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.');
}