Struts example source code file (VelocityResultTest.java)

This example Struts source code file (VelocityResultTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

actioninvocation, bean, exception, exception, parseerrorexception, string, string, template, template, testresult, testresult, testvelocityengine, utf-8, valuestack

The Struts VelocityResultTest.java source code

/*
 * $Id: VelocityResultTest.java 651946 2008-04-27 13:41:38Z 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.struts2.dispatcher;

import junit.framework.TestCase;

import org.apache.struts2.StrutsTestCase;
import org.apache.velocity.Template;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.exception.ParseErrorException;
import org.apache.velocity.exception.ResourceNotFoundException;

import com.mockobjects.dynamic.Mock;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.ActionProxy;
import com.opensymphony.xwork2.util.ValueStack;
import com.opensymphony.xwork2.util.ValueStackFactory;


/**
 *
 */
public class VelocityResultTest extends StrutsTestCase {

    ActionInvocation actionInvocation;
    Mock mockActionProxy;
    ValueStack stack;
    String namespace;
    TestVelocityEngine velocity;
    VelocityResult result;


    public void testCanResolveLocationUsingOgnl() throws Exception {
        TestResult result = new TestResult();

        String location = "/myaction.action";
        Bean bean = new Bean();
        bean.setLocation(location);

        ValueStack stack = ActionContext.getContext().getValueStack();
        stack.push(bean);

        assertEquals(location, stack.findValue("location"));

        result.setLocation("${location}");
        result.execute(actionInvocation);
        assertEquals(location, result.finalLocation);
    }

    public void testCanResolveLocationUsingStaticExpression() throws Exception {
        TestResult result = new TestResult();
        String location = "/any.action";
        result.setLocation("${'" + location + "'}");
        result.execute(actionInvocation);
        assertEquals(location, result.finalLocation);
    }

    public void testResourcesFoundUsingAbsolutePath() throws Exception {
        String location = "/WEB-INF/views/registration.vm";

        Template template = result.getTemplate(stack, velocity, actionInvocation, location, "UTF-8");
        assertNotNull(template);
        assertEquals("expect absolute locations to be handled as is", location, velocity.templateName);
    }

    public void testResourcesFoundUsingNames() throws Exception {
        String location = "Registration.vm";
        String expectedTemplateName = namespace + "/" + location;

        Template template = result.getTemplate(stack, velocity, actionInvocation, location, "UTF-8");
        assertNotNull(template);
        assertEquals("expect the prefix to be appended to the path when the location is not absolute", expectedTemplateName, velocity.templateName);
    }

    protected void setUp() throws Exception {
        super.setUp();
        namespace = "/html";
        result = new VelocityResult();
        stack = ActionContext.getContext().getValueStack();
        ActionContext.getContext().setValueStack(stack);
        velocity = new TestVelocityEngine();
        mockActionProxy = new Mock(ActionProxy.class);
        mockActionProxy.expectAndReturn("getNamespace", "/html");

        Mock mockActionInvocation = new Mock(ActionInvocation.class);
        mockActionInvocation.expectAndReturn("getProxy", mockActionProxy.proxy());
        mockActionInvocation.expectAndReturn("getStack", stack);
        actionInvocation = (ActionInvocation) mockActionInvocation.proxy();
    }


    class Bean {
        private String location;

        public void setLocation(String location) {
            this.location = location;
        }

        public String getLocation() {
            return location;
        }
    }

    class TestResult extends StrutsResultSupport {

        private static final long serialVersionUID = -1512206785088317315L;

        public String finalLocation;

        protected void doExecute(String finalLocation, ActionInvocation invocation) throws Exception {
            this.finalLocation = finalLocation;
        }
    }

    class TestVelocityEngine extends VelocityEngine {
        public String templateName;

        public Template getTemplate(String templateName) throws ResourceNotFoundException, ParseErrorException, Exception {
            this.templateName = templateName;

            return new Template();
        }

        public Template getTemplate(String templateName, String charSet) throws ResourceNotFoundException, ParseErrorException, Exception {
            this.templateName = templateName;

            return new Template();
        }
    }
}