DatabaseTest.php in Drupal 8

Namespace

Drupal\Tests\Core\Database

File

core/tests/Drupal/Tests/Core/Database/DatabaseTest.php

<?php

namespace Drupal\Tests\Core\Database;

use Composer\Autoload\ClassLoader;
use Drupal\Core\Database\Database;
use Drupal\Core\Site\Settings;
use Drupal\Tests\UnitTestCase;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * @coversDefaultClass \Drupal\Core\Database\Database
 *
 * @runTestsInSeparateProcesses
 * @preserveGlobalState disabled
 *
 * @group Database
 */
class DatabaseTest extends UnitTestCase {

  /**
   * A classloader to enable testing of contrib drivers.
   *
   * @var \Composer\Autoload\ClassLoader
   */
  protected $additionalClassloader;

  /**
   * Path to DRUPAL_ROOT.
   *
   * @var string
   */
  protected $root;

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    $this->additionalClassloader = new ClassLoader();
    $this->additionalClassloader
      ->register();

    // Mock the container so we don't need to mock drupal_valid_test_ua().
    // @see \Drupal\Core\Extension\ExtensionDiscovery::scan()
    $this->root = dirname(dirname(dirname(dirname(dirname(dirname(__DIR__))))));
    $container = $this
      ->createMock(ContainerInterface::class);
    $container
      ->expects($this
      ->any())
      ->method('has')
      ->with('kernel')
      ->willReturn(TRUE);
    $container
      ->expects($this
      ->any())
      ->method('get')
      ->with('site.path')
      ->willReturn('');
    \Drupal::setContainer($container);
  }

  /**
   * @covers ::findDriverAutoloadDirectory
   * @dataProvider providerFindDriverAutoloadDirectory
   */
  public function testFindDriverAutoloadDirectory($expected, $namespace) {
    new Settings([
      'extension_discovery_scan_tests' => TRUE,
    ]);

    // The only module that provides a driver in core is a test module.
    $this
      ->assertSame($expected, Database::findDriverAutoloadDirectory($namespace, $this->root));
  }

  /**
   * Data provider for ::testFindDriverAutoloadDirectory().
   *
   * @return array
   */
  public function providerFindDriverAutoloadDirectory() {
    return [
      'core mysql' => [
        FALSE,
        'Drupal\\Core\\Database\\Driver\\mysql',
      ],
      'D8 custom fake' => [
        FALSE,
        'Drupal\\Driver\\Database\\corefake',
      ],
      'module mysql' => [
        'core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysql/',
        'Drupal\\driver_test\\Driver\\Database\\DrivertestMysql',
      ],
    ];
  }

  /**
   * @covers ::findDriverAutoloadDirectory
   * @dataProvider providerFindDriverAutoloadDirectoryException
   */
  public function testFindDriverAutoloadDirectoryException($expected_message, $namespace, $include_tests) {
    new Settings([
      'extension_discovery_scan_tests' => $include_tests,
    ]);
    if ($include_tests === FALSE) {

      // \Drupal\Core\Extension\ExtensionDiscovery::scan() needs
      // drupal_valid_test_ua().
      include $this->root . '/core/includes/bootstrap.inc';
    }
    $this
      ->expectException(\RuntimeException::class);
    $this
      ->expectExceptionMessage($expected_message);
    Database::findDriverAutoloadDirectory($namespace, $this->root);
  }

  /**
   * Data provider for ::testFindDriverAutoloadDirectoryException().
   *
   * @return array
   */
  public function providerFindDriverAutoloadDirectoryException() {
    return [
      'test module but tests not included' => [
        "Cannot find the module 'driver_test' for the database driver namespace 'Drupal\\driver_test\\Driver\\Database\\DrivertestMysql'",
        'Drupal\\driver_test\\Driver\\Database\\DrivertestMysql',
        FALSE,
      ],
      'non-existent driver in test module' => [
        "Cannot find the database driver namespace 'Drupal\\driver_test\\Driver\\Database\\sqlite' in module 'driver_test'",
        'Drupal\\driver_test\\Driver\\Database\\sqlite',
        TRUE,
      ],
      'non-existent module' => [
        "Cannot find the module 'does_not_exist' for the database driver namespace 'Drupal\\does_not_exist\\Driver\\Database\\mysql'",
        'Drupal\\does_not_exist\\Driver\\Database\\mysql',
        TRUE,
      ],
    ];
  }

  /**
   * Adds a database driver that uses the D8's Drupal\Driver\Database namespace.
   */
  protected function addD8CustomDrivers() {
    $this->additionalClassloader
      ->addPsr4("Drupal\\Driver\\Database\\corefake\\", __DIR__ . "/../../../../../tests/fixtures/database_drivers/custom/corefake");
  }

  /**
   * Adds database drivers that are provided by modules.
   */
  protected function addModuleDrivers() {
    $this->additionalClassloader
      ->addPsr4("Drupal\\driver_test\\Driver\\Database\\DrivertestMysql\\", __DIR__ . "/../../../../../modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysql");
    $this->additionalClassloader
      ->addPsr4("Drupal\\corefake\\Driver\\Database\\corefake\\", __DIR__ . "/../../../../../tests/fixtures/database_drivers/module/corefake/src/Driver/Database/corefake");
  }

}

Classes

Name	Description
DatabaseTest	@coversDefaultClass \Drupal\Core\Database\Database