/**
* Returns the Behat context that corresponds with the given class name.
*
* This is inspired by InitializedContextEnvironment::getContext() but also
* returns subclasses of the given class name. This allows us to retrieve for
* example DrupalContext even if it is overridden in a project.
*
* @param string $class
* A fully namespaced class name.
*
* @return \Behat\Behat\Context\Context|false
* The requested context, or FALSE if the context is not registered.
*/
protected function getContext($class)
{
/** @var InitializedContextEnvironment $environment */
$environment = $this->drupal->getEnvironment();
foreach ($environment->getContexts() as $context) {
if ($context instanceof $class) {
return $context;
}
}
return FALSE;
}
/**
* Finds and loads available subcontext classes.
*/
private function findSubContextClasses()
{
$class_names = array();
// Initialize any available sub-contexts.
if (isset($this->parameters['subcontexts'])) {
$paths = array();
// Drivers may specify paths to subcontexts.
if ($this->parameters['subcontexts']['autoload']) {
foreach ($this->drupal->getDrivers() as $name => $driver) {
if ($driver instanceof SubDriverFinderInterface) {
$paths += $driver->getSubDriverPaths();
}
}
}
// Additional subcontext locations may be specified manually in behat.yml.
if (isset($this->parameters['subcontexts']['paths'])) {
$paths = array_merge($paths, $this->parameters['subcontexts']['paths']);
}
// Load each class.
foreach ($paths as $path) {
if ($subcontexts = $this->findAvailableSubContexts($path)) {
$this->loadSubContexts($subcontexts);
}
}
// Find all subcontexts, excluding abstract base classes.
$classes = get_declared_classes();
foreach ($classes as $class) {
$reflect = new \ReflectionClass($class);
if (!$reflect->isAbstract() && $reflect->implementsInterface('Drupal\\DrupalExtension\\Context\\DrupalSubContextInterface')) {
$class_names[] = $class;
}
}
}
return $class_names;
}
/**
* Configures default Drupal driver to use before each scenario or outline.
*
* `@api` tagged scenarios will get the `api_driver` as the default driver.
*
* Other scenarios get the `default_driver` as the default driver.
*
* @param ScenarioEvent|OutlineEvent $event
*/
public function prepareDefaultDrupalDriver($event)
{
$feature = $event->getFeature();
$scenario = $event instanceof ScenarioLikeTested ? $event->getScenario() : $event->getOutline();
// Get the default driver.
$driver = $this->parameters['default_driver'];
foreach (array_merge($feature->getTags(), $scenario->getTags()) as $tag) {
if (!empty($this->parameters[$tag . '_driver'])) {
$driver = $this->parameters[$tag . '_driver'];
}
}
// Set the default driver.
$this->drupal->setDefaultDriverName($driver);
// Set the environment.
$environment = $event->getEnvironment();
$this->drupal->setEnvironment($environment);
}