function RegistryTest::testRaceCondition
Same name in other branches
- 9 core/tests/Drupal/KernelTests/Core/Theme/RegistryTest.php \Drupal\KernelTests\Core\Theme\RegistryTest::testRaceCondition()
- 8.9.x core/tests/Drupal/KernelTests/Core/Theme/RegistryTest.php \Drupal\KernelTests\Core\Theme\RegistryTest::testRaceCondition()
- 11.x core/tests/Drupal/KernelTests/Core/Theme/RegistryTest.php \Drupal\KernelTests\Core\Theme\RegistryTest::testRaceCondition()
Tests the behavior of the theme registry class.
File
-
core/
tests/ Drupal/ KernelTests/ Core/ Theme/ RegistryTest.php, line 32
Class
- RegistryTest
- Tests the behavior of the ThemeRegistry class.
Namespace
Drupal\KernelTests\Core\ThemeCode
public function testRaceCondition() : void {
// The theme registry is not marked as persistable in case we don't have a
// proper request.
\Drupal::request()->setMethod('GET');
$cid = 'test_theme_registry';
// Directly instantiate the theme registry, this will cause a base cache
// entry to be written in __construct().
$cache = \Drupal::cache();
$lock_backend = \Drupal::lock();
$registry = new ThemeRegistry($cid, $cache, $lock_backend, [], $this->container
->get('module_handler')
->isLoaded());
$this->assertNotEmpty(\Drupal::cache()->get($cid), 'Cache entry was created.');
// Trigger a cache miss for an offset.
$this->assertNotEmpty($registry->get('theme_test_template_test'), 'Offset was returned correctly from the theme registry.');
// This will cause the ThemeRegistry class to write an updated version of
// the cache entry when it is destroyed, usually at the end of the request.
// Before that happens, manually delete the cache entry we created earlier
// so that the new entry is written from scratch.
\Drupal::cache()->delete($cid);
// Destroy the class so that it triggers a cache write for the offset.
$registry->destruct();
$this->assertNotEmpty(\Drupal::cache()->get($cid), 'Cache entry was created.');
// Create a new instance of the class. Confirm that both the offset
// requested previously, and one that has not yet been requested are both
// available.
$registry = new ThemeRegistry($cid, $cache, $lock_backend, [], $this->container
->get('module_handler')
->isLoaded());
$this->assertNotEmpty($registry->get('theme_test_template_test'), 'Offset was returned correctly from the theme registry');
$this->assertNotEmpty($registry->get('theme_test_template_test_2'), 'Offset was returned correctly from the theme registry');
}
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