0, '#fail' => 0, '#exception' => 0, '#debug' => 0, ); /** * Assertions thrown in that test case. * * @var Array */ protected $assertions = array(); /** * This class is skipped when looking for the source of an assertion. * * When displaying which function an assert comes from, it's not too useful * to see "drupalWebTestCase->drupalLogin()', we would like to see the test * that called it. So we need to skip the classes defining these helper * methods. */ protected $skipClasses = array(__CLASS__ => TRUE); /** * Flag to indicate whether the test has been set up. * * The setUp() method isolates the test from the parent Drupal site by * creating a random prefix for the database and setting up a clean file * storage directory. The tearDown() method then cleans up this test * environment. We must ensure that setUp() has been run. Otherwise, * tearDown() will act on the parent Drupal site rather than the test * environment, destroying live data. */ protected $setup = FALSE; protected $setupDatabasePrefix = FALSE; protected $setupEnvironment = FALSE; /** * Constructor for DrupalTestCase. * * @param $test_id * Tests with the same id are reported together. */ public function __construct($test_id = NULL) { $this->testId = $test_id; } /** * Internal helper: stores the assert. * * @param $status * Can be 'pass', 'fail', 'exception'. * TRUE is a synonym for 'pass', FALSE for 'fail'. * @param $message * The message string. * @param $group * Which group this assert belongs to. * @param $caller * By default, the assert comes from a function whose name starts with * 'test'. Instead, you can specify where this assert originates from * by passing in an associative array as $caller. Key 'file' is * the name of the source file, 'line' is the line number and 'function' * is the caller function itself. */ protected function assert($status, $message = '', $group = 'Other', array $caller = NULL) { // Convert boolean status to string status. if (is_bool($status)) { $status = $status ? 'pass' : 'fail'; } // Increment summary result counter. $this->results['#' . $status]++; // Get the function information about the call to the assertion method. if (!$caller) { $caller = $this->getAssertionCall(); } // Creation assertion array that can be displayed while tests are running. $this->assertions[] = $assertion = array( 'test_id' => $this->testId, 'test_class' => get_class($this), 'status' => $status, 'message' => $message, 'message_group' => $group, 'function' => $caller['function'], 'line' => $caller['line'], 'file' => $caller['file'], ); // Store assertion for display after the test has completed. try { $connection = Database::getConnection('default', 'simpletest_original_default'); } catch (DatabaseConnectionNotDefinedException $e) { // If the test was not set up, the simpletest_original_default // connection does not exist. $connection = Database::getConnection('default', 'default'); } $connection ->insert('simpletest') ->fields($assertion) ->execute(); // We do not use a ternary operator here to allow a breakpoint on // test failure. if ($status == 'pass') { return TRUE; } else { return FALSE; } } /** * Store an assertion from outside the testing context. * * This is useful for inserting assertions that can only be recorded after * the test case has been destroyed, such as PHP fatal errors. The caller * information is not automatically gathered since the caller is most likely * inserting the assertion on behalf of other code. In all other respects * the method behaves just like DrupalTestCase::assert() in terms of storing * the assertion. * * @return * Message ID of the stored assertion. * * @see DrupalTestCase::assert() * @see DrupalTestCase::deleteAssert() */ public static function insertAssert($test_id, $test_class, $status, $message = '', $group = 'Other', array $caller = array()) { // Convert boolean status to string status. if (is_bool($status)) { $status = $status ? 'pass' : 'fail'; } $caller += array( 'function' => t('Unknown'), 'line' => 0, 'file' => t('Unknown'), ); $assertion = array( 'test_id' => $test_id, 'test_class' => $test_class, 'status' => $status, 'message' => $message, 'message_group' => $group, 'function' => $caller['function'], 'line' => $caller['line'], 'file' => $caller['file'], ); return db_insert('simpletest') ->fields($assertion) ->execute(); } /** * Delete an assertion record by message ID. * * @param $message_id * Message ID of the assertion to delete. * @return * TRUE if the assertion was deleted, FALSE otherwise. * * @see DrupalTestCase::insertAssert() */ public static function deleteAssert($message_id) { return (bool) db_delete('simpletest') ->condition('message_id', $message_id) ->execute(); } /** * Cycles through backtrace until the first non-assertion method is found. * * @return * Array representing the true caller. */ protected function getAssertionCall() { $backtrace = debug_backtrace(); // The first element is the call. The second element is the caller. // We skip calls that occurred in one of the methods of our base classes // or in an assertion function. while (($caller = $backtrace[1]) && ((isset($caller['class']) && isset($this->skipClasses[$caller['class']])) || substr($caller['function'], 0, 6) == 'assert')) { // We remove that call. array_shift($backtrace); } return _drupal_get_last_caller($backtrace); } /** * Check to see if a value is not false (not an empty string, 0, NULL, or FALSE). * * @param $value * The value on which the assertion is to be done. * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @return * TRUE if the assertion succeeded, FALSE otherwise. */ protected function assertTrue($value, $message = '', $group = 'Other') { return $this->assert((bool) $value, $message ? $message : t('Value @value is TRUE.', array('@value' => var_export($value, TRUE))), $group); } /** * Check to see if a value is false (an empty string, 0, NULL, or FALSE). * * @param $value * The value on which the assertion is to be done. * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @return * TRUE if the assertion succeeded, FALSE otherwise. */ protected function assertFalse($value, $message = '', $group = 'Other') { return $this->assert(!$value, $message ? $message : t('Value @value is FALSE.', array('@value' => var_export($value, TRUE))), $group); } /** * Check to see if a value is NULL. * * @param $value * The value on which the assertion is to be done. * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @return * TRUE if the assertion succeeded, FALSE otherwise. */ protected function assertNull($value, $message = '', $group = 'Other') { return $this->assert(!isset($value), $message ? $message : t('Value @value is NULL.', array('@value' => var_export($value, TRUE))), $group); } /** * Check to see if a value is not NULL. * * @param $value * The value on which the assertion is to be done. * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @return * TRUE if the assertion succeeded, FALSE otherwise. */ protected function assertNotNull($value, $message = '', $group = 'Other') { return $this->assert(isset($value), $message ? $message : t('Value @value is not NULL.', array('@value' => var_export($value, TRUE))), $group); } /** * Check to see if two values are equal. * * @param $first * The first value to check. * @param $second * The second value to check. * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @return * TRUE if the assertion succeeded, FALSE otherwise. */ protected function assertEqual($first, $second, $message = '', $group = 'Other') { return $this->assert($first == $second, $message ? $message : t('Value @first is equal to value @second.', array('@first' => var_export($first, TRUE), '@second' => var_export($second, TRUE))), $group); } /** * Check to see if two values are not equal. * * @param $first * The first value to check. * @param $second * The second value to check. * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @return * TRUE if the assertion succeeded, FALSE otherwise. */ protected function assertNotEqual($first, $second, $message = '', $group = 'Other') { return $this->assert($first != $second, $message ? $message : t('Value @first is not equal to value @second.', array('@first' => var_export($first, TRUE), '@second' => var_export($second, TRUE))), $group); } /** * Check to see if two values are identical. * * @param $first * The first value to check. * @param $second * The second value to check. * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @return * TRUE if the assertion succeeded, FALSE otherwise. */ protected function assertIdentical($first, $second, $message = '', $group = 'Other') { return $this->assert($first === $second, $message ? $message : t('Value @first is identical to value @second.', array('@first' => var_export($first, TRUE), '@second' => var_export($second, TRUE))), $group); } /** * Check to see if two values are not identical. * * @param $first * The first value to check. * @param $second * The second value to check. * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @return * TRUE if the assertion succeeded, FALSE otherwise. */ protected function assertNotIdentical($first, $second, $message = '', $group = 'Other') { return $this->assert($first !