public function ContainerTest::testResolveServicesAndParametersForOptionalServiceDependencies in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/Tests/Component/DependencyInjection/ContainerTest.php \Drupal\Tests\Component\DependencyInjection\ContainerTest::testResolveServicesAndParametersForOptionalServiceDependencies()

Tests that services that are optional work correctly.

@covers ::get @covers ::createService @covers ::resolveServicesAndParameters

File

core/tests/Drupal/Tests/Component/DependencyInjection/ContainerTest.php, line 591

Contains \Drupal\Tests\Component\DependencyInjection\ContainerTest.

Class

ContainerTest

@coversDefaultClass \Drupal\Component\DependencyInjection\Container @group DependencyInjection

Namespace

Drupal\Tests\Component\DependencyInjection

Code

public function testResolveServicesAndParametersForOptionalServiceDependencies() {
  $service = $this->container
    ->get('service_with_optional_dependency');
  $this
    ->assertNull($service
    ->getSomeOtherService(), 'other service was NULL was expected.');
}