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drupal/modules/simpletest/drupal_web_test_case.php

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<?php
// $Id$
/**
* Base class for Drupal tests.
*
* Do not extend this class, use one of the subclasses in this file.
*/
abstract class DrupalTestCase {
/**
* The test run ID.
*
* @var string
*/
protected $testId;
/**
* The original database prefix, before it was changed for testing purposes.
*
* @var string
*/
protected $originalPrefix = NULL;
/**
* The original file directory, before it was changed for testing purposes.
*
* @var string
*/
protected $originalFileDirectory = NULL;
/**
* Time limit for the test.
*/
protected $timeLimit = 180;
/**
* Current results of this test case.
*
* @var Array
*/
public $results = array(
'#pass' => 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);
/**
* Constructor for DrupalWebTestCase.
*
* @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) {
global $db_prefix;
// Convert boolean status to string status.
if (is_bool($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();
}
// Switch to non-testing database to store results in.
$current_db_prefix = $db_prefix;
$db_prefix = $this->originalPrefix;
// 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' => $caller['file'],
);
// Store assertion for display after the test has completed.
db_insert('simpletest')
->fields($assertion)
->execute();
// Return to testing prefix.
$db_prefix = $current_db_prefix;
// We do not use a ternary operator here to allow a breakpoint on
// test failure.
if ($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.
*
* @see DrupalTestCase::assert()
*/
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' => $caller['file'],
);
db_insert('simpletest')
->fields($assertion)
->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 is 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 is FALSE'), $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 is NULL'), $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 is not NULL'), $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('First value is equal to second value'), $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('First value is not equal to second value'), $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('First value is identical to second value'), $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('First value is not identical to second value'), $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, $caller);
}
/**
* Run all tests in this class.
*/
public function run() {
// Initialize verbose debugging.
simpletest_verbose(NULL, file_directory_path(), get_class($this));
// HTTP auth settings (<username>:<password>) for the simpletest browser
// when sending requests to the test site.
$username = variable_get('simpletest_username', NULL);
$password = variable_get('simpletest_password', NULL);
if ($username && $password) {
$this->httpauth_credentials = $username . ':' . $password;
}
set_error_handler(array($this, 'errorHandler'));
$methods = array();
// Iterate through all the methods in this class.
foreach (get_class_methods(get_class($this)) as $method) {
// If the current method starts with "test", run it - it's a test.
if (strtolower(substr($method, 0, 4)) == 'test') {
$this->setUp();
try {
$this->$method();
// Finish up.
}
catch (Exception $e) {
$this->exceptionHandler($e);
}
$this->tearDown();
}
}
// Clear out the error messages and restore error handler.
drupal_get_messages();
restore_error_handler();
}
/**
* Handle errors.
*
* Because this is registered in set_error_handler(), it has to be public.
* @see set_error_handler
*
*/
public function errorHandler($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(),
));
$this->error($exception->getMessage(), '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 misc
* characters. Use this method when testing general input where the content
* is not restricted.
*
* @param $length
* Length of random string to generate which will be appended to $db_prefix.
* @return
* Randomly generated string.
*/
public static function randomString($length = 8) {
global $db_prefix;
$str = '';
for ($i = 0; $i < $length; $i++) {
$str .= chr(mt_rand(32, 126));
}
return str_replace('simpletest', 's', $db_prefix) . $str;
}
/**
* Generates a random string containing letters and numbers.
*
* 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 (ie without
* spaces and non-standard characters) this method is best.
*
* @param $length
* Length of random string to generate which will be appended to $db_prefix.
* @return
* Randomly generated string.
*/
public static function randomName($length = 8) {
global $db_prefix;
$values = array_merge(range(65, 90), range(97, 122), range(48, 57));
$max = count($values) - 1;
$str = '';
for ($i = 0; $i < $length; $i++) {
$str .= chr($values[mt_rand(0, $max)]);
}
return str_replace('simpletest', 's', $db_prefix) . $str;
}
}
/**
* Test case for Drupal unit tests.
*
* These tests can not access the database nor files. Calling any Drupal
* function that needs the database will throw exceptions. These include
* watchdog(), drupal_function_exists(), module_implements(),
* module_invoke_all() etc.
*/
class DrupalUnitTestCase extends DrupalTestCase {
/**
* Constructor for DrupalUnitTestCase.
*/
function __construct($test_id = NULL) {
parent::__construct($test_id);
$this->skipClasses[__CLASS__] = TRUE;
}
function setUp() {
global $db_prefix, $conf;
// Store necessary current values before switching to prefixed database.
$this->originalPrefix = $db_prefix;
$this->originalFileDirectory = file_directory_path();
// Generate temporary prefixed database to ensure that tests have a clean starting point.
$db_prefix = Database::getConnection()->prefixTables('{simpletest' . mt_rand(1000, 1000000) . '}');
$conf['file_directory_path'] = $this->originalFileDirectory . '/' . $db_prefix;
// 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, $module_list);
}
}
function tearDown() {
global $db_prefix, $conf;
if (preg_match('/simpletest\d+/', $db_prefix)) {
$conf['file_directory_path'] = $this->originalFileDirectory;
// Return the database prefix to the original.
