function ThemeUninstallConfirmTest::testCannotUninstallBaseThemeWithDependentSubThemes

Tests that a base theme with dependent sub-themes cannot be uninstalled.

File

core/modules/system/tests/src/Functional/Theme/ThemeUninstallConfirmTest.php, line 101

Class

ThemeUninstallConfirmTest

Tests the theme uninstall confirmation form.

Namespace

Code

public function testCannotUninstallBaseThemeWithDependentSubThemes() : void {
  \Drupal::service('theme_installer')->install([
    'test_base_theme',
    'test_subtheme',
  ]);
  $this->drupalGet('admin/appearance/uninstall', [
    'query' => [
      'theme' => 'test_base_theme',
    ],
  ]);
  $this->assertSession()
    ->addressEquals('admin/appearance');
  $this->assertSession()
    ->pageTextContains('Theme test base theme cannot be uninstalled because the following themes depend on it: Theme test subtheme');
  $this->drupalGet('admin/appearance/uninstall', [
    'query' => [
      'theme' => 'test_subtheme',
    ],
  ]);
  $this->submitForm([], 'Uninstall');
  $this->assertSession()
    ->pageTextContains('The Theme test subtheme theme has been uninstalled');
  $this->drupalGet('admin/appearance/uninstall', [
    'query' => [
      'theme' => 'test_base_theme',
    ],
  ]);
  $this->submitForm([], 'Uninstall');
  $this->assertSession()
    ->pageTextContains('The Theme test base theme theme has been uninstalled');
}