/*
* $Id: ELAttributeEvaluatorTest.java 1291847 2012-02-21 15:09:30Z nlebas $
*
* 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.tiles.el;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import javax.el.ArrayELResolver;
import javax.el.BeanELResolver;
import javax.el.CompositeELResolver;
import javax.el.ELResolver;
import javax.el.ListELResolver;
import javax.el.MapELResolver;
import javax.el.ResourceBundleELResolver;
import junit.framework.TestCase;
import org.apache.el.ExpressionFactoryImpl;
import org.apache.tiles.Attribute;
import org.apache.tiles.Expression;
import org.apache.tiles.request.ApplicationContext;
import org.apache.tiles.request.Request;
import org.easymock.EasyMock;
/**
* Tests {@link ELAttributeEvaluator}.
*
* @version $Rev: 1291847 $ $Date: 2012-02-21 16:09:30 +0100 (Tue, 21 Feb 2012) $
*/
public class ELAttributeEvaluatorTest extends TestCase {
/**
* The evaluator to test.
*/
private ELAttributeEvaluator evaluator;
/**
* The request object to use.
*/
private Request request;
/** {@inheritDoc} */
@Override
protected void setUp() throws Exception {
super.setUp();
evaluator = new ELAttributeEvaluator();
Map<String, Object> requestScope = new HashMap<String, Object>();
Map<String, Object> sessionScope = new HashMap<String, Object>();
Map<String, Object> applicationScope = new HashMap<String, Object>();
requestScope.put("object1", "value");
sessionScope.put("object2", new Integer(1));
applicationScope.put("object3", new Float(2.0));
requestScope.put("paulaBean", new PaulaBean());
request = EasyMock.createMock(Request.class);
EasyMock.expect(request.getContext("request")).andReturn(requestScope)
.anyTimes();
EasyMock.expect(request.getContext("session")).andReturn(sessionScope)
.anyTimes();
EasyMock.expect(request.getContext("application")).andReturn(
applicationScope).anyTimes();
EasyMock.expect(request.getAvailableScopes()).andReturn(
Arrays.asList(new String[] { "request", "session", "application" })).anyTimes();
ApplicationContext applicationContext = EasyMock
.createMock(ApplicationContext.class);
EasyMock.expect(request.getApplicationContext()).andReturn(
applicationContext).anyTimes();
EasyMock.replay(request, applicationContext);
evaluator.setExpressionFactory(new ExpressionFactoryImpl());
ELResolver elResolver = new CompositeELResolver() {
{
BeanELResolver beanElResolver = new BeanELResolver(false);
add(new ScopeELResolver());
add(new TilesContextELResolver(beanElResolver));
add(new TilesContextBeanELResolver());
add(new ArrayELResolver(false));
add(new ListELResolver(false));
add(new MapELResolver(false));
add(new ResourceBundleELResolver());
add(beanElResolver);
}
};
evaluator.setResolver(elResolver);
}
/**
* Tests
* {@link ELAttributeEvaluator#evaluate(Attribute, Request)}.
*/
public void testEvaluate() {
Attribute attribute = new Attribute();
attribute.setExpressionObject(new Expression("${requestScope.object1}"));
assertEquals("The value is not correct", "value", evaluator.evaluate(
attribute, request));
attribute.setExpressionObject(new Expression("${sessionScope.object2}"));
assertEquals("The value is not correct", new Integer(1), evaluator
.evaluate(attribute, request));
attribute.setExpressionObject(new Expression("${applicationScope.object3}"));
assertEquals("The value is not correct", new Float(2.0), evaluator
.evaluate(attribute, request));
attribute.setExpressionObject(new Expression("${object1}"));
assertEquals("The value is not correct", "value", evaluator.evaluate(
attribute, request));
attribute.setExpressionObject(new Expression("${object2}"));
assertEquals("The value is not correct", new Integer(1), evaluator
.evaluate(attribute, request));
attribute.setExpressionObject(new Expression("${object3}"));
assertEquals("The value is not correct", new Float(2.0), evaluator
.evaluate(attribute, request));
attribute.setExpressionObject(new Expression("${paulaBean.paula}"));
assertEquals("The value is not correct", "Brillant", evaluator
.evaluate(attribute, request));
attribute.setExpressionObject(new Expression("String literal"));
assertEquals("The value is not correct", "String literal", evaluator
.evaluate(attribute, request));
attribute.setValue(new Integer(2));
assertEquals("The value is not correct", new Integer(2), evaluator
.evaluate(attribute, request));
attribute.setValue("${object1}");
assertEquals("The value has been evaluated", "${object1}", evaluator
.evaluate(attribute, request));
}
/**
* Tests
* {@link ELAttributeEvaluator#evaluate(String, Request)}.
*/
public void testEvaluateString() {
String expression = "${requestScope.object1}";
assertEquals("The value is not correct", "value", evaluator.evaluate(
expression, request));
expression = "${sessionScope.object2}";
assertEquals("The value is not correct", new Integer(1), evaluator
.evaluate(expression, request));
expression = "${applicationScope.object3}";
assertEquals("The value is not correct", new Float(2.0), evaluator
.evaluate(expression, request));
expression = "${object1}";
assertEquals("The value is not correct", "value", evaluator.evaluate(
expression, request));
expression = "${object2}";
assertEquals("The value is not correct", new Integer(1), evaluator
.evaluate(expression, request));
expression = "${object3}";
assertEquals("The value is not correct", new Float(2.0), evaluator
.evaluate(expression, request));
expression = "${paulaBean.paula}";
assertEquals("The value is not correct", "Brillant", evaluator
.evaluate(expression, request));
expression = "String literal";
assertEquals("The value is not correct", expression, evaluator
.evaluate(expression, request));
}
/**
* This is The Brillant Paula Bean (sic) just like it was posted to:
* http://thedailywtf.com/Articles/The_Brillant_Paula_Bean.aspx
* I hope that there is no copyright on it.
*/
public static class PaulaBean {
/**
* Paula is brillant, really.
*/
private String paula = "Brillant";
/**
* Returns brillant.
*
* @return "Brillant".
*/
public String getPaula() {
return paula;
}
}
}