$db_prefix = $this->originalPrefix;
// Restore modules if necessary.
if (isset($this->originalModuleList)) {
module_list(TRUE, FALSE, $this->originalModuleList);
}
}
}
}
/**
* Test case for typical Drupal tests.
*/
class DrupalWebTestCase extends DrupalTestCase {
/**
* 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 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;
/**
* HTTP authentication credentials (<username>:<password>).
*/
protected $httpauth_credentials = NULL;
/**
* The current session name, if available.
*/
protected $session_name = NULL;
/**
* The current session ID, if available.
*/
protected $session_id = NULL;
/**
* Constructor for DrupalWebTestCase.
*/
function __construct($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().
*
* @return
* A node object matching $title.
*/
function drupalGetNodeByTitle($title) {
$nodes = node_load_multiple(array(), array('title' => $title));
// 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(array()),
'title' => $this->randomName(8),
'comment' => 2,
'changed' => REQUEST_TIME,
'moderate' => 0,
'promote' => 0,
'revision' => 1,
'log' => '',
'status' => 1,
'sticky' => 0,
'type' => 'page',
'revisions' => NULL,
'taxonomy' => NULL,
);
// Use the original node's created time for existing nodes.
if (isset($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_FORMAT_DEFAULT
);
$settings['body'][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,
'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();
$this->assertEqual($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) {
$files = array();
// Make sure type is valid.
if (in_array($type, array('binary', 'html', 'image', 'javascript', 'php', 'sql', 'text'))) {
// Use original file directory instead of one created during setUp().
$path = $this->originalFileDirectory . '/simpletest';
$files = file_scan_directory($path, '/' . $type . '\-.*/');
// If size is set then remove any files that are not of that size.
if ($size !== NULL) {
foreach ($files as $file) {
$stats = stat($file->filepath);
if ($stats['size'] != $size) {
unset($files[$file->filepath]);
}
}
}
}
usort($files, array($this, 'drupalCompareFiles'));
return $files;
}
/**
* Compare two files based on size and file name.
*/
protected function drupalCompareFiles($file1, $file2) {
$compare_size = filesize($file1->filepath) - filesize($file2->filepath);
if ($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. The permissions correspond to the
* names given on the privileges page.
*
* @param $permissions
* Array of permission names to assign to user.
* @return
* A fully loaded user object with pass_raw property, or FALSE if account
* creation fails.
*/
protected function drupalCreateUser($permissions = array('access comments', 'access content', 'post comments', 'post comments without approval')) {
// Create a role with the given permission set.
if (!($rid = $this->drupalCreateRole($permissions))) {
return FALSE;
}
// Create a user assigned to that role.
$edit = array();
$edit['name'] = $this->randomName();
$edit['mail'] = $edit['name'] . '@example.com';
$edit['roles'] = array($rid => $rid);
$edit['pass'] = user_password();
$edit['status'] = 1;
$account = user_save('', $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 = $this->randomName();
}
if (!$this->checkPermissions($permissions)) {
return FALSE;
}
// Create new role.
db_insert('role')
->fields(array('name' => $name))
->execute();
$role = db_query('SELECT * FROM {role} WHERE name = :name', array(':name' => $name))->fetchObject();
$this->assertTrue($role, 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)) {
// Assign permissions to role and mark it for clean-up.
$query = db_insert('role_permission')->fields(array('rid', 'permission'));
foreach ($permissions as $permission_string) {
$query->values(array(
'rid' => $role->rid,
'permission' => $permission_string,
));
}
$query->execute();
$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 login 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 $user
* User object representing the user to login.
*
* @see drupalCreateUser()
*/
protected function drupalLogin(stdClass $user) {
if ($this->loggedInUser) {
$this->drupalLogout();
}
$edit = array(
'name' => $user->name,
'pass' => $user->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' => $user->name)), t('User login'));
if ($pass) {
$this->loggedInUser = $user;
}
}
/**
* Generate a token for the currently logged in user.
*/
protected function drupalGetToken($value = '') {
$private_key = drupal_get_private_key();
return md5($this->session_id . $value . $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', array('query' => 'destination=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 random database prefix, runs the install scripts on the
* prefixed database and enable the specified modules. After installation
* many caches are flushed and the internal browser is setup so that the
* page requests will run on the new prefix. A temporary files directory
* is created with the same name as the database prefix.
*
* @param ...
* List of modules to enable for the duration of the test.
*/
protected function setUp() {
global $db_prefix, $user, $language;
// Store necessary current values before switching to prefixed database.
$this->originalLanguage = $language;
$this->originalLanguageDefault = variable_get('language_default');
$this->originalPrefix = $db_prefix;
$this->originalFileDirectory = file_directory_path();
$clean_url_original = variable_get('clean_url', 0);
// Generate temporary prefixed database to ensure that tests have a clean starting point.
$db_prefix_new = Database::getConnection()->prefixTables('{simpletest' . mt_rand(1000, 1000000) . '}');
db_update('simpletest_test_id')
->fields(array('last_prefix' => $db_prefix_new))
->condition('test_id', $this->testId)
->execute();
$db_prefix = $db_prefix_new;
// Create test directory ahead of installation so fatal errors and debug
// information can be logged during installation process.
