org.xchain.namespaces.javascript.MergeJavaScriptTest.java Source code

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Here is the source code for org.xchain.namespaces.javascript.MergeJavaScriptTest.java

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/**
 *    Copyright 2011 meltmedia
 *
 *    Licensed 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.xchain.namespaces.javascript;

import static org.junit.Assert.*;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import javax.xml.namespace.QName;

import org.apache.commons.jxpath.JXPathContext;
import org.jmock.Expectations;
import org.jmock.Mockery;
import org.jmock.integration.junit4.JUnit4Mockery;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.xchain.Command;
import org.xchain.framework.factory.CatalogFactory;
import org.xchain.framework.jxpath.ScopedQNameVariables;
import org.xchain.framework.lifecycle.Lifecycle;
import org.xchain.framework.lifecycle.LifecycleException;
import org.xchain.framework.servlet.CatalogServlet;
import org.xchain.framework.servlet.XChainListener;

/**
 * @author John Trimble
 */
public class MergeJavaScriptTest {
    private static final String CATALOG_SYSTEM_ID = "resource://context-class-loader/org/xchain/namespaces/javascript/test.xchain";
    private static final String MANIFEST_SYSTEM_ID = "resource://context-class-loader/org/xchain/namespaces/javascript/jsmanifest";
    private static final String COMPRESS_CHAIN_NAME = "test00";

    protected static CatalogServlet catalogServlet;

    @BeforeClass
    public static void startXChains() throws LifecycleException, ServletException {
        Mockery servletMockery = new JUnit4Mockery();
        final String systemTemporaryDirectory = System.getProperty("java.io.tmpdir");

        // Create a mock ServletConfig and ServletContext
        final ServletConfig servletConfig = servletMockery.mock(ServletConfig.class);
        final ServletContext servletContext = servletMockery.mock(ServletContext.class);
        servletMockery.checking(new Expectations() {
            {
                allowing(servletContext).getAttribute("javax.servlet.context.tempdir");
                will(returnValue(systemTemporaryDirectory));
                allowing(servletContext).getInitParameter("ccl-policy");
                will(returnValue(null));
            }
        });

        servletMockery.checking(new Expectations() {
            {
                // Setup the base catalog to use the context class loader.
                one(servletConfig).getInitParameter(CatalogServlet.BASE_CATALOG_NAME_PARAM);
                will(returnValue("resource://context-class-loader/org/xchain/framework/servlet/webapp"));
            }
        });

        // Create and initialize the CatalogServlet.
        catalogServlet = new CatalogServlet();
        catalogServlet.init(servletConfig);

        // Create the XChainListener.
        XChainListener xchainListener = new XChainListener();
        // Since this is not running in a proper web server, there is nothing to fire
        // a ServletContextEvent when the ServletContext is initialized.  Fire the 
        // contextInitialized event manually.  This should cause the Lifecycle
        // to start running.
        xchainListener.contextInitialized(new ServletContextEvent(servletContext));
    }

    @AfterClass
    public static void stopXChains() throws LifecycleException {
        Lifecycle.stopLifecycle();
    }

    @Test
    public void testJavaScriptMerge() throws Exception {
        JXPathContext context = org.xchain.framework.jxpath.JXPathContextFactoryImpl.newInstance().newContext(null,
                new Object());
        HttpServletResponse response = createHttpResponseMockery();
        ((ScopedQNameVariables) context.getVariables())
                .declareVariable(new QName(org.xchain.namespaces.servlet.Constants.URI,
                        org.xchain.namespaces.servlet.Constants.RESPONSE), response);

        Command command = CatalogFactory.getInstance().getCatalog(CATALOG_SYSTEM_ID)
                .getCommand(COMPRESS_CHAIN_NAME);
        command.execute(context);
        String result = ((ServletByteArrayOutputStream) response.getOutputStream()).getByteArrayOutputStream()
                .toString();
    }

    protected HttpServletResponse createHttpResponseMockery() throws IOException {
        Mockery requestResponseMockery = new JUnit4Mockery();
        final HttpServletResponse response = requestResponseMockery.mock(HttpServletResponse.class);
        final ServletByteArrayOutputStream output = new ServletByteArrayOutputStream();
        requestResponseMockery.checking(new Expectations() {
            {
                allowing(response).getOutputStream();
                will(returnValue(output));

                allowing(response).setContentType("text/javascript");
                allowing(response).isCommitted();
                will(returnValue(true));

                allowing(response).setContentType(with(any(String.class)));

                allowing(response).setStatus(200);
            }
        });
        return response;
    }

    static class ServletByteArrayOutputStream extends ServletOutputStream {

        private ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

        @Override
        public void write(int data) throws IOException {
            this.byteArrayOutputStream.write(data);
        }

        public ByteArrayOutputStream getByteArrayOutputStream() {
            return byteArrayOutputStream;
        }
    }
}