function ThemeInstallerTest::testUninstallAdmin

Tests uninstalling the admin theme.

File

core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php, line 288

Class

ThemeInstallerTest

Tests installing and uninstalling of themes.

Namespace

Code

public function testUninstallAdmin() : void {
  $name = 'stark';
  $other_name = 'olivero';
  $this->themeInstaller()
    ->install([
    $name,
    $other_name,
  ]);
  $this->config('system.theme')
    ->set('admin', $name)
    ->save();
  $themes = $this->themeHandler()
    ->listInfo();
  $this->assertTrue(isset($themes[$name]));
  $this->assertTrue(isset($themes[$other_name]));
  try {
    $message = 'ThemeInstaller::uninstall() throws InvalidArgumentException upon disabling admin theme.';
    $this->themeInstaller()
      ->uninstall([
      $name,
    ]);
    $this->fail($message);
  } catch (\Exception $e) {
    $this->assertInstanceOf(\InvalidArgumentException::class, $e);
  }
  $themes = $this->themeHandler()
    ->listInfo();
  $this->assertTrue(isset($themes[$name]));
  $this->assertTrue(isset($themes[$other_name]));
}