/*
 * 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.jmeter.protocol.http.modifier;

import java.io.FileInputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;

import org.apache.jmeter.junit.JMeterTestCase;
import org.apache.jmeter.protocol.http.sampler.HTTPNullSampler;
import org.apache.jmeter.protocol.http.sampler.HTTPSampleResult;
import org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase;
import org.apache.jmeter.save.SaveService;
import org.apache.jmeter.threads.JMeterContext;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jorphan.io.TextFile;

public class TestAnchorModifier extends JMeterTestCase {
        private AnchorModifier parser = new AnchorModifier();
		public TestAnchorModifier(String name) {
			super(name);
		}

		private JMeterContext jmctx = null;

		public void setUp() {
			jmctx = JMeterContextService.getContext();
            parser.setThreadContext(jmctx);
		}

		public void testProcessingHTMLFile(String HTMLFileName) throws Exception {
			HTTPSamplerBase config = (HTTPSamplerBase) SaveService.loadTree(
					new FileInputStream(System.getProperty("user.dir") + "/testfiles/load_bug_list.jmx")).getArray()[0];
			config.setRunningVersion(true);
			HTTPSampleResult result = new HTTPSampleResult();
			HTTPSamplerBase context = (HTTPSamplerBase) SaveService.loadTree(
					new FileInputStream(System.getProperty("user.dir") + "/testfiles/Load_JMeter_Page.jmx")).getArray()[0];
			jmctx.setCurrentSampler(context);
			jmctx.setCurrentSampler(config);
			result.setResponseData(new TextFile(System.getProperty("user.dir") + HTMLFileName).getText().getBytes());
			result.setSampleLabel(context.toString());
			result.setSamplerData(context.toString());
			result.setURL(new URL("http://issues.apache.org/fakepage.html"));
			jmctx.setPreviousResult(result);
			AnchorModifier modifier = new AnchorModifier();
			modifier.setThreadContext(jmctx);
			modifier.process();
			assertEquals("http://issues.apache.org/bugzilla/buglist.cgi?"
					+ "bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED"
					+ "&email1=&emailtype1=substring&emailassigned_to1=1"
					+ "&email2=&emailtype2=substring&emailreporter2=1" + "&bugidtype=include&bug_id=&changedin=&votes="
					+ "&chfieldfrom=&chfieldto=Now&chfieldvalue="
					+ "&product=JMeter&short_desc=&short_desc_type=substring"
					+ "&long_desc=&long_desc_type=substring&bug_file_loc=" + "&bug_file_loc_type=substring&keywords="
					+ "&keywords_type=anywords" + "&field0-0-0=noop&type0-0-0=noop&value0-0-0="
					+ "&cmdtype=doit&order=Reuse+same+sort+as+last+time", config.toString());
			config.recoverRunningVersion();
			assertEquals("http://issues.apache.org/bugzilla/buglist.cgi?"
					+ "bug_status=.*&bug_status=.*&bug_status=.*&email1="
					+ "&emailtype1=substring&emailassigned_to1=1&email2=" + "&emailtype2=substring&emailreporter2=1"
					+ "&bugidtype=include&bug_id=&changedin=&votes=" + "&chfieldfrom=&chfieldto=Now&chfieldvalue="
					+ "&product=JMeter&short_desc=&short_desc_type=substring"
					+ "&long_desc=&long_desc_type=substring&bug_file_loc=" + "&bug_file_loc_type=substring&keywords="
					+ "&keywords_type=anywords&field0-0-0=noop" + "&type0-0-0=noop&value0-0-0=&cmdtype=doit"
					+ "&order=Reuse+same+sort+as+last+time", config.toString());
		}

		public void testModifySampler() throws Exception {
			testProcessingHTMLFile("/testfiles/jmeter_home_page.html");
		}

		public void testModifySamplerWithRelativeLink() throws Exception {
			testProcessingHTMLFile("/testfiles/jmeter_home_page_with_relative_links.html");
		}

		public void testModifySamplerWithBaseHRef() throws Exception {
			testProcessingHTMLFile("/testfiles/jmeter_home_page_with_base_href.html");
		}

        public void testSimpleParse() throws Exception {
            HTTPSamplerBase config = makeUrlConfig(".*/index\\.html");
            HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<a href=\"index.html\">Goto index page</a></body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            jmctx.setCurrentSampler(context);
            jmctx.setCurrentSampler(config);
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setSamplerData(context.toString());
            result.setURL(context.getUrl());
            jmctx.setPreviousResult(result);
            parser.process();
            assertEquals("http://www.apache.org/subdir/index.html", config.getUrl().toString());
        }
        
