org.gwtwidgets.server.spring.test.TestRPCExporter.java Source code

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Here is the source code for org.gwtwidgets.server.spring.test.TestRPCExporter.java

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/*
 * 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.gwtwidgets.server.spring.test;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.gwtwidgets.server.spring.GWTRPCServiceExporter;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockServletConfig;
import org.springframework.mock.web.MockServletContext;
import org.springframework.web.context.support.XmlWebApplicationContext;
import org.springframework.web.servlet.HandlerExecutionChain;
import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;

/**
 * Tests RPC to a {@link GWTRPCServiceExporter}.
 * 
 * @author George Georgovassilis g.georgovassilis[at]gmail.com
 * 
 */
public class TestRPCExporter extends BaseTest {

    private String requestPayload;
    private String responsePayload;
    private Log logger = LogFactory.getLog(getClass());
    private final static int testCount = 100000;

    XmlWebApplicationContext applicationContext;
    SimpleUrlHandlerMapping handlerMapping;

    @Override
    protected void setUp() throws Exception {

        requestPayload = readResource("request_add.txt");
        responsePayload = readResource("response_add.txt");
        MockServletContext servletContext = new MockServletContext(new TestResourceLoader());
        MockServletConfig servletConfig = new MockServletConfig(servletContext);
        applicationContext = new XmlWebApplicationContext();
        applicationContext.setServletContext(servletContext);
        applicationContext.setServletConfig(servletConfig);
        applicationContext.setConfigLocations(new String[] { "src/test/webapp/WEB-INF/exporter-servlet.xml",
                "src/test/webapp/WEB-INF/applicationContext.xml" });
        applicationContext.refresh();
        handlerMapping = (SimpleUrlHandlerMapping) applicationContext
                .getBean("org.springframework.web.servlet.handler.SimpleUrlHandlerMapping");
    }

    private HttpServletRequest getServiceRequest() throws Exception {
        MockHttpServletRequest serviceRequest = new MockHttpServletRequest("PUT", "/service");
        serviceRequest.setContentType("text/x-gwt-rpc");
        serviceRequest.setCharacterEncoding("UTF-8");
        serviceRequest.setContent(requestPayload.getBytes("UTF-8"));
        return serviceRequest;
    }

    private MockHttpServletResponse getServiceResponse() {
        return new MockHttpServletResponse();
    }

    public void testExporter() throws Exception {
        try {
            logger.info("stressTestExporter: testing RPC");
            HttpServletRequest serviceRequest = getServiceRequest();
            HandlerExecutionChain chain = handlerMapping.getHandler(serviceRequest);
            GWTRPCServiceExporter exporter = (GWTRPCServiceExporter) chain.getHandler();
            long start = System.currentTimeMillis();
            for (int i = 0; i < testCount; i++) {
                MockHttpServletResponse serviceResponse = getServiceResponse();
                exporter.handleRequest(serviceRequest, serviceResponse);
                String sResponse = serviceResponse.getContentAsString();
                assertEquals(responsePayload, sResponse);
            }
            long end = System.currentTimeMillis();
            logger.info("stressTestExporter: " + testCount + " invocations in " + (end - start) + " ms");
        } catch (Throwable t) {
            logger.error(t.getMessage(), t);
            fail();
        }
    }
}