UpgradePathTestCase

  1. drupal
    1. 8
    2. 7

Perform end-to-end tests of the upgrade path.

Hierarchy

Properties

NameDescription
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
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::resetAllReset all data structures after having enabled new modules.
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
UpgradePathTestCase::performUpgradePerform the upgrade.
UpgradePathTestCase::refreshVariablesSpecialized refreshVariables(). Overrides DrupalWebTestCase::refreshVariables
UpgradePathTestCase::setUpOverride of DrupalWebTestCase::setUp() specialized for upgrade testing. Overrides DrupalWebTestCase::setUp
UpgradePathTestCase::tearDownOverride of DrupalWebTestCase::tearDown() specialized for upgrade testing. Overrides DrupalWebTestCase::tearDown
UpgradePathTestCase::uninstallModulesExceptForce uninstall all modules from a test database, except those listed.
UpgradePathTestCase::variable_setSpecialized variable_set() that works even if the child site is not upgraded.

modules/simpletest/tests/upgrade/upgrade.test, line 6

View source
<?php
abstract class UpgradePathTestCase extends DrupalWebTestCase {

  /**
   * The file path(s) to the dumped database(s) to load into the child site.
   *
   * @var array
   */
  var $databaseDumpFiles = array();

  /**
   * Flag that indicates whether the child site has been upgraded.
   */
  var $upgradedSite = FALSE;

  /**
   * Array of errors triggered during the upgrade process.
   */
  var $upgradeErrors = array();

  /**
   * Array of modules loaded when the test starts.
   */
  var $loadedModules = array();

  /**
   * Override of DrupalWebTestCase::setUp() specialized for upgrade testing.
   */
  protected function setUp() {
    global $user, $language, $conf;

    // Load the Update API.
    require_once DRUPAL_ROOT . '/includes/update.inc';

    // Reset flags.
    $this->upgradedSite = FALSE;
    $this->upgradeErrors = array();

    $this->loadedModules = module_list();

    // Generate a temporary prefixed database to ensure that tests have a clean starting point.
    $this->databasePrefix = 'simpletest' . mt_rand(1000, 1000000);
    db_update('simpletest_test_id')
      ->fields(array('last_prefix' => $this->databasePrefix))
      ->condition('test_id', $this->testId)
      ->execute();

    // Clone the current connection and replace the current prefix.
    $connection_info = Database::getConnectionInfo('default');
    Database::renameConnection('default', 'simpletest_original_default');
    foreach ($connection_info as $target => $value) {
      $connection_info[$target]['prefix'] = array(
        'default' => $value['prefix']['default'] . $this->databasePrefix,
      );
    }
    Database::addConnectionInfo('default', 'default', $connection_info['default']);

    // Store necessary current values before switching to prefixed database.
    $this->originalLanguage = $language;
    $this->originalLanguageDefault = variable_get('language_default');
    $this->originalFileDirectory = variable_get('file_public_path', conf_path() . '/files');
    $this->originalProfile = drupal_get_profile();
    $clean_url_original = variable_get('clean_url', 0);

    // Unregister the registry.
    // This is required to make sure that the database layer works properly.
    spl_autoload_unregister('drupal_autoload_class');
    spl_autoload_unregister('drupal_autoload_interface');

    // Create test directories ahead of installation so fatal errors and debug
    // information can be logged during installation process.
    // Use mock files directories with the same prefix as the database.
    $public_files_directory  = $this->originalFileDirectory . '/simpletest/' . substr($this->databasePrefix, 10);
    $private_files_directory = $public_files_directory . '/private';
    $temp_files_directory    = $private_files_directory . '/temp';

    // Create the directories.
    file_prepare_directory($public_files_directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS);
    file_prepare_directory($private_files_directory, FILE_CREATE_DIRECTORY);
    file_prepare_directory($temp_files_directory, FILE_CREATE_DIRECTORY);
    $this->generatedTestFiles = FALSE;

    // Log fatal errors.
    ini_set('log_errors', 1);
    ini_set('error_log', $public_files_directory . '/error.log');

    // Reset all statics and variables to perform tests in a clean environment.
    $conf = array();

    // Load the database from the portable PHP dump.
    foreach ($this->databaseDumpFiles as $file) {
      require $file;
    }

    // Set path variables.
    $this->variable_set('file_public_path', $public_files_directory);
    $this->variable_set('file_private_path', $private_files_directory);
    $this->variable_set('file_temporary_path', $temp_files_directory);

    $this->pass('Finished loading the dump.');

    // Load user 1.
    $this->originalUser = $user;
    drupal_save_session(FALSE);
    $user = db_query('SELECT * FROM {users} WHERE uid = :uid', array(':uid' => 1))->fetchObject();

    // Generate and set a D6-compatible session cookie.
    $this->curlInitialize();
    $sid = drupal_hash_base64(uniqid(mt_rand(), TRUE) . drupal_random_bytes(55));
    $session_name = update_get_d6_session_name();
    curl_setopt($this->curlHandle, CURLOPT_COOKIE, rawurlencode($session_name) . '=' . rawurlencode($sid));

    // Force our way into the session of the child site.
    drupal_save_session(TRUE);
    // A session cannot be written without the ssid column which is missing on
    // Drupal 6 sites.
    db_add_field('sessions', 'ssid', array('description' => "Secure session ID. The value is generated by Drupal's session handlers.", 'type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => ''));
    _drupal_session_write($sid, '');
    // Remove the temporarily added ssid column.
    db_drop_field('sessions', 'ssid');
    drupal_save_session(FALSE);