        // Test https works too
        public void testSimpleParse1() throws Exception {
            HTTPSamplerBase config = makeUrlConfig(".*/index\\.html");
            config.setProtocol(HTTPSamplerBase.PROTOCOL_HTTPS);
            config.setPort(HTTPSamplerBase.DEFAULT_HTTPS_PORT);
            HTTPSamplerBase context = makeContext("https://www.apache.org/subdir/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<a href=\"index.html\">Goto index page</a></body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            jmctx.setCurrentSampler(context);
            jmctx.setCurrentSampler(config);
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setSamplerData(context.toString());
            result.setURL(context.getUrl());
            jmctx.setPreviousResult(result);
            parser.process();
            assertEquals("https://www.apache.org/subdir/index.html", config.getUrl().toString());
        }

        public void testSimpleParse2() throws Exception {
            HTTPSamplerBase config = makeUrlConfig("/index\\.html");
            HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<a href=\"/index.html\">Goto index page</a>" + "hfdfjiudfjdfjkjfkdjf"
                    + "<b>bold text</b><a href=lowerdir/index.html>lower</a>" + "</body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setURL(context.getUrl());
            jmctx.setCurrentSampler(context);
            jmctx.setCurrentSampler(config);
            jmctx.setPreviousResult(result);
            parser.process();
            String newUrl = config.getUrl().toString();
            assertTrue("http://www.apache.org/index.html".equals(newUrl)
                    || "http://www.apache.org/subdir/lowerdir/index.html".equals(newUrl));
        }

        public void testSimpleParse3() throws Exception {
            HTTPSamplerBase config = makeUrlConfig(".*index.*");
            config.getArguments().addArgument("param1", "value1");
            HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<a href=\"/home/index.html?param1=value1\">" + "Goto index page</a></body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setURL(context.getUrl());
            jmctx.setCurrentSampler(context);
            jmctx.setCurrentSampler(config);
            jmctx.setPreviousResult(result);
            parser.process();
            String newUrl = config.getUrl().toString();
            assertEquals("http://www.apache.org/home/index.html?param1=value1", newUrl);
        }

        public void testSimpleParse4() throws Exception {
            HTTPSamplerBase config = makeUrlConfig("/subdir/index\\..*");
            HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<A HREF=\"index.html\">Goto index page</A></body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setURL(context.getUrl());
            jmctx.setCurrentSampler(context);
            jmctx.setCurrentSampler(config);
            jmctx.setPreviousResult(result);
            parser.process();
            String newUrl = config.getUrl().toString();
            assertEquals("http://www.apache.org/subdir/index.html", newUrl);
        }

        public void testSimpleParse5() throws Exception {
            HTTPSamplerBase config = makeUrlConfig("/subdir/index\\.h.*");
            HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/one/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<a href=\"../index.html\">Goto index page</a></body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setURL(context.getUrl());
            jmctx.setCurrentSampler(context);
            jmctx.setCurrentSampler(config);
            jmctx.setPreviousResult(result);
            parser.process();
            String newUrl = config.getUrl().toString();
            assertEquals("http://www.apache.org/subdir/index.html", newUrl);
        }

        public void testFailSimpleParse1() throws Exception {
            HTTPSamplerBase config = makeUrlConfig(".*index.*?param2=.+1");
            HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<a href=\"/home/index.html?param1=value1\">" + "Goto index page</a></body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            String newUrl = config.getUrl().toString();
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setURL(context.getUrl());
            jmctx.setCurrentSampler(context);
            jmctx.setCurrentSampler(config);
            jmctx.setPreviousResult(result);
            parser.process();
            assertEquals(newUrl, config.getUrl().toString());
        }

        public void testFailSimpleParse3() throws Exception {
            HTTPSamplerBase config = makeUrlConfig("/home/index.html");
            HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<a href=\"/home/index.html?param1=value1\">" + "Goto index page</a></body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            String newUrl = config.getUrl().toString();
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setURL(context.getUrl());
            jmctx.setCurrentSampler(context);
            jmctx.setCurrentSampler(config);
            jmctx.setPreviousResult(result);
            parser.process();
            assertEquals(newUrl + "?param1=value1", config.getUrl().toString());
        }

