function ServiceDestructionTest::testDestructionUnused

Verifies that services are not unnecessarily destructed when not used.

File

core/tests/Drupal/KernelTests/Core/DrupalKernel/ServiceDestructionTest.php, line 40

Class

ServiceDestructionTest

Tests that services are correctly destructed.

Namespace

Code

public function testDestructionUnused() {
    // Enable the test module to add it to the container.
    $this->enableModules([
        'service_provider_test',
    ]);
    $request = $this->container
        ->get('request_stack')
        ->getCurrentRequest();
    $kernel = $this->container
        ->get('kernel');
    $kernel->preHandle($request);
    // The service has not been destructed yet.
    $this->assertNull(\Drupal::state()->get('service_provider_test.destructed'));
    // Terminate the kernel. The test class has not been called, so it should not
    // be destructed.
    $response = new Response();
    $kernel->terminate($request, $response);
    $this->assertNull(\Drupal::state()->get('service_provider_test.destructed'));
}