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DBLogTestCase

  1. drupal
    1. 7 drupal/modules/dblog/dblog.test

Hierarchy

Properties

NameDescription
DBLogTestCase::$any_user
DBLogTestCase::$big_user
DrupalTestCase::$assertionsAssertions thrown in that test case.
DrupalTestCase::$databasePrefixThe database prefix of this test run.
DrupalTestCase::$originalFileDirectoryThe original file directory, before it was changed for testing purposes.
DrupalTestCase::$resultsCurrent results of this test case.
DrupalTestCase::$skipClassesThis class is skipped when looking for the source of an assertion.
DrupalTestCase::$testIdThe test run ID.
DrupalTestCase::$timeLimitTime limit for the test.
DrupalWebTestCase::$additionalCurlOptionsAdditional cURL options.
DrupalWebTestCase::$contentThe content of the page currently loaded in the internal browser.
DrupalWebTestCase::$cookieFileThe current cookie file used by cURL.
DrupalWebTestCase::$curlHandleThe handle of the current cURL connection.
DrupalWebTestCase::$drupalSettingsThe value of the Drupal.settings JavaScript variable for the page currently loaded in the internal browser.
DrupalWebTestCase::$elementsThe parsed version of the page.
DrupalWebTestCase::$generatedTestFilesWhether the files were copied to the test files directory.
DrupalWebTestCase::$headersThe headers of the page currently loaded in the internal browser.
DrupalWebTestCase::$httpauth_credentialsHTTP authentication credentials (<username>:<password>).
DrupalWebTestCase::$httpauth_methodHTTP authentication method
DrupalWebTestCase::$loggedInUserThe current user logged in using the internal browser.
DrupalWebTestCase::$originalShutdownCallbacksThe original shutdown handlers array, before it was cleaned for testing purposes.
DrupalWebTestCase::$originalUserThe original user, before it was changed to a clean uid = 1 for testing purposes.
DrupalWebTestCase::$plainTextContentThe content of the page currently loaded in the internal browser (plain text version).
DrupalWebTestCase::$profileThe profile to install as a basis for testing.
DrupalWebTestCase::$redirect_countThe number of redirects followed during the handling of a request.
DrupalWebTestCase::$session_idThe current session ID, if available.
DrupalWebTestCase::$session_nameThe current session name, if available.
DrupalWebTestCase::$urlThe URL currently loaded in the internal browser.

