Index: TestHarness4LAMS2/src/org/lamsfoundation/testharness/learner/MockLearner.java =================================================================== diff -u -r223b1fe77f52b74936fa83484fb60fa7578c6d89 -ra0320c0d61e923f32fcdbd917a51e7b0ed7dbc64 --- TestHarness4LAMS2/src/org/lamsfoundation/testharness/learner/MockLearner.java (.../MockLearner.java) (revision 223b1fe77f52b74936fa83484fb60fa7578c6d89) +++ TestHarness4LAMS2/src/org/lamsfoundation/testharness/learner/MockLearner.java (.../MockLearner.java) (revision a0320c0d61e923f32fcdbd917a51e7b0ed7dbc64) @@ -1,531 +1,554 @@ -/**************************************************************** - * Copyright (C) 2006 LAMS Foundation (http://lamsfoundation.org) - * ============================================================= - * License Information: http://lamsfoundation.org/licensing/lams/2.0/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2.0 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 - * USA - * - * http://www.gnu.org/licenses/gpl.txt - * **************************************************************** - */ -package org.lamsfoundation.testharness.learner; - -import java.io.File; -import java.io.IOException; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.Hashtable; -import java.util.List; -import java.util.Map; - -import org.apache.log4j.Logger; -import org.lamsfoundation.testharness.Call; -import org.lamsfoundation.testharness.MockUser; -import org.lamsfoundation.testharness.TestHarnessException; -import org.lamsfoundation.testharness.TestUtil; -import org.xml.sax.SAXException; - -import com.allaire.wddx.WddxDeserializationException; -import com.meterware.httpunit.Button; -import com.meterware.httpunit.WebForm; -import com.meterware.httpunit.WebLink; -import com.meterware.httpunit.WebResponse; - -/** - * @version - * - *

- * View Source - *

- * - * @author Fei Yang - */ -public class MockLearner extends MockUser implements Runnable { - - private static final Logger log = Logger.getLogger(MockLearner.class); - - public static final String DEFAULT_NAME = "Learner"; - - private static final String ARBITRARY_TEXT_ALPHABET = "`1234567890-=qwertyuiop[]\\asdfghjkl;'\tzxcvbnm,./ ~!@#$%^&*()_+}{POIUYTREWQASDFGHJKL:\"?> - *
  • fetch entry url
    • - *
  • get passon.swf url and the next activity url
    • - *
  • fetch the next activity url and get activity page with form
    • - *
  • fill the form and submit it - *
  • - *
  • repeat step 2-4 until lesson completed or error happened
    • - * - * - * Note: httpunit will automatically redirect url if there is a redirect - * http header in response. In this case, the redirect url won't be recorded - * in access log or testharness log. - * - * @param lessonEntryURL - * @param lsId - * @return void - * @throws IOException - * @throws SAXException - */ - private void progressThroughActivities(String lessonEntryURL, String lsId) throws SAXException, IOException { - delay(); - WebResponse resp = (WebResponse) new Call(wc, test, username + " enters lesson", lessonEntryURL.replace(LESSON_ID_PATTERN, lsId)).execute(); - String[] nextURLs = parseOutNextURLs(resp); - boolean lessonFinished = false; - while (!lessonFinished) { - if ((nextURLs[0] != null) && (nextURLs[1]!=null)) { - new Call(wc, test, username + " requests flash", nextURLs[0]).execute(); - resp = takeActivity(nextURLs[1]); - nextURLs = parseOutNextURLs(resp); - }else if ((nextURLs[0]==null) && (nextURLs[1]!=null)){ - log.debug("It's a bit wierd! passon.swf url was not found while tool url found!"); - log.debug(resp.getText()); - }else if ((nextURLs[0]==null) && (nextURLs[1]==null)){ - log.debug("Neither passon.swf or tool url was found. "+username + " may have got an error!"); - log.debug(resp.getText()); - }else{//(nextURLs[0] != null) && (nextURLs[1]==null) - if(isOptionalActivity(resp)){ - resp = handleActivity(resp); - nextURLs = parseOutNextURLs(resp); - }else{ - new Call(wc, test, username + " requests flash", nextURLs[0]).execute(); - lessonFinished = true; - } - } - - } - } - - private boolean isOptionalActivity(WebResponse resp) throws IOException { - return resp.getText().indexOf(OPTIONAL_ACTIVITY_FLAG)!