select2/tests/dropdown/search-a11y-tests.js

QUnit.module('Dropdown - Search - Accessibility');

var Utils = require('select2/utils');

var Dropdown = require('select2/dropdown');
var DropdownSearch = Utils.Decorate(
  Dropdown,
  require('select2/dropdown/search')
);

var $ = require('jquery');

var Options = require('select2/options');
var options = new Options({});

QUnit.test('role attribute is set to searchbox', function (assert) {
  var $select = $('#qunit-fixture .single');

  var dropdown = new DropdownSearch($select, options);
  var $dropdown = dropdown.render();

  var container = new MockContainer();
  dropdown.bind(container, $('<span></span>'));

  assert.equal(
    $dropdown.find('input').attr('role'),
    'searchbox',
    'The search box is marked as a search box'
  );
});

QUnit.test('aria-autocomplete attribute is present', function (assert) {
  var $select = $('#qunit-fixture .single');

  var dropdown = new DropdownSearch($select, options);
  var $dropdown = dropdown.render();

  var container = new MockContainer();
  dropdown.bind(container, $('<span></span>'));

  assert.equal(
    $dropdown.find('input').attr('aria-autocomplete'),
    'list',
    'The search box is marked as autocomplete'
  );
});

QUnit.test(
  'aria-activedescendant should not be set initiailly',
  function (assert) {
    var $select = $('#qunit-fixture .single');

    var dropdown = new DropdownSearch($select, options);
    var $dropdown = dropdown.render();

    var container = new MockContainer();
    dropdown.bind(container, $('<span></span>'));

    var $search = $dropdown.find('input');

    assert.ok(
      !$search.attr('aria-activedescendant'),
      'The search box should not point to anything when it is first rendered'
    );
  }
);

QUnit.test(
  'aria-activedescendant should be set after highlight',
  function (assert) {
    var $select = $('#qunit-fixture .single');

    var dropdown = new DropdownSearch($select, options);
    var $dropdown = dropdown.render();

    var container = new MockContainer();
    dropdown.bind(container, $('<span></span>'));

    container.trigger('results:focus', {
      data: {
        _resultId: 'test'
      }
    });

    var $search = $dropdown.find('input');

    assert.equal(
      $search.attr('aria-activedescendant'),
      'test',
      'The search is pointing to the focused result'
    );
  }
);

QUnit.test(
  'activedescendant should remove if there is no ID',
  function (assert) {
    var $select = $('#qunit-fixture .single');

    var dropdown = new DropdownSearch($select, options);
    var $dropdown = dropdown.render();

    var container = new MockContainer();
    dropdown.bind(container, $('<span></span>'));

    var $search = $dropdown.find('input');
    $search.attr('aria-activedescendant', 'test');

    container.trigger('results:focus', {
      data: {}
    });

    assert.ok(
      !$search.attr('aria-activedescendant'),
      'There is no result for the search to be pointing to'
    );
  }
);

QUnit.test(
  'aria-activedescendant should be removed when closed',
  function (assert) {
    var $select = $('#qunit-fixture .single');

    var dropdown = new DropdownSearch($select, options);
    var $dropdown = dropdown.render();

    var container = new MockContainer();
    dropdown.bind(container, $('<span></span>'));

    var $search = $dropdown.find('input');
    $search.attr('aria-activedescendant', 'something');

    container.trigger('close');

    assert.ok(
      !$search.attr('aria-activedescendant'),
      'There is no active descendant when the dropdown is closed'
    );
  }
);

QUnit.test('aria-controls should not be set initiailly', function (assert) {
  var $select = $('#qunit-fixture .single');

  var dropdown = new DropdownSearch($select, options);
  var $dropdown = dropdown.render();

  var container = new MockContainer();
  dropdown.bind(container, $('<span></span>'));

  var $search = $dropdown.find('input');

  assert.ok(
    !$search.attr('aria-controls'),
    'The search box should not point to the results when it is first rendered'
  );
});

QUnit.test('aria-controls should be set when opened', function (assert) {
  var $select = $('#qunit-fixture .single');

  var dropdown = new DropdownSearch($select, options);
  var $dropdown = dropdown.render();

  var container = new MockContainer();
  dropdown.bind(container, $('<span></span>'));

  var $search = $dropdown.find('input');

  container.trigger('open');

  assert.ok(
    $search.attr('aria-controls'),
    'The search should point to the results when it is opened'
  );
});

QUnit.test('aria-controls should be removed when closed', function (assert) {
  var $select = $('#qunit-fixture .single');

  var dropdown = new DropdownSearch($select, options);
  var $dropdown = dropdown.render();

  var container = new MockContainer();
  dropdown.bind(container, $('<span></span>'));

  var $search = $dropdown.find('input');
  $search.attr('aria-controls', 'something');

  container.trigger('close');

  assert.ok(
    !$search.attr('aria-controls'),
    'There are no results for the search box to point to when it is closed'
  );
});