Functions & methods

NameDescription
DBLogTestCase::assertLogMessageAssert messages appear on the log overview screen.
DBLogTestCase::asTextExtract the text contained by the element.
DBLogTestCase::doNodeGenerate and verify node events.
DBLogTestCase::doUserGenerate and verify user events.
DBLogTestCase::generateLogEntriesGenerate dblog entries.
DBLogTestCase::getContentCreate content based on content type.
DBLogTestCase::getContentUpdateCreate content update based on content type.
DBLogTestCase::getInfo
DBLogTestCase::getLogEntriesGet the log entry information form the page.
DBLogTestCase::getSeverityConstantGet the watchdog severity constant corresponding to the CSS class.
DBLogTestCase::getTypeCountGet the count of entries per type.
DBLogTestCase::setUpEnable modules and create users with specific permissions. Overrides DrupalWebTestCase::setUp
DBLogTestCase::testDBLogLogin users, create dblog events, and test dblog functionality through the admin and user interfaces.
DBLogTestCase::testDBLogAddAndClearLogin an admin user, create dblog event, and test clearing dblog functionality through the admin interface.
DBLogTestCase::testFilterTest the dblog filter on admin/reports/dblog.
DBLogTestCase::verifyCronVerify cron applies the dblog row limit.
DBLogTestCase::verifyEventsVerify events.
DBLogTestCase::verifyReportsVerify the logged in user has the desired access to the various dblog nodes.
DBLogTestCase::verifyRowLimitVerify setting of the dblog row limit.
DrupalTestCase::assertInternal helper: stores the assert.
DrupalTestCase::assertEqualCheck to see if two values are equal.
DrupalTestCase::assertFalseCheck to see if a value is false (an empty string, 0, NULL, or FALSE).
DrupalTestCase::assertIdenticalCheck to see if two values are identical.
DrupalTestCase::assertNotEqualCheck to see if two values are not equal.
DrupalTestCase::assertNotIdenticalCheck to see if two values are not identical.
DrupalTestCase::assertNotNullCheck to see if a value is not NULL.
DrupalTestCase::assertNullCheck to see if a value is NULL.
DrupalTestCase::assertTrueCheck to see if a value is not false (not an empty string, 0, NULL, or FALSE).
DrupalTestCase::deleteAssertDelete an assertion record by message ID.
DrupalTestCase::errorFire an error assertion.
DrupalTestCase::errorHandlerHandle errors during test runs.
DrupalTestCase::exceptionHandlerHandle exceptions.
DrupalTestCase::failFire an assertion that is always negative.
DrupalTestCase::generatePermutationsConverts a list of possible parameters into a stack of permutations.
DrupalTestCase::getAssertionCallCycles through backtrace until the first non-assertion method is found.
DrupalTestCase::insertAssertStore an assertion from outside the testing context.
DrupalTestCase::passFire an assertion that is always positive.
DrupalTestCase::randomNameGenerates a random string containing letters and numbers.
DrupalTestCase::randomStringGenerates a random string of ASCII characters of codes 32 to 126.
DrupalTestCase::runRun all tests in this class.
DrupalTestCase::verboseLogs verbose message in a text file.
DrupalWebTestCase::assertFieldAsserts that a field exists with the given name or id.
DrupalWebTestCase::assertFieldByIdAsserts that a field exists in the current page with the given id and value.
DrupalWebTestCase::assertFieldByNameAsserts that a field exists in the current page with the given name and value.
DrupalWebTestCase::assertFieldByXPathAsserts that a field exists in the current page by the given XPath.
DrupalWebTestCase::assertFieldCheckedAsserts that a checkbox field in the current page is checked.
DrupalWebTestCase::assertLinkPass if a link with the specified label is found, and optional with the specified index.
DrupalWebTestCase::assertLinkByHrefPass if a link containing a given href (part) is found.
DrupalWebTestCase::assertMailAsserts that the most recently sent e-mail message has the given value.
DrupalWebTestCase::assertMailPatternAsserts that the most recently sent e-mail message has the pattern in it.
DrupalWebTestCase::assertMailStringAsserts that the most recently sent e-mail message has the string in it.
DrupalWebTestCase::assertNoDuplicateIdsAsserts that each HTML ID is used for just a single element.
DrupalWebTestCase::assertNoFieldAsserts that a field does not exist with the given name or id.
DrupalWebTestCase::assertNoFieldByIdAsserts that a field does not exist with the given id and value.
DrupalWebTestCase::assertNoFieldByNameAsserts that a field does not exist with the given name and value.
DrupalWebTestCase::assertNoFieldByXPathAsserts that a field does not exist in the current page by the given XPath.
DrupalWebTestCase::assertNoFieldCheckedAsserts that a checkbox field in the current page is not checked.
DrupalWebTestCase::assertNoLinkPass if a link with the specified label is not found.
DrupalWebTestCase::assertNoLinkByHrefPass if a link containing a given href (part) is not found.
DrupalWebTestCase::assertNoOptionSelectedAsserts that a select option in the current page is not checked.
DrupalWebTestCase::assertNoPatternWill trigger a pass if the perl regex pattern is not present in raw content.
DrupalWebTestCase::assertNoRawPass if the raw text is NOT found on the loaded page, fail otherwise. Raw text refers to the raw HTML that the page generated.
DrupalWebTestCase::assertNoResponseAsserts the page did not return the specified response code.
DrupalWebTestCase::assertNoTextPass if the text is NOT found on the text version of the page. The text version is the equivalent of what a user would see when viewing through a web browser. In other words the HTML has been filtered out of the contents.
DrupalWebTestCase::assertNoTitlePass if the page title is not the given string.
DrupalWebTestCase::assertNoUniqueTextPass if the text is found MORE THAN ONCE on the text version of the page.
DrupalWebTestCase::assertOptionSelectedAsserts that a select option in the current page is checked.