=-1; - } - - - /** - * Retrieve the toolURL and play with it - * - * @param toolURL - * @return WebResponse - */ - private WebResponse takeActivity(String toolURL) { - try { - WebResponse resp = (WebResponse) new Call(wc, test, "", toolURL).execute(); - delay(); - return handleActivity(resp); - } catch (Exception e) { - throw new TestHarnessException(e.getMessage(), e); - } - } - - private WebResponse handleActivity(WebResponse resp) throws SAXException, IOException { - if (resp.getFrameNames().length == 2) { - return handleParallelActivity(resp); - } - - if ( resp.getText().indexOf("/lams/tool/laqa11/learning.do") != -1 ) - log.debug(resp.getText()); - - WebResponse nextResp; - WebForm[] forms = resp.getForms(); - if ((forms != null) && (forms.length > 0)) { - log.debug("There "+(forms.length==1? "is ":"are ")+forms.length+(forms.length==1? " form in the page ":" forms in the page")); - nextResp = handlePageWithForms(forms); - } else { - nextResp = handlePageWithoutForms(resp); - } - if (isActivityFinished(nextResp)) - return nextResp; - else - return handleActivity(nextResp); - - } - - private boolean isActivityFinished(WebResponse resp) throws IOException { - return resp != null && resp.getText().indexOf(ACTIVITY_FINISHED_FLAG) != -1; - } - - private WebResponse handlePageWithoutForms(WebResponse resp) throws SAXException, IOException { - - String asText = resp.getText(); - - // Is this a Forum activity? - if ( asText.indexOf(FORUM_FINISH_SUBSTRING) != -1 ) - return handleForum(resp); - - else if ( asText.indexOf(LOAD_TOOL_ACTIVITY_SUBSTRING) != -1 ) - return handleLoadToolActivity(asText); - - else - return findAnAbsoluteURLOnPage(asText); - - - } - - private WebResponse handleLoadToolActivity(String asText) throws SAXException, IOException { - - String toolURL = TestUtil.extractString(asText, NEXT_URL_START_FLAG, NEXT_URL_END_FLAG); - return (WebResponse) new Call(wc, test, "Redirect to tool page", toolURL).execute(); - } - - private WebResponse findAnAbsoluteURLOnPage(String respAsText) throws SAXException, IOException { - // Probably safest to get the last http address on the page, make sure we don't accidently - // go to http://www.w3c.org/ - int index = respAsText.lastIndexOf("\"http"); - while ( index != -1) { - int indexEnd = respAsText.indexOf("\"",index+1); - if ( indexEnd != -1 ) { - String httpString = respAsText.substring(index+1, indexEnd); - if ( httpString.indexOf("www.w3.org") == -1 && ! httpString.endsWith(".js") && ! httpString.endsWith(".css")) { - log.debug("Forwarding to discovered link "+httpString); - return (WebResponse) new Call(wc, test, "", httpString).execute(); - } - } - index = index > 0 ? respAsText.lastIndexOf("\"http",index-1) : -1; - } - throw new TestHarnessException("Unable to find a link to go to on page"+respAsText); - } - - private WebResponse handleForum(WebResponse resp) throws SAXException, IOException { - - WebResponse replyResponse = null; - - String replyURL = findURLInAHREF(resp,FORUM_VIEW_TOPIC_SUBSTRING); - if ( replyURL != null ) { - log.debug("Accessing the forum view topic screen using "+replyURL); - replyResponse = handleForumReply(replyURL); - } - - if ( replyResponse == null ) { - throw new TestHarnessException("No links found on the main forum page, or unable to do reply. "+resp.getText()); - } - - String finishURL = findURLInLocationHref(replyResponse, FORUM_FINISH_SUBSTRING); - if ( finishURL != null ) { - log.debug("Ending forum using url "+finishURL); - return (WebResponse) new Call(wc, test, "Finish Forum", finishURL).execute(); - } - - throw new TestHarnessException("Unable to finish the