/*
* $Id: MVELAttributeEvaluatorTest.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.mvel;
import java.util.Arrays;
import static org.easymock.classextension.EasyMock.*;
import static org.junit.Assert.*;
import java.util.HashMap;
import java.util.Map;
import org.apache.tiles.Attribute;
import org.apache.tiles.Expression;
import org.apache.tiles.context.TilesRequestContextHolder;
import org.apache.tiles.request.ApplicationContext;
import org.apache.tiles.request.Request;
import org.junit.Before;
import org.junit.Test;
import org.mvel2.integration.VariableResolverFactory;
/**
* Tests {@link MVELAttributeEvaluator}.
*
* @version $Rev: 1291847 $ $Date: 2012-02-21 16:09:30 +0100 (Tue, 21 Feb 2012) $$
*/
public class MVELAttributeEvaluatorTest {
/**
* The evaluator to test.
*/
private MVELAttributeEvaluator evaluator;
/**
* The request object to use.
*/
private Request request;
/**
* The application context.
*/
private ApplicationContext applicationContext;
/**
* Sets up the test.
*/
@Before
public void setUp() {
TilesRequestContextHolder requestHolder = new TilesRequestContextHolder();
VariableResolverFactory variableResolverFactory = new ScopeVariableResolverFactory(
requestHolder);
variableResolverFactory
.setNextFactory(new TilesContextVariableResolverFactory(
requestHolder));
variableResolverFactory
.setNextFactory(new TilesContextBeanVariableResolverFactory(
requestHolder));
evaluator = new MVELAttributeEvaluator(requestHolder,
variableResolverFactory);
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 = createMock(Request.class);
expect(request.getContext("request")).andReturn(requestScope)
.anyTimes();
expect(request.getContext("session")).andReturn(sessionScope)
.anyTimes();
expect(request.getContext("application")).andReturn(applicationScope)
.anyTimes();
expect(request.getAvailableScopes()).andReturn(
Arrays.asList(new String[] { "request", "session", "application" })).anyTimes();
applicationContext = createMock(ApplicationContext.class);
expect(request.getApplicationContext()).andReturn(
applicationContext).anyTimes();
replay(request, applicationContext);
}
/**
* Tests {@link MVELAttributeEvaluator#evaluate(String, Request)}.
*/
@Test(expected = IllegalArgumentException.class)
public void testEvaluateNull() {
evaluator.evaluate((String) null, request);
verify(request, applicationContext);
}
/**
* Tests
* {@link MVELAttributeEvaluator#evaluate(Attribute, Request)}.
*/
@Test
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));
verify(request, applicationContext);
}
/**
* Tests {@link MVELAttributeEvaluator#evaluate(String, Request)}.
*/
@Test
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", "String literal", evaluator
.evaluate(expression, request));
verify(request, applicationContext);
}
/**
* 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;
}
}
}