class InstallerNonDefaultDatabaseDriverTest

class InstallerNonDefaultDatabaseDriverTest extends InstallerTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * The name of the test database driver in use.
     * @var string
     */
    protected $testDriverName;
    
    /**
     * {@inheritdoc}
     */
    protected function setUpSettings() {
        $driver = Database::getConnection()->driver();
        if (!in_array($driver, [
            'mysql',
            'pgsql',
        ])) {
            $this->markTestSkipped("This test does not support the {$driver} database driver.");
        }
        $this->testDriverName = 'Drivertest' . ucfirst($driver);
        // Assert that we are using the database drivers from the driver_test module.
        $this->assertSession()
            ->elementTextEquals('xpath', '//label[@for="edit-driver-drivertestmysql"]', 'MySQL by the driver_test module');
        $this->assertSession()
            ->elementTextEquals('xpath', '//label[@for="edit-driver-drivertestpgsql"]', 'PostgreSQL by the driver_test module');
        $settings = $this->parameters['forms']['install_settings_form'];
        $settings['driver'] = $this->testDriverName;
        $settings[$this->testDriverName] = $settings[$driver];
        unset($settings[$driver]);
        $edit = $this->translatePostValues($settings);
        $this->submitForm($edit, $this->translations['Save and continue']);
    }
    
    /**
     * Confirms that the installation succeeded.
     */
    public function testInstalled() {
        $this->assertSession()
            ->addressEquals('user/1');
        $this->assertSession()
            ->statusCodeEquals(200);
        // Assert that in the settings.php the database connection array has the
        // correct values set.
        $contents = file_get_contents($this->container
            ->getParameter('app.root') . '/' . $this->siteDirectory . '/settings.php');
        $this->assertStringContainsString("'namespace' => 'Drupal\\\\driver_test\\\\Driver\\\\Database\\\\{$this->testDriverName}',", $contents);
        $this->assertStringContainsString("'driver' => '{$this->testDriverName}',", $contents);
        $this->assertStringContainsString("'autoload' => 'core/modules/system/tests/modules/driver_test/src/Driver/Database/{$this->testDriverName}/',", $contents);
        // Assert that the module "driver_test" has been installed.
        $this->assertEquals(\Drupal::service('module_handler')->getModule('driver_test'), new Extension($this->root, 'module', 'core/modules/system/tests/modules/driver_test/driver_test.info.yml'));
        // Change the default database connection to use the database driver from
        // the module "driver_test".
        $connection_info = Database::getConnectionInfo();
        $driver_test_connection = $connection_info['default'];
        $driver_test_connection['driver'] = $this->testDriverName;
        $driver_test_connection['namespace'] = 'Drupal\\driver_test\\Driver\\Database\\' . $this->testDriverName;
        $driver_test_connection['autoload'] = "core/modules/system/tests/modules/driver_test/src/Driver/Database/{$this->testDriverName}/";
        Database::renameConnection('default', 'original_database_connection');
        Database::addConnectionInfo('default', 'default', $driver_test_connection);
        // The module "driver_test" should not be uninstallable, because it is
        // providing the database driver.
        try {
            $this->container
                ->get('module_installer')
                ->uninstall([
                'driver_test',
            ]);
            $this->fail('Uninstalled driver_test module.');
        } catch (ModuleUninstallValidatorException $e) {
            $this->assertStringContainsString("The module 'Contrib database driver test' is providing the database driver '{$this->testDriverName}'.", $e->getMessage());
        }
        // Restore the old database connection.
        Database::addConnectionInfo('default', 'default', $connection_info['default']);
    }

}