DrupalWebTestCase::assertPatternWill trigger a pass if the Perl regex pattern is found in the raw content.
DrupalWebTestCase::assertRawPass if the raw text IS found on the loaded page, fail otherwise. Raw text refers to the raw HTML that the page generated.
DrupalWebTestCase::assertResponseAsserts the page responds with the specified response code.
DrupalWebTestCase::assertTextPass if the text IS found on the text version of the page. The text version is the equivalent of what a user would see when viewing through a web browser. In other words the HTML has been filtered out of the contents.
DrupalWebTestCase::assertTextHelperHelper for assertText and assertNoText.
DrupalWebTestCase::assertTitlePass if the page title is the given string.
DrupalWebTestCase::assertUniqueTextPass if the text is found ONLY ONCE on the text version of the page.
DrupalWebTestCase::assertUniqueTextHelperHelper for assertUniqueText and assertNoUniqueText.
DrupalWebTestCase::assertUrlPass if the internal browser's URL matches the given path.
DrupalWebTestCase::buildXPathQueryBuilds an XPath query.
DrupalWebTestCase::checkForMetaRefreshCheck for meta refresh tag and if found call drupalGet() recursively. This function looks for the http-equiv attribute to be set to "Refresh" and is case-sensitive.
DrupalWebTestCase::checkPermissionsCheck to make sure that the array of permissions are valid.
DrupalWebTestCase::clickLinkFollows a link by name.
DrupalWebTestCase::constructFieldXpathHelper function: construct an XPath for the given set of attributes and value.
DrupalWebTestCase::cronRunRuns cron in the Drupal installed by Simpletest.
DrupalWebTestCase::curlCloseClose the cURL handler and unset the handler.
DrupalWebTestCase::curlExecInitializes and executes a cURL request.
DrupalWebTestCase::curlHeaderCallbackReads headers and registers errors received from the tested site.
DrupalWebTestCase::curlInitializeInitializes the cURL connection.
DrupalWebTestCase::drupalCompareFilesCompare two files based on size and file name.
DrupalWebTestCase::drupalCreateContentTypeCreates a custom content type based on default settings.
DrupalWebTestCase::drupalCreateNodeCreates a node based on default settings.
DrupalWebTestCase::drupalCreateRoleInternal helper function; Create a role with specified permissions.
DrupalWebTestCase::drupalCreateUserCreate a user with a given set of permissions. The permissions correspond to the names given on the privileges page.
DrupalWebTestCase::drupalGetRetrieves a Drupal path or an absolute path.
DrupalWebTestCase::drupalGetAJAXRetrieve a Drupal path or an absolute path and JSON decode the result.
DrupalWebTestCase::drupalGetContentGets the current raw HTML of requested page.
DrupalWebTestCase::drupalGetHeaderGets the value of an HTTP response header. If multiple requests were required to retrieve the page, only the headers from the last request will be checked by default. However, if TRUE is passed as the second argument, all requests will be processed…
DrupalWebTestCase::drupalGetHeadersGets the HTTP response headers of the requested page. Normally we are only interested in the headers returned by the last request. However, if a page is redirected or HTTP authentication is in use, multiple requests will be required to retrieve the…
DrupalWebTestCase::drupalGetMailsGets an array containing all e-mails sent during this test case.
DrupalWebTestCase::drupalGetNodeByTitleGet a node from the database based on its title.
DrupalWebTestCase::drupalGetSettingsGets the value of the Drupal.settings JavaScript variable for the currently loaded page.
DrupalWebTestCase::drupalGetTestFilesGet a list files that can be used in tests.
DrupalWebTestCase::drupalGetTokenGenerate a token for the currently logged in user.
DrupalWebTestCase::drupalHeadRetrieves only the headers for a Drupal path or an absolute path.
DrupalWebTestCase::drupalLoginLog in a user with the internal browser.
DrupalWebTestCase::drupalLogout
DrupalWebTestCase::drupalPostExecute a POST request on a Drupal page. It will be done as usual POST request with SimpleBrowser.
DrupalWebTestCase::drupalPostAJAXExecute an Ajax submission.
DrupalWebTestCase::drupalSetContentSets the raw HTML content. This can be useful when a page has been fetched outside of the internal browser and assertions need to be made on the returned page.
DrupalWebTestCase::drupalSetSettingsSets the value of the Drupal.settings JavaScript variable for the currently loaded page.
DrupalWebTestCase::getAbsoluteUrlTakes a path and returns an absolute path.
DrupalWebTestCase::getAllOptionsGet all option elements, including nested options, in a select.
DrupalWebTestCase::getSelectedItemGet the selected value from a select field.
DrupalWebTestCase::getUrlGet the current url from the cURL handler.
DrupalWebTestCase::handleFormHandle form input related to drupalPost(). Ensure that the specified fields exist and attempt to create POST data in the correct manner for the particular field type.
DrupalWebTestCase::parseParse content returned from curlExec using DOM and SimpleXML.
DrupalWebTestCase::preloadRegistryPreload the registry from the testing site.
DrupalWebTestCase::refreshVariablesRefresh the in-memory set of variables. Useful after a page request is made that changes a variable in a different thread.
DrupalWebTestCase::resetAllReset all data structures after having enabled new modules.
DrupalWebTestCase::tearDownDelete created files and temporary files directory, delete the tables created by setUp(), and reset the database prefix.
DrupalWebTestCase::verboseEmailOutputs to verbose the most recent $count emails sent.
DrupalWebTestCase::xpathPerform an xpath search on the contents of the internal browser. The search is relative to the root element (HTML tag normally) of the page.
DrupalWebTestCase::__constructConstructor for DrupalWebTestCase. Overrides DrupalTestCase::__construct

