public function OptionsWidgetsTest::testEmptyValue in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/options/tests/src/Functional/OptionsWidgetsTest.php \Drupal\Tests\options\Functional\OptionsWidgetsTest::testEmptyValue()

Tests the 'options_select' and 'options_button' widget for empty value.

File

core/modules/options/tests/src/Functional/OptionsWidgetsTest.php, line 542

Class

OptionsWidgetsTest

Tests the Options widgets.

Namespace

Drupal\Tests\options\Functional

Code

public function testEmptyValue() {

  // Create an instance of the 'single value' field.
  $field = FieldConfig::create([
    'field_storage' => $this->card1,
    'bundle' => 'entity_test',
  ]);
  $field
    ->save();

  /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
  $display_repository = \Drupal::service('entity_display.repository');

  // Change it to the check boxes/radio buttons widget.
  $display_repository
    ->getFormDisplay('entity_test', 'entity_test')
    ->setComponent($this->card1
    ->getName(), [
    'type' => 'options_buttons',
  ])
    ->save();

  // Create an entity.
  $entity = EntityTest::create([
    'user_id' => 1,
    'name' => $this
      ->randomMachineName(),
  ]);
  $entity
    ->save();

  // Display form: check that _none options are present and has label.
  $this
    ->drupalGet('entity_test/manage/' . $entity
    ->id() . '/edit');
  $this
    ->assertNotEmpty($this
    ->xpath('//div[@id=:id]//input[@value=:value]', [
    ':id' => 'edit-card-1',
    ':value' => '_none',
  ]), 'A test radio button has a "None" choice.');
  $this
    ->assertNotEmpty($this
    ->xpath('//div[@id=:id]//label[@for=:for and text()=:label]', [
    ':id' => 'edit-card-1',
    ':for' => 'edit-card-1-none',
    ':label' => 'N/A',
  ]), 'A test radio button has a "N/A" choice.');

  // Change it to the select widget.
  $display_repository
    ->getFormDisplay('entity_test', 'entity_test')
    ->setComponent($this->card1
    ->getName(), [
    'type' => 'options_select',
  ])
    ->save();

  // Display form: check that _none options are present and has label.
  $this
    ->drupalGet('entity_test/manage/' . $entity
    ->id() . '/edit');

  // A required field without any value has a "none" option.
  $this
    ->assertNotEmpty($this
    ->xpath('//select[@id=:id]//option[@value="_none" and text()=:label]', [
    ':id' => 'edit-card-1',
    ':label' => '- None -',
  ]), 'A test select has a "None" choice.');
}