Initial Drupal 11 with DDEV setup

web/core/tests/Drupal/FunctionalTests/ExistingDrupal8StyleDatabaseConnectionInSettingsPhpTest.php

@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+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(): void {
+    $this->drupalLogin($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(): void {
+    $this->drupalLogin($this->drupalCreateUser());
+
+    $replica = Database::getConnection('replica', 'default');
+    $this->assertInstanceOf(Connection::class, $replica);
+  }
+
+}