== $second, $message ? $message : t('Value @first is not identical to value @second.', array('@first' => var_export($first, TRUE), '@second' => var_export($second, TRUE))), $group); } /** * Fire an assertion that is always positive. * * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @return * TRUE. */ protected function pass($message = NULL, $group = 'Other') { return $this->assert(TRUE, $message, $group); } /** * Fire an assertion that is always negative. * * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @return * FALSE. */ protected function fail($message = NULL, $group = 'Other') { return $this->assert(FALSE, $message, $group); } /** * Fire an error assertion. * * @param $message * The message to display along with the assertion. * @param $group * The type of assertion - examples are "Browser", "PHP". * @param $caller * The caller of the error. * @return * FALSE. */ protected function error($message = '', $group = 'Other', array $caller = NULL) { if ($group == 'User notice') { // Since 'User notice' is set by trigger_error() which is used for debug // set the message to a status of 'debug'. return $this->assert('debug', $message, 'Debug', $caller); } return $this->assert('exception', $message, $group, $caller); } /** * Logs verbose message in a text file. * * The a link to the vebose message will be placed in the test results via * as a passing assertion with the text '[verbose message]'. * * @param $message * The verbose message to be stored. * * @see simpletest_verbose() */ protected function verbose($message) { if ($id = simpletest_verbose($message)) { $class_safe = str_replace('\\', '_', get_class($this)); $url = file_create_url($this->originalFileDirectory . '/simpletest/verbose/' . $class_safe . '-' . $id . '.html'); $this->error(l(t('Verbose message'), $url, array('attributes' => array('target' => '_blank'))), 'User notice'); } } /** * Run all tests in this class. * * Regardless of whether $methods are passed or not, only method names * starting with "test" are executed. * * @param $methods * (optional) A list of method names in the test case class to run; e.g., * array('testFoo', 'testBar'). By default, all methods of the class are * taken into account, but it can be useful to only run a few selected test * methods during debugging. */ public function run(array $methods = array()) { // Initialize verbose debugging. $class = get_class($this); simpletest_verbose(NULL, variable_get('file_public_path', conf_path() . '/files'), str_replace('\\', '_', $class)); // HTTP auth settings (:) for the simpletest browser // when sending requests to the test site. $this->httpauth_method = variable_get('simpletest_httpauth_method', CURLAUTH_BASIC); $username = variable_get('simpletest_httpauth_username', NULL); $password = variable_get('simpletest_httpauth_password', NULL); if ($username && $password) { $this->httpauth_credentials = $username . ':' . $password; } set_error_handler(array($this, 'errorHandler')); // Iterate through all the methods in this class, unless a specific list of // methods to run was passed. $class_methods = get_class_methods($class); if ($methods) { $class_methods = array_intersect($class_methods, $methods); } foreach ($class_methods as $method) { // If the current method starts with "test", run it - it's a test. if (strtolower(substr($method, 0, 4)) == 'test') { // Insert a fail record. This will be deleted on completion to ensure // that testing completed. $method_info = new ReflectionMethod($class, $method); $caller = array( 'file' => $method_info->getFileName(), 'line' => $method_info->getStartLine(), 'function' => $class . '->' . $method . '()', ); $completion_check_id = DrupalTestCase::insertAssert($this->testId, $class, FALSE, t('The test did not complete due to a fatal error.'), 'Completion check', $caller); $this->setUp(); if ($this->setup) { try { $this->$method(); // Finish up. } catch (Exception $e) { $this->exceptionHandler($e); } $this->tearDown(); } else { $this->fail(t("The test cannot be executed because it has not been set up properly.")); } // Remove the completion check record. DrupalTestCase::deleteAssert($completion_check_id); } } // Clear out the error messages and restore error handler. drupal_get_messages(); restore_error_handler(); } /** * Handle errors during test runs. * * Because this is registered in set_error_handler(), it has to be public. * @see set_error_handler */ public function errorHandler($severity, $message, $file = NULL, $line = NULL) { if ($severity & error_reporting()) { $error_map = array( E_STRICT => 'Run-time notice', E_WARNING => 'Warning', E_NOTICE => 'Notice', E_CORE_ERROR => 'Core error', E_CORE_WARNING => 'Core warning', E_USER_ERROR => 'User error', E_USER_WARNING => 'User warning', E_USER_NOTICE => 'User notice', E_RECOVERABLE_ERROR => 'Recoverable error', ); $backtrace = debug_backtrace(); $this->error($message, $error_map[$severity], _drupal_get_last_caller($backtrace)); } return TRUE; } /** * Handle exceptions. * * @see set_exception_handler */ protected function exceptionHandler($exception) { $backtrace = $exception->getTrace(); // Push on top of the backtrace the call that generated the exception. array_unshift($backtrace, array( 'line' => $exception->getLine(), 'file' => $exception->getFile(), )); require_once DRUPAL_ROOT . '/includes/errors.inc'; // The exception message is run through check_plain() by _drupal_decode_exception(). $this->error(t('%type: !message in %function (line %line of %file).', _drupal_decode_exception($exception)), 'Uncaught exception', _drupal_get_last_caller($backtrace)); } /** * Generates a random string of ASCII characters of codes 32 to 126. * * The generated string includes alpha-numeric characters and common * miscellaneous characters. Use this method when testing general input * where the content is not restricted. * * Do not use this method when special characters are not possible (e.g., in * machine or file names that have already been validated); instead, * use DrupalWebTestCase::randomName(). * * @param $length * Length of random string to generate. * * @return * Randomly generated string. * * @see DrupalWebTestCase::randomName() */ public static function randomString($length = 8) { $str = ''; for ($i = 0; $i < $length; $i++) { $str .= chr(mt_rand(32, 126)); } return $str; } /** * Generates a random string containing letters and numbers. * * The string will always start with a letter. The letters may be upper or * lower case. This method is better for restricted inputs that do not * accept certain characters. For example, when testing input fields that * require machine readable values (i.e. without spaces and non-standard * characters) this method is best. * * Do not use this method when testing unvalidated user input. Instead, use * DrupalWebTestCase::randomString(). * * @param $length * Length of random string to generate. * * @return * Randomly generated string. * * @see DrupalWebTestCase::randomString() */ public static function randomName($length = 8) { $values = array_merge(range(65, 90), range(97, 122), range(48, 57)); $max = count($values) - 1; $str = chr(mt_rand(97, 122)); for ($i = 1; $i < $length; $i++) { $str .= chr($values[mt_rand(0, $max)]); } return $str; } /** * Converts a list of possible parameters into a stack of permutations. * * Takes a list of parameters containing possible values, and converts all of * them into a list of items containing every possible permutation. * * Example: * @code * $parameters = array( * 'one' => array(0, 1), * 'two' => array(2, 3), * ); * $permutations = DrupalTestCase::generatePermutations($parameters) * // Result: * $permutations == array( * array('one' => 0, 'two' => 2), * array('one' => 1, 'two' => 2), * array('one' => 0, 'two' => 3), * array('one' => 1, 'two' => 3), * ) * @endcode * * @param $parameters * An associative array of parameters, keyed by parameter name, and whose * values are arrays of parameter values. * * @return * A list of permutations, which is an array of arrays. Each inner array * contains the full list of parameters that have been passed, but with a * single value only. */ public static function generatePermutations($parameters) { $all_permutations = array(array()); foreach ($parameters as $parameter => $values) { $new_permutations = array(); // Iterate over all values of the parameter. foreach ($values as $value) { // Iterate over all existing permutations. foreach ($all_permutations as $permutation) { // Add the new parameter value to existing permutations. $new_permutations[] = $permutation + array($parameter => $value); } } // Replace the old permutations