node z = new Node(null, "z");
Node y = new Node(null, "y");
List children = new ArrayList();
children.add(y);
children.add(z);
Node x = new Node(null, "x", children);
children = new ArrayList();
children.add(x);
Node b = new Node(null, "b", children);
// @todo should try with just a node as the child
List value = (List) InvokerHelper.getProperty(b, "x");
assertArrayEquals(new Object[]{x}, value.toArray());
value = (List) InvokerHelper.getProperty(value, "z");
assertArrayEquals(new Object[]{z}, value.toArray());
}
public void testUsingInPropertyOnProcessViaGroovyMethod() throws Exception {
String[] java = {System.getProperty("java.home") + "/bin/java", "-version"};
Process process = ProcessGroovyMethods.execute(java);
Object value = InvokerHelper.getProperty(process, "in");
assertNotNull(value);
process.destroy();
}
public Object getCheese() {
return "cheddar";
}
public void testComponentParent() {
if (HeadlessTestSupport.isHeadless()) return;
JPanel panel = new JPanel();
JButton bean = new JButton();
panel.add(bean);
Object value = InvokerHelper.getProperty(bean, "parent");
assertTrue(value != null);
}
// Implementation methods
//-------------------------------------------------------------------------
protected void assertGetSetProperty(Object object, String property, Object currentValue, Object newValue) {
assertGetProperty(object, property, currentValue);
InvokerHelper.setProperty(object, property, newValue);
assertGetProperty(object, property, newValue);
}
protected void assertGetProperty(Object object, String property, Object expected) {
Object value = InvokerHelper.getProperty(object, property);
assertEquals("property: " + property + " of: " + object, expected, value);
}
}