function BaseThemeRequiredTest::testWildWest

Tests opting out of Stable 9 by setting the base theme to false.

File

core/tests/Drupal/KernelTests/Core/Theme/BaseThemeRequiredTest.php, line 48

Class

BaseThemeRequiredTest

Tests the behavior of the `base theme` key.

Namespace

Code

public function testWildWest() : void {
  $this->themeInstaller
    ->install([
    'test_wild_west',
  ]);
  $this->config('system.theme')
    ->set('default', 'test_wild_west')
    ->save();
  $theme = $this->themeManager
    ->getActiveTheme();
  /** @var \Drupal\Core\Theme\ActiveTheme $base_theme */
  $base_themes = $theme->getBaseThemeExtensions();
  $this->assertEmpty($base_themes, 'No base theme is set when a theme has opted out of using Stable 9.');
}