function CKEditorIntegrationTest::testOffCanvasStyles

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

File

core/modules/ckeditor/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php, line 201

Class

CKEditorIntegrationTest

Tests the integration of CKEditor.

Namespace

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.');
}