$directory = $this->originalFileDirectory . '/simpletest/' . substr($db_prefix, 10);
file_check_directory($directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS);
// Log fatal errors.
ini_set('log_errors', 1);
ini_set('error_log', $directory . '/error.log');
include_once DRUPAL_ROOT . '/includes/install.inc';
drupal_install_system();
$this->preloadRegistry();
// Include the default profile
require_once('./profiles/default/default.profile');
$profile_details = install_profile_info('default', 'en');
// Add the specified modules to the list of modules in the default profile.
// Install the modules specified by the default profile.
drupal_install_modules($profile_details['dependencies'], TRUE);
node_type_clear();
// Install additional modules one at a time in order to make sure that the
// list of modules is updated between each module's installation.
$modules = func_get_args();
foreach ($modules as $module) {
drupal_install_modules(array($module), TRUE);
}
// Because the schema is static cached, we need to flush
// it between each run. If we don't, then it will contain
// stale data for the previous run's database prefix and all
// calls to it will fail.
drupal_get_schema(NULL, TRUE);
// Run default profile tasks.
$install_state = array();
default_profile_site_setup($install_state);
// Rebuild caches.
node_types_rebuild();
actions_synchronize();
_drupal_flush_css_js();
$this->refreshVariables();
$this->checkPermissions(array(), TRUE);
// Log in with a clean $user.
$this->originalUser = $user;
drupal_save_session(FALSE);
$user = user_load(1);
// Restore necessary variables.
variable_set('install_profile', 'default');
variable_set('install_task', 'done');
variable_set('clean_url', $clean_url_original);
variable_set('site_mail', 'simpletest@example.com');
// Set up English language.
unset($GLOBALS['conf']['language_default']);
$language = language_default();
// Make sure our drupal_mail_wrapper function is called instead of the
// default mail handler.
variable_set('smtp_library', drupal_get_path('module', 'simpletest') . '/drupal_web_test_case.php');
// Use temporary files directory with the same prefix as database. The
// directory will have been created already.
variable_set('file_directory_path', $directory);
drupal_set_time_limit($this->timeLimit);
}
/**
* This method is called by DrupalWebTestCase::setUp, and preloads the
* registry from the testing site to cut down on the time it takes to
* setup a clean environment for the current test run.
*/
protected function preloadRegistry() {
db_query('INSERT INTO {registry} SELECT * FROM ' . $this->originalPrefix . 'registry');
db_query('INSERT INTO {registry_file} SELECT * FROM ' . $this->originalPrefix . 'registry_file');
}
/**
* 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');
$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 $db_prefix, $user, $language;
// In case a fatal error occured that was not in the test process read the
// log to pick up any fatal errors.
$db_prefix_temp = $db_prefix;
$db_prefix = $this->originalPrefix;
simpletest_log_read($this->testId, $db_prefix, get_class($this), TRUE);
$db_prefix = $db_prefix_temp;
$emailCount = count(variable_get('simpletest_emails', array()));
if ($emailCount) {
$message = format_plural($emailCount, t('!count e-mail was sent during this test.'), t('!count e-mails were sent during this test.'), array('!count' => $emailCount));
$this->pass($message, t('E-mail'));
}
if (preg_match('/simpletest\d+/', $db_prefix)) {
// Delete temporary files directory and reset files directory path.
file_unmanaged_delete_recursive(file_directory_path());
variable_set('file_directory_path', $this->originalFileDirectory);
// Remove all prefixed tables (all the tables in the schema).
$schema = drupal_get_schema(NULL, TRUE);
$ret = array();
foreach ($schema as $name => $table) {
db_drop_table($ret, $name);
}
// Return the database prefix to the original.
$db_prefix = $this->originalPrefix;
// 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(MODULE_IMPLEMENTS_CLEAR_CACHE);
// Reset the Field API.
field_cache_clear();
// Rebuild caches.
$this->refreshVariables();
// 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, $db_prefix;
if (!isset($this->curlHandle)) {
$this->curlHandle = curl_init();
$curl_options = $this->additionalCurlOptions + array(
CURLOPT_COOKIEJAR => $this->cookieFile,
CURLOPT_URL => $base_url,
CURLOPT_FOLLOWLOCATION => TRUE,
CURLOPT_MAXREDIRS => 5,
CURLOPT_RETURNTRANSFER => TRUE,
CURLOPT_SSL_VERIFYPEER => FALSE, // Required to make the tests run on https.
CURLOPT_SSL_VERIFYHOST => FALSE, // Required to make the tests run on https.
CURLOPT_HEADERFUNCTION => array(&$this, 'curlHeaderCallback'),
);
if (isset($this->httpauth_credentials)) {
$curl_options[CURLOPT_USERPWD] = $this->httpauth_credentials;
}
curl_setopt_array($this->curlHandle, $this->additionalCurlOptions + $curl_options);
// 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+/', $db_prefix, $matches)) {
curl_setopt($this->curlHandle, CURLOPT_USERAGENT, drupal_generate_test_ua($matches[0]));
}
}
/**
* Performs a cURL exec with the specified options after calling curlConnect().
*
* @param $curl_options
* Custom cURL options.
* @return
* Content returned from the exec.
*/
protected function curlExec($curl_options) {
$this->curlInitialize();
$url = empty($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);
// Reset headers and the session ID.
