public function ThemeLegacyTest::testThemeFunctionSuggestionsAlter in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/tests/src/Functional/Theme/ThemeLegacyTest.php \Drupal\Tests\system\Functional\Theme\ThemeLegacyTest::testThemeFunctionSuggestionsAlter()

Tests that theme suggestion alter hooks work for theme functions.

File

core/modules/system/tests/src/Functional/Theme/ThemeLegacyTest.php, line 45

Class

ThemeLegacyTest

Tests legacy theme functions.

Namespace

Drupal\Tests\system\Functional\Theme

Code

public function testThemeFunctionSuggestionsAlter() {
  $this
    ->drupalGet('theme-test/function-suggestion-alter');
  $this
    ->assertSession()
    ->pageTextContains('Original theme function.');

  // Install test_theme and test that themes can alter theme suggestions.
  $this
    ->config('system.theme')
    ->set('default', 'test_legacy_theme')
    ->save();
  $this
    ->drupalGet('theme-test/function-suggestion-alter');
  $this
    ->assertSession()
    ->pageTextContains('Theme function overridden based on new theme suggestion provided by the test_legacy_theme theme.');

  // Enable the theme_suggestions_test module to test modules implementing
  // suggestions alter hooks.
  \Drupal::service('module_installer')
    ->install([
    'theme_legacy_suggestions_test',
  ]);
  $this
    ->resetAll();
  $this
    ->drupalGet('theme-test/function-suggestion-alter');
  $this
    ->assertSession()
    ->pageTextContains('Theme function overridden based on new theme suggestion provided by a module.');
}