public function ServiceProviderWebTest::testServiceProviderRegistrationIntegration in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/tests/src/Functional/ServiceProvider/ServiceProviderWebTest.php \Drupal\Tests\system\Functional\ServiceProvider\ServiceProviderWebTest::testServiceProviderRegistrationIntegration()

Tests that module service providers get registered to the DIC.

Also tests that services provided by module service providers get registered to the DIC.

File

core/modules/system/tests/src/Functional/ServiceProvider/ServiceProviderWebTest.php, line 32

Class

ServiceProviderWebTest

Tests service provider registration to the DIC.

Namespace

Drupal\Tests\system\Functional\ServiceProvider

Code

public function testServiceProviderRegistrationIntegration() {
  $this
    ->assertTrue(\Drupal::hasService('service_provider_test_class'), 'The service_provider_test_class service has been registered to the DIC');

  // The event subscriber method in the test class calls
  // \Drupal\Core\Messenger\MessengerInterface::addStatus() with a message
  // saying it has fired. This will fire on every page request so it should
  // show up on the front page.
  $this
    ->drupalGet('');
  $this
    ->assertSession()
    ->pageTextContains('The service_provider_test event subscriber fired!');
}