public function ActiveThemeLegacyTest::testGetBaseThemes in Drupal 8

Tests \Drupal\Core\Theme\ActiveTheme::getBaseThemes() deprecation.

@covers ::getBaseThemes @expectedDeprecation \Drupal\Core\Theme\ActiveTheme::getBaseThemes() is deprecated in Drupal 8.7.0 and will be removed before Drupal 9.0.0. Use \Drupal\Core\Theme\ActiveTheme::getBaseThemeExtensions() instead. See https://www.drupal.org/node/3019948

File

core/tests/Drupal/KernelTests/Core/Theme/ActiveThemeLegacyTest.php, line 28

Class

ActiveThemeLegacyTest

Tests legacy code in ActiveTheme.

Namespace

Drupal\KernelTests\Core\Theme

Code

public function testGetBaseThemes() {
  $this->container
    ->get('theme_installer')
    ->install([
    'test_subsubtheme',
  ]);
  $this
    ->config('system.theme')
    ->set('default', 'test_subsubtheme')
    ->save();
  $active_theme = \Drupal::theme()
    ->getActiveTheme();

  // Ensure that active theme representations of base themes can be retrieved.
  $base_themes = $active_theme
    ->getBaseThemes();
  $this
    ->assertInstanceOf(ActiveTheme::class, $base_themes['test_subtheme']);
  $this
    ->assertSame([
    'test_subtheme',
    'test_basetheme',
  ], array_keys($base_themes));

  // Ensure that we can get base themes from base themes.
  $test_subtheme_base_themes = $base_themes['test_subtheme']
    ->getBaseThemes();
  $this
    ->assertSame([
    'test_basetheme',
  ], array_keys($test_subtheme_base_themes));
  $this
    ->assertEmpty($test_subtheme_base_themes['test_basetheme']
    ->getBaseThemes());
}