$this->session_id = NULL;
$this->headers = array();
$this->drupalSetContent(curl_exec($this->curlHandle), 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' => $url,
'@status' => curl_getinfo($this->curlHandle, CURLINFO_HTTP_CODE),
'!length' => format_size(strlen($this->content))
);
$message = t('!method @url returned @status (!length).', $message_vars);
$this->assertTrue($this->content !== 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) {
$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($matches[1])));
}
// Save the session cookie, if set.
if (preg_match('/^Set-Cookie: ' . preg_quote($this->session_name) . '=([a-z90-9]+)/', $header, $matches)) {
if ($matches[1] != 'deleted') {
$this->session_id = $matches[1];
}
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.
@$htmlDom = DOMDocument::loadHTML($this->content);
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 .
'<hr />Ending URL: ' . $this->getUrl() .
'<hr />' . $out);
return $out;
}
/**
* 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:
*
* // 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'));
* @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:
* $edit = array();
* $edit['name[]'] = array('value1', 'value2');
* @param $submit
* Value of the submit button.
* @param $options
* Options to be forwarded to url().
* @param $headers
* An array containing additional HTTP request headers, each formatted as
* "name: value".
*/
protected function drupalPost($path, $edit, $submit, array $options = array(), array $headers = array()) {
$submit_matches = FALSE;
if (isset($path)) {
$html = $this->drupalGet($path, $options);
}
if ($this->parse()) {
$edit_save = $edit;
// Let's iterate over all the forms.
$forms = $this->xpath('//form');
foreach ($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, $submit, $form);
$action = isset($form['action']) ? $this->getAbsoluteUrl($form['action']) : $this->getUrl();
// We post only if we managed to handle every field in edit and the
// submit button matches.
if (!$edit && $submit_matches) {
$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) {
$file = realpath($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);
}
$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 .
'<hr />Ending URL: ' . $this->getUrl() .
'<hr />Fields: ' . highlight_string('<?php ' . var_export($post_array, TRUE), TRUE) .
'<hr />' . $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)));
}
$this->assertTrue($submit_matches, t('Found the @submit button', array('@submit' => $submit)));
$this->fail(t('Found the requested form fields at @path', array('@path' => $path)));
}
}
/**
* Check for meta refresh tag and if found call drupalGet() recursively. This
* function looks for the http-equiv attribute to be set to "Refresh"
* and is case-sensitive.
*
* @return
* Either the new page content or FALSE.
*/
protected function checkForMetaRefresh() {
if ($this->drupalGetContent() != '' && $this->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<url>.*)/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|.//textarea|.//select');
$submit_matches = FALSE;
foreach ($elements as $element) {
// SimpleXML objects need string casting all the time.
$name = (string) $element['name'];
// This can either be the type of <input> or the name of the tag itself
// for <select> or <textarea>.
$type = isset($element['type']) ? (string)$element['type'] : $element->getName();
$value = isset($element['value']) ? (string)$element['value'] : '';
$done = FALSE;
if (isset($edit[$name])) {
switch ($type) {
case 'text':
case 'textarea':
case 'password':
$post[$name] = $edit[$name];
unset($edit[$name]);
break;
case 'radio':
if ($edit[$name] == $value) {
$post[$name] = $edit[$name];
unset($edit[$name]);
}
break;
case 'checkbox':
// To prevent checkbox from being checked.pass in a FALSE,
// otherwise the checkbox will be set to its value regardless
// of $edit.
if ($edit[$name] === FALSE) {
unset($edit[$name]);
continue 2;
}
else {
unset($edit[$name]);
$post[$name] = $value;
}
break;
case 'select':
$new_value = $edit[$name];
$index = 0;
$key = preg_replace('/\[\]$/', '', $name);
$options = $this->getAllOptions($element);
foreach ($options as $option) {
if (is_array($new_value)) {
$option_value= (string)$option['value'];
if (in_array($option_value, $new_value)) {
$post[$key . '[' . $index++ . ']'] = $option_value;
$done = TRUE;
unset($edit[$name]);
}
}
elseif ($new_value == $option['value']) {
$post[$name] = $new_value;
unset($edit[$name]);
$done = TRUE;
}
}
break;
case 'file':
$upload[$name] = $edit[$name];
unset($edit[$name]);
break;
}
}
if (!isset($post[$name]) && !$done) {
switch ($type) {
case 'textarea':
$post[$name] = (string)$element;
break;
case 'select':
$single = empty($element['multiple']);
$first = TRUE;
$index = 0;
$key = preg_replace('/\[\]$/', '', $name);
$options = $this->getAllOptions($element);
foreach ($options as $option) {
// For single select, we load the first option, if there is a
// selected option that will overwrite it later.
if ($option['selected'] || ($first && $single)) {
$first = FALSE;
if ($single) {
$post[$name] = (string)$option['value'];
}
else {
$post[$key . '[' . $index++ . ']'] = (string)$option['value'];
}
}
}
break;
case 'file':
break;
case 'submit':
case 'image':
if ($submit == $value) {
$post[$name] = $value;
$submit_matches = TRUE;
}
break;
case 'radio':
case 'checkbox':
if (!isset($element['checked'])) {
break;
}
// Deliberate no break.
default:
$post[$name] = $value;
}
}
}
return $submit_matches;
}
/**
* Perform an xpath search on the contents of the internal browser. The search
* is relative to the root element (HTML tag normally) of the page.