        public void testFailSimpleParse2() throws Exception {
            HTTPSamplerBase config = makeUrlConfig(".*login\\.html");
            HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<a href=\"/home/index.html?param1=value1\">" + "Goto index page</a></body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setURL(context.getUrl());
            jmctx.setCurrentSampler(context);
            jmctx.setPreviousResult(result);
            parser.process();
            String newUrl = config.getUrl().toString();
            assertTrue(!"http://www.apache.org/home/index.html?param1=value1".equals(newUrl));
            assertEquals(config.getUrl().toString(), newUrl);
        }

        public void testSimpleFormParse() throws Exception {
            HTTPSamplerBase config = makeUrlConfig(".*index.html");
            config.addArgument("test", "g.*");
            config.setMethod(HTTPSamplerBase.POST);
            HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<form action=\"index.html\" method=\"POST\">" + "<input type=\"checkbox\" name=\"test\""
                    + " value=\"goto\">Goto index page</form></body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setURL(context.getUrl());
            jmctx.setCurrentSampler(context);
            jmctx.setCurrentSampler(config);
            jmctx.setPreviousResult(result);
            parser.process();
            assertEquals("http://www.apache.org/subdir/index.html", config.getUrl().toString());
            assertEquals("test=goto", config.getQueryString());
        }

        public void testBadCharParse() throws Exception {
            HTTPSamplerBase config = makeUrlConfig(".*index.html");
            config.addArgument("te$st", "g.*");
            config.setMethod(HTTPSamplerBase.POST);
            HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/previous.html");
            String responseText = "<html><head><title>Test page</title></head><body>"
                    + "<form action=\"index.html\" method=\"POST\">" + "<input type=\"checkbox\" name=\"te$st\""
                    + " value=\"goto\">Goto index page</form></body></html>";
            HTTPSampleResult result = new HTTPSampleResult();
            result.setResponseData(responseText.getBytes());
            result.setSampleLabel(context.toString());
            result.setURL(context.getUrl());
            jmctx.setCurrentSampler(context);
            jmctx.setCurrentSampler(config);
            jmctx.setPreviousResult(result);
            parser.process();
            assertEquals("http://www.apache.org/subdir/index.html", config.getUrl().toString());
            assertEquals("te%24st=goto", config.getQueryString());
        }

        public void testSpecialCharParse() throws Exception {
        String specialChars = "-_.!~*'()%25";// These are some of the special characters
        String htmlEncodedFixture = URLEncoder.encode(specialChars, "UTF-8");
        
        HTTPSamplerBase config = makeUrlConfig(".*index.html");
        config.addArgument("test", ".*");
        config.setMethod(HTTPSamplerBase.POST);
        HTTPSamplerBase context = makeContext("http://www.apache.org/subdir/previous.html");
        String responseText = "<html><head><title>Test page</title></head><body>"
            + "<form action=\"index.html\" method=\"POST\">" + "<input type=\"hidden\" name=\"test\""
            + " value=\"" + htmlEncodedFixture + "\">Goto index page</form></body></html>";
        
        HTTPSampleResult result = new HTTPSampleResult();
        result.setResponseData(responseText.getBytes());
        result.setSampleLabel(context.toString());
        result.setURL(context.getUrl());
        jmctx.setCurrentSampler(context);
        jmctx.setCurrentSampler(config);
        jmctx.setPreviousResult(result);
        parser.process();
        assertEquals("http://www.apache.org/subdir/index.html", config.getUrl().toString());
        assertEquals("test=" + htmlEncodedFixture, config.getQueryString());
      }

        
        private HTTPSamplerBase makeContext(String url) throws MalformedURLException {
            URL u = new URL(url);
            HTTPSamplerBase context = new HTTPNullSampler();
            context.setDomain(u.getHost());
            context.setPath(u.getPath());
            context.setPort(u.getPort());
            context.setProtocol(u.getProtocol());
            context.parseArguments(u.getQuery());
            return context;
        }

        private HTTPSamplerBase makeUrlConfig(String path) {
            HTTPSamplerBase config = new HTTPNullSampler();
            config.setDomain("www.apache.org");
            config.setMethod(HTTPSamplerBase.GET);
            config.setPath(path);
            config.setPort(HTTPSamplerBase.DEFAULT_HTTP_PORT);
            config.setProtocol(HTTPSamplerBase.PROTOCOL_HTTP);
            return config;
        }
}