File

drupal/modules/dblog/dblog.test, line 8
Tests for dblog.module.

View source
class DBLogTestCase extends DrupalWebTestCase {
  protected $big_user;
  protected $any_user;

  public static function getInfo() {
    return array(
      'name' => 'DBLog functionality', 
      'description' => 'Generate events and verify dblog entries; verify user access to log reports based on persmissions.', 
      'group' => 'DBLog',
    );
  }

  /**
   * Enable modules and create users with specific permissions.
   */
  function setUp() {
    parent::setUp('dblog', 'blog', 'poll');
    // Create users.
    $this->big_user = $this->drupalCreateUser(array('administer site configuration', 'access administration pages', 'access site reports', 'administer users'));
    $this->any_user = $this->drupalCreateUser(array());
  }

  /**
   * Login users, create dblog events, and test dblog functionality through the admin and user interfaces.
   */
  function testDBLog() {
    // Login the admin user.
    $this->drupalLogin($this->big_user);

    $row_limit = 100;
    $this->verifyRowLimit($row_limit);
    $this->verifyCron($row_limit);
    $this->verifyEvents();
    $this->verifyReports();

    // Login the regular user.
    $this->drupalLogin($this->any_user);
    $this->verifyReports(403);
  }

  /**
   * Verify setting of the dblog row limit.
   *
   * @param integer $count Log row limit.
   */
  private function verifyRowLimit($row_limit) {
    // Change the dblog row limit.
    $edit = array();
    $edit['dblog_row_limit'] = $row_limit;
    $this->drupalPost('admin/config/development/logging', $edit, t('Save configuration'));
    $this->assertResponse(200);

    // Check row limit variable.
    $current_limit = variable_get('dblog_row_limit', 1000);
    $this->assertTrue($current_limit == $row_limit, t('[Cache] Row limit variable of @count equals row limit of @limit', array('@count' => $current_limit, '@limit' => $row_limit)));
    // Verify dblog row limit equals specified row limit.
    $current_limit = unserialize(db_query("SELECT value FROM {variable} WHERE name = :dblog_limit", array(':dblog_limit' => 'dblog_row_limit'))->fetchField());
    $this->assertTrue($current_limit == $row_limit, t('[Variable table] Row limit variable of @count equals row limit of @limit', array('@count' => $current_limit, '@limit' => $row_limit)));
  }

  /**
   * Verify cron applies the dblog row limit.
   *
   * @param integer $count Log row limit.
   */
  private function verifyCron($row_limit) {
    // Generate additional log entries.
    $this->generateLogEntries($row_limit + 10);
    // Verify dblog row count exceeds row limit.
    $count = db_query('SELECT COUNT(wid) FROM {watchdog}')->fetchField();
    $this->assertTrue($count > $row_limit, t('Dblog row count of @count exceeds row limit of @limit', array('@count' => $count, '@limit' => $row_limit)));

    // Run cron job.
    $this->cronRun();
    // Verify dblog row count equals row limit plus one because cron adds a record after it runs.
    $count = db_query('SELECT COUNT(wid) FROM {watchdog}')->fetchField();
    $this->assertTrue($count == $row_limit + 1, t('Dblog row count of @count equals row limit of @limit plus one', array('@count' => $count, '@limit' => $row_limit)));
  }

