statelesstest.java

这是远程web服务调用的一个包,可以将JSP直接作为服务

package com.meterware.servletunit;
/********************************************************************************************************************
 * $Id: StatelessTest.java,v 1.13 2003/07/22 01:49:09 russgold Exp $
 *
 * Copyright (c) 2000-2003, Russell Gold
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
 * to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
 * THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 *******************************************************************************************************************/
import com.meterware.httpunit.*;
import com.meterware.pseudoserver.HttpUserAgentTest;

import java.io.*;
import java.net.HttpURLConnection;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import junit.framework.TestCase;
import junit.framework.TestSuite;


/**
 * Tests support for stateless HttpServlets.
 *
 * @author <a href="mailto:[e-mail]">Russell Gold</a>
 **/
public class StatelessTest extends TestCase {

    public static void main( String args[] ) {
        junit.textui.TestRunner.run( suite() );
    }


    public static TestSuite suite() {
        return new TestSuite( StatelessTest.class );
    }


    public StatelessTest( String name ) {
        super( name );
    }


    public void testNotFound() throws Exception {
        ServletRunner sr = new ServletRunner();

        WebRequest request = new GetMethodWebRequest( "http://localhost/nothing" );
        try {
            sr.getResponse( request );
            fail( "Should have rejected the request" );
        } catch (HttpNotFoundException e) {
            assertEquals( "Response code", HttpURLConnection.HTTP_NOT_FOUND, e.getResponseCode() );
        }
    }


    public void testServletCaching() throws Exception {
        final String resourceName = "something/interesting";

        assertEquals( "Initial instances of servlet class", 0, AccessCountServlet.getNumInstances() );
        ServletRunner sr = new ServletRunner();
        sr.registerServlet( resourceName, AccessCountServlet.class.getName() );

        WebRequest request = new GetMethodWebRequest( "http://localhost/" + resourceName );
        assertEquals( "First reply", "1", sr.getResponse( request ).getText().trim() );
        assertEquals( "Instances of servlet class after first call", 1, AccessCountServlet.getNumInstances() );
        assertEquals( "Second reply", "2", sr.getResponse( request ).getText().trim() );
        assertEquals( "Instances of servlet class after first call", 1, AccessCountServlet.getNumInstances() );
        sr.shutDown();
        assertEquals( "Instances of servlet class after shutdown", 0, AccessCountServlet.getNumInstances() );
    }


    public void testServletAccessByClassName() throws Exception {
        ServletRunner sr = new ServletRunner();

        WebRequest request = new GetMethodWebRequest( "http://localhost/servlet/" + SimpleGetServlet.class.getName() );
        WebResponse response = sr.getResponse( request );
        assertNotNull( "No response received", response );
        assertEquals( "content type", "text/html", response.getContentType() );
        assertEquals( "requested resource", SimpleGetServlet.RESPONSE_TEXT, response.getText() );
    }


    public void testSimpleGet() throws Exception {
        final String resourceName = "something/interesting";

        ServletRunner sr = new ServletRunner();
        sr.registerServlet( resourceName, SimpleGetServlet.class.getName() );

        WebRequest request = new GetMethodWebRequest( "http://localhost/" + resourceName );
        WebResponse response = sr.getResponse( request );
        assertNotNull( "No response received", response );
        assertEquals( "content type", "text/html", response.getContentType() );
        assertEquals( "requested resource", SimpleGetServlet.RESPONSE_TEXT, response.getText() );
    }


    public void testGetWithSetParams() throws Exception {
        final String resourceName = "something/interesting";

        ServletRunner sr = new ServletRunner();
        sr.registerServlet( resourceName, ParameterServlet.class.getName() );

        WebRequest request = new GetMethodWebRequest( "http://localhost/" + resourceName );
        request.setParameter( "color", "red" );
        WebResponse response = sr.getResponse( request );
        assertNotNull( "No response received", response );
        assertEquals( "content type", "text/plain", response.getContentType() );
        assertEquals( "requested resource", "You selected red", response.getText() );
        String[] headers = response.getHeaderFields( "MyHeader" );
        assertEquals( "Number of MyHeaders returned", 2, headers.length );
        assertEquals( "MyHeader #1", "value1", headers[ 0 ] );
        assertEquals( "MyHeader #2", "value2", headers[ 1 ] );
    }


    public void testGetWithInlineParams() throws Exception {
        final String resourceName = "something/interesting";

        ServletRunner sr = new ServletRunner();
        sr.registerServlet( resourceName, ParameterServlet.class.getName() );

        WebRequest request = new GetMethodWebRequest( "http://localhost/" + resourceName + "?color=dark+red" );
        WebResponse response = sr.getResponse( request );
        assertNotNull( "No response received", response );
        assertEquals( "content type", "text/plain", response.getContentType() );
        assertEquals( "requested resource", "You selected dark red", response.getText() );
    }


    public void testHeaderRetrieval() throws Exception {
        ServletRunner sr = new ServletRunner();
        sr.registerServlet( "/Parameters", ParameterServlet.class.getName() );

        ServletUnitClient client = sr.newClient();
        client.setHeaderField( "Sample", "Value" );
        client.setHeaderField( "Request", "Client" );
        WebRequest request = new GetMethodWebRequest( "http://localhost/Parameters?color=dark+red" );
        request.setHeaderField( "request", "Caller" );
        InvocationContext ic = client.newInvocation( request );
        assertEquals( "Sample header", "Value", ic.getRequest().getHeader( "sample" ) );
        assertEquals( "Request header", "Caller", ic.getRequest().getHeader( "Request" ) );
    }


    public void testParameterHandling() throws Exception {
        ServletRunner sr = new ServletRunner();
        sr.registerServlet( "/testForm", FormSubmissionServlet.class.getName() );

        ServletUnitClient client = sr.newClient();
        WebResponse wr = client.getResponse( "http://localhost/testForm" );
        WebForm form = wr.getForms()[0];
        form.setParameter( "login", "me" );
        form.setParameter( "password", "haha" );
        form.submit();
        assertEquals( "Resultant response", "You posted me,haha", client.getCurrentPage().getText() );
    }


    public void testSimplePost() throws Exception {
        final String resourceName = "something/interesting";

        ServletRunner sr = new ServletRunner();
        sr.registerServlet( resourceName, ParameterServlet.class.getName() );

        WebRequest request = new PostMethodWebRequest( "http://localhost/" + resourceName );
        request.setParameter( "color", "red" );
        WebResponse response = sr.getResponse( request );
        assertNotNull( "No response received", response );
        assertEquals( "content type", "text/plain", response.getContentType() );
        assertEquals( "requested resource", "You posted red", response.getText() );
    }