function DrupalKernelSiteTest::testServicesYml

Tests services.yml in site directory.

File

core/tests/Drupal/KernelTests/Core/DrupalKernel/DrupalKernelSiteTest.php, line 20

Class

DrupalKernelSiteTest

Tests site-specific service overrides.

Namespace

Code

public function testServicesYml() : void {
    $container_yamls = Settings::get('container_yamls');
    $container_yamls[] = $this->siteDirectory . '/services.yml';
    $this->setSetting('container_yamls', $container_yamls);
    $this->assertFalse($this->container
        ->has('site.service.yml'));
    // A service provider class always has precedence over services.yml files.
    // KernelTestBase::buildContainer() swaps out many services with in-memory
    // implementations already, so those cannot be tested.
    $this->assertSame('Drupal\\Core\\Cache\\DatabaseBackendFactory', get_class($this->container
        ->get('cache.backend.database')));
    $class = __CLASS__;
    $doc = <<<EOD
services:
  _defaults:
    autowire: true
  Symfony\\Component\\HttpFoundation\\RequestStack: ~
  Drupal\\Component\\Datetime\\TimeInterface:
    class: Drupal\\Component\\Datetime\\Time
  # Add a new service.
  site.service.yml:
    class: {<span class="php-variable">$class</span>}
  # Swap out a core service.
  cache.backend.database:
    class: Drupal\\Core\\Cache\\MemoryBackendFactory
EOD;
    file_put_contents($this->siteDirectory . '/services.yml', $doc);
    // Rebuild the container.
    $this->container
        ->get('kernel')
        ->rebuildContainer();
    $this->assertTrue($this->container
        ->has('site.service.yml'));
    $this->assertSame('Drupal\\Core\\Cache\\MemoryBackendFactory', get_class($this->container
        ->get('cache.backend.database')));
}