with the new permutations. $all_permutations = $new_permutations; } return $all_permutations; } } /** * Test case for Drupal unit tests. * * These tests can not access the database nor files. Calling any Drupal * function that needs the database will throw exceptions. These include * watchdog(), module_implements(), module_invoke_all() etc. */ class DrupalUnitTestCase extends DrupalTestCase { /** * Constructor for DrupalUnitTestCase. */ function __construct($test_id = NULL) { parent::__construct($test_id); $this->skipClasses[__CLASS__] = TRUE; } /** * Sets up unit test environment. * * Unlike DrupalWebTestCase::setUp(), DrupalUnitTestCase::setUp() does not * install modules because tests are performed without accessing the database. * Any required files must be explicitly included by the child class setUp() * method. */ protected function setUp() { global $conf; // Store necessary current values before switching to the test environment. $this->originalFileDirectory = variable_get('file_public_path', conf_path() . '/files'); // Reset all statics so that test is performed with a clean environment. drupal_static_reset(); // Generate temporary prefixed database to ensure that tests have a clean starting point. $this->databasePrefix = Database::getConnection()->prefixTables('{simpletest' . mt_rand(1000, 1000000) . '}'); // Create test directory. $public_files_directory = $this->originalFileDirectory . '/simpletest/' . substr($this->databasePrefix, 10); file_prepare_directory($public_files_directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS); $conf['file_public_path'] = $public_files_directory; // 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']); // Set user agent to be consistent with web test case. $_SERVER['HTTP_USER_AGENT'] = $this->databasePrefix; // If locale is enabled then t() will try to access the database and // subsequently will fail as the database is not accessible. $module_list = module_list(); if (isset($module_list['locale'])) { $this->originalModuleList = $module_list; unset($module_list['locale']); module_list(TRUE, FALSE, FALSE, $module_list); } $this->setup = TRUE; } protected function tearDown() { global $conf; // Get back to the original connection. Database::removeConnection('default'); Database::renameConnection('simpletest_original_default', 'default'); $conf['file_public_path'] = $this->originalFileDirectory; // Restore modules if necessary. if (isset($this->originalModuleList)) { module_list(TRUE, FALSE, FALSE, $this->originalModuleList); } } } /** * Test case for typical Drupal tests. */ class DrupalWebTestCase extends DrupalTestCase { /** * The profile to install as a basis for testing. * * @var string */ protected $profile = 'standard'; /** * The URL currently loaded in the internal browser. * * @var string */ protected $url; /** * The handle of the current cURL connection. * * @var resource */ protected $curlHandle; /** * The headers of the page currently loaded in the internal browser. * * @var Array */ protected $headers; /** * The content of the page currently loaded in the internal browser. * * @var string */ protected $content; /** * The content of the page currently loaded in the internal browser (plain text version). * * @var string */ protected $plainTextContent; /** * The value of the Drupal.settings JavaScript variable for the page currently loaded in the internal browser. * * @var Array */ protected $drupalSettings; /** * The parsed version of the page. * * @var SimpleXMLElement */ protected $elements = NULL; /** * The current user logged in using the internal browser. * * @var bool */ protected $loggedInUser = FALSE; /** * The current cookie file used by cURL. * * We do not reuse the cookies in further runs, so we do not need a file * but we still need cookie handling, so we set the jar to NULL. */ protected $cookieFile = NULL; /** * Additional cURL options. * * DrupalWebTestCase itself never sets this but always obeys what is set. */ protected $additionalCurlOptions = array(); /** * The original user, before it was changed to a clean uid = 1 for testing purposes. * * @var object */ protected $originalUser = NULL; /** * The original shutdown handlers array, before it was cleaned for testing purposes. * * @var array */ protected $originalShutdownCallbacks = array(); /** * HTTP authentication method */ protected $httpauth_method = CURLAUTH_BASIC; /** * HTTP authentication credentials (:). */ protected $httpauth_credentials = NULL; /** * The current session name, if available. */ protected $session_name = NULL; /** * The current session ID, if available. */ protected $session_id = NULL; /** * Whether the files were copied to the test files directory. */ protected $generatedTestFiles = FALSE; /** * The number of redirects followed during the handling of a request. */ protected $redirect_count; /** * Constructor for DrupalWebTestCase. */ function __construct($test_id = NULL) { parent::__construct($test_id); $this->skipClasses[__CLASS__] = TRUE; } /** * Get a node from the database based on its title. * * @param $title * A node title, usually generated by $this->randomName(). * @param $reset * (optional) Whether to reset the internal node_load() cache. * * @return * A node object matching $title. */ function drupalGetNodeByTitle($title, $reset = FALSE) { $nodes = node_load_multiple(array(), array('title' => $title), $reset); // Load the first node returned from the database. $returned_node = reset($nodes); return $returned_node; } /** * Creates a node based on default settings. * * @param $settings * An associative array of settings to change from the defaults, keys are * node properties, for example 'title' => 'Hello, world!'. * @return * Created node object. */ protected function drupalCreateNode($settings = array()) { // Populate defaults array. $settings += array( 'body' => array(LANGUAGE_NONE => array(array())), 'title' => $this->randomName(8), 'comment' => 2, 'changed' => REQUEST_TIME, 'moderate' => 0, 'promote' => 0, 'revision' => 1, 'log' => '', 'status' => 1, 'sticky' => 0, 'type' => 'page', 'revisions' => NULL, 'language' => LANGUAGE_NONE, ); // Use the original node's created time for existing nodes. if (isset($settings['created']) && !isset($settings['date'])) { $settings['date'] = format_date($settings['created'], 'custom', 'Y-m-d H:i:s O'); } // If the node's user uid is not specified manually, use the currently // logged in user if available, or else the user running the test. if (!isset($settings['uid'])) { if ($this->loggedInUser) { $settings['uid'] = $this->loggedInUser->uid; } else { global $user; $settings['uid'] = $user->uid; } } // Merge body field value and format separately. $body = array( 'value' => $this->randomName(32), 'format' => filter_default_format(), ); $settings['body'][$settings['language']][0] += $body; $node = (object) $settings; node_save($node); // Small hack to link revisions to our test user. db_update('node_revision') ->fields(array('uid' => $node->uid)) ->condition('vid', $node->vid) ->execute(); return $node; } /** * Creates a custom content type based on default settings. * * @param $settings * An array of settings to change from the defaults. * Example: 'type' => 'foo'. * @return * Created content type. */ protected function drupalCreateContentType($settings = array()) { // Find a non-existent random type name. do { $name = strtolower($this->randomName(8)); } while (node_type_get_type($name)); // Populate defaults array. $defaults = array( 'type' => $name, 'name' => $name, 'base' => 'node_content', 'description' => '', 'help' => '', 'title_label' => 'Title', 'body_label' => 'Body', 'has_title' => 1, 'has_body' => 1, ); // Imposed values for a custom type. $forced = array( 'orig_type' => '', 'old_type' => '', 'module' => 'node', 'custom' => 1, 'modified' => 1, 'locked' => 0, ); $type = $forced + $settings + $defaults; $type = (object) $type; $saved_type = node_type_save($type); node_types_rebuild(); menu_rebuild(); node_add_body_field($type); $this->assertEqual($saved_type, SAVED_NEW, t('Created content type %type.', array('%type' => $type->type))); // Reset permissions so that permissions for this content type are available. $this->checkPermissions(array(), TRUE); return $type; } /** * Get a list files that can be used in tests. * * @param $type * File type, possible values: 'binary', 'html', 'image', 'javascript', 'php', 'sql', 'text'. * @param $size * File size in bytes to match. Please check the tests/files folder. * @return * List of files that match filter. */ protected function drupalGetTestFiles($type, $size = NULL) { if (empty($this->generatedTestFiles)) { // Generate binary test files. $lines = array(64, 1024); $count = 0; foreach ($lines as $line) { simpletest_generate_file('binary-' . $count++, 64, $line, 'binary'); } // Generate text test files. $lines = array(16, 256, 1024, 2048, 20480); $count = 0; foreach ($lines as $line) { simpletest_generate_file('text-' . $count++, 64, $line); } // Copy other test files from simpletest. $original = drupal_get_path('module', 'simpletest') . '/files'; $files = file_scan_directory($original, '/(html|image|javascript|php|sql)-.