  /**
   * Generate dblog entries.
   *
   * @param integer $count
   *   Number of log entries to generate.
   * @param $type
   *   The type of watchdog entry.
   * @param $severity
   *   The severity of the watchdog entry.
   */
  private function generateLogEntries($count, $type = 'custom', $severity = WATCHDOG_NOTICE) {
    global $base_root;

    // Prepare the fields to be logged
    $log = array(
      'type' => $type, 
      'message' => 'Log entry added to test the dblog row limit.', 
      'variables' => array(), 
      'severity' => $severity, 
      'link' => NULL, 
      'user' => $this->big_user, 
      'request_uri' => $base_root . request_uri(), 
      'referer' => $_SERVER['HTTP_REFERER'], 
      'ip' => ip_address(), 
      'timestamp' => REQUEST_TIME,
    );
    $message = 'Log entry added to test the dblog row limit. Entry #';
    for ($i = 0; $i < $count; $i++) {
      $log['message'] = $message . $i;
      dblog_watchdog($log);
    }
  }

  /**
   * Verify the logged in user has the desired access to the various dblog nodes.
   *
   * @param integer $response HTTP response code.
   */
  private function verifyReports($response = 200) {
    $quote = '&#039;';

    // View dblog help node.
    $this->drupalGet('admin/help/dblog');
    $this->assertResponse($response);
    if ($response == 200) {
      $this->assertText(t('Database logging'), t('DBLog help was displayed'));
    }

    // View dblog report node.
    $this->drupalGet('admin/reports/dblog');
    $this->assertResponse($response);
    if ($response == 200) {
      $this->assertText(t('Recent log messages'), t('DBLog report was displayed'));
    }

    // View dblog page-not-found report node.
    $this->drupalGet('admin/reports/page-not-found');
    $this->assertResponse($response);
    if ($response == 200) {
      $this->assertText(t('Top ' . $quote . 'page not found' . $quote . ' errors'), t('DBLog page-not-found report was displayed'));
    }

    // View dblog access-denied report node.
    $this->drupalGet('admin/reports/access-denied');
    $this->assertResponse($response);
    if ($response == 200) {
      $this->assertText(t('Top ' . $quote . 'access denied' . $quote . ' errors'), t('DBLog access-denied report was displayed'));
    }

    // View dblog event node.
    $this->drupalGet('admin/reports/event/1');
    $this->assertResponse($response);
    if ($response == 200) {
      $this->assertText(t('Details'), t('DBLog event node was displayed'));
    }
  }

  /**
   * Verify events.
   */
  private function verifyEvents() {
    // Invoke events.
    $this->doUser();
    $this->doNode('article');
    $this->doNode('blog');
    $this->doNode('page');
    $this->doNode('poll');

    // When a user account is canceled, any content they created remains but the
    // uid = 0. Their blog entry shows as "'s blog" on the home page. Records
    // in the watchdog table related to that user have the uid set to zero.
  }

  /**
   * Generate and verify user events.
   *
   */
  private function doUser() {
    // Set user variables.
    $name = $this->randomName();
    $pass = user_password();
    // Add user using form to generate add user event (which is not triggered by drupalCreateUser).
    $edit = array();
    $edit['name'] = $name;
    $edit['mail'] = $name . '@example.com';
    $edit['pass[pass1]'] = $pass;
    $edit['pass[pass2]'] = $pass;
    $edit['status'] = 1;
    $this->drupalPost('admin/people/create', $edit, t('Create new account'));
    $this->assertResponse(200);
    // Retrieve user object.
    $user = user_load_by_name($name);
    $this->assertTrue($user != NULL, t('User @name was loaded', array('@name' => $name)));
    $user->pass_raw = $pass; // Needed by drupalLogin.
    // Login user.
    $this->drupalLogin($user);
    // Logout user.
    $this->drupalLogout();
    // Fetch row ids in watchdog that relate to the user.
    $result = db_query('SELECT wid FROM {watchdog} WHERE uid = :uid', array(':uid' => $user->uid));
    foreach ($result as $row) {
      $ids[] = $row->wid;
    }
    $count_before = (isset($ids)) ? count($ids) : 0;
    $this->assertTrue($count_before > 0, t('DBLog contains @count records for @name', array('@count' => $count_before, '@name' => $user->name)));

