InstallerExistingDatabaseSettingsTest.php

<?php

namespace Drupal\FunctionalTests\Installer;

use Drupal\Core\Database\Database;

/**
 * Tests the installer with an existing settings file with database connection
 * info.
 *
 * @group Installer
 */
class InstallerExistingDatabaseSettingsTest extends InstallerTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function prepareEnvironment() {
        parent::prepareEnvironment();
        // Pre-configure database credentials in settings.php.
        $connection_info = Database::getConnectionInfo();
        unset($connection_info['default']['pdo']);
        unset($connection_info['default']['init_commands']);
        $this->settings['databases']['default'] = (object) [
            'value' => $connection_info,
            'required' => TRUE,
        ];
    }
    
    /**
     * {@inheritdoc}
     *
     * @todo The database settings form is not supposed to appear if settings.php
     *   contains a valid database connection already (but e.g. no config
     *   directories yet).
     */
    protected function setUpSettings() {
        // All database settings should be pre-configured, except password.
        $values = $this->parameters['forms']['install_settings_form'];
        $driver = $values['driver'];
        $edit = [];
        if (isset($values[$driver]['password']) && $values[$driver]['password'] !== '') {
            $edit = $this->translatePostValues([
                $driver => [
                    'password' => $values[$driver]['password'],
                ],
            ]);
        }
        $this->drupalPostForm(NULL, $edit, $this->translations['Save and continue']);
    }
    
    /**
     * Verifies that installation succeeded.
     */
    public function testInstaller() {
        $this->assertUrl('user/1');
        $this->assertSession()
            ->statusCodeEquals(200);
    }

}