*
* @param $xpath
* The xpath string to use in the search.
* @return
* The return value of the xpath search. For details on the xpath string
* format and return values see the SimpleXML documentation,
* http://us.php.net/manual/function.simplexml-element-xpath.php.
*/
protected function xpath($xpath) {
if ($this->parse()) {
return $this->elements->xpath($xpath);
}
return FALSE;
}
/**
* Get all option elements, including nested options, in a select.
*
* @param $element
* The element for which to get the options.
* @return
* Option elements in select.
*/
protected function getAllOptions(SimpleXMLElement $element) {
$options = array();
// Add all options items.
foreach ($element->option as $option) {
$options[] = $option;
}
// Search option group children.
if (isset($element->optgroup)) {
foreach ($element->optgroup as $group) {
$options = array_merge($options, $this->getAllOptions($group));
}
}
return $options;
}
/**
* Pass if a link with the specified label is found, and optional with the
* specified index.
*
* @param $label
* Text between the anchor tags.
* @param $index
* Link position counting from zero.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to, defaults to 'Other'.
* @return
* TRUE if the assertion succeeded, FALSE otherwise.
*/
protected function assertLink($label, $index = 0, $message = '', $group = 'Other') {
$links = $this->xpath('//a[text()="' . $label . '"]');
$message = ($message ? $message : t('Link with label "!label" found.', array('!label' => $label)));
return $this->assert(isset($links[$index]), $message, $group);
}
/**
* Pass if a link with the specified label is not found.
*
* @param $label
* Text between the anchor tags.
* @param $index
* Link position counting from zero.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to, defaults to 'Other'.
* @return
* TRUE if the assertion succeeded, FALSE otherwise.
*/
protected function assertNoLink($label, $message = '', $group = 'Other') {
$links = $this->xpath('//a[text()="' . $label . '"]');
$message = ($message ? $message : t('Link with label "!label" not found.', array('!label' => $label)));
return $this->assert(empty($links), $message, $group);
}
/**
* Follows a link by name.
*
* Will click the first link found with this link text by default, or a
* later one if an index is given. Match is case insensitive with
* normalized space. The label is translated label. There is an assert
* for successful click.
*
* @param $label
* Text between the anchor tags.
* @param $index
* Link position counting from zero.
* @return
* Page on success, or FALSE on failure.
*/
protected function clickLink($label, $index = 0) {
$url_before = $this->getUrl();
$urls = $this->xpath('//a[text()="' . $label . '"]');
if (isset($urls[$index])) {
$url_target = $this->getAbsoluteUrl($urls[$index]['href']);
}
$this->assertTrue(isset($urls[$index]), t('Clicked link "!label" (!url_target) from !url_before', array('!label' => $label, '!url_target' => $url_target, '!url_before' => $url_before)), t('Browser'));
if (isset($urls[$index])) {
return $this->drupalGet($url_target);
}
return FALSE;
}
/**
* Takes a path and returns an absolute path.
*
* @param $path
* The path, can be a Drupal path or a site-relative path. It might have a
* query, too. Can even be an absolute path which is just passed through.
* @return
* An absolute path.
*/
protected function getAbsoluteUrl($path) {
$options = array('absolute' => TRUE);
$parts = parse_url($path);
// This is more crude than the menu_is_external but enough here.
if (empty($parts['host'])) {
$path = $parts['path'];
$base_path = base_path();
$n = strlen($base_path);
if (substr($path, 0, $n) == $base_path) {
$path = substr($path, $n);
}
if (isset($parts['query'])) {
$options['query'] = $parts['query'];
}
$path = url($path, $options);
}
return $path;
}
/**
* Get the current url from the cURL handler.
*
* @return
* The current url.
*/
protected function getUrl() {
return $this->url;
}
/**
* Gets 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 page. Headers from all requests may be requested
* by passing TRUE to this function.
*
* @param $all_requests
* Boolean value specifying whether to return headers from all requests
* instead of just the last request. Defaults to FALSE.
* @return
* A name/value array if headers from only the last request are requested.
* If headers from all requests are requested, an array of name/value
* arrays, one for each request.
*
* The pseudonym ":status" is used for the HTTP status line.
*
* Values for duplicate headers are stored as a single comma-separated list.
*/
protected function drupalGetHeaders($all_requests = FALSE) {
$request = 0;
$headers = array($request => array());
foreach ($this->headers as $header) {
$header = trim($header);
if ($header === '') {
$request++;
}
else {
if (strpos($header, 'HTTP/') === 0) {
$name = ':status';
$value = $header;
}
else {
list($name, $value) = explode(':', $header, 2);
$name = strtolower($name);
}
if (isset($headers[$request][$name])) {
$headers[$request][$name] .= ',' . trim($value);
}
else {
$headers[$request][$name] = trim($value);
}
}
}
if (!$all_requests) {
$headers = array_pop($headers);
}
return $headers;
}
/**
* Gets 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 from last to first until the header is
* found.
*
* @param $name
* The name of the header to retrieve. Names are case-insensitive (see RFC
* 2616 section 4.2).
