/*
* $Id: OGNLAttributeEvaluatorTest.java 817009 2009-09-20 11:26:26Z apetrelli $
*
* 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.ognl;
import java.util.HashMap;
import java.util.Map;
import junit.framework.TestCase;
import ognl.OgnlRuntime;
import ognl.PropertyAccessor;
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.ognl.ApplicationScopeNestedObjectExtractor;
import org.apache.tiles.ognl.DelegatePropertyAccessor;
import org.apache.tiles.ognl.NestedObjectDelegatePropertyAccessor;
import org.apache.tiles.ognl.OGNLAttributeEvaluator;
import org.apache.tiles.ognl.PropertyAccessorDelegateFactory;
import org.apache.tiles.ognl.RequestScopeNestedObjectExtractor;
import org.apache.tiles.ognl.SessionScopeNestedObjectExtractor;
import org.apache.tiles.ognl.TilesApplicationContextNestedObjectExtractor;
import org.apache.tiles.ognl.TilesContextPropertyAccessorDelegateFactory;
import org.easymock.EasyMock;
/**
* Tests {@link OGNLAttributeEvaluator}.
*
* @version $Rev: 817009 $ $Date: 2009-09-20 13:26:26 +0200 (dom, 20 set 2009) $$
*/
public class OGNLAttributeEvaluatorTest extends TestCase {
/**
* The evaluator to test.
*/
private OGNLAttributeEvaluator evaluator;
/**
* The request object to use.
*/
private TilesRequestContext request;
/** {@inheritDoc} */
protected void setUp() throws Exception {
super.setUp();
PropertyAccessor objectPropertyAccessor = OgnlRuntime.getPropertyAccessor(Object.class);
PropertyAccessor mapPropertyAccessor = OgnlRuntime.getPropertyAccessor(Map.class);
PropertyAccessor applicationContextPropertyAccessor =
new NestedObjectDelegatePropertyAccessor<TilesRequestContext>(
new TilesApplicationContextNestedObjectExtractor(),
objectPropertyAccessor);
PropertyAccessor requestScopePropertyAccessor = new NestedObjectDelegatePropertyAccessor<TilesRequestContext>(
new RequestScopeNestedObjectExtractor(), mapPropertyAccessor);
PropertyAccessor sessionScopePropertyAccessor = new NestedObjectDelegatePropertyAccessor<TilesRequestContext>(
new SessionScopeNestedObjectExtractor(), mapPropertyAccessor);
PropertyAccessor applicationScopePropertyAccessor =
new NestedObjectDelegatePropertyAccessor<TilesRequestContext>(
new ApplicationScopeNestedObjectExtractor(), mapPropertyAccessor);
PropertyAccessorDelegateFactory<TilesRequestContext> factory = new TilesContextPropertyAccessorDelegateFactory(
objectPropertyAccessor, applicationContextPropertyAccessor,
requestScopePropertyAccessor, sessionScopePropertyAccessor,
applicationScopePropertyAccessor);
PropertyAccessor tilesRequestAccessor = new DelegatePropertyAccessor<TilesRequestContext>(factory);
OgnlRuntime.setPropertyAccessor(TilesRequestContext.class, tilesRequestAccessor);
evaluator = new OGNLAttributeEvaluator();
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 OGNLAttributeEvaluator#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 OGNLAttributeEvaluator#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;
}
}
}