*/'); foreach ($files as $file) { file_unmanaged_copy($file->uri, variable_get('file_public_path', conf_path() . '/files')); } $this->generatedTestFiles = TRUE; } $files = array(); // Make sure type is valid. if (in_array($type, array('binary', 'html', 'image', 'javascript', 'php', 'sql', 'text'))) { $files = file_scan_directory('public://', '/' . $type . '\-.*/'); // If size is set then remove any files that are not of that size. if ($size !== NULL) { foreach ($files as $file) { $stats = stat($file->uri); if ($stats['size'] != $size) { unset($files[$file->uri]); } } } } usort($files, array($this, 'drupalCompareFiles')); return $files; } /** * Compare two files based on size and file name. */ protected function drupalCompareFiles($file1, $file2) { $compare_size = filesize($file1->uri) - filesize($file2->uri); if ($compare_size) { // Sort by file size. return $compare_size; } else { // The files were the same size, so sort alphabetically. return strnatcmp($file1->name, $file2->name); } } /** * Create a user with a given set of permissions. * * @param array $permissions * Array of permission names to assign to user. Note that the user always * has the default permissions derived from the "authenticated users" role. * * @return object|false * A fully loaded user object with pass_raw property, or FALSE if account * creation fails. */ protected function drupalCreateUser(array $permissions = array()) { // Create a role with the given permission set, if any. $rid = FALSE; if ($permissions) { $rid = $this->drupalCreateRole($permissions); if (!$rid) { return FALSE; } } // Create a user assigned to that role. $edit = array(); $edit['name'] = $this->randomName(); $edit['mail'] = $edit['name'] . '@example.com'; $edit['pass'] = user_password(); $edit['status'] = 1; if ($rid) { $edit['roles'] = array($rid => $rid); } $account = user_save(drupal_anonymous_user(), $edit); $this->assertTrue(!empty($account->uid), t('User created with name %name and pass %pass', array('%name' => $edit['name'], '%pass' => $edit['pass'])), t('User login')); if (empty($account->uid)) { return FALSE; } // Add the raw password so that we can log in as this user. $account->pass_raw = $edit['pass']; return $account; } /** * Internal helper function; Create a role with specified permissions. * * @param $permissions * Array of permission names to assign to role. * @param $name * (optional) String for the name of the role. Defaults to a random string. * @return * Role ID of newly created role, or FALSE if role creation failed. */ protected function drupalCreateRole(array $permissions, $name = NULL) { // Generate random name if it was not passed. if (!$name) { $name = $this->randomName(); } // Check the all the permissions strings are valid. if (!$this->checkPermissions($permissions)) { return FALSE; } // Create new role. $role = new stdClass(); $role->name = $name; user_role_save($role); user_role_grant_permissions($role->rid, $permissions); $this->assertTrue(isset($role->rid), t('Created role of name: @name, id: @rid', array('@name' => $name, '@rid' => (isset($role->rid) ? $role->rid : t('-n/a-')))), t('Role')); if ($role && !empty($role->rid)) { $count = db_query('SELECT COUNT(*) FROM {role_permission} WHERE rid = :rid', array(':rid' => $role->rid))->fetchField(); $this->assertTrue($count == count($permissions), t('Created permissions: @perms', array('@perms' => implode(', ', $permissions))), t('Role')); return $role->rid; } else { return FALSE; } } /** * Check to make sure that the array of permissions are valid. * * @param $permissions * Permissions to check. * @param $reset * Reset cached available permissions. * @return * TRUE or FALSE depending on whether the permissions are valid. */ protected function checkPermissions(array $permissions, $reset = FALSE) { $available = &drupal_static(__FUNCTION__); if (!isset($available) || $reset) { $available = array_keys(module_invoke_all('permission')); } $valid = TRUE; foreach ($permissions as $permission) { if (!in_array($permission, $available)) { $this->fail(t('Invalid permission %permission.', array('%permission' => $permission)), t('Role')); $valid = FALSE; } } return $valid; } /** * Log in a user with the internal browser. * * If a user is already logged in, then the current user is logged out before * logging in the specified user. * * Please note that neither the global $user nor the passed-in user object is * populated with data of the logged in user. If you need full access to the * user object after logging in, it must be updated manually. If you also need * access to the plain-text password of the user (set by drupalCreateUser()), * e.g. to log in the same user again, then it must be re-assigned manually. * For example: * @code * // Create a user. * $account = $this->drupalCreateUser(array()); * $this->drupalLogin($account); * // Load real user object. * $pass_raw = $account->pass_raw; * $account = user_load($account->uid); * $account->pass_raw = $pass_raw; * @endcode * * @param $account * User object representing the user to log in. * * @see drupalCreateUser() */ protected function drupalLogin(stdClass $account) { if ($this->loggedInUser) { $this->drupalLogout(); } $edit = array( 'name' => $account->name, 'pass' => $account->pass_raw ); $this->drupalPost('user', $edit, t('Log in')); // If a "log out" link appears on the page, it is almost certainly because // the login was successful. $pass = $this->assertLink(t('Log out'), 0, t('User %name successfully logged in.', array('%name' => $account->name)), t('User login')); if ($pass) { $this->loggedInUser = $account; } } /** * Generate a token for the currently logged in user. */ protected function drupalGetToken($value = '') { $private_key = drupal_get_private_key(); return drupal_hmac_base64($value, $this->session_id . $private_key); } /* * Logs a user out of the internal browser, then check the login page to confirm logout. */ protected function drupalLogout() { // Make a request to the logout page, and redirect to the user page, the // idea being if you were properly logged out you should be seeing a login // screen. $this->drupalGet('user/logout'); $this->drupalGet('user'); $pass = $this->assertField('name', t('Username field found.'), t('Logout')); $pass = $pass && $this->assertField('pass', t('Password field found.'), t('Logout')); if ($pass) { $this->loggedInUser = FALSE; } } /** * Generates a database prefix for running tests. * * The generated database table prefix is used for the Drupal installation * being performed for the test. It is also used as user agent HTTP header * value by the cURL-based browser of DrupalWebTestCase, which is sent * to the Drupal installation of the test. During early Drupal bootstrap, the * user agent HTTP header is parsed, and if it matches, all database queries * use the database table prefix that has been generated here. * * @see DrupalWebTestCase::curlInitialize() * @see drupal_valid_test_ua() * @see DrupalWebTestCase::setUp() */ protected function prepareDatabasePrefix() { $this->databasePrefix = 'simpletest' . mt_rand(1000, 1000000); // As soon as the database prefix is set, the test might start to execute. // All assertions as well as the SimpleTest batch operations are associated // with the testId, so the database prefix has to be associated with it. db_update('simpletest_test_id') ->fields(array('last_prefix' => $this->databasePrefix)) ->condition('test_id', $this->testId) ->execute(); } /** * Changes the database connection to the prefixed one. * * @see DrupalWebTestCase::setUp() */ protected function changeDatabasePrefix() { if (empty($this->databasePrefix)) { $this->prepareDatabasePrefix(); // If $this->prepareDatabasePrefix() failed to work, return without // setting $this->setupDatabasePrefix to TRUE, so setUp() methods will // know to bail out. if (empty($this->databasePrefix)) { return; } } // 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']); // Indicate the database prefix was set up correctly. $this->setupDatabasePrefix = TRUE; } /** * Prepares the current environment for running the test. * * Backups various current environment variables and resets them, so they do * not interfere with the Drupal site installation in which tests are executed * and can be restored in tearDown(). * * Also sets up new resources for the testing environment, such as the public * filesystem and configuration directories. * * @see DrupalWebTestCase::setUp() * @see DrupalWebTestCase::tearDown() */ protected function prepareEnvironment() { global $user, $language, $conf; // 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(); $this->originalCleanUrl = variable_get('clean_url', 0); $this->originalUser = $user; // Set to English to prevent exceptions from utf8_truncate() from t() // during install if the current language is not 'en'. // The following array/object conversion is copied from language_default(). $language = (object) array('language' => 'en', 'name' => 'English', 'native' => 'English', 'direction' => 0, 'enabled' => 1, 'plurals' => 0, 'formula' => '', 'domain' => '', 'prefix' => '', 'weight' => 0, 'javascript' => ''); // Save and clean the shutdown callbacks array because it is static cached // and will be changed by the test run. Otherwise it will contain callbacks // from both environments and the testing environment will try to call the // handlers defined by the original one. $callbacks = &drupal_register_shutdown_function(); $this->originalShutdownCallbacks = $callbacks; $callbacks = array(); // Create test directory ahead of installation so fatal errors and debug // information can be logged during installation process. // Use temporary files directory with the same prefix as the database. $this->public_files_directory = $this->originalFileDirectory . '/simpletest/' . substr($this->databasePrefix, 10); $this->private_files_directory = $this->public_files_directory . '/private'; $this->temp_files_directory = $this->private_files_directory . '/temp'; // Create the directories file_prepare_directory($this->public_files_directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS); file_prepare_directory($this->private_files_directory, FILE_CREATE_DIRECTORY); file_prepare_directory($this->temp_files_directory, FILE_CREATE_DIRECTORY); $this->generatedTestFiles = FALSE; // Log fatal errors. ini_set('log_errors', 1); ini_set('error_log', $this->public_files_directory . '/error.log'); // Set the test information for use in other parts of Drupal. $test_info = &$GLOBALS['drupal_test_info']; $test_info['test_run_id'] = $this->databasePrefix; $test_info['in_child_site'] = FALSE; // Indicate the environment was set up correctly. $this->setupEnvironment = TRUE; } /** * Sets up a Drupal site for running functional and integration tests. * * Generates a random database prefix and installs Drupal with the specified * installation profile in DrupalWebTestCase::$profile into the * prefixed database. Afterwards, installs any additional modules specified by * the test. * * After installation all caches are flushed and several configuration values * are reset to the values of the parent site executing the test, since the * default values may be incompatible with the environment in which tests are * being executed. * * @param ... * List of modules to enable for the duration of the test. This can be * either a single array or a variable number of string arguments. * * @see DrupalWebTestCase::prepareDatabasePrefix() * @see DrupalWebTestCase::changeDatabasePrefix() * @see DrupalWebTestCase::prepareEnvironment() */ protected function setUp() { global $user, $language, $conf; // Create the database prefix for this test. $this->prepareDatabasePrefix(); // Prepare the environment for running tests. $this->prepareEnvironment(); if (!$this->setupEnvironment) { return FALSE; } // Reset all statics and variables to perform tests in a clean environment. $conf = array(); drupal_static_reset(); // Change the database prefix. // All static variables need to be reset before the database prefix is // changed, since DrupalCacheArray implementations attempt to // write back to persistent caches when they are destructed. $this->changeDatabasePrefix(); if (!$this->setupDatabasePrefix) { return FALSE; } // Preset the 'install_profile' system variable, so the first call into // system_rebuild_module_data() (in drupal_install_system()) will register // the test's profile as a module. Without this, the installation profile of // the parent site (executing the test) is registered, and the test // profile's hook_install() and other hook implementations are never invoked. $conf['install_profile'] = $this->profile; // Perform the actual Drupal installation. include_once DRUPAL_ROOT . '/includes/install.inc'; drupal_install_system(); $this->preloadRegistry(); // Set path variables. variable_set('file_public_path', $this->public_files_directory); variable_set('file_private_path', $this->private_files_directory); variable_set('file_temporary_path', $this->temp_files_directory); // Set the 'simpletest_parent_profile' variable to add the parent profile's // search path to the child site's search paths. // @see drupal_system_listing() // @todo This may need to be primed like 'install_profile' above. variable_set('simpletest_parent_profile', $this->originalProfile); // Include the testing profile. variable_set('install_profile', $this->profile); $profile_details = install_profile_info($this->profile, 'en'); // Install the modules specified by the testing profile. module_enable($profile_details['dependencies'], FALSE); // Install modules needed for this test. This could have been passed in as // either a single array argument or a variable number of string arguments. // @todo Remove this compatibility layer in Drupal 8, and only accept // $modules as a single array argument. $modules = func_get_args(); if (isset($modules[0]) && is_array($modules[0])) { $modules = $modules[0]; } if ($modules) { $success = module_enable($modules, TRUE); $this->assertTrue($success, t('Enabled modules: %modules', array('%modules' => implode(', ', $modules)))); } // Run the profile tasks. $install_profile_module_exists = db_query("SELECT 1 FROM {system} WHERE type = 'module' AND name = :name", array( ':name' => $this->profile, ))->fetchField(); if ($install_profile_module_exists) { module_enable(array($this->profile), FALSE); } // Reset/rebuild all data structures after enabling the modules. $this->resetAll(); // Run cron once in that environment, as install.php does at the end of // the installation process. drupal_cron_run(); // Ensure that the session is not written to the new environment and replace // the global $user session with uid 1 from the new test site. drupal_save_session(FALSE); // Login as uid 1. $user = user_load(1); // Restore necessary variables. variable_set('install_task', 'done'); variable_set('clean_url', $this->originalCleanUrl); variable_set('site_mail', 'simpletest@example.com'); variable_set('date_default_timezone', date_default_timezone_get()); // Set up English language. unset($conf['language_default']); $language = language_default(); // Use the test mail class instead of the default mail handler class. variable_set('mail_system', array('default-system' => 'TestingMailSystem')); drupal_set_time_limit($this->timeLimit); $this->setup = TRUE; } /** * Preload the registry from the testing site. * * This method is called by DrupalWebTestCase::setUp(), and preloads the * registry from the testing site to cut down on the time it takes to * set up a clean environment for the current test run. */ protected function preloadRegistry() { // Use two separate queries, each with their own connections: copy the // {registry} and {registry_file} tables over from the parent installation // to the child installation. $original_connection = Database::getConnection('default', 'simpletest_original_default'); $test_connection = Database::getConnection(); foreach (array('registry', 'registry_file') as $table) { // Find the records from the parent database. $source_query = $original_connection ->select($table, array(), array('fetch' => PDO::FETCH_ASSOC)) ->fields($table); $dest_query = $test_connection->insert($table); $first = TRUE; foreach ($source_query->execute() as $row) { if ($first) { $dest_query->fields(array_keys($row)); $first = FALSE; } // Insert the records into the child database. $dest_query->values($row); } $dest_query->execute(); } } /** * Reset all data structures after having enabled new modules. * * This method is called by DrupalWebTestCase::setUp() after enabling * the requested modules. It must be called again when additional modules * are enabled later. */ protected function resetAll() { // Reset all static variables. drupal_static_reset(); // Reset the list of enabled modules. module_list(TRUE); // Reset cached schema for new database prefix. This must be done before // drupal_flush_all_caches() so rebuilds can make use of the schema of // modules enabled on the cURL side. drupal_get_schema(NULL, TRUE); // Perform rebuilds and flush remaining caches. drupal_flush_all_caches(); // Reload global $conf array and permissions. $this->refreshVariables(); $this->checkPermissions(array(), TRUE); } /** * Refresh the in-memory set of variables. Useful after a page request is made * that changes a variable in a different thread. * * In other words calling a settings page with $this->drupalPost() with a changed * value would update a variable to reflect that change, but in the thread that * made the call (thread running the test) the changed variable would not be * picked up. * * This method clears the variables cache and loads a fresh copy from the database * to ensure that the most up-to-date set of variables is loaded. */ protected function refreshVariables() { global $conf; cache_clear_all('variables', 'cache_bootstrap'); $conf = variable_initialize(); } /** * Delete created files and temporary files directory, delete the tables created by setUp(), * and reset the database prefix. */ 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); $emailCount = count(variable_get('drupal_test_email_collector', array())); if ($emailCount) { $message = format_plural($emailCount, '1 e-mail was sent during this test.', '@count e-mails were sent during this test.'); $this->pass($message, t('E-mail')); } // Delete temporary files directory. file_unmanaged_delete_recursive($this->originalFileDirectory . '/simpletest/' . substr($this->databasePrefix, 10)); // Remove all prefixed tables. $tables = db_find_tables($this->databasePrefix . '%'); $connection_info = Database::getConnectionInfo('default'); $tables = db_find_tables($connection_info['default']['prefix']['default'] . '%'); if (empty($tables)) { $this->fail('Failed to find test tables to drop.'); } $prefix_length = strlen($connection_info['default']['prefix']['default']); foreach ($tables as $table) { if (db_drop_table(substr($table, $prefix_length))) { unset($tables[$table]); } } if (!empty($tables)) { $this->fail('Failed to drop all prefixed tables.'); } // Get back to the original connection. Database::removeConnection('default'); Database::renameConnection('simpletest_original_default', 'default'); // Restore original shutdown callbacks array to prevent original // environment of calling handlers from test run. $callbacks = &drupal_register_shutdown_function(); $callbacks = $this->originalShutdownCallbacks; // 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. $this->refreshVariables(); // Reset public files directory. $GLOBALS['conf']['file_public_path'] = $this->originalFileDirectory; // Reset language. $language = $this->originalLanguage; if ($this->originalLanguageDefault) { $GLOBALS['conf']['language_default'] = $this->originalLanguageDefault; } // Close the CURL handler. $this->curlClose(); } /** * Initializes the cURL connection. * * If the simpletest_httpauth_credentials variable is set, this function will * add HTTP authentication headers. This is necessary for testing sites that * are protected by login credentials from public access. * See the description of $curl_options for other options. */ protected function curlInitialize() { global $base_url; if (!isset($this->curlHandle)) { $this->curlHandle = curl_init(); // Some versions/configurations of cURL break on a NULL cookie jar, so // supply a real file. if (empty($this->cookieFile)) { $this->cookieFile = $this->public_files_directory . '/cookie.jar'; } $curl_options = array( CURLOPT_COOKIEJAR => $this->cookieFile, CURLOPT_URL => $base_url, CURLOPT_FOLLOWLOCATION => FALSE, CURLOPT_RETURNTRANSFER => TRUE, CURLOPT_SSL_VERIFYPEER => FALSE, // Required to make the tests run on HTTPS. CURLOPT_SSL_VERIFYHOST => FALSE, // Required to make the tests run on HTTPS. CURLOPT_HEADERFUNCTION => array(&$this, 'curlHeaderCallback'), CURLOPT_USERAGENT => $this->databasePrefix, ); if (isset($this->httpauth_credentials)) { $curl_options[CURLOPT_HTTPAUTH] = $this->httpauth_method; $curl_options[CURLOPT_USERPWD] = $this->httpauth_credentials; } // curl_setopt_array() returns FALSE if any of the specified options // cannot be set, and stops processing any further options. $result = curl_setopt_array($this->curlHandle, $this->additionalCurlOptions + $curl_options); if (!$result) { throw new Exception('One or more cURL options could not be set.'); } // By default, the child session name should be the same as the parent. $this->session_name = session_name(); } // We set the user agent header on each request so as to use the current // time and a new uniqid. if (preg_match('/simpletest\d+/', $this->databasePrefix, $matches)) { curl_setopt($this->curlHandle, CURLOPT_USERAGENT, drupal_generate_test_ua($matches[0])); } } /** * Initializes and executes a cURL request. * * @param $curl_options * An associative array of cURL options to set, where the keys are constants * defined by the cURL library. For a list of valid options, see * http://www.php.net/manual/function.curl-setopt.php * @param $redirect * FALSE if this is an initial request, TRUE if this request is the result * of a redirect. * * @return * The content returned from the call to curl_exec(). * * @see curlInitialize() */ protected function curlExec($curl_options, $redirect = FALSE) { $this->curlInitialize(); // cURL incorrectly handles URLs with a fragment by including the // fragment in the request to the server, causing some web servers // to reject the request citing "400 - Bad Request". To prevent // this, we strip the fragment from the request. // TODO: Remove this for Drupal 8, since fixed in curl 7.20.0. if (!empty($curl_options[CURLOPT_URL]) && strpos($curl_options[CURLOPT_URL], '#')) { $original_url = $curl_options[CURLOPT_URL]; $curl_options[CURLOPT_URL] = strtok($curl_options[CURLOPT_URL], '#'); } $url = empty($curl_options[CURLOPT_URL]) ? curl_getinfo($this->curlHandle, CURLINFO_EFFECTIVE_URL) : $curl_options[CURLOPT_URL]; if (!empty($curl_options[CURLOPT_POST])) { // This is a fix for the Curl library to prevent Expect: 100-continue // headers in POST requests, that may cause unexpected HTTP response // codes from some webservers (like lighttpd that returns a 417 error // code). It is done by setting an empty "Expect" header field that is // not overwritten by Curl. $curl_options[CURLOPT_HTTPHEADER][] = 'Expect:'; } curl_setopt_array($this->curlHandle, $this->additionalCurlOptions + $curl_options); if (!$redirect) { // Reset headers, the session ID and the redirect counter. $this->session_id = NULL; $this->headers = array(); $this->redirect_count = 0; } $content = curl_exec($this->curlHandle); $status = curl_getinfo($this->curlHandle, CURLINFO_HTTP_CODE); // cURL incorrectly handles URLs with fragments, so instead of // letting cURL handle redirects we take of them ourselves to // to prevent fragments being sent to the web server as part // of the request. // TODO: Remove this for Drupal 8, since fixed in curl 7.20.0. if (in_array($status, array(300, 301, 302, 303, 305, 307)) && $this->redirect_count < variable_get('simpletest_maximum_redirects', 5)) { if ($this->drupalGetHeader('location')) { $this->redirect_count++; $curl_options = array(); $curl_options[CURLOPT_URL] = $this->drupalGetHeader('location'); $curl_options[CURLOPT_HTTPGET] = TRUE; return $this->curlExec($curl_options, TRUE); } } $this->drupalSetContent($content, isset($original_url) ? $original_url : curl_getinfo($this->curlHandle, CURLINFO_EFFECTIVE_URL)); $message_vars = array( '!method' => !empty($curl_options[CURLOPT_NOBODY]) ? 'HEAD' : (empty($curl_options[CURLOPT_POSTFIELDS]) ? 'GET' : 'POST'), '@url' => isset($original_url) ? $original_url : $url, '@status' => $status, '!length' => format_size(strlen($this->drupalGetContent())) ); $message = t('!method @url returned @status (!length).', $message_vars); $this->assertTrue($this->drupalGetContent() !== FALSE, $message, t('Browser')); return $this->drupalGetContent(); } /** * Reads headers and registers errors received from the tested site. * * @see _drupal_log_error(). * * @param $curlHandler * The cURL handler. * @param $header * An header. */ protected function curlHeaderCallback($curlHandler, $header) { // Header fields can be extended over multiple lines by preceding each // extra line with at least one SP or HT. They should be joined on receive. // Details are in RFC2616 section 4. if ($header[0] == ' ' || $header[0] == "\t") { // Normalize whitespace between chucks. $this->headers[] = array_pop($this->headers) . ' ' . trim($header); } else { $this->headers[] = $header; } // Errors are being sent via X-Drupal-Assertion-* headers, // generated by _drupal_log_error() in the exact form required // by DrupalWebTestCase::error(). if (preg_match('/^X-Drupal-Assertion-[0-9]+: (.*)$/', $header, $matches)) { // Call DrupalWebTestCase::error() with the parameters from the header. call_user_func_array(array(&$this, 'error'), unserialize(urldecode($matches[1]))); } // Save cookies. if (preg_match('/^Set-Cookie: ([^=]+)=(.+)/', $header, $matches)) { $name = $matches[1]; $parts = array_map('trim', explode(';', $matches[2])); $value = array_shift($parts); $this->cookies[$name] = array('value' => $value, 'secure' => in_array('secure', $parts)); if ($name == $this->session_name) { if ($value != 'deleted') { $this->session_id = $value; } else { $this->session_id = NULL; } } } // This is required by cURL. return strlen($header); } /** * Close the cURL handler and unset the handler. */ protected function curlClose() { if (isset($this->curlHandle)) { curl_close($this->curlHandle); unset($this->curlHandle); } } /** * Parse content returned from curlExec using DOM and SimpleXML. * * @return * A SimpleXMLElement or FALSE on failure. */ protected function parse() { if (!