$(function () { 'use strict' QUnit.module('collapse plugin') QUnit.test('should be defined on jquery object', function (assert) { assert.expect(1) assert.ok($(document.body).collapse, 'collapse method is defined') }) QUnit.module('collapse', { beforeEach: function () { // Run all tests in noConflict mode -- it's the only way to ensure that the plugin works in noConflict mode $.fn.bootstrapCollapse = $.fn.collapse.noConflict() }, afterEach: function () { $.fn.collapse = $.fn.bootstrapCollapse delete $.fn.bootstrapCollapse } }) QUnit.test('should provide no conflict', function (assert) { assert.expect(1) assert.strictEqual($.fn.collapse, undefined, 'collapse was set back to undefined (org value)') }) QUnit.test('should throw explicit error on undefined method', function (assert) { assert.expect(1) var $el = $('<div/>') $el.bootstrapCollapse() try { $el.bootstrapCollapse('noMethod') } catch (err) { assert.strictEqual(err.message, 'No method named "noMethod"') } }) QUnit.test('should return jquery collection containing the element', function (assert) { assert.expect(2) var $el = $('<div/>') var $collapse = $el.bootstrapCollapse() assert.ok($collapse instanceof $, 'returns jquery collection') assert.strictEqual($collapse[0], $el[0], 'collection contains element') }) QUnit.test('should show a collapsed element', function (assert) { assert.expect(2) var $el = $('<div class="collapse"/>').bootstrapCollapse('show') assert.ok($el.hasClass('show'), 'has class "show"') assert.ok(!/height/i.test($el.attr('style')), 'has height reset') }) QUnit.test('should show multiple collapsed elements', function (assert) { assert.expect(4) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href=".multi"/>').appendTo('#qunit-fixture') var $el = $('<div class="collapse multi"/>').appendTo('#qunit-fixture') var $el2 = $('<div class="collapse multi"/>').appendTo('#qunit-fixture') $el.one('shown.bs.collapse', function () { assert.ok($el.hasClass('show'), 'has class "show"') assert.ok(!/height/i.test($el.attr('style')), 'has height reset') }) $el2.one('shown.bs.collapse', function () { assert.ok($el2.hasClass('show'), 'has class "show"') assert.ok(!/height/i.test($el2.attr('style')), 'has height reset') done() }) $target.trigger('click') }) QUnit.test('should collapse only the first collapse', function (assert) { assert.expect(2) var done = assert.async() var html = [ '<div class="panel-group" id="accordion1">', '<div class="panel">', '<div id="collapse1" class="collapse"/>', '</div>', '</div>', '<div class="panel-group" id="accordion2">', '<div class="panel">', '<div id="collapse2" class="collapse show"/>', '</div>', '</div>' ].join('') $(html).appendTo('#qunit-fixture') var $el1 = $('#collapse1') var $el2 = $('#collapse2') $el1.one('shown.bs.collapse', function () { assert.ok($el1.hasClass('show')) assert.ok($el2.hasClass('show')) done() }).bootstrapCollapse('show') }) QUnit.test('should hide a collapsed element', function (assert) { assert.expect(1) var $el = $('<div class="collapse"/>').bootstrapCollapse('hide') assert.ok(!$el.hasClass('show'), 'does not have class "show"') }) QUnit.test('should not fire shown when show is prevented', function (assert) { assert.expect(1) var done = assert.async() $('<div class="collapse"/>') .on('show.bs.collapse', function (e) { e.preventDefault() assert.ok(true, 'show event fired') done() }) .on('shown.bs.collapse', function () { assert.ok(false, 'shown event fired') }) .bootstrapCollapse('show') }) QUnit.test('should reset style to auto after finishing opening collapse', function (assert) { assert.expect(2) var done = assert.async() $('<div class="collapse" style="height: 0px"/>') .on('show.bs.collapse', function () { assert.strictEqual(this.style.height, '0px', 'height is 0px') }) .on('shown.bs.collapse', function () { assert.strictEqual(this.style.height, '', 'height is auto') done() }) .bootstrapCollapse('show') }) QUnit.test('should reset style to auto after finishing closing collapse', function (assert) { assert.expect(1) var done = assert.async() $('<div class="collapse"/>') .on('shown.bs.collapse', function () { $(this).bootstrapCollapse('hide') }) .on('hidden.bs.collapse', function () { assert.strictEqual(this.style.height, '', 'height is auto') done() }) .bootstrapCollapse('show') }) QUnit.test('should remove "collapsed" class from target when collapse is shown', function (assert) { assert.expect(1) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture') $('<div id="test1"/>') .appendTo('#qunit-fixture') .on('shown.bs.collapse', function () { assert.ok(!