/*
* Copyright 2014 Attila Szegedi, Daniel Dekany, Jonathan Revusky
*
* 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 freemarker.ext.beans;
import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import junit.framework.TestCase;
import freemarker.template.DefaultObjectWrapper;
import freemarker.template.ObjectWrapper;
import freemarker.template.utility.ClassUtil;
import freemarker.template.utility.WriteProtectable;
/**
* Tests if all JavaBean properties of the standard {@link ObjectWrapper} classes are locked by
* {@link WriteProtectable#writeProtect()}.
*/
public class BeansWrapperReadOnlyTest extends TestCase {
private static final String EXPECTED_MESSAGE_PART = "write protected";
public BeansWrapperReadOnlyTest(String name) {
super(name);
}
public void testBeansWrapper() throws Exception {
BeansWrapper bw = new BeansWrapper();
bw.writeProtect();
checkAllPropertiesReadOnly(bw);
}
public void testDefaultObjectWrapper() throws Exception {
BeansWrapper bw = new DefaultObjectWrapper();
bw.writeProtect();
checkAllPropertiesReadOnly(bw);
}
private void checkAllPropertiesReadOnly(Object o) throws Exception {
BeanInfo bi = Introspector.getBeanInfo(o.getClass());
for (PropertyDescriptor pd : bi.getPropertyDescriptors()) {
Method setter = pd.getWriteMethod();
if (setter != null) {
Class t = pd.getPropertyType();
Object val;
if (ClassUtil.isNumerical(t)) {
val = Byte.valueOf((byte) 1);
} else if (t == boolean.class) {
val = Boolean.TRUE;
} else if (t == char.class) {
val = Character.valueOf('c');
} else if (t.isAssignableFrom(String.class)) {
val = "s";
} else {
val = null;
}
try {
setter.invoke(o, val);
fail("This setter should have failed as the property should be read-only now: " + setter);
} catch (InvocationTargetException e) {
Throwable target = e.getTargetException();
if (!(target instanceof IllegalStateException
&& target.getMessage() != null
&& target.getMessage().contains(EXPECTED_MESSAGE_PART))) {
fail("Expected IllegalStateException with message containing \"" + EXPECTED_MESSAGE_PART
+ "\", got this instead: " + target);
}
}
}
}
}
}