* @param $all_requests
* Boolean value specifying whether to check all requests if the header is
* not found in the last request. Defaults to FALSE.
* @return
* The HTTP header value or FALSE if not found.
*/
protected function drupalGetHeader($name, $all_requests = FALSE) {
$name = strtolower($name);
$header = FALSE;
if ($all_requests) {
foreach (array_reverse($this->drupalGetHeaders(TRUE)) as $headers) {
if (isset($headers[$name])) {
$header = $headers[$name];
break;
}
}
}
else {
$headers = $this->drupalGetHeaders();
if (isset($headers[$name])) {
$header = $headers[$name];
}
}
return $header;
}
/**
* Gets the current raw HTML of requested page.
*/
protected function drupalGetContent() {
return $this->content;
}
/**
* Gets an array containing all e-mails sent during this test case.
*
* @param $filter
* An array containing key/value pairs used to filter the e-mails that are returned.
* @return
* An array containing e-mail messages captured during the current test.
*/
protected function drupalGetMails($filter = array()) {
$captured_emails = variable_get('simpletest_emails', array());
$filtered_emails = array();
foreach ($captured_emails as $message) {
foreach ($filter as $key => $value) {
if (!isset($message[$key]) || $message[$key] != $value) {
continue 2;
}
}
$filtered_emails[] = $message;
}
return $filtered_emails;
}
/**
* Sets the raw HTML content. This can be useful when a page has been fetched
* outside of the internal browser and assertions need to be made on the
* returned page.
*
* A good example would be when testing drupal_http_request(). After fetching
* the page the content can be set and page elements can be checked to ensure
* that the function worked properly.
*/
protected function drupalSetContent($content, $url = 'internal:') {
$this->content = $content;
$this->url = $url;
$this->plainTextContent = FALSE;
$this->elements = FALSE;
}
/**
* Pass if the raw text IS found on the loaded page, fail otherwise. Raw text
* refers to the raw HTML that the page generated.
*
* @param $raw
* Raw (HTML) string to look for.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to, defaults to 'Other'.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertRaw($raw, $message = '', $group = 'Other') {
if (!$message) {
$message = t('Raw "@raw" found', array('@raw' => check_plain($raw)));
}
return $this->assert(strpos($this->content, $raw) !== FALSE, $message, $group);
}
/**
* Pass if the raw text is NOT found on the loaded page, fail otherwise. Raw text
* refers to the raw HTML that the page generated.
*
* @param $raw
* Raw (HTML) string to look for.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to, defaults to 'Other'.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertNoRaw($raw, $message = '', $group = 'Other') {
if (!$message) {
$message = t('Raw "@raw" not found', array('@raw' => check_plain($raw)));
}
return $this->assert(strpos($this->content, $raw) === FALSE, $message, $group);
}
/**
* Pass 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.
*
* @param $text
* Plain text to look for.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to, defaults to 'Other'.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertText($text, $message = '', $group = 'Other') {
return $this->assertTextHelper($text, $message, $group, FALSE);
}
/**
* Pass 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.
*
* @param $text
* Plain text to look for.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to, defaults to 'Other'.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertNoText($text, $message = '', $group = 'Other') {
return $this->assertTextHelper($text, $message, $group, TRUE);
}
/**
* Helper for assertText and assertNoText.
*
* It is not recommended to call this function directly.
*
* @param $text
* Plain text to look for.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @param $not_exists
* TRUE if this text should not exist, FALSE if it should.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertTextHelper($text, $message, $group, $not_exists) {
if ($this->plainTextContent === FALSE) {
$this->plainTextContent = filter_xss($this->content, array());
}
if (!$message) {
$message = !$not_exists ? t('"@text" found', array('@text' => $text)) : t('"@text" not found', array('@text' => $text));
}
return $this->assert($not_exists == (strpos($this->plainTextContent, $text) === FALSE), $message, $group);
}
/**
* Pass if the text is found ONLY ONCE 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.
*
* @param $text
* Plain text to look for.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to, defaults to 'Other'.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertUniqueText($text, $message = '', $group = 'Other') {
return $this->assertUniqueTextHelper($text, $message, $group, TRUE);
}
/**
* Pass if the text is found MORE THAN ONCE 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.
*
* @param $text
* Plain text to look for.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to, defaults to 'Other'.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertNoUniqueText($text, $message = '', $group = 'Other') {
return $this->assertUniqueTextHelper($text, $message, $group, FALSE);
}
/**
* Helper for assertUniqueText and assertNoUniqueText.
*
* It is not recommended to call this function directly.
*
* @param $text
* Plain text to look for.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @param $be_unique
* TRUE if this text should be found only once, FALSE if it should be found more than once.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertUniqueTextHelper($text, $message, $group, $be_unique) {
if ($this->plainTextContent === FALSE) {
$this->plainTextContent = filter_xss($this->content, array());
}
if (!$message) {
$message = '"' . $text . '"' . ($be_unique ? ' found only once' : ' found more than once');
}
$first_occurance = strpos($this->plainTextContent, $text);
if ($first_occurance === FALSE) {
return $this->assert(FALSE, $message, $group);
}
$offset = $first_occurance + strlen($text);
$second_occurance = strpos($this->plainTextContent, $text, $offset);
return $this->assert($be_unique == ($second_occurance === FALSE), $message, $group);
}
/**
* Will trigger a pass if the Perl regex pattern is found in the raw content.
