function ThemeUiTest::testInstalledIncompatibleTheme

Tests that incompatible themes message is shown.

File

core/modules/system/tests/src/Functional/Theme/ThemeUiTest.php, line 334

Class

ThemeUiTest

Tests the theme UI.

Namespace

Code

public function testInstalledIncompatibleTheme() : void {
  $page = $this->getSession()
    ->getPage();
  $assert_session = $this->assertSession();
  $incompatible_themes_message = 'There are errors with some installed themes. Visit the status report page for more information.';
  $path = \Drupal::getContainer()->getParameter('site.path') . "/themes/changing_theme";
  mkdir($path, 0777, TRUE);
  $file_path = "{$path}/changing_theme.info.yml";
  $theme_name = 'Theme that changes';
  $info = [
    'name' => $theme_name,
    'type' => 'theme',
    'base theme' => FALSE,
  ];
  $compatible_info = $info + [
    'core_version_requirement' => '*',
  ];
  $incompatible_info = $info + [
    'core_version_requirement' => '^1',
  ];
  $this->writeInfoFile($file_path, $compatible_info);
  $this->drupalGet('admin/appearance');
  $this->assertSession()
    ->pageTextNotContains($incompatible_themes_message);
  $page->clickLink("Install {$theme_name} theme");
  $assert_session->addressEquals('admin/appearance');
  $assert_session->pageTextContains("The {$theme_name} theme has been installed");
  $this->writeInfoFile($file_path, $incompatible_info);
  $this->drupalGet('admin/appearance');
  $this->assertSession()
    ->pageTextContains($incompatible_themes_message);
  $this->writeInfoFile($file_path, $compatible_info);
  $this->drupalGet('admin/appearance');
  $this->assertSession()
    ->pageTextNotContains($incompatible_themes_message);
  // Uninstall the theme and ensure that incompatible themes message is not
  // displayed for themes that are not installed.
  $this->uninstallTheme($theme_name);
  $this->writeInfoFile($file_path, $incompatible_info);
  $this->drupalGet('admin/appearance');
  $this->assertSession()
    ->pageTextNotContains($incompatible_themes_message);
}