forum. No finish link found. "+replyResponse.getText()); - } - - /** - * @param link - * @return - * @throws SAXException - * @throws IOException - */ - private WebResponse handleForumReply(String url) throws SAXException, IOException { - WebResponse resp= (WebResponse) new Call(wc, test, "View Topic Forum", url).execute(); - String replyURL = findURLInAHREF(resp,FORUM_REPLY_SUBSTRING); - if ( replyURL != null ) { - resp = (WebResponse) new Call(wc, test, "Reply Topic Forum", replyURL).execute(); - WebForm[] forms = resp.getForms(); - if ((forms != null) && (forms.length > 0)) { - resp = handlePageWithForms(forms); - } else { - throw new TestHarnessException("No form found on the reply topic page - unable to do reply. "+resp.getText()); - } - } else { - throw new TestHarnessException("No reply URL found - unable to do reply. "+resp.getText()); - // log.info("No reply URL found - unable to do reply. "+resp.getText()); - } - - // now we are back on the topic page, so go back to the main forum page. - String returnToForumURL = findURLInLocationHref(resp, FORUM_VIEW_FORUM_SUBSTRING); - if ( returnToForumURL != null ) { - log.debug("Returning to forum page "+returnToForumURL); - return (WebResponse) new Call(wc, test, "Return to Forum", returnToForumURL).execute(); - } - throw new TestHarnessException("No button back to forum page found - stuck while doing reply. "+resp.getText()); - } - - - private String findURLInAHREF(WebResponse resp, String linkSubstring) throws SAXException { - WebLink[] links = resp.getLinks(); - if ( links != null ) { - for ( WebLink link: links) { - log.debug("Checking link "+link.getURLString()); - if ( link.getURLString().indexOf(linkSubstring) != -1 ) - return link.getURLString(); - } - } - return null; - } - - private String findURLInLocationHref(WebResponse resp, String linkSubstring) throws SAXException, IOException { - String respAsText = resp.getText(); - String lowercaseRespAsText = respAsText.toLowerCase(); - int stringLength = lowercaseRespAsText.length(); - - int index = lowercaseRespAsText.indexOf("location.href"); - while ( index != -1) { - index++; - while ( index < stringLength && ! ( lowercaseRespAsText.charAt(index) == '\'' || lowercaseRespAsText.charAt(index) == '\"') ) { - index++; - } - if ( index < stringLength - 1 ) { - char quote = lowercaseRespAsText.charAt(index); - int indexEnd = lowercaseRespAsText.indexOf(quote,index+1); - String httpString = respAsText.substring(index+1, indexEnd); - log.debug("Discovered link "+httpString); - if ( httpString.indexOf(linkSubstring) != -1 ) { - log.debug("Matched to "+linkSubstring); - return httpString; - } - } - log.debug("Index was "+index); - index = index < stringLength && index > 0 ? lowercaseRespAsText.indexOf("location.href",index+1) : -1; - log.debug("New index is "+index); - } - return null; - } - - private WebResponse handleParallelActivity(WebResponse resp) { - // TODO implement me - throw new TestHarnessException("Unable to handle parallel activities."); - } - - private WebResponse handlePageWithForms(WebForm[] forms) throws IOException, SAXException { - int index = 0; - WebForm form = forms[index]; - while((form.getAction() == null)||(form.getAction().trim().length()==0)){ - index++; - if(index >= forms.length){ - throw new TestHarnessException(username+" don't know how to finish the activity now"); - } - form = forms[index]; - } - return (WebResponse) new Call(wc, test, "", fillFormArbitrarily(form)).execute(); - } - - private String getLesson(String getLessonURL, String lsId) throws WddxDeserializationException, IOException { - delay(); - String url = getLessonURL.replace(LESSON_ID_PATTERN, lsId); - WebResponse resp = (WebResponse) new Call(wc, test, username + " get lesson", url).execute(); - Hashtable hashtable = (Hashtable) TestUtil.deserialize(resp.getText()); - hashtable = (Hashtable) hashtable.get(MESSAGE_VALUE_KEY); - return