*
* @param $pattern
* Perl regex to look for including the regex delimiters.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertPattern($pattern, $message = '', $group = 'Other') {
if (!$message) {
$message = t('Pattern "@pattern" found', array('@pattern' => $pattern));
}
return $this->assert((bool) preg_match($pattern, $this->drupalGetContent()), $message, $group);
}
/**
* Will trigger a pass if the perl regex pattern is not present in raw content.
*
* @param $pattern
* Perl regex to look for including the regex delimiters.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertNoPattern($pattern, $message = '', $group = 'Other') {
if (!$message) {
$message = t('Pattern "@pattern" not found', array('@pattern' => $pattern));
}
return $this->assert(!preg_match($pattern, $this->drupalGetContent()), $message, $group);
}
/**
* Pass if the page title is the given string.
*
* @param $title
* The string the title should be.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertTitle($title, $message, $group = 'Other') {
return $this->assertEqual(current($this->xpath('//title')), $title, $message, $group);
}
/**
* Pass if the page title is not the given string.
*
* @param $title
* The string the title should not be.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertNoTitle($title, $message, $group = 'Other') {
return $this->assertNotEqual(current($this->xpath('//title')), $title, $message, $group);
}
/**
* Assert that a field exists in the current page by the given XPath.
*
* @param $xpath
* XPath used to find the field.
* @param $value
* Value of the field to assert.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertFieldByXPath($xpath, $value, $message, $group = 'Other') {
$fields = $this->xpath($xpath);
// If value specified then check array for match.
$found = TRUE;
if ($value) {
$found = FALSE;
if ($fields) {
foreach ($fields as $field) {
if (isset($field['value']) && $field['value'] == $value) {
// Input element with correct value.
$found = TRUE;
}
elseif (isset($field->option)) {
// Select element found.
if ($this->getSelectedItem($field) == $value) {
$found = TRUE;
}
else {
// No item selected so use first item.
$items = $this->getAllOptions($field);
if (!empty($items) && $items[0]['value'] == $value) {
$found = TRUE;
}
}
}
elseif ((string) $field == $value) {
// Text area with correct text.
$found = TRUE;
}
}
}
}
return $this->assertTrue($fields && $found, $message, $group);
}
/**
* Get the selected value from a select field.
*
* @param $element
* SimpleXMLElement select element.
* @return
* The selected value or FALSE.
*/
protected function getSelectedItem(SimpleXMLElement $element) {
foreach ($element->children() as $item) {
if (isset($item['selected'])) {
return $item['value'];
}
elseif ($item->getName() == 'optgroup') {
if ($value = $this->getSelectedItem($item)) {
return $value;
}
}
}
return FALSE;
}
/**
* Assert that a field does not exist in the current page by the given XPath.
*
* @param $xpath
* XPath used to find the field.
* @param $value
* Value of the field to assert.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertNoFieldByXPath($xpath, $value, $message, $group = 'Other') {
$fields = $this->xpath($xpath);
// If value specified then check array for match.
$found = TRUE;
if ($value) {
$found = FALSE;
if ($fields) {
foreach ($fields as $field) {
if ($field['value'] == $value) {
$found = TRUE;
}
}
}
}
return $this->assertFalse($fields && $found, $message, $group);
}
/**
* Assert that a field exists in the current page with the given name and value.
*
* @param $name
* Name of field to assert.
* @param $value
* Value of the field to assert.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertFieldByName($name, $value = '', $message = '') {
return $this->assertFieldByXPath($this->constructFieldXpath('name', $name), $value, $message ? $message : t('Found field by name @name', array('@name' => $name)), t('Browser'));
}
/**
* Assert that a field does not exist with the given name and value.
*
* @param $name
* Name of field to assert.
* @param $value
* Value of the field to assert.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertNoFieldByName($name, $value = '', $message = '') {
return $this->assertNoFieldByXPath($this->constructFieldXpath('name', $name), $value, $message ? $message : t('Did not find field by name @name', array('@name' => $name)), t('Browser'));
}
/**
* Assert that a field exists in the current page with the given id and value.
*
* @param $id
* Id of field to assert.
* @param $value
* Value of the field to assert.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertFieldById($id, $value = '', $message = '') {
return $this->assertFieldByXPath($this->constructFieldXpath('id', $id), $value, $message ? $message : t('Found field by id @id', array('@id' => $id)), t('Browser'));
}
/**
* Assert that a field does not exist with the given id and value.
*
* @param $id
* Id of field to assert.
* @param $value
* Value of the field to assert.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertNoFieldById($id, $value = '', $message = '') {
return $this->assertNoFieldByXPath($this->constructFieldXpath('id', $id), $value, $message ? $message : t('Did not find field by id @id', array('@id' => $id)), t('Browser'));
}
/**
* Assert that a checkbox field in the current page is checked.
*
* @param $id
* Id of field to assert.