    // Login the admin user.
    $this->drupalLogin($this->big_user);
    // Delete user.
    // We need to POST here to invoke batch_process() in the internal browser.
    $this->drupalPost('user/' . $user->uid . '/cancel', array('user_cancel_method' => 'user_cancel_reassign'), t('Cancel account'));

    // View the dblog report.
    $this->drupalGet('admin/reports/dblog');
    $this->assertResponse(200);

    // Verify events were recorded.
    // Add user.
    // Default display includes name and email address; if too long then email is replaced by three periods.
    $this->assertLogMessage(t('New user: %name (%email).', array('%name' => $name, '%email' => $user->mail)), t('DBLog event was recorded: [add user]'));
    // Login user.
    $this->assertLogMessage(t('Session opened for %name.', array('%name' => $name)), t('DBLog event was recorded: [login user]'));
    // Logout user.
    $this->assertLogMessage(t('Session closed for %name.', array('%name' => $name)), t('DBLog event was recorded: [logout user]'));
    // Delete user.
    $message = t('Deleted user: %name %email.', array('%name' => $name, '%email' => '<' . $user->mail . '>'));
    $message_text = truncate_utf8(filter_xss($message, array()), 56, TRUE, TRUE);
    // Verify full message on details page.
    $link = FALSE;
    if ($links = $this->xpath('//a[text()="' . html_entity_decode($message_text) . '"]')) {
      // Found link with the message text.
      $links = array_shift($links);
      foreach ($links->attributes() as $attr => $value) {
        if ($attr == 'href') {
          // Extract link to details page.
          $link = drupal_substr($value, strpos($value, 'admin/reports/event/'));
          $this->drupalGet($link);
          // Check for full message text on the details page.
          $this->assertRaw($message, t('DBLog event details was found: [delete user]'));
          break;
        }
      }
    }
    $this->assertTrue($link, t('DBLog event was recorded: [delete user]'));
    // Visit random URL (to generate page not found event).
    $not_found_url = $this->randomName(60);
    $this->drupalGet($not_found_url);
    $this->assertResponse(404);
    // View dblog page-not-found report page.
    $this->drupalGet('admin/reports/page-not-found');
    $this->assertResponse(200);
    // Check that full-length url displayed.
    $this->assertText($not_found_url, t('DBLog event was recorded: [page not found]'));
  }

  /**
   * Generate and verify node events.
   *
   * @param string $type Content type.
   */
  private function doNode($type) {
    // Create user.
    $perm = array('create ' . $type . ' content', 'edit own ' . $type . ' content', 'delete own ' . $type . ' content');
    $user = $this->drupalCreateUser($perm);
    // Login user.
    $this->drupalLogin($user);

    // Create node using form to generate add content event (which is not triggered by drupalCreateNode).
    $edit = $this->getContent($type);
    $langcode = LANGUAGE_NONE;
    $title = $edit["title"];
    $this->drupalPost('node/add/' . $type, $edit, t('Save'));
    $this->assertResponse(200);
    // Retrieve node object.
    $node = $this->drupalGetNodeByTitle($title);
    $this->assertTrue($node != NULL, t('Node @title was loaded', array('@title' => $title)));
    // Edit node.
    $edit = $this->getContentUpdate($type);
    $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));
    $this->assertResponse(200);
    // Delete node.
    $this->drupalPost('node/' . $node->nid . '/delete', array(), t('Delete'));
    $this->assertResponse(200);
    // View node (to generate page not found event).
    $this->drupalGet('node/' . $node->nid);
    $this->assertResponse(404);
    // View the dblog report (to generate access denied event).
    $this->drupalGet('admin/reports/dblog');
    $this->assertResponse(403);

    // Login the admin user.
    $this->drupalLogin($this->big_user);
    // View the dblog report.
    $this->drupalGet('admin/reports/dblog');
    $this->assertResponse(200);

    // Verify events were recorded.
    // Content added.
    $this->assertLogMessage(t('@type: added %title.', array('@type' => $type, '%title' => $title)), t('DBLog event was recorded: [content added]'));
    // Content updated.
    $this->assertLogMessage(t('@type: updated %title.', array('@type' => $type, '%title' => $title)), t('DBLog event was recorded: [content updated]'));
    // Content deleted.
    $this->assertLogMessage(t('@type: deleted %title.', array('@type' => $type, '%title' => $title)), t('DBLog event was recorded: [content deleted]'));

