assertHtmlEsqueFieldValueEquals example

  /** * Test headings configuration. */
  public function testHeadingsPlugin() {
    $page = $this->getSession()->getPage();
    $assert_session = $this->assertSession();

    $this->addNewTextFormat($page, $assert_session);
    $this->drupalGet('admin/config/content/formats/manage/ckeditor5');
    $this->assertHtmlEsqueFieldValueEquals('filters[filter_html][settings][allowed_html]', '<br> <p> <h2> <h3> <h4> <h5> <h6> <strong> <em>');

    $this->drupalGet('node/add');
    $this->assertNotEmpty($assert_session->waitForElement('css', '.ck-heading-dropdown button'));

    $page->find('css', '.ck-heading-dropdown button')->click();

    // Get all the headings available in dropdown.     $headings_dropdown = $page->findAll('css', '.ck-heading-dropdown li .ck-button__label');

    // Create array of available headings.     $available_headings = [];
    

$assert_session = $this->assertSession();

    $this->createNewTextFormat($page, $assert_session, 'unicorn');
    $assert_session->assertWaitOnAjaxRequest();

    // Enable the HTML filter.     $this->assertTrue($page->hasUncheckedField('filters[filter_html][status]'));
    $page->checkField('filters[filter_html][status]');
    $assert_session->assertWaitOnAjaxRequest();

    // Confirm the allowed HTML tags are the defaults initially.     $this->assertHtmlEsqueFieldValueEquals('filters[filter_html][settings][allowed_html]', $this->defaultElementsWhenUpdatingNotCkeditor5);

    $this->saveNewTextFormat($page, $assert_session);
    $assert_session->pageTextContains('Added text format unicorn');

    // Return to the config form to confirm that switching text editors on     // existing formats will properly switch allowed tags.     $this->drupalGet('admin/config/content/formats/manage/unicorn');
    $assert_session->assertWaitOnAjaxRequest();
    $this->assertHtmlEsqueFieldValueEquals('filters[filter_html][settings][allowed_html]', $this->defaultElementsWhenUpdatingNotCkeditor5);

    $page->selectFieldOption('editor[editor]', 'ckeditor5');