* @param $message
* Message to display.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertFieldChecked($id, $message = '') {
$elements = $this->xpath('//input[@id="' . $id . '"]');
return $this->assertTrue(isset($elements[0]) && !empty($elements[0]['checked']), $message ? $message : t('Checkbox field @id is checked.', array('@id' => $id)), t('Browser'));
}
/**
* Assert that a checkbox field in the current page is not checked.
*
* @param $id
* Id of field to assert.
* @param $message
* Message to display.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertNoFieldChecked($id, $message = '') {
$elements = $this->xpath('//input[@id="' . $id . '"]');
return $this->assertTrue(isset($elements[0]) && empty($elements[0]['checked']), $message ? $message : t('Checkbox field @id is not checked.', array('@id' => $id)), t('Browser'));
}
/**
* Assert that a field exists with the given name or id.
*
* @param $field
* Name or id of field to assert.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertField($field, $message = '', $group = 'Other') {
return $this->assertFieldByXPath($this->constructFieldXpath('name', $field) . '|' . $this->constructFieldXpath('id', $field), '', $message, $group);
}
/**
* Assert that a field does not exist with the given name or id.
*
* @param $field
* Name or id of field to assert.
* @param $message
* Message to display.
* @param $group
* The group this message belongs to.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertNoField($field, $message = '', $group = 'Other') {
return $this->assertNoFieldByXPath($this->constructFieldXpath('name', $field) . '|' . $this->constructFieldXpath('id', $field), '', $message, $group);
}
/**
* Helper function: construct an XPath for the given set of attributes and value.
*
* @param $attribute
* Field attributes.
* @param $value
* Value of field.
* @return
* XPath for specified values.
*/
protected function constructFieldXpath($attribute, $value) {
return '//textarea[@' . $attribute . '="' . $value . '"]|//input[@' . $attribute . '="' . $value . '"]|//select[@' . $attribute . '="' . $value . '"]';
}
/**
* Assert the page responds with the specified response code.
*
* @param $code
* Response code. For example 200 is a successful page request. For a list
* of all codes see http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html.
* @param $message
* Message to display.
* @return
* Assertion result.
*/
protected function assertResponse($code, $message = '') {
$curl_code = curl_getinfo($this->curlHandle, CURLINFO_HTTP_CODE);
$match = is_array($code) ? in_array($curl_code, $code) : $curl_code == $code;
return $this->assertTrue($match, $message ? $message : t('HTTP response expected !code, actual !curl_code', array('!code' => $code, '!curl_code' => $curl_code)), t('Browser'));
}
/**
* Assert that the most recently sent e-mail message has a field with the given value.
*
* @param $name
* Name of field or message property to assert. Examples: subject, body, id, ...
* @param $value
* Value of the field to assert.
* @param $message
* Message to display.
* @return
* TRUE on pass, FALSE on fail.
*/
protected function assertMail($name, $value = '', $message = '') {
$captured_emails = variable_get('simpletest_emails', array());
$email = end($captured_emails);
return $this->assertTrue($email && isset($email[$name]) && $email[$name] == $value, $message, t('E-mail'));
}
/**
* Log 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)) {
$this->pass(l(t('Verbose message'), $this->originalFileDirectory . '/simpletest/verbose/' . get_class($this) . '-' . $id . '.html', array('attributes' => array('target' => '_blank'))), 'Debug');
}
}
}
/**
* Wrapper function to override the default mail handler function.
*
* @param $message
* An e-mail message. See drupal_mail() for information on how $message is composed.
* @return
* Returns TRUE to indicate that the e-mail was successfully accepted for delivery.
*/
function drupal_mail_wrapper($message) {
$captured_emails = variable_get('simpletest_emails', array());
$captured_emails[] = $message;
variable_set('simpletest_emails', $captured_emails);
return TRUE;
}
/**
* Log verbose message in a text file.
*
* If verbose mode is enabled then page requests will be dumped to a file and
* presented on the test result screen. The messages will be placed in a file
* located in the simpletest directory in the original file system.
*
* @param $message
* The verbose message to be stored.
* @param $original_file_directory
* The original file directory, before it was changed for testing purposes.
* @param $test_class
* The active test case class.
* @return
* The ID of the message to be placed in related assertion messages.
* @see DrupalTestCase->originalFileDirectory
* @see DrupalWebTestCase->verbose()
*/
function simpletest_verbose($message, $original_file_directory = NULL, $test_class = NULL) {
static $file_directory = NULL, $class = NULL, $id = 1;
$verbose = &drupal_static(__FUNCTION__);
// Will pass first time during setup phase, and when verbose is TRUE.
if (!isset($original_file_directory) && !$verbose) {
return FALSE;
}
if ($message && $file_directory) {
$message = '<hr />ID #' . $id . ' (<a href="' . $class . '-' . ($id - 1) . '.html">Previous</a> | <a href="' . $class . '-' . ($id + 1) . '.html">Next</a>)<hr />' . $message;
file_put_contents($file_directory . "/simpletest/verbose/$class-$id.html", $message, FILE_APPEND);
return $id++;
}
if ($original_file_directory) {
$file_directory = $original_file_directory;
$class = $test_class;
$verbose = variable_get('simpletest_verbose', FALSE);
$directory = $file_directory . '/simpletest/verbose';
return file_check_directory($directory, FILE_CREATE_DIRECTORY);
}
return FALSE;
}
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