public function CKEditorIntegrationTest::testOffCanvasStyles in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/ckeditor/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php \Drupal\Tests\ckeditor\FunctionalJavascript\CKEditorIntegrationTest::testOffCanvasStyles()

Tests if CKEditor is properly styled inside an off-canvas dialog.

File

core/modules/ckeditor/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php, line 193

Class

CKEditorIntegrationTest

Tests the integration of CKEditor.

Namespace

Drupal\Tests\ckeditor\FunctionalJavascript

Code

public function testOffCanvasStyles() {
  $assert_session = $this
    ->assertSession();
  $page = $this
    ->getSession()
    ->getPage();
  $this
    ->drupalGet('/ckeditor_test/off_canvas');

  // The "Add Node" link triggers an off-canvas dialog with an add node form
  // that includes CKEditor.
  $page
    ->clickLink('Add Node');
  $assert_session
    ->waitForElementVisible('css', '#drupal-off-canvas');
  $assert_session
    ->assertWaitOnAjaxRequest();

  // Check the background color of two CKEditor elements to confirm they are
  // not overridden by the off-canvas css reset.
  $assert_session
    ->elementExists('css', '.cke_top');
  $ckeditor_top_bg_color = $this
    ->getSession()
    ->evaluateScript('window.getComputedStyle(document.getElementsByClassName(\'cke_top\')[0]).backgroundColor');
  $this
    ->assertEquals('rgb(248, 248, 248)', $ckeditor_top_bg_color);
  $assert_session
    ->elementExists('css', '.cke_button__source');
  $ckeditor_source_button_bg_color = $this
    ->getSession()
    ->evaluateScript('window.getComputedStyle(document.getElementsByClassName(\'cke_button__source\')[0]).backgroundColor');
  $this
    ->assertEquals('rgba(0, 0, 0, 0)', $ckeditor_source_button_bg_color);

  // Check that only one off-canvas style is cached in local storage and that
  // it gets updated with the cache-busting query string.
  $get_cache_keys = 'Object.keys(window.localStorage).filter(function (i) {return i.indexOf(\'Drupal.off-canvas.css.\') === 0})';
  $old_keys = $this
    ->getSession()
    ->evaluateScript($get_cache_keys);

  // Flush the caches to ensure the new timestamp is altered into the
  // drupal.ckeditor library's javascript settings.
  $this
    ->resetAll();

  // Normally flushing caches regenerates the cache busting query string, but
  // as it's based on the request time, it won't change within this test so
  // explicitly set it.
  \Drupal::state()
    ->set('system.css_js_query_string', '0');
  $this
    ->drupalGet('/ckeditor_test/off_canvas');
  $page
    ->clickLink('Add Node');
  $assert_session
    ->waitForElementVisible('css', '#drupal-off-canvas');
  $assert_session
    ->assertWaitOnAjaxRequest();
  $new_keys = $this
    ->getSession()
    ->evaluateScript($get_cache_keys);
  $this
    ->assertCount(1, $old_keys, 'Only one off-canvas style was cached before clearing caches.');
  $this
    ->assertCount(1, $new_keys, 'Only one off-canvas style was cached after clearing caches.');
  $this
    ->assertNotEquals($old_keys, $new_keys, 'Clearing caches changed the off-canvas style cache key.');
}