$target.hasClass('collapsed'), 'target does not have collapsed class') done() }) $target.trigger('click') }) QUnit.test('should add "collapsed" class to target when collapse is hidden', function (assert) { assert.expect(1) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture') $('<div id="test1" class="show"/>') .appendTo('#qunit-fixture') .on('hidden.bs.collapse', function () { assert.ok($target.hasClass('collapsed'), 'target has collapsed class') done() }) $target.trigger('click') }) QUnit.test('should remove "collapsed" class from all triggers targeting the collapse when the collapse is shown', function (assert) { assert.expect(2) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture') var $alt = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture') $('<div id="test1"/>') .appendTo('#qunit-fixture') .on('shown.bs.collapse', function () { assert.ok(!$target.hasClass('collapsed'), 'target trigger does not have collapsed class') assert.ok(!$alt.hasClass('collapsed'), 'alt trigger does not have collapsed class') done() }) $target.trigger('click') }) QUnit.test('should add "collapsed" class to all triggers targeting the collapse when the collapse is hidden', function (assert) { assert.expect(2) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture') var $alt = $('<a role="button" data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture') $('<div id="test1" class="show"/>') .appendTo('#qunit-fixture') .on('hidden.bs.collapse', function () { assert.ok($target.hasClass('collapsed'), 'target has collapsed class') assert.ok($alt.hasClass('collapsed'), 'alt trigger has collapsed class') done() }) $target.trigger('click') }) QUnit.test('should not close a collapse when initialized with "show" option if already shown', function (assert) { assert.expect(0) var done = assert.async() var $test = $('<div id="test1" class="show"/>') .appendTo('#qunit-fixture') .on('hide.bs.collapse', function () { assert.ok(false) }) $test.bootstrapCollapse('show') setTimeout(done, 0) }) QUnit.test('should open a collapse when initialized with "show" option if not already shown', function (assert) { assert.expect(1) var done = assert.async() var $test = $('<div id="test1" />') .appendTo('#qunit-fixture') .on('show.bs.collapse', function () { assert.ok(true) }) $test.bootstrapCollapse('show') setTimeout(done, 0) }) QUnit.test('should not show a collapse when initialized with "hide" option if already hidden', function (assert) { assert.expect(0) var done = assert.async() $('<div class="collapse"></div>') .appendTo('#qunit-fixture') .on('show.bs.collapse', function () { assert.ok(false, 'showing a previously-uninitialized hidden collapse when the "hide" method is called') }) .bootstrapCollapse('hide') setTimeout(done, 0) }) QUnit.test('should hide a collapse when initialized with "hide" option if not already hidden', function (assert) { assert.expect(1) var done = assert.async() $('<div class="collapse show"></div>') .appendTo('#qunit-fixture') .on('hide.bs.collapse', function () { assert.ok(true, 'hiding a previously-uninitialized shown collapse when the "hide" method is called') }) .bootstrapCollapse('hide') setTimeout(done, 0) }) QUnit.test('should remove "collapsed" class from active accordion target', function (assert) { assert.expect(3) var done = assert.async() var accordionHTML = '<div id="accordion">' + '<div class="card"/>' + '<div class="card"/>' + '<div class="card"/>' + '</div>' var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.card') var $target1 = $('<a role="button" data-toggle="collapse" href="#body1" />').appendTo($groups.eq(0)) $('<div id="body1" class="show" data-parent="#accordion"/>').appendTo($groups.eq(0)) var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2" />').appendTo($groups.eq(1)) $('<div id="body2" data-parent="#accordion"/>').appendTo($groups.eq(1)) var $target3 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body3" />').appendTo($groups.eq(2)) $('<div id="body3" data-parent="#accordion"/>') .appendTo($groups.eq(2)) .on('shown.bs.collapse', function () { assert.ok($target1.hasClass('collapsed'), 'inactive target 1 does have class "collapsed"') assert.ok($target2.hasClass('collapsed'), 'inactive target 2 does have class "collapsed"') assert.ok(!