--- /dev/null
+<?php
+
+namespace Drupal\system\Tests\Installer;
+
+use Drupal\Component\Serialization\Yaml;
+use Drupal\Core\Database\Database;
+use Drupal\Core\DrupalKernel;
+use Drupal\Core\Site\Settings;
+use Drupal\simpletest\InstallerTestBase;
+use Symfony\Component\HttpFoundation\Request;
+
+
+/**
+ * Tests distribution profile support with existing settings.
+ *
+ * @group Installer
+ */
+class DistributionProfileExistingSettingsTest extends InstallerTestBase {
+
+ /**
+ * The distribution profile info.
+ *
+ * @var array
+ */
+ protected $info;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ $this->info = [
+ 'type' => 'profile',
+ 'core' => \Drupal::CORE_COMPATIBILITY,
+ 'name' => 'Distribution profile',
+ 'distribution' => [
+ 'name' => 'My Distribution',
+ 'install' => [
+ 'theme' => 'bartik',
+ ],
+ ],
+ ];
+ // File API functions are not available yet.
+ $path = $this->siteDirectory . '/profiles/mydistro';
+ mkdir($path, 0777, TRUE);
+ file_put_contents("$path/mydistro.info.yml", Yaml::encode($this->info));
+
+ // Pre-configure hash salt.
+ // Any string is valid, so simply use the class name of this test.
+ $this->settings['settings']['hash_salt'] = (object) [
+ 'value' => __CLASS__,
+ 'required' => TRUE,
+ ];
+
+ // Pre-configure database credentials.
+ $connection_info = Database::getConnectionInfo();
+ unset($connection_info['default']['pdo']);
+ unset($connection_info['default']['init_commands']);
+
+ $this->settings['databases']['default'] = (object) [
+ 'value' => $connection_info,
+ 'required' => TRUE,
+ ];
+
+ // Use the kernel to find the site path because the site.path service should
+ // not be available at this point in the install process.
+ $site_path = DrupalKernel::findSitePath(Request::createFromGlobals());
+ // Pre-configure config directories.
+ $this->settings['config_directories'] = [
+ CONFIG_SYNC_DIRECTORY => (object) [
+ 'value' => $site_path . '/files/config_staging',
+ 'required' => TRUE,
+ ],
+ ];
+ mkdir($this->settings['config_directories'][CONFIG_SYNC_DIRECTORY]->value, 0777, TRUE);
+ parent::setUp();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUpLanguage() {
+ // Make settings file not writable.
+ $filename = $this->siteDirectory . '/settings.php';
+ // Make the settings file read-only.
+ // Not using File API; a potential error must trigger a PHP warning.
+ chmod($filename, 0444);
+
+ // Verify that the distribution name appears.
+ $this->assertRaw($this->info['distribution']['name']);
+ // Verify that the requested theme is used.
+ $this->assertRaw($this->info['distribution']['install']['theme']);
+ // Verify that the "Choose profile" step does not appear.
+ $this->assertNoText('profile');
+
+ parent::setUpLanguage();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUpProfile() {
+ // This step is skipped, because there is a distribution profile.
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUpSettings() {
+ // This step should not appear, since settings.php is fully configured
+ // already.
+ }
+
+ /**
+ * Confirms that the installation succeeded.
+ */
+ public function testInstalled() {
+ $this->assertUrl('user/1');
+ $this->assertResponse(200);
+ // Confirm that we are logged-in after installation.
+ $this->assertText($this->rootUser->getUsername());
+
+ // Confirm that Drupal recognizes this distribution as the current profile.
+ $this->assertEqual(\Drupal::installProfile(), 'mydistro');
+ $this->assertNull(Settings::get('install_profile'), 'The install profile has not been written to settings.php.');
+ $this->assertEqual($this->config('core.extension')->get('profile'), 'mydistro', 'The install profile has been written to core.extension configuration.');
+
+ $this->rebuildContainer();
+ $this->pass('Container can be rebuilt even though distribution is not written to settings.php.');
+ $this->assertEqual(\Drupal::installProfile(), 'mydistro');
+ }
+
+}