$this->elements) { // DOM can load HTML soup. But, HTML soup can throw warnings, suppress // them. $htmlDom = new DOMDocument(); @$htmlDom->loadHTML($this->drupalGetContent()); if ($htmlDom) { $this->pass(t('Valid HTML found on "@path"', array('@path' => $this->getUrl())), t('Browser')); // It's much easier to work with simplexml than DOM, luckily enough // we can just simply import our DOM tree. $this->elements = simplexml_import_dom($htmlDom); } } if (!$this->elements) { $this->fail(t('Parsed page successfully.'), t('Browser')); } return $this->elements; } /** * Retrieves a Drupal path or an absolute path. * * @param $path * Drupal path or URL to load into internal browser * @param $options * Options to be forwarded to url(). * @param $headers * An array containing additional HTTP request headers, each formatted as * "name: value". * @return * The retrieved HTML string, also available as $this->drupalGetContent() */ protected function drupalGet($path, array $options = array(), array $headers = array()) { $options['absolute'] = TRUE; // We re-using a CURL connection here. If that connection still has certain // options set, it might change the GET into a POST. Make sure we clear out // previous options. $out = $this->curlExec(array(CURLOPT_HTTPGET => TRUE, CURLOPT_URL => url($path, $options), CURLOPT_NOBODY => FALSE, CURLOPT_HTTPHEADER => $headers)); $this->refreshVariables(); // Ensure that any changes to variables in the other thread are picked up. // Replace original page output with new output from redirected page(s). if ($new = $this->checkForMetaRefresh()) { $out = $new; } $this->verbose('GET request to: ' . $path . '
Ending URL: ' . $this->getUrl() . '
' . $out); return $out; } /** * Retrieve a Drupal path or an absolute path and JSON decode the result. */ protected function drupalGetAJAX($path, array $options = array(), array $headers = array()) { return drupal_json_decode($this->drupalGet($path, $options, $headers)); } /** * Execute a POST request on a Drupal page. * It will be done as usual POST request with SimpleBrowser. * * @param $path * Location of the post form. Either a Drupal path or an absolute path or * NULL to post to the current page. For multi-stage forms you can set the * path to NULL and have it post to the last received page. Example: * * @code * // First step in form. * $edit = array(...); * $this->drupalPost('some_url', $edit, t('Save')); * * // Second step in form. * $edit = array(...); * $this->drupalPost(NULL, $edit, t('Save')); * @endcode * @param $edit * Field data in an associative array. Changes the current input fields * (where possible) to the values indicated. A checkbox can be set to * TRUE to be checked and FALSE to be unchecked. Note that when a form * contains file upload fields, other fields cannot start with the '@' * character. * * Multiple select fields can be set using name[] and setting each of the * possible values. Example: * @code * $edit = array(); * $edit['name[]'] = array('value1', 'value2'); * @endcode * @param $submit * Value of the submit button whose click is to be emulated. For example, * t('Save'). The processing of the request depends on this value. For * example, a form may have one button with the value t('Save') and another * button with the value t('Delete'), and execute different code depending * on which one is clicked. * * This function can also be called to emulate an Ajax submission. In this * case, this value needs to be an array with the following keys: * - path: A path to submit the form values to for Ajax-specific processing, * which is likely different than the $path parameter used for retrieving * the initial form. Defaults to 'system/ajax'. * - triggering_element: If the value for the 'path' key is 'system/ajax' or * another generic Ajax processing path, this needs to be set to the name * of the element. If the name doesn't identify the element uniquely, then * this should instead be an array with a single key/value pair, * corresponding to the element name and value. The callback for the * generic Ajax processing path uses this to find the #ajax information * for the element, including which specific callback to use for * processing the request. * * This can also be set to NULL in order to emulate an Internet Explorer * submission of a form with a single text field, and pressing ENTER in that * textfield: under these conditions, no button information is added to the * POST data. * @param $options * Options to be forwarded to url(). * @param $headers * An array containing additional HTTP request headers, each formatted as * "name: value". * @param $form_html_id * (optional) HTML ID of the form to be submitted. On some pages * there are many identical forms, so just using the value of the submit * button is not enough. For example: 'trigger-node-presave-assign-form'. * Note that this is not the Drupal $form_id, but rather the HTML ID of the * form, which is typically the same thing but with hyphens replacing the * underscores. * @param $extra_post * (optional) A string of additional data to append to the POST submission. * This can be used to add POST data for which there are no HTML fields, as * is done by drupalPostAJAX(). This string is literally appended to the * POST data, so it must already be urlencoded and contain a leading "&" * (e.g., "&extra_var1=hello+world&extra_var2=you%26me"). */ protected function drupalPost($path, $edit, $submit, array $options = array(), array $headers = array(), $form_html_id = NULL, $extra_post = NULL) { $submit_matches = FALSE; $ajax = is_array($submit); if (isset($path)) { $this->drupalGet($path, $options); } if ($this->parse()) { $edit_save = $edit; // Let's iterate over all the forms. $xpath = "//form"; if (!empty($form_html_id)) { $xpath .= "[@id='" . $form_html_id . "']"; } $forms = $this->xpath($xpath); foreach ($forms as $form) { // We try to set the fields of this form as specified in $edit. $edit = $edit_save; $post = array(); $upload = array(); $submit_matches = $this->handleForm($post, $edit, $upload, $ajax ? NULL : $submit, $form); $action = isset($form['action']) ? $this->getAbsoluteUrl((string) $form['action']) : $this->getUrl(); if ($ajax) { $action = $this->getAbsoluteUrl(!empty($submit['path']) ? $submit['path'] : 'system/ajax'); // Ajax callbacks verify the triggering element if necessary, so while // we may eventually want extra code that verifies it in the // handleForm() function, it's not currently a requirement. $submit_matches = TRUE; } // We post only if we managed to handle every field in edit and the // submit button matches. if (!$edit && ($submit_matches || !isset($submit))) { $post_array = $post; if ($upload) { // TODO: cURL handles file uploads for us, but the implementation // is broken. This is a less than elegant workaround. Alternatives // are being explored at #253506. foreach ($upload as $key => $file) { $file = drupal_realpath($file); if ($file && is_file($file)) { $post[$key] = '@' . $file; } } } else { foreach ($post as $key => $value) { // Encode according to application/x-www-form-urlencoded // Both names and values needs to be urlencoded, according to // http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4.1 $post[$key] = urlencode($key) . '=' . urlencode($value); } $post = implode('&', $post) . $extra_post; } $out = $this->curlExec(array(CURLOPT_URL => $action, CURLOPT_POST => TRUE, CURLOPT_POSTFIELDS => $post, CURLOPT_HTTPHEADER => $headers)); // Ensure that any changes to variables in the other thread are picked up. $this->refreshVariables(); // Replace original page output with new output from redirected page(s). if ($new = $this->checkForMetaRefresh()) { $out = $new; } $this->verbose('POST request to: ' . $path . '
Ending URL: ' . $this->getUrl() . '
