Bootstrap/js/tests/unit/dropdown.js

$(function () {
  'use strict';

  module('dropdowns plugin')

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

  module('dropdowns', {
    setup: function () {
      // Run all tests in noConflict mode -- it's the only way to ensure that the plugin works in noConflict mode
      $.fn.bootstrapDropdown = $.fn.dropdown.noConflict()
    },
    teardown: function () {
      $.fn.dropdown = $.fn.bootstrapDropdown
      delete $.fn.bootstrapDropdown
    }
  })

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

  test('should return element', function () {
    var el = $('<div />')
    ok(el.bootstrapDropdown()[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>'
    var dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().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>'
    var dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().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>'
    var dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().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>'
    var dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().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>'
    var dropdown = $(dropdownHTML)
          .appendTo('#qunit-fixture')
          .find('[data-toggle="dropdown"]')
          .bootstrapDropdown()
          .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>'
    var dropdowns = $(dropdownHTML).appendTo('#qunit-fixture').find('[data-toggle="dropdown"]')
    var first = dropdowns.first()
    var 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>'
    var dropdown = $(dropdownHTML)
          .appendTo('#qunit-fixture')
          .find('[data-toggle="dropdown"]')
          .bootstrapDropdown()

    stop()

    dropdown
      .parent('.dropdown')
      .on('show.bs.dropdown', function () {
        ok(true, 'show was called')
      })
      .on('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>'
    var dropdown = $(dropdownHTML)
          .appendTo('#qunit-fixture')
          .find('[data-toggle="dropdown"]')
          .bootstrapDropdown()

    stop()

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

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

})