ContainerBuilderTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\DependencyInjection;

use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Tests\UnitTestCase;
use Drupal\Tests\Core\DependencyInjection\Fixture\BarClass;
use Symfony\Component\DependencyInjection\Definition;

/**
 * @coversDefaultClass \Drupal\Core\DependencyInjection\ContainerBuilder
 * @group DependencyInjection
 */
class ContainerBuilderTest extends UnitTestCase {
    
    /**
     * @covers ::get
     */
    public function testGet() : void {
        $container = new ContainerBuilder();
        $container->register('bar', 'Drupal\\Tests\\Core\\DependencyInjection\\Fixture\\BarClass');
        $result = $container->get('bar');
        $this->assertInstanceOf(BarClass::class, $result);
    }
    
    /**
     * @covers ::setParameter
     */
    public function testSetParameterException() : void {
        $container = new ContainerBuilder();
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage('Parameter names must be lowercase: Buzz');
        $container->setParameter('Buzz', 'buzz');
    }
    
    /**
     * @covers ::register
     */
    public function testRegister() : void {
        $container = new ContainerBuilder();
        $service = $container->register('bar');
        $this->assertTrue($service->isPublic());
    }
    
    /**
     * @covers ::setDefinition
     */
    public function testSetDefinition() : void {
        // Test a service with public set to true.
        $container = new ContainerBuilder();
        $definition = new Definition();
        $definition->setPublic(TRUE);
        $service = $container->setDefinition('foo', $definition);
        $this->assertTrue($service->isPublic());
        // Test a service with public set to false.
        $definition = new Definition();
        $definition->setPublic(FALSE);
        $service = $container->setDefinition('foo', $definition);
        $this->assertFalse($service->isPublic());
    }
    
    /**
     * @covers ::setAlias
     */
    public function testSetAlias() : void {
        $container = new ContainerBuilder();
        $container->register('bar');
        $alias = $container->setAlias('foo', 'bar');
        $this->assertTrue($alias->isPublic());
    }
    
    /**
     * Tests serialization.
     */
    public function testSerialize() : void {
        $container = new ContainerBuilder();
        $this->expectException(\AssertionError::class);
        serialize($container);
    }
    
    /**
     * Tests constructor and resource tracking disabling.
     *
     * This test runs in a separate process to ensure the aliased class does not
     * affect any other tests.
     *
     * @runInSeparateProcess
     * @preserveGlobalState disabled
     */
    public function testConstructor() : void {
        class_alias(TestInterface::class, 'Symfony\\Component\\Config\\Resource\\ResourceInterface');
        $container = new ContainerBuilder();
        $this->assertFalse($container->isTrackingResources());
    }

}

/**
 * A test interface for testing ContainerBuilder::__construct().
 *
 * @see \Drupal\Tests\Core\DependencyInjection\ContainerBuilderTest::testConstructor()
 */
interface TestInterface {

}