ExistingDrupal8StyleDatabaseConnectionInSettingsPhpTest.php

<?php

namespace Drupal\FunctionalTests;

use Drupal\Core\Database\Connection;
use Drupal\Core\Database\Database;
use Drupal\Tests\BrowserTestBase;

/**
 * @group Database
 */
class ExistingDrupal8StyleDatabaseConnectionInSettingsPhpTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $driver = Database::getConnection()->driver();
        if (!in_array($driver, [
            'mysql',
            'pgsql',
            'sqlite',
        ])) {
            $this->markTestSkipped("This test does not support the {$driver} database driver.");
        }
        $filename = $this->siteDirectory . '/settings.php';
        chmod($filename, 0777);
        $contents = file_get_contents($filename);
        $autoload = "'autoload' => 'core/modules/{$driver}/src/Driver/Database/{$driver}/',";
        $contents = str_replace($autoload, '', $contents);
        $namespace_search = "'namespace' => 'Drupal\\\\{$driver}\\\\Driver\\\\Database\\\\{$driver}',";
        $namespace_replace = "'namespace' => 'Drupal\\\\Core\\\\Database\\\\Driver\\\\{$driver}',";
        $contents = str_replace($namespace_search, $namespace_replace, $contents);
        // Add a replica connection to the database settings.
        $contents .= "\$databases['default']['replica'][] = array (\n";
        $contents .= "  'database' => 'db',\n";
        $contents .= "  'username' => 'db',\n";
        $contents .= "  'password' => 'db',\n";
        $contents .= "  'prefix' => 'test22806835',\n";
        $contents .= "  'host' => 'db',\n";
        $contents .= "  'port' => 3306,\n";
        $contents .= "  {$namespace_replace}\n";
        $contents .= "  'driver' => 'mysql',\n";
        $contents .= ");\n";
        file_put_contents($filename, $contents);
    }
    
    /**
     * Confirms that the site works with Drupal 8 style database connection array.
     */
    public function testExistingDrupal8StyleDatabaseConnectionInSettingsPhp() {
        $this->drupalLogin($this->drupalCreateUser());
        $this->assertSession()
            ->addressEquals('user/2');
        $this->assertSession()
            ->statusCodeEquals(200);
        // Make sure that we are have tested with the Drupal 8 style database
        // connection array.
        $filename = $this->siteDirectory . '/settings.php';
        $contents = file_get_contents($filename);
        $driver = Database::getConnection()->driver();
        $this->assertStringContainsString("'namespace' => 'Drupal\\\\Core\\\\Database\\\\Driver\\\\{$driver}',", $contents);
        $this->assertStringContainsString("'driver' => '{$driver}',", $contents);
        $this->assertStringNotContainsString("'autoload' => 'core/modules/{$driver}/src/Driver/Database/{$driver}/", $contents);
    }
    
    /**
     * Confirms that the replica database connection works.
     */
    public function testReplicaDrupal8StyleDatabaseConnectionInSettingsPhp() {
        $this->drupalLogin($this->drupalCreateUser());
        $replica = Database::getConnection('replica', 'default');
        $this->assertInstanceOf(Connection::class, $replica);
    }

}