    // Restore necessary variables.
    $this->variable_set('clean_url', $clean_url_original);
    $this->variable_set('site_mail', 'simpletest@example.com');

    drupal_set_time_limit($this->timeLimit);
  }

  /**
   * Override of DrupalWebTestCase::tearDown() specialized for upgrade testing.
   */
  protected function tearDown() {
    global $user, $language;

    // In case a fatal error occurred that was not in the test process read the
    // log to pick up any fatal errors.
    simpletest_log_read($this->testId, $this->databasePrefix, get_class($this), TRUE);

    // Delete temporary files directory.
    file_unmanaged_delete_recursive($this->originalFileDirectory . '/simpletest/' . substr($this->databasePrefix, 10));

    // Get back to the original connection.
    Database::removeConnection('default');
    Database::renameConnection('simpletest_original_default', 'default');

    // Remove all prefixed tables.
    $tables = db_find_tables($this->databasePrefix . '%');
    foreach ($tables as $table) {
      db_drop_table($table);
    }

    // Return the user to the original one.
    $user = $this->originalUser;
    drupal_save_session(TRUE);

    // Ensure that internal logged in variable and cURL options are reset.
    $this->loggedInUser = FALSE;
    $this->additionalCurlOptions = array();

    // Reload module list and implementations to ensure that test module hooks
    // aren't called after tests.
    module_list(TRUE);
    module_implements('', FALSE, TRUE);

    // Reset the Field API.
    field_cache_clear();

    // Rebuild caches.
    parent::refreshVariables();

    // Reset language.
    $language = $this->originalLanguage;
    if ($this->originalLanguageDefault) {
      $GLOBALS['conf']['language_default'] = $this->originalLanguageDefault;
    }

    // Close the CURL handler.
    $this->curlClose();
  }

  /**
   * Specialized variable_set() that works even if the child site is not upgraded.
   *
   * @param $name
   *   The name of the variable to set.
   * @param $value
   *   The value to set. This can be any PHP data type; these functions take care
   *   of serialization as necessary.
   */
  protected function variable_set($name, $value) {
    db_delete('variable')
      ->condition('name', $name)
      ->execute();
    db_insert('variable')
      ->fields(array(
      'name' => $name, 
      'value' => serialize($value),
    ))
      ->execute();

    try {
      cache_clear_all('variables', 'cache');
      cache_clear_all('variables', 'cache_bootstrap');
    }
    // Since cache_bootstrap won't exist in a Drupal 6 site, ignore the
    // exception if the above fails.
    catch (Exception $e) {
    }
  }

  /**
   * Specialized refreshVariables().
   */
  protected function refreshVariables() {
    // No operation if the child has not been upgraded yet.
    if (!$this->upgradedSite) {
      return parent::refreshVariables();
    }
  }

  /**
   * Perform the upgrade.
   *
   * @param $register_errors
   *   Register the errors during the upgrade process as failures.
   * @return
   *   TRUE if the upgrade succeeded, FALSE otherwise.
   */
  protected function performUpgrade($register_errors = TRUE) {
    $update_url = $GLOBALS['base_url'] . '/update.php';

    // Load the first update screen.
    $this->drupalGet($update_url, array('external' => TRUE));
    if (!$this->assertResponse(200)) {
      return FALSE;
    }

    // Continue.
    $this->drupalPost(NULL, array(), t('Continue'));
    if (!$this->assertResponse(200)) {
      return FALSE;
    }

    // Go!
    $this->drupalPost(NULL, array(), t('Apply pending updates'));
    if (!$this->assertResponse(200)) {
      return FALSE;
    }

    // Check for errors during the update process.
    foreach ($this->xpath('//li[@class=:class]', array(':class' => 'failure')) as $element) {
      $message = strip_tags($element->asXML());
      $this->upgradeErrors[] = $message;
      if ($register_errors) {
        $this->fail($message);
      }
    }

    if (!empty($this->upgradeErrors)) {
      // Upgrade failed, the installation might be in an inconsistent state,
      // don't process.
      return FALSE;
    }

    // Check if there still are pending updates.
    $this->drupalGet($update_url, array('external' => TRUE));
    $this->drupalPost(NULL, array(), t('Continue'));
    if (!$this->assertText(t('No pending updates.'), t('No pending updates at the end of the update process.'))) {
      return FALSE;
    }

    // Upgrade succeed, rebuild the environment so that we can call the API
    // of the child site directly from this request.
    $this->upgradedSite = TRUE;

    // Reload module list. For modules that are enabled in the test database,
    // but not on the test client, we need to load the code here.
    $new_modules = array_diff(module_list(TRUE), $this->loadedModules);
    foreach ($new_modules as $module) {
      drupal_load('module', $module);
    }

    // Reload hook implementations
    module_implements('', FALSE, TRUE);

    // Rebuild caches.
    drupal_static_reset();
    drupal_flush_all_caches();

    // Reload global $conf array and permissions.
    $this->refreshVariables();
    $this->checkPermissions(array(), TRUE);

    return TRUE;
  }

  /**
   * Force uninstall all modules from a test database, except those listed.
   *
   * @param $modules
   *   The list of modules to keep installed. Required core modules will
   *   always be kept.
   */
  protected function uninstallModulesExcept(array $modules) {
    $required_modules = array('block', 'dblog', 'filter', 'node', 'system', 'update', 'user');

    $modules = array_merge($required_modules, $modules);

    db_delete('system')
      ->condition('type', 'module')
      ->condition('name', $modules, 'NOT IN')
      ->execute();
  }

}
?>