Fields: ' . highlight_string('' . $out); return $out; } } // We have not found a form which contained all fields of $edit. foreach ($edit as $name => $value) { $this->fail(t('Failed to set field @name to @value', array('@name' => $name, '@value' => $value))); } if (!$ajax && isset($submit)) { $this->assertTrue($submit_matches, t('Found the @submit button', array('@submit' => $submit))); } $this->fail(t('Found the requested form fields at @path', array('@path' => $path))); } } /** * Execute an Ajax submission. * * This executes a POST as ajax.js does. It uses the returned JSON data, an * array of commands, to update $this->content using equivalent DOM * manipulation as is used by ajax.js. It also returns the array of commands. * * @param $path * Location of the form containing the Ajax enabled element to test. Can be * either a Drupal path or an absolute path or NULL to use the current page. * @param $edit * Field data in an associative array. Changes the current input fields * (where possible) to the values indicated. * @param $triggering_element * The name of the form element that is responsible for triggering the Ajax * functionality to test. May be a string or, if the triggering element is * a button, an associative array where the key is the name of the button * and the value is the button label. i.e.) array('op' => t('Refresh')). * @param $ajax_path * (optional) Override the path set by the Ajax settings of the triggering * element. In the absence of both the triggering element's Ajax path and * $ajax_path 'system/ajax' will be used. * @param $options * (optional) Options to be forwarded to url(). * @param $headers * (optional) An array containing additional HTTP request headers, each * formatted as "name: value". Forwarded to drupalPost(). * @param $form_html_id * (optional) HTML ID of the form to be submitted, use when there is more * than one identical form on the same page and the value of the triggering * element is not enough to identify the form. Note this is not the Drupal * ID of the form but rather the HTML ID of the form. * @param $ajax_settings * (optional) An array of Ajax settings which if specified will be used in * place of the Ajax settings of the triggering element. * * @return * An array of Ajax commands. * * @see drupalPost() * @see ajax.js */ protected function drupalPostAJAX($path, $edit, $triggering_element, $ajax_path = NULL, array $options = array(), array $headers = array(), $form_html_id = NULL, $ajax_settings = NULL) { // Get the content of the initial page prior to calling drupalPost(), since // drupalPost() replaces $this->content. if (isset($path)) { $this->drupalGet($path, $options); } $content = $this->content; $drupal_settings = $this->drupalSettings; // Get the Ajax settings bound to the triggering element. if (!isset($ajax_settings)) { if (is_array($triggering_element)) { $xpath = '//*[@name="' . key($triggering_element) . '" and @value="' . current($triggering_element) . '"]'; } else { $xpath = '//*[@name="' . $triggering_element . '"]'; } if (isset($form_html_id)) { $xpath = '//form[@id="' . $form_html_id . '"]' . $xpath; } $element = $this->xpath($xpath); $element_id = (string) $element[0]['id']; $ajax_settings = $drupal_settings['ajax'][$element_id]; } // Add extra information to the POST data as ajax.js does. $extra_post = ''; if (isset($ajax_settings['submit'])) { foreach ($ajax_settings['submit'] as $key => $value) { $extra_post .= '&' . urlencode($key) . '=' . urlencode($value); } } foreach ($this->xpath('//*[@id]') as $element) { $id = (string) $element['id']; $extra_post .= '&' . urlencode('ajax_html_ids[]') . '=' . urlencode($id); } if (isset($drupal_settings['ajaxPageState'])) { $extra_post .= '&' . urlencode('ajax_page_state[theme]') . '=' . urlencode($drupal_settings['ajaxPageState']['theme']); $extra_post .= '&' . urlencode('ajax_page_state[theme_token]') . '=' . urlencode($drupal_settings['ajaxPageState']['theme_token']); foreach ($drupal_settings['ajaxPageState']['css'] as $key => $value) { $extra_post .= '&' . urlencode("ajax_page_state[css][$key]") . '=1'; } foreach ($drupal_settings['ajaxPageState']['js'] as $key => $value) { $extra_post .= '&' . urlencode("ajax_page_state[js][$key]") . '=1'; } } // Unless a particular path is specified, use the one specified by the // Ajax settings, or else 'system/ajax'. if (!isset($ajax_path)) { $ajax_path = isset($ajax_settings['url']) ? $ajax_settings['url'] : 'system/ajax'; } // Submit the POST request. $return = drupal_json_decode($this->drupalPost(NULL, $edit, array('path' => $ajax_path, 'triggering_element' => $triggering_element), $options, $headers, $form_html_id, $extra_post)); // Change the page content by applying the returned commands. if (!empty($ajax_settings) && !empty($return)) { // ajax.js applies some defaults to the settings object, so do the same // for what's used by this function. $ajax_settings += array( 'method' => 'replaceWith', ); // DOM can load HTML soup. But, HTML soup can throw warnings, suppress // them. $dom = new DOMDocument(); @$dom->loadHTML($content); // XPath allows for finding wrapper nodes better than DOM does. $xpath = new DOMXPath($dom); foreach ($return as $command) { switch ($command['command']) { case 'settings': $drupal_settings = drupal_array_merge_deep($drupal_settings, $command['settings']); break; case 'insert': $wrapperNode = NULL; // When a command doesn't specify a selector, use the // #ajax['wrapper'] which is always an HTML ID. if (!isset($command['selector'])) { $wrapperNode = $xpath->query('//*[@id="' . $ajax_settings['wrapper'] . '"]')->item(0); } // @todo Ajax commands can target any jQuery selector, but these are // hard to fully emulate with XPath. For now, just handle 'head' // and 'body', since these are used by ajax_render(). elseif (in_array($command['selector'], array('head', 'body'))) { $wrapperNode = $xpath->query('//' . $command['selector'])->item(0); } if ($wrapperNode) { // ajax.js adds an enclosing DIV to work around a Safari bug. $newDom = new DOMDocument(); $newDom->loadHTML('
' . $command['data'] . '
'); $newNode = $dom->importNode($newDom->documentElement->firstChild->firstChild, TRUE); $method = isset($command['method']) ? $command['method'] : $ajax_settings['method']; // The "method" is a jQuery DOM manipulation function. Emulate // each one using PHP's DOMNode API. switch ($method) { case 'replaceWith': $wrapperNode->parentNode->replaceChild($newNode, $wrapperNode); break; case 'append': $wrapperNode->appendChild($newNode); break; case 'prepend': // If no firstChild, insertBefore() falls back to // appendChild(). $wrapperNode->insertBefore($newNode, $wrapperNode->firstChild); break; case 'before': $wrapperNode->parentNode->insertBefore($newNode, $wrapperNode); break; case 'after': // If no nextSibling, insertBefore() falls back to // appendChild(). $wrapperNode->parentNode->insertBefore($newNode, $wrapperNode->nextSibling); break; case 'html': foreach ($wrapperNode->childNodes as $childNode) { $wrapperNode->removeChild($childNode); } $wrapperNode->appendChild($newNode); break; } } break; // @todo Add suitable implementations for these commands in order to // have full test coverage of what ajax.js can do. case 'remove': break; case 'changed': break; case 'css': break; case 'data': break; case 'restripe': break; } } $content = $dom->saveHTML(); } $this->drupalSetContent($content); $this->drupalSetSettings($drupal_settings); return $return; } /** * Runs cron in the Drupal installed by Simpletest. */ protected function cronRun() { $this->drupalGet($GLOBALS['base_url'] . '/cron.php', array('external' => TRUE, 'query' => array('cron_key' => variable_get('cron_key', 'drupal')))); } /** * Check 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. * * @return * Either the new page content or FALSE. */ protected function checkForMetaRefresh() { if (strpos($this->drupalGetContent(), 'parse()) { $refresh = $this->xpath('//meta[@http-equiv="Refresh"]'); if (!empty($refresh)) { // Parse the content attribute of the meta tag for the format: // "[delay]: URL=[page_to_redirect_to]". if (preg_match('/\d+;\s*URL=(?P.*)/i', $refresh[0]['content'], $match)) { return $this->drupalGet($this->getAbsoluteUrl(decode_entities($match['url']))); } } } return FALSE; } /** * Retrieves only the headers for a Drupal path or an absolute path. * * @param $path * Drupal path or URL to load into internal browser * @param $options * Options to be forwarded to url(). * @param $headers * An array containing additional HTTP request headers, each formatted as * "name: value". * @return * The retrieved headers, also available as $this->drupalGetContent() */ protected function drupalHead($path, array $options = array(), array $headers = array()) { $options['absolute'] = TRUE; $out = $this->curlExec(array(CURLOPT_NOBODY => TRUE, CURLOPT_URL => url($path, $options), CURLOPT_HTTPHEADER => $headers)); $this->refreshVariables(); // Ensure that any changes to variables in the other thread are picked up. return $out; } /** * Handle 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. * * @param $post * Reference to array of post values. * @param $edit * Reference to array of edit values to be checked against the form. * @param $submit * Form submit button value. * @param $form * Array of form elements. * @return * Submit value matches a valid submit input in the form. */ protected function handleForm(&$post, &$edit, &$upload, $submit, $form) { // Retrieve the form elements. $elements = $form->xpath('.//input[not(@disabled)]|.//textarea[not(@disabled)]|.//select[not(@disabled)]'); $submit_matches = FALSE; foreach ($elements as $element) { // SimpleXML objects need string casting all the time. $name = (string) $element['name']; // This can either be the type of or the name of the tag itself // for