InstallerObjectTest.php

<?php

namespace Drupal\Tests\Core\Database;

use Composer\Autoload\ClassLoader;
use Drupal\Core\Database\Driver\mysql\Install\Tasks as MysqlInstallTasks;
use Drupal\Driver\Database\fake\Install\Tasks as FakeInstallTasks;
use Drupal\Driver\Database\corefake\Install\Tasks as CustomCoreFakeInstallTasks;
use Drupal\driver_test\Driver\Database\DrivertestMysql\Install\Tasks as DriverTestMysqlInstallTasks;
use Drupal\Tests\UnitTestCase;

/**
 * Tests the db_installer_object() function that is used during installation.
 *
 * These tests run in isolation to prevent the autoloader additions from
 * affecting other tests.
 *
 * @covers ::db_installer_object
 *
 * @runTestsInSeparateProcesses
 * @preserveGlobalState disabled
 *
 * @group Database
 */
class InstallerObjectTest extends UnitTestCase {
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        require_once __DIR__ . '/../../../../../includes/install.inc';
        $additional_class_loader = new ClassLoader();
        $additional_class_loader->addPsr4("Drupal\\Driver\\Database\\fake\\", __DIR__ . "/../../../../../tests/fixtures/database_drivers/custom/fake");
        $additional_class_loader->addPsr4("Drupal\\Core\\Database\\Driver\\corefake\\", __DIR__ . "/../../../../../tests/fixtures/database_drivers/core/corefake");
        $additional_class_loader->addPsr4("Drupal\\Driver\\Database\\corefake\\", __DIR__ . "/../../../../../tests/fixtures/database_drivers/custom/corefake");
        $additional_class_loader->addPsr4("Drupal\\driver_test\\Driver\\Database\\DrivertestMysql\\", __DIR__ . "/../../../../../../modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysql");
        $additional_class_loader->register(TRUE);
    }
    
    /**
     * @dataProvider providerDbInstallerObject
     */
    public function testDbInstallerObject($driver, $namespace, $expected_class_name) {
        $object = db_installer_object($driver, $namespace);
        $this->assertEquals(get_class($object), $expected_class_name);
    }
    
    /**
     * Dataprovider for testDbUrltoConnectionConversion().
     *
     * @return array
     *   Array of arrays with the following elements:
     *   - driver: The driver name.
     *   - namespace: The namespace providing the driver.
     *   - class: The fully qualified class name of the expected install task.
     */
    public function providerDbInstallerObject() {
        return [
            // A driver only in the core namespace.
[
                'mysql',
                NULL,
                MysqlInstallTasks::class,
            ],
            // A driver only in the custom namespace.
[
                'fake',
                "Drupal\\Driver\\Database\\fake",
                FakeInstallTasks::class,
            ],
            // A driver in both namespaces. The custom one takes precedence.
[
                'corefake',
                "Drupal\\Driver\\Database\\corefake",
                CustomCoreFakeInstallTasks::class,
            ],
            // A driver from a module that has a different name as the driver.
[
                'DrivertestMysql',
                "Drupal\\driver_test\\Driver\\Database\\DrivertestMysql",
                DriverTestMysqlInstallTasks::class,
            ],
        ];
    }

}