function 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 34

Class

ServiceProviderWebTest

Tests service provider registration to the DIC.

Namespace

Code

public function testServiceProviderRegistrationIntegration() : void {
    $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!');
}