class StableUninstallUpdateTest

class StableUninstallUpdateTest extends UpdatePathTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected function setDatabaseDumpFiles() {
    $this->databaseDumpFiles = [
      __DIR__ . '/../../../fixtures/update/drupal-8.8.0.bare.standard.php.gz',
    ];
  }
  
  /**
   * Ensures that Stable is disabled if it's no longer needed.
   */
  public function testUpdate() {
    /** @var \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler */
    $theme_handler = $this->container
      ->get('theme_handler');
    $this->assertTrue($theme_handler->themeExists('stable'));
    $this->assertTrue($theme_handler->themeExists('seven'));
    $this->runUpdates();
    // Ensure that Stable is not installed after running updates.
    $theme_handler->refreshInfo();
    $this->assertFalse($theme_handler->themeExists('stable'));
    $this->assertTrue($theme_handler->themeExists('seven'));
  }
  
  /**
   * Ensures that updates run without errors when Stable is not installed.
   */
  public function testUpdateStableNotInstalled() {
    /** @var \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler */
    $theme_handler = $this->container
      ->get('theme_handler');
    $theme_list = array_keys($theme_handler->listInfo());
    /** @var \Drupal\Core\Extension\ThemeInstallerInterface $theme_installer */
    $theme_installer = $this->container
      ->get('theme_installer');
    $theme_installer->install([
      'stark',
    ]);
    $this->container
      ->get('config.factory')
      ->getEditable('system.theme')
      ->set('default', 'stark')
      ->set('admin', '')
      ->save();
    $theme_handler->refreshInfo();
    // Uninstall all themes that were installed prior to enabling Stark.
    $theme_installer->uninstall($theme_list);
    // Ensure that Stable is not installed anymore.
    $theme_handler->refreshInfo();
    $this->assertFalse($theme_handler->themeExists('stable'));
    $this->runUpdates();
    $theme_handler->refreshInfo();
    $this->assertFalse($theme_handler->themeExists('stable'));
  }
  
  /**
   * Ensures that updates run without errors when Stable is still needed.
   */
  public function testUpdateStableNeeded() {
    /** @var \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler */
    $theme_handler = $this->container
      ->get('theme_handler');
    /** @var \Drupal\Core\Extension\ThemeInstallerInterface $theme_installer */
    $theme_installer = $this->container
      ->get('theme_installer');
    $theme_installer->install([
      'test_theme_depending_on_stable',
    ]);
    $this->assertTrue($theme_handler->themeExists('stable'));
    $this->runUpdates();
    // Ensure that Stable is still installed after running tests.
    $theme_handler->refreshInfo();
    $this->assertTrue($theme_handler->themeExists('stable'));
  }

}