    // View dblog access-denied report node.
    $this->drupalGet('admin/reports/access-denied');
    $this->assertResponse(200);
    // Access denied.
    $this->assertText(t('admin/reports/dblog'), t('DBLog event was recorded: [access denied]'));

    // View dblog page-not-found report node.
    $this->drupalGet('admin/reports/page-not-found');
    $this->assertResponse(200);
    // Page not found.
    $this->assertText(t('node/@nid', array('@nid' => $node->nid)), t('DBLog event was recorded: [page not found]'));
  }

  /**
   * Create content based on content type.
   *
   * @param string $type Content type.
   * @return array Content.
   */
  private function getContent($type) {
    $langcode = LANGUAGE_NONE;
    switch ($type) {
      case 'poll':
        $content = array(
          "title" => $this->randomName(8), 
          'choice[new:0][chtext]' => $this->randomName(32), 
          'choice[new:1][chtext]' => $this->randomName(32),
        );
        break;

      default:
        $content = array(
          "title" => $this->randomName(8), 
          "body[$langcode][0][value]" => $this->randomName(32),
        );
        break;
    }
    return $content;
  }

  /**
   * Create content update based on content type.
   *
   * @param string $type Content type.
   * @return array Content.
   */
  private function getContentUpdate($type) {
    switch ($type) {
      case 'poll':
        $content = array(
          'choice[chid:1][chtext]' => $this->randomName(32), 
          'choice[chid:2][chtext]' => $this->randomName(32),
        );
        break;

      default:
        $langcode = LANGUAGE_NONE;
        $content = array(
          "body[$langcode][0][value]" => $this->randomName(32),
        );
        break;
    }
    return $content;
  }

  /**
   * Login an admin user, create dblog event, and test clearing dblog functionality through the admin interface.
   */
  protected function testDBLogAddAndClear() {
    global $base_root;
    // Get a count of how many watchdog entries there are.
    $count = db_query('SELECT COUNT(*) FROM {watchdog}')->fetchField();
    $log = array(
      'type' => 'custom', 
      'message' => 'Log entry added to test the doClearTest clear down.', 
      'variables' => array(), 
      'severity' => WATCHDOG_NOTICE, 
      'link' => NULL, 
      'user' => $this->big_user, 
      'request_uri' => $base_root . request_uri(), 
      'referer' => $_SERVER['HTTP_REFERER'], 
      'ip' => ip_address(), 
      'timestamp' => REQUEST_TIME,
    );
    // Add a watchdog entry.
    dblog_watchdog($log);
    // Make sure the table count has actually incremented.
    $this->assertEqual($count + 1, db_query('SELECT COUNT(*) FROM {watchdog}')->fetchField(), t('dblog_watchdog() added an entry to the dblog :count', array(':count' => $count)));
    // Login the admin user.
    $this->drupalLogin($this->big_user);
    // Now post to clear the db table.
    $this->drupalPost('admin/reports/dblog', array(), t('Clear log messages'));
    // Count rows in watchdog that previously related to the deleted user.
    $count = db_query('SELECT COUNT(*) FROM {watchdog}')->fetchField();
    $this->assertEqual($count, 0, t('DBLog contains :count records after a clear.', array(':count' => $count)));
  }

  /**
   * Test the dblog filter on admin/reports/dblog.
   */
  protected function testFilter() {
    $this->drupalLogin($this->big_user);

    // Clear log to ensure that only generated entries are found.
    db_delete('watchdog')->execute();

    // Generate watchdog entries.
    $type_names = array();
    $types = array();
    for ($i = 0; $i < 3; $i++) {
      $type_names[] = $type_name = $this->randomName();
      $severity = WATCHDOG_EMERGENCY;
      for ($j = 0; $j < 3; $j++) {
        $types[] = $type = array(
          'count' => mt_rand(1, 5), 
          'type' => $type_name, 
          'severity' => $severity++,
        );
        $this->generateLogEntries($type['count'], $type['type'], $type['severity']);
      }
    }

    // View the dblog.
    $this->drupalGet('admin/reports/dblog');

    // Confirm all the entries are displayed.
    $count = $this->getTypeCount($types);
    foreach ($types as $key => $type) {
      $this->assertEqual($count[$key], $type['count'], 'Count matched');
    }

    // Filter by each type and confirm that entries with various severities are
    // displayed.
    foreach ($type_names as $type_name) {
      $edit = array(
        'type[]' => array($type_name),
      );
      $this->drupalPost(NULL, $edit, t('Filter'));

