| /* |
| * $Id$ |
| * |
| * 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.mvel; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.tiles.Attribute; |
| import org.apache.tiles.Expression; |
| import org.apache.tiles.TilesApplicationContext; |
| import org.apache.tiles.context.TilesRequestContext; |
| import org.apache.tiles.context.TilesRequestContextHolder; |
| import org.apache.tiles.mvel.MVELAttributeEvaluator; |
| import org.apache.tiles.mvel.TilesContextBeanVariableResolverFactory; |
| import org.apache.tiles.mvel.TilesContextVariableResolverFactory; |
| import org.easymock.EasyMock; |
| import org.mvel2.integration.VariableResolverFactory; |
| |
| /** |
| * Tests {@link MVELAttributeEvaluator}. |
| * |
| * @version $Rev$ $Date$$ |
| */ |
| public class MVELAttributeEvaluatorTest extends TestCase { |
| |
| /** |
| * The evaluator to test. |
| */ |
| private MVELAttributeEvaluator evaluator; |
| |
| /** |
| * The request object to use. |
| */ |
| private TilesRequestContext request; |
| |
| /** {@inheritDoc} */ |
| protected void setUp() throws Exception { |
| super.setUp(); |
| TilesRequestContextHolder requestHolder = new TilesRequestContextHolder(); |
| VariableResolverFactory variableResolverFactory = 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 = EasyMock.createMock(TilesRequestContext.class); |
| EasyMock.expect(request.getRequestScope()).andReturn(requestScope) |
| .anyTimes(); |
| EasyMock.expect(request.getSessionScope()).andReturn(sessionScope) |
| .anyTimes(); |
| TilesApplicationContext applicationContext = EasyMock |
| .createMock(TilesApplicationContext.class); |
| EasyMock.expect(request.getApplicationContext()).andReturn( |
| applicationContext).anyTimes(); |
| EasyMock.expect(applicationContext.getApplicationScope()).andReturn( |
| applicationScope).anyTimes(); |
| EasyMock.replay(request, applicationContext); |
| } |
| |
| /** |
| * Tests |
| * {@link MVELAttributeEvaluator#evaluate(Attribute, TilesRequestContext)}. |
| */ |
| 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 MVELAttributeEvaluator#evaluate(String, TilesRequestContext)}. |
| */ |
| 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)); |
| } |
| |
| /** |
| * 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; |
| } |
| } |
| } |