$target3.hasClass('collapsed'), 'active target 3 does not have class "collapsed"') done() }) $target3.trigger('click') }) QUnit.test('should allow dots in data-parent', function (assert) { assert.expect(3) var done = assert.async() var accordionHTML = '<div class="accordion">' + '<div class="card"/>' + '<div class="card"/>' + '<div class="card"/>' + '</div>' var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.card') var $target1 = $('<a role="button" data-toggle="collapse" href="#body1"/>').appendTo($groups.eq(0)) $('<div id="body1" class="show" data-parent=".accordion"/>').appendTo($groups.eq(0)) var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2"/>').appendTo($groups.eq(1)) $('<div id="body2" data-parent=".accordion"/>').appendTo($groups.eq(1)) var $target3 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body3"/>').appendTo($groups.eq(2)) $('<div id="body3" data-parent=".accordion"/>') .appendTo($groups.eq(2)) .on('shown.bs.collapse', function () { assert.ok($target1.hasClass('collapsed'), 'inactive target 1 does have class "collapsed"') assert.ok($target2.hasClass('collapsed'), 'inactive target 2 does have class "collapsed"') assert.ok(!$target3.hasClass('collapsed'), 'active target 3 does not have class "collapsed"') done() }) $target3.trigger('click') }) QUnit.test('should set aria-expanded="true" on trigger/control when collapse is shown', function (assert) { assert.expect(1) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1" aria-expanded="false"/>').appendTo('#qunit-fixture') $('<div id="test1"/>') .appendTo('#qunit-fixture') .on('shown.bs.collapse', function () { assert.strictEqual($target.attr('aria-expanded'), 'true', 'aria-expanded on target is "true"') done() }) $target.trigger('click') }) QUnit.test('should set aria-expanded="false" on trigger/control when collapse is hidden', function (assert) { assert.expect(1) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" href="#test1" aria-expanded="true"/>').appendTo('#qunit-fixture') $('<div id="test1" class="show"/>') .appendTo('#qunit-fixture') .on('hidden.bs.collapse', function () { assert.strictEqual($target.attr('aria-expanded'), 'false', 'aria-expanded on target is "false"') done() }) $target.trigger('click') }) QUnit.test('should set aria-expanded="true" on all triggers targeting the collapse when the collapse is shown', function (assert) { assert.expect(2) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1" aria-expanded="false"/>').appendTo('#qunit-fixture') var $alt = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1" aria-expanded="false"/>').appendTo('#qunit-fixture') $('<div id="test1"/>') .appendTo('#qunit-fixture') .on('shown.bs.collapse', function () { assert.strictEqual($target.attr('aria-expanded'), 'true', 'aria-expanded on trigger/control is "true"') assert.strictEqual($alt.attr('aria-expanded'), 'true', 'aria-expanded on alternative trigger/control is "true"') done() }) $target.trigger('click') }) QUnit.test('should set aria-expanded="false" on all triggers targeting the collapse when the collapse is hidden', function (assert) { assert.expect(2) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" href="#test1" aria-expanded="true"/>').appendTo('#qunit-fixture') var $alt = $('<a role="button" data-toggle="collapse" href="#test1" aria-expanded="true"/>').appendTo('#qunit-fixture') $('<div id="test1" class="show"/>') .appendTo('#qunit-fixture') .on('hidden.bs.collapse', function () { assert.strictEqual($target.attr('aria-expanded'), 'false', 'aria-expanded on trigger/control is "false"') assert.strictEqual($alt.attr('aria-expanded'), 'false', 'aria-expanded on alternative trigger/control is "false"') done() }) $target.trigger('click') }) QUnit.test('should change aria-expanded from active accordion trigger/control to "false" and set the trigger/control for the newly active one to "true"', function (assert) { assert.expect(3) var done = assert.async() var accordionHTML = '<div id="accordion">' + '<div class="card"/>' + '<div class="card"/>' + '<div class="card"/>' + '</div>' var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.card') var $target1 = $('<a role="button" data-toggle="collapse" aria-expanded="true" href="#body1"/>').appendTo($groups.eq(0)) $('<div id="body1" class="show" data-parent="#accordion"/>').appendTo($groups.eq(0)) var $target2 = $('<a