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