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Throw an exception when the environment is not yet initialized #387

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merged 1 commit into from
Jul 1, 2017
Merged

Throw an exception when the environment is not yet initialized #387

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12 changes: 12 additions & 0 deletions src/Drupal/DrupalExtension/Context/DrupalSubContextBase.php
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Original file line number Diff line number Diff line change
Expand Up @@ -57,10 +57,22 @@ protected function getUser() {
*
* @return \Behat\Behat\Context\Context|false
* The requested context, or FALSE if the context is not registered.
*
* @throws \Exception
* Thrown when the environment is not yet initialized, meaning that contexts
* cannot yet be retrieved.
*/
protected function getContext($class) {
/** @var InitializedContextEnvironment $environment */
$environment = $this->drupal->getEnvironment();
// Throw an exception if the environment is not yet initialized. To make
// sure state doesn't leak between test scenarios, the environment is
// reinitialized at the start of every scenario. If this code is executed
// before a test scenario starts (e.g. in a `@BeforeScenario` hook) then the
// contexts cannot yet be retrieved.
if (!$environment instanceof InitializedContextEnvironment) {
throw new \Exception('Cannot retrieve contexts when the environment is not yet initialized.');
}
foreach ($environment->getContexts() as $context) {
if ($context instanceof $class) {
return $context;
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