Bootstrap/js/tests/unit/dropdown.js

$(function () {

    module('dropdowns')

      test('should provide no conflict', function () {
        var dropdown = $.fn.dropdown.noConflict()
        ok(!$.fn.dropdown, 'dropdown was set back to undefined (org value)')
        $.fn.dropdown = dropdown
      })

      test('should be defined on jquery object', function () {
        ok($(document.body).dropdown, 'dropdown method is defined')
      })

      test('should return element', function () {
        var el = $('<div />')
        ok(el.dropdown()[0] === el[0], 'same element returned')
      })

      test('should not open dropdown if target is disabled', function () {
        var dropdownHTML = '<ul class="tabs">' +
            '<li class="dropdown">' +
            '<button disabled href="#" class="btn dropdown-toggle" data-toggle="dropdown">Dropdown</button>' +
            '<ul class="dropdown-menu">' +
            '<li><a href="#">Secondary link</a></li>' +
            '<li><a href="#">Something else here</a></li>' +
            '<li class="divider"></li>' +
            '<li><a href="#">Another link</a></li>' +
            '</ul>' +
            '</li>' +
            '</ul>',
            dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').dropdown().click()

        ok(!dropdown.parent('.dropdown').hasClass('open'), 'open class added on click')
      })

      test('should not open dropdown if target is disabled', function () {
        var dropdownHTML = '<ul class="tabs">' +
            '<li class="dropdown">' +
            '<button href="#" class="btn dropdown-toggle disabled" data-toggle="dropdown">Dropdown</button>' +
            '<ul class="dropdown-menu">' +
            '<li><a href="#">Secondary link</a></li>' +
            '<li><a href="#">Something else here</a></li>' +
            '<li class="divider"></li>' +
            '<li><a href="#">Another link</a></li>' +
            '</ul>' +
            '</li>' +
            '</ul>',
            dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').dropdown().click()

        ok(!dropdown.parent('.dropdown').hasClass('open'), 'open class added on click')
      })

      test('should add class open to menu if clicked', function () {
        var dropdownHTML = '<ul class="tabs">' +
            '<li class="dropdown">' +
            '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
            '<ul class="dropdown-menu">' +
            '<li><a href="#">Secondary link</a></li>' +
            '<li><a href="#">Something else here</a></li>' +
            '<li class="divider"></li>' +
            '<li><a href="#">Another link</a></li>' +
            '</ul>' +
            '</li>' +
            '</ul>',
            dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').dropdown().click()

        ok(dropdown.parent('.dropdown').hasClass('open'), 'open class added on click')
      })

      test('should test if element has a # before assuming it\'s a selector', function () {
        var dropdownHTML = '<ul class="tabs">' +
            '<li class="dropdown">' +
            '<a href="/foo/" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
            '<ul class="dropdown-menu">' +
            '<li><a href="#">Secondary link</a></li>' +
            '<li><a href="#">Something else here</a></li>' +
            '<li class="divider"></li>' +
            '<li><a href="#">Another link</a></li>' +
            '</ul>' +
            '</li>' +
            '</ul>',
            dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').dropdown().click()

        ok(dropdown.parent('.dropdown').hasClass('open'), 'open class added on click')
      })


      test('should remove open class if body clicked', function () {
        var dropdownHTML = '<ul class="tabs">' +
            '<li class="dropdown">' +
            '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
            '<ul class="dropdown-menu">' +
            '<li><a href="#">Secondary link</a></li>' +
            '<li><a href="#">Something else here</a></li>' +
            '<li class="divider"></li>' +
            '<li><a href="#">Another link</a></li>' +
            '</ul>' +
            '</li>' +
            '</ul>',
            dropdown = $(dropdownHTML)
              .appendTo('#qunit-fixture')
              .find('[data-toggle="dropdown"]')
              .dropdown()
              .click()

        ok(dropdown.parent('.dropdown').hasClass('open'), 'open class added on click')
        $('body').click()
        ok(!dropdown.parent('.dropdown').hasClass('open'), 'open class removed')
        dropdown.remove()
      })

      test('should remove open class if body clicked, with multiple drop downs', function () {
          var dropdownHTML = '<ul class="nav">' +
              '    <li><a href="#menu1">Menu 1</a></li>' +
              '    <li class="dropdown" id="testmenu">' +
              '      <a class="dropdown-toggle" data-toggle="dropdown" href="#testmenu">Test menu <b class="caret"></b></a>' +
              '      <ul class="dropdown-menu" role="menu">' +
              '        <li><a href="#sub1">Submenu 1</a></li>' +
              '      </ul>' +
              '    </li>' +
              '</ul>' +
              '<div class="btn-group">' +
              '    <button class="btn">Actions</button>' +
              '    <button class="btn dropdown-toggle" data-toggle="dropdown"><span class="caret"></span></button>' +
              '    <ul class="dropdown-menu">' +
              '        <li><a href="#">Action 1</a></li>' +
              '    </ul>' +
              '</div>',
              dropdowns = $(dropdownHTML).appendTo('#qunit-fixture').find('[data-toggle="dropdown"]'),
              first = dropdowns.first(),
              last = dropdowns.last()

        ok(dropdowns.length == 2, 'Should be two dropdowns')

        first.click()
        ok(first.parents('.open').length == 1, 'open class added on click')
        ok($('#qunit-fixture .open').length == 1, 'only one object is open')
        $('body').click()
        ok($('#qunit-fixture .open').length === 0, 'open class removed')

        last.click()
        ok(last.parent('.open').length == 1, 'open class added on click')
        ok($('#qunit-fixture .open').length == 1, 'only one object is open')
        $('body').click()
        ok($('#qunit-fixture .open').length === 0, 'open class removed')

        $('#qunit-fixture').html('')
      })

      test('should fire show and hide event', function () {
        var dropdownHTML = '<ul class="tabs">' +
            '<li class="dropdown">' +
            '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
            '<ul class="dropdown-menu">' +
            '<li><a href="#">Secondary link</a></li>' +
            '<li><a href="#">Something else here</a></li>' +
            '<li class="divider"></li>' +
            '<li><a href="#">Another link</a></li>' +
            '</ul>' +
            '</li>' +
            '</ul>',
            dropdown = $(dropdownHTML)
              .appendTo('#qunit-fixture')
              .find('[data-toggle="dropdown"]')
              .dropdown()

        stop()

        dropdown
          .parent('.dropdown')
          .bind('show.bs.dropdown', function () {
            ok(true, 'show was called')
          })
          .bind('hide.bs.dropdown', function () {
            ok(true, 'hide was called')
            start()
          })

        dropdown.click()
        $(document.body).click()
      })


      test('should fire shown and hiden event', function () {
        var dropdownHTML = '<ul class="tabs">' +
            '<li class="dropdown">' +
            '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>' +
            '<ul class="dropdown-menu">' +
            '<li><a href="#">Secondary link</a></li>' +
            '<li><a href="#">Something else here</a></li>' +
            '<li class="divider"></li>' +
            '<li><a href="#">Another link</a></li>' +
            '</ul>' +
            '</li>' +
            '</ul>',
            dropdown = $(dropdownHTML)
              .appendTo('#qunit-fixture')
              .find('[data-toggle="dropdown"]')
              .dropdown()

        stop()

        dropdown
          .parent('.dropdown')
          .bind('shown.bs.dropdown', function () {
            ok(true, 'show was called')
          })
          .bind('hidden.bs.dropdown', function () {
            ok(true, 'hide was called')
            start()
          })

        dropdown.click()
        $(document.body).click()
      })

})