getBalloonButton example

// Assert the link button is present and not pressed.     $link_button = $this->getEditorButton('Link');
    $this->assertSame('false', $link_button->getAttribute('aria-pressed'));

    // Tests linking images.     $drupalimage->click();
    $this->assertTrue($drupalimage->hasClass('ck-widget_selected'));
    $this->assertEditorButtonEnabled('Link');
    // Assert structure of image toolbar balloon.     $this->assertVisibleBalloon('.ck-toolbar[aria-label="Image toolbar"]');
    $link_image_button = $this->getBalloonButton('Link image');
    // Click the "Link image" button.     $this->assertSame('false', $link_image_button->getAttribute('aria-pressed'));
    $link_image_button->press();
    // Assert structure of link form balloon.     $balloon = $this->assertVisibleBalloon('.ck-link-form');
    $url_input = $balloon->find('css', '.ck-labeled-field-view__input-wrapper .ck-input-text');
    // Fill in link form balloon's <input> and hit "Save".     $url_input->setValue('http://www.drupal.org/association');
    $balloon->pressButton('Save');

    // Assert the "editingDowncast" HTML after making changes. First assert the

$this->pressEditorButton('Insert Media');
    $this->assertNotEmpty($assert_session->waitForElementVisible('css', '#drupal-modal #media-library-content'));
    $assert_session->elementExists('css', '.js-media-library-item')->click();
    $assert_session->elementExists('css', '.ui-dialog-buttonpane')->pressButton('Insert selected');
    $this->assertNotEmpty($assert_session->waitForElementVisible('css', '.ck-widget.drupal-media img'));

    // Test that clicking the media widget triggers a CKEditor balloon panel     // with a single button to override the alt text.     $this->click('.ck-widget.drupal-media');
    $this->assertVisibleBalloon('[aria-label="Drupal Media toolbar"]');
    // Click the "Override media image text alternative" button.     $this->getBalloonButton('Override media image alternative text')->click();
    $this->assertVisibleBalloon('.ck-media-alternative-text-form');
    // Assert that the value is currently empty.     $alt_override_input = $page->find('css', '.ck-balloon-panel .ck-media-alternative-text-form input[type=text]');
    $this->assertSame('', $alt_override_input->getValue());

    $test_alt = 'Alt text override';
    $alt_override_input->setValue($test_alt);
    $this->getBalloonButton('Save')->click();

    $this->assertNotEmpty($assert_session->waitForElementVisible('css', '.ck-widget.drupal-media img[alt*="' . $test_alt . '"]'));
    $xpath = new \DOMXPath($this->getEditorDataAsDom());
    

    $this->click('.ck-content');

    $this->assertNotEmpty($image_upload_field = $page->find('css', '.ck-file-dialog-button input[type="file"]'));
    $image = $this->getTestFiles('image')[0];
    $image_upload_field->attachFile($this->container->get('file_system')->realpath($image->uri));
    $assert_session->waitForElementVisible('css', '.ck-widget.image');

    $this->assertNotEmpty($assert_session->waitForElementVisible('css', '.ck-balloon-panel .ck-text-alternative-form'));
    $alt_override_input = $page->find('css', '.ck-balloon-panel .ck-text-alternative-form input[type=text]');
    $this->assertSame('', $alt_override_input->getValue());
    $alt_override_input->setValue('</em> Kittens & llamas are cute');
    $this->getBalloonButton('Save')->click();
    $page->pressButton('Save');

    $uploaded_image = File::load(1);
    $image_uuid = $uploaded_image->uuid();
    $image_url = $this->container->get('file_url_generator')->generateString($uploaded_image->getFileUri());
    $this->drupalGet('node/1');
    $this->assertNotEmpty($assert_session->waitForElement('xpath', sprintf('//img[@alt="</em> Kittens & llamas are cute" and @data-entity-uuid="%s" and @data-entity-type="file"]', $image_uuid)));

    // Drupal CKEditor 5 integrations overrides the CKEditor 5 HTML writer to     // escape ampersand characters (&) and the angle brackets (< and >). This is     // required because \Drupal\Component\Utility\Xss::filter fails to parse

$table_button->click();

    // Add a single table cell.     $grid_button = $assert_session->waitForElementVisible('css', '.ck-insert-table-dropdown-grid-box[data-row="1"][data-column="1"]');
    $grid_button->click();

    // Confirm the table has been added and no caption is present.     $this->assertNotNull($table_figure = $assert_session->waitForElementVisible('css', 'figure.table'));
    $assert_session->elementNotExists('css', 'figure.table > figcaption');

    // Enable captions and update caption content.     $caption_button = $this->getBalloonButton('Toggle caption on');
    $caption_button->click();
    $caption = $assert_session->waitForElementVisible('css', 'figure.table > figcaption');
    $this->assertEmpty($caption->getText());
    $caption->setValue($this->captionText);
    $this->assertEquals($this->captionText, $caption->getText());

    // Update table cell content.     $table_cell = $assert_session->waitForElement('css', '.ck-editor__nested-editable .ck-table-bogus-paragraph');
    $this->assertNotEmpty($table_cell);
    $table_cell->click();
    $table_cell->setValue($this->tableCellText);
    

    $this->assertNotEmpty($assert_session->waitForElementVisible('css', '.ck-widget.drupal-media img'));
    $assert_session->elementExists('css', '[data-drupal-media-preview][aria-label="Screaming hairy armadillo"]');
    $assert_session->elementContains('css', 'figcaption', '');
    $assert_session->elementAttributeContains('css', 'figcaption', 'data-placeholder', 'Enter media caption');

    // Test if you leave the caption blank, but change another attribute,     // such as the alt text, the editable caption is still there and the edit     // button still exists.     $this->click('.ck-widget.drupal-media');
    $this->assertVisibleBalloon('[aria-label="Drupal Media toolbar"]');
    // Click the "Override media image alternative text" button.     $this->getBalloonButton('Override media image alternative text')->click();
    $this->assertVisibleBalloon('.ck-media-alternative-text-form');
    $alt_override_input = $page->find('css', '.ck-balloon-panel .ck-media-alternative-text-form input[type=text]');

    // Fill in the alt field and submit.     $alt_override_input->setValue('Gold star for robot boy.');
    $this->getBalloonButton('Save')->click();
    $this->assertNotEmpty($assert_session->waitForElementVisible('css', '.drupal-media img[alt*="Gold star for robot boy."]'));
    $this->assertEquals('', $assert_session->waitForElement('css', '.drupal-media figcaption')->getText());
    $assert_session->elementAttributeContains('css', '.drupal-media figcaption', 'data-placeholder', 'Enter media caption');

    // Restore caption in saved body value.