/**
* Resets the test environment.
*
* @throws Exception If here we are not using the test database it should be because of a coding error
* @BeforeScenario
*/
public function before_scenario($event)
{
global $CFG;
// Check if the test environment is ready: dataroot, database, server
if (!defined('BEHAT_TEST') || !defined('BEHAT_SITE_RUNNING') || php_sapi_name() != 'cli' || !BehatTestingUtil::is_test_mode_enabled() || !BehatTestingUtil::is_test_site()) {
throw new Exception('Behat only can modify the test database and the test dataroot!');
}
// Check if the browser is running and supports javascript
$moreinfo = 'More info in ' . BehatCommand::DOCS_URL . '#Running_tests';
$driverexceptionmsg = 'Selenium server is not running, you need to start it to run tests that involve Javascript. ' . $moreinfo;
try {
$session = $this->getSession();
} catch (CurlExec $e) {
// Exception thrown by WebDriver, so only @javascript tests will be caugth; in
throw new Exception($driverexceptionmsg);
} catch (DriverException $e) {
throw new Exception($driverexceptionmsg);
} catch (UnknownError $e) {
// Generic 'I have no idea' Selenium error. Custom exception to provide more feedback about possible solutions.
throw new Exception($e);
}
// Register the named selectors for mahara
if (self::is_first_scenario()) {
BehatSelectors::register_mahara_selectors($session);
BehatContextHelper::set_session($session);
// Reset the browser
$session->restart();
// Run all test with medium (1024x768) screen size, to avoid responsive problems.
$this->resize_window('medium');
}
// Reset $SESSION.
$_SESSION = array();
$SESSION = new stdClass();
$_SESSION['SESSION'] =& $SESSION;
BehatTestingUtil::reset_database();
BehatTestingUtil::reset_dataroot();
// Reset the nasty strings list used during the last test.
NastyStrings::reset_used_strings();
// Set current user is admin
// Start always in the the homepage.
try {
// Let's be conservative as we never know when new upstream issues will affect us.
$session->visit($this->locate_path('/'));
} catch (UnknownError $e) {
$this->Exception($e);
}
// Checking that the root path is a mahara test site.
if (!self::$initprocessesfinished) {
$notestsiteexception = new Exception('The base URL (' . $CFG->wwwroot . ') is not a behat test site, ' . 'ensure you started the built-in web server in the correct directory or your web server is correctly started and set up');
$this->find("xpath", "//head/child::title[contains(., '" . BehatTestingUtil::BEHATSITENAME . "')]", $notestsiteexception);
self::$initprocessesfinished = true;
}
}
/**
* Transforms from step definition's argument style to Mink format.
*
* Delegates all the process to BehatBase::transform_selector() checking
* the provided $selectortype.
*
* @throws ExpectationException
* @param string $selectortype It can be css, xpath or any of the named selectors.
* @param string $element The locator (or string) we are looking for.
* @return array Contains the selector and the locator expected by Mink.
*/
protected function transform_text_selector($selectortype, $element)
{
$selectors = BehatSelectors::get_allowed_text_selectors();
if (empty($selectors[$selectortype])) {
throw new ExpectationException('The "' . $selectortype . '" selector can not be used to select text nodes', $this->getSession());
}
return $this->transform_selector($selectortype, $element);
}