public function ThemeInstallerTest::testEmpty in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php \Drupal\KernelTests\Core\Theme\ThemeInstallerTest::testEmpty()
2. 10 core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php \Drupal\KernelTests\Core\Theme\ThemeInstallerTest::testEmpty()

Verifies that no themes are installed by default.

File

core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php, line 45

Class

ThemeInstallerTest

Tests installing and uninstalling of themes.

Namespace

Drupal\KernelTests\Core\Theme

Code

public function testEmpty() {
  $this
    ->assertEmpty($this
    ->extensionConfig()
    ->get('theme'));
  $this
    ->assertEmpty(array_keys($this
    ->themeHandler()
    ->listInfo()));
  $this
    ->assertEmpty(array_keys(\Drupal::service('theme_handler')
    ->listInfo()));

  // Rebuilding available themes should always yield results though.
  $this
    ->assertNotEmpty($this
    ->themeHandler()
    ->rebuildThemeData()['stark'], 'ThemeHandler::rebuildThemeData() yields all available themes.');

  // theme_get_setting() should return global default theme settings.
  $this
    ->assertTrue(theme_get_setting('features.favicon'));
}