function ThemeSuggestionsAlterTest::testGeneralSuggestionsAlter

Tests hook_theme_suggestions_alter().

File

core/modules/system/tests/src/Functional/Theme/ThemeSuggestionsAlterTest.php, line 55

Class

ThemeSuggestionsAlterTest

Tests theme suggestion alter hooks.

Namespace

Code

public function testGeneralSuggestionsAlter() : void {
    $this->drupalGet('theme-test/general-suggestion-alter');
    $this->assertSession()
        ->pageTextContains('Original template for testing hook_theme_suggestions_alter().');
    $this->assertSession()
        ->pageTextContains('Hooks: theme_test_theme none');
    // Install test_theme and test that themes can alter template suggestions.
    $this->config('system.theme')
        ->set('default', 'test_theme')
        ->save();
    $this->drupalGet('theme-test/general-suggestion-alter');
    $this->assertSession()
        ->pageTextContains('Template overridden based on new theme suggestion provided by the test_theme theme via hook_theme_suggestions_alter().');
    $this->assertSession()
        ->pageTextContains('Hooks: theme_test_theme test_theme_theme_suggestions_alter');
    // Enable the theme_suggestions_test module to test modules implementing
    // suggestions alter hooks.
    \Drupal::service('module_installer')->install([
        'theme_suggestions_test',
    ]);
    $this->resetAll();
    $this->drupalGet('theme-test/general-suggestion-alter');
    $this->assertSession()
        ->pageTextContains('Template overridden based on new theme suggestion provided by a module via hook_theme_suggestions_alter().');
    $this->assertSession()
        ->pageTextContains('Hooks: theme_suggestions_test_theme_suggestions_alter test_theme_theme_suggestions_alter');
}