new Integer(((Double) hashtable.get(LD_ID_KEY)).intValue()).toString(); - } - - private void getLearningDesign(String getLearningDesignURL, String ldId) { - delay(); - String url = getLearningDesignURL.replace(LD_ID_PATTERN, ldId); - new Call(wc, test, username + " get learning design", url).execute(); - } - - private void joinLesson(String joinLessonURL, String lsId) { - delay(); - String url = joinLessonURL.replace(LESSON_ID_PATTERN, lsId); - new Call(wc, test, username + " join lesson", url).execute(); - } - - private void getFlashProgessData(String getFlashProgressDataURL, String lsId) { - delay(); - String url = getFlashProgressDataURL.replace(LESSON_ID_PATTERN, lsId); - new Call(wc, test, username + " get flash progress data", url).execute(); - } - - private String[] parseOutNextURLs(WebResponse resp) throws SAXException, IOException { - String text = resp.getText(); - String passonSwfURL = TestUtil.extractString(text, SWF_URL_START_FLAG, SWF_URL_END_FLAG); - String toolURL = TestUtil.extractString(text, NEXT_URL_START_FLAG, NEXT_URL_END_FLAG); - - if (passonSwfURL != null) - passonSwfURL = ((LearnerTest) test).subContextRoot + passonSwfURL; - - if ((toolURL != null) && !toolURL.startsWith("/")) - toolURL = '/' + toolURL; - - log.debug("passonSwfURL:"+passonSwfURL); - log.debug("toolURL:"+toolURL); - return new String[] { passonSwfURL, toolURL }; - } - - private WebForm fillFormArbitrarily(WebForm form) throws IOException, SAXException { - String[] params = form.getParameterNames(); - if ((params != null) && (params.length > 0)) { - for (String param : params) { - if (!form.isDisabledParameter(param) && !form.isHiddenParameter(param) && !form.isReadOnlyParameter(param)) { - if (form.isTextParameter(param)) { - String text = composeArbitraryText(); - form.setParameter(param, text); - log.debug(username+ " input " + text + " for form field " + param); - } else if (form.isFileParameter(param)) { - File file = selectArbitraryFile(((LearnerTest) test).getFilesToUpload()); - form.setParameter(param, file); - log.debug(username + " uploaded file "+ file.getName()+" for form field "+param); - } else if (form.isMultiValuedParameter(param)) { - String[] values = chooseArbitraryValues(form.getOptionValues(param)); - form.setParameter(param, values); - log.debug(username+" set " + values.length + " value(s) for form field " + param); - log.debug(values); - } else { - log.debug(param+" may be a radio button. Current value is "+form.getParameterValue(param)); - if ( form.getParameterValue(param) == null ) { - String[] candidateValues = form.getOptionValues(param); - if ( candidateValues != null && candidateValues.length > 0 ) { - String value = candidateValues[TestUtil.generateRandomIndex(candidateValues.length)]; - log.debug("Setting param to "+value); - form.setParameter(param, value); - } - } - } - }else{ - log.debug("disabled or hidden or readonly parameter "+param); - } - } - } - - Map> buttonGroups = groupButtonsByName(form.getButtons(), Button.RADIO_BUTTON_TYPE); - for (Map.Entry> entry : buttonGroups.entrySet()){ - entry.getValue().get(TestUtil.generateRandomIndex(entry.getValue().size())).click(); - log.debug(username+" clicked a radio button "+entry.getKey()); - } - return form; - } - - private String processButtons(Button[] buttons) { - StringBuffer buf = new StringBuffer(100); - for ( Button button : buttons ) { - buf.append(button.toString()); - buf.append("; "); - } - return buf.toString(); - } - - private Map> groupButtonsByName(Button[] btns, String buttonType ){ - log.debug(btns.length); - Map> buttonGroups = new HashMap>(); - if (btns!=null) { - for (Button btn : btns){ - if(buttonType.equals(btn.getType())){ - String name = btn.getName(); - log.debug("Got "+buttonType+" "+name+" and its value is "+btn.getValue()); - if(!buttonGroups.containsKey(name)){ - buttonGroups.get(name).add(btn); - }else{ - List