      // Count the number of entries of this type.
      $type_count = 0;
      foreach ($types as $type) {
        if ($type['type'] == $type_name) {
          $type_count += $type['count'];
        }
      }

      $count = $this->getTypeCount($types);
      $this->assertEqual(array_sum($count), $type_count, 'Count matched');
    }

    // Set filter to match each of the three type attributes and confirm the
    // number of entries displayed.
    foreach ($types as $key => $type) {
      $edit = array(
        'type[]' => array($type['type']), 
        'severity[]' => array($type['severity']),
      );
      $this->drupalPost(NULL, $edit, t('Filter'));

      $count = $this->getTypeCount($types);
      $this->assertEqual(array_sum($count), $type['count'], 'Count matched');
    }

    // Clear all logs and make sure the confirmation message is found.
    $this->drupalPost('admin/reports/dblog', array(), t('Clear log messages'));
    $this->assertText(t('Database log cleared.'), t('Confirmation message found'));
  }

  /**
   * Get the log entry information form the page.
   *
   * @return
   *   List of entries and their information.
   */
  protected function getLogEntries() {
    $entries = array();
    if ($table = $this->xpath('.//table[@id="admin-dblog"]')) {
      $table = array_shift($table);
      foreach ($table->tbody->tr as $row) {
        $entries[] = array(
          'severity' => $this->getSeverityConstant($row['class']), 
          'type' => $this->asText($row->td[1]), 
          'message' => $this->asText($row->td[3]), 
          'user' => $this->asText($row->td[4]),
        );
      }
    }
    return $entries;
  }

  /**
   * Get the count of entries per type.
   *
   * @param $types
   *   The type information to compare against.
   * @return
   *   The count of each type keyed by the key of the $types array.
   */
  protected function getTypeCount(array $types) {
    $entries = $this->getLogEntries();
    $count = array_fill(0, count($types), 0);
    foreach ($entries as $entry) {
      foreach ($types as $key => $type) {
        if ($entry['type'] == $type['type'] && $entry['severity'] == $type['severity']) {
          $count[$key]++;
          break;
        }
      }
    }
    return $count;
  }

  /**
   * Get the watchdog severity constant corresponding to the CSS class.
   *
   * @param $class
   *   CSS class attribute.
   * @return
   *   The watchdog severity constant or NULL if not found.
   *
   * @ingroup logging_severity_levels
   */
  protected function getSeverityConstant($class) {
    // Reversed array from dblog_overview().
    $map = array(
      'dblog-debug' => WATCHDOG_DEBUG, 
      'dblog-info' => WATCHDOG_INFO, 
      'dblog-notice' => WATCHDOG_NOTICE, 
      'dblog-warning' => WATCHDOG_WARNING, 
      'dblog-error' => WATCHDOG_ERROR, 
      'dblog-critical' => WATCHDOG_CRITICAL, 
      'dblog-alert' => WATCHDOG_ALERT, 
      'dblog-emerg' => WATCHDOG_EMERGENCY,
    );

    // Find the class that contains the severity.
    $classes = explode(' ', $class);
    foreach ($classes as $class) {
      if (isset($map[$class])) {
        return $map[$class];
      }
    }
    return NULL;
  }

  /**
   * Extract the text contained by the element.
   *
   * @param $element
   *   Element to extract text from.
   * @return
   *   Extracted text.
   */
  protected function asText(SimpleXMLElement $element) {
    if (!is_object($element)) {
      return $this->fail('The element is not an element.');
    }
    return trim(html_entity_decode(strip_tags($element->asXML())));
  }

  /**
   * Assert messages appear on the log overview screen.
   *
   * This function should be used only for admin/reports/dblog page, because it
   * check for the message link text truncated to 56 characters. Other dblog
   * pages have no detail links so contains a full message text.
   *
   * @param $log_message
   *   The message to check.
   * @param $message
   *   The message to pass to simpletest.
   */
  protected function assertLogMessage($log_message, $message) {
    $message_text = truncate_utf8(filter_xss($log_message, array()), 56, TRUE, TRUE);
    // After filter_xss() HTML entities should be converted to their characters
    // because assertLink() uses this string in xpath() to query DOM.
    $this->assertLink(html_entity_decode($message_text), 0, $message);
  }
}