| /* |
| * $Id$ |
| * |
| * 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 $Rev$ $Date$ |
| */ |
| 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; |
| } |
| } |
| } |