role="button" data-toggle="collapse" aria-expanded="false" href="#body2" class="collapsed" aria-expanded="false" />').appendTo($groups.eq(1)) $('<div id="body2" data-parent="#accordion"/>').appendTo($groups.eq(1)) var $target3 = $('<a class="collapsed" data-toggle="collapse" aria-expanded="false" role="button" href="#body3"/>').appendTo($groups.eq(2)) $('<div id="body3" data-parent="#accordion"/>') .appendTo($groups.eq(2)) .on('shown.bs.collapse', function () { assert.strictEqual($target1.attr('aria-expanded'), 'false', 'inactive trigger/control 1 has aria-expanded="false"') assert.strictEqual($target2.attr('aria-expanded'), 'false', 'inactive trigger/control 2 has aria-expanded="false"') assert.strictEqual($target3.attr('aria-expanded'), 'true', 'active trigger/control 3 has aria-expanded="true"') done() }) $target3.trigger('click') }) QUnit.test('should not fire show event if show is prevented because other element is still transitioning', function (assert) { assert.expect(1) var done = assert.async() var accordionHTML = '<div id="accordion">' + '<div class="card"/>' + '<div class="card"/>' + '</div>' var showFired = false var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.card') var $target1 = $('<a role="button" data-toggle="collapse" href="#body1"/>').appendTo($groups.eq(0)) $('<div id="body1" class="collapse" data-parent="#accordion"/>') .appendTo($groups.eq(0)) .on('show.bs.collapse', function () { showFired = true }) var $target2 = $('<a role="button" data-toggle="collapse" href="#body2"/>').appendTo($groups.eq(1)) var $body2 = $('<div id="body2" class="collapse" data-parent="#accordion"/>').appendTo($groups.eq(1)) $target2.trigger('click') $body2 .toggleClass('show collapsing') .data('bs.collapse')._isTransitioning = 1 $target1.trigger('click') setTimeout(function () { assert.ok(!showFired, 'show event did not fire') done() }, 1) }) QUnit.test('should add "collapsed" class to target when collapse is hidden via manual invocation', function (assert) { assert.expect(1) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture') $('<div id="test1" class="show"/>') .appendTo('#qunit-fixture') .on('hidden.bs.collapse', function () { assert.ok($target.hasClass('collapsed')) done() }) .bootstrapCollapse('hide') }) QUnit.test('should remove "collapsed" class from target when collapse is shown via manual invocation', function (assert) { assert.expect(1) var done = assert.async() var $target = $('<a role="button" data-toggle="collapse" class="collapsed" href="#test1"/>').appendTo('#qunit-fixture') $('<div id="test1"/>') .appendTo('#qunit-fixture') .on('shown.bs.collapse', function () { assert.ok(!$target.hasClass('collapsed')) done() }) .bootstrapCollapse('show') }) QUnit.test('should allow accordion to use children other than card', function (assert) { assert.expect(4) var done = assert.async() var accordionHTML = '<div id="accordion">' + '<div class="item">' + '<a id="linkTrigger" data-parent="#accordion" data-toggle="collapse" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"></a>' + '<div id="collapseOne" class="collapse" role="tabpanel" aria-labelledby="headingThree"></div>' + '</div>' + '<div class="item">' + '<a id="linkTriggerTwo" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"></a>' + '<div id="collapseTwo" class="collapse show" role="tabpanel" aria-labelledby="headingTwo"></div>' + '</div>' + '</div>' $(accordionHTML).appendTo('#qunit-fixture') var $trigger = $('#linkTrigger') var $triggerTwo = $('#linkTriggerTwo') var $collapseOne = $('#collapseOne') var $collapseTwo = $('#collapseTwo') $collapseOne.on('shown.bs.collapse', function () { assert.ok($collapseOne.hasClass('show'), '#collapseOne is shown') assert.ok(!$collapseTwo.hasClass('show'), '#collapseTwo is not shown') $collapseTwo.on('shown.bs.collapse', function () { assert.ok(!