Select2Test.php in Select 2 8

Namespace

Drupal\Tests\select2\Kernel\Element

File

tests/src/Kernel/Element/Select2Test.php

<?php

namespace Drupal\Tests\select2\Kernel\Element;

use Drupal\KernelTests\KernelTestBase;

/**
 * @coversDefaultClass \Drupal\select2\Element\Select2
 *
 * @group select2
 */
class Select2Test extends KernelTestBase {

  /**
   * {@inheritdoc}
   */
  public static $modules = [
    'system',
    'select2',
  ];

  /**
   * @covers ::preRenderSelect
   * @covers ::preRenderAutocomplete
   */
  public function testSelect2Theming() {
    $select = [
      '#type' => 'select2',
      '#options' => [],
      '#required' => FALSE,
      '#attributes' => [
        'data-drupal-selector' => 'field-foo',
      ],
    ];
    $this
      ->render($select);
    $select2_js = $this
      ->xpath("//script[contains(@src, 'select2/js/select2.js')]");
    $this
      ->assertEquals(1, count($select2_js));
    $select2_js = $this
      ->xpath("//script[contains(@src, 'select2/dist/js/select2.min.js')]");
    $this
      ->assertEquals(1, count($select2_js));
  }

  /**
   * Tests that an empty option is added or not.
   */
  public function testEmptyOption() {
    $select = [
      '#type' => 'select2',
      '#options' => [],
      '#multiple' => FALSE,
      '#required' => FALSE,
      '#attributes' => [
        'data-drupal-selector' => 'field-foo',
      ],
    ];
    $this
      ->render($select);
    $this
      ->assertOptionExists('field-foo', '');
    $select = [
      '#type' => 'select2',
      '#options' => [],
      '#multiple' => TRUE,
      '#required' => FALSE,
      '#attributes' => [
        'data-drupal-selector' => 'field-foo',
      ],
      '#name' => 'field_foo',
    ];
    $this
      ->render($select);
    $this
      ->assertOptionNotExists('field-foo', '');
  }

  /**
   * Tests that in autocomplete are only the default options rendered.
   */
  public function testAutocompleteOptions() {
    $select = [
      '#type' => 'select2',
      '#options' => [
        'foo' => 'Foo',
        'bar' => 'Bar',
        'foo_bar' => 'FooBar',
      ],
      '#default_value' => [
        'foo',
      ],
      '#autocomplete' => TRUE,
      '#target_type' => 'node',
      '#required' => FALSE,
      '#attributes' => [
        'data-drupal-selector' => 'field-foo',
      ],
    ];
    $this
      ->render($select);
    $this
      ->assertOptionExists('field-foo', 'foo');
    $this
      ->assertOptionNotExists('field-foo', 'bar');
    $this
      ->assertOptionNotExists('field-foo', 'foo_bar');
  }

  /**
   * Tests that a select option exists.
   *
   * @param string $selector
   *   The data-drupal-selector.
   * @param string $value
   *   The value of the option.
   */
  protected function assertOptionExists($selector, $value) {
    $select = $this
      ->xpath('//select[@data-drupal-selector="' . $selector . '"]/option[@value="' . $value . '"]');
    $this
      ->assertEquals(1, count($select));
  }

  /**
   * Tests that a select option not exists.
   *
   * @param string $selector
   *   The data-drupal-selector.
   * @param string $value
   *   The value of the option.
   */
  protected function assertOptionNotExists($selector, $value) {
    $select = $this
      ->xpath('//select[@data-drupal-selector="' . $selector . '"]/option[@value="' . $value . '"]');
    $this
      ->assertEquals(0, count($select));
  }

}

Classes

Name	Description
Select2Test	@coversDefaultClass \Drupal\select2\Element\Select2