$collapseOne.hasClass('show'), '#collapseOne is not shown') assert.ok($collapseTwo.hasClass('show'), '#collapseTwo is shown') done() }) $triggerTwo.trigger($.Event('click')) }) $trigger.trigger($.Event('click')) }) QUnit.test('should collapse accordion children but not nested accordion children', function (assert) { assert.expect(9) var done = assert.async() $('<div id="accordion">' + '<div class="item">' + '<a id="linkTrigger" data-parent="#accordion" data-toggle="collapse" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"></a>' + '<div id="collapseOne" class="collapse" role="tabpanel" aria-labelledby="headingThree">' + '<div id="nestedAccordion">' + '<div class="item">' + '<a id="nestedLinkTrigger" data-parent="#nestedAccordion" data-toggle="collapse" href="#nestedCollapseOne" aria-expanded="false" aria-controls="nestedCollapseOne"></a>' + '<div id="nestedCollapseOne" class="collapse" role="tabpanel" aria-labelledby="headingThree">' + '</div>' + '</div>' + '</div>' + '</div>' + '</div>' + '<div class="item">' + '<a id="linkTriggerTwo" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"></a>' + '<div id="collapseTwo" class="collapse show" role="tabpanel" aria-labelledby="headingTwo"></div>' + '</div>' + '</div>').appendTo('#qunit-fixture') var $trigger = $('#linkTrigger') var $triggerTwo = $('#linkTriggerTwo') var $nestedTrigger = $('#nestedLinkTrigger') var $collapseOne = $('#collapseOne') var $collapseTwo = $('#collapseTwo') var $nestedCollapseOne = $('#nestedCollapseOne') $collapseOne.one('shown.bs.collapse', function () { assert.ok($collapseOne.hasClass('show'), '#collapseOne is shown') assert.ok(!$collapseTwo.hasClass('show'), '#collapseTwo is not shown') assert.ok(!$('#nestedCollapseOne').hasClass('show'), '#nestedCollapseOne is not shown') $nestedCollapseOne.one('shown.bs.collapse', function () { assert.ok($collapseOne.hasClass('show'), '#collapseOne is shown') assert.ok(!$collapseTwo.hasClass('show'), '#collapseTwo is not shown') assert.ok($nestedCollapseOne.hasClass('show'), '#nestedCollapseOne is shown') $collapseTwo.one('shown.bs.collapse', function () { assert.ok(!$collapseOne.hasClass('show'), '#collapseOne is not shown') assert.ok($collapseTwo.hasClass('show'), '#collapseTwo is shown') assert.ok($nestedCollapseOne.hasClass('show'), '#nestedCollapseOne is shown') done() }) $triggerTwo.trigger($.Event('click')) }) $nestedTrigger.trigger($.Event('click')) }) $trigger.trigger($.Event('click')) }) QUnit.test('should not prevent event for input', function (assert) { assert.expect(3) var done = assert.async() var $target = $('<input type="checkbox" data-toggle="collapse" data-target="#collapsediv1" />').appendTo('#qunit-fixture') $('<div id="collapsediv1"/>') .appendTo('#qunit-fixture') .on('shown.bs.collapse', function () { assert.ok($(this).hasClass('show')) assert.ok($target.attr('aria-expanded') === 'true') assert.ok($target.prop('checked')) done() }) $target.trigger($.Event('click')) }) QUnit.test('should add "collapsed" class to triggers only when all the targeted collapse are hidden', function (assert) { assert.expect(9) var done = assert.async() var $trigger1 = $('<a role="button" data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture') var $trigger2 = $('<a role="button" data-toggle="collapse" href="#test2"/>').appendTo('#qunit-fixture') var $trigger3 = $('<a role="button" data-toggle="collapse" href=".multi"/>').appendTo('#qunit-fixture') var $target1 = $('<div id="test1" class="multi"/>').appendTo('#qunit-fixture') var $target2 = $('<div id="test2" class="multi"/>').appendTo('#qunit-fixture') $target2.one('shown.bs.collapse', function () { assert.ok(!$trigger1.hasClass('collapsed'), 'trigger1 does not have collapsed class') assert.ok(!$trigger2.hasClass('collapsed'), 'trigger2 does not have collapsed class') assert.ok(!$trigger3.hasClass('collapsed'), 'trigger3 does not have collapsed class') $target2.one('hidden.bs.collapse', function () { assert.ok(!$trigger1.hasClass('collapsed'), 'trigger1 does not have collapsed class') assert.ok($trigger2.hasClass('collapsed'), 'trigger2 has collapsed class') assert.ok(!$trigger3.hasClass('collapsed'), 'trigger3 does not have collapsed class') $target1.one('hidden.bs.collapse', function () { assert.ok($trigger1.hasClass('collapsed'), 'trigger1 has collapsed class') assert.ok($trigger2.hasClass('collapsed'), 'trigger2 has collapsed class') assert.ok($trigger3.hasClass('collapsed'), 'trigger3 has collapsed class') done() }) $trigger1.trigger('click') }) $trigger2.trigger('click') }) $trigger3.trigger('click') }) QUnit.test('should set aria-expanded="true" to triggers targetting shown collaspe and aria-expanded="false" only when all the targeted collapses are shown', function (assert) { assert.expect(9) var done = assert.async() var $trigger1 = $('<a role="button" data-toggle="collapse" href="#test1"/>').appendTo('#qunit-fixture') var $trigger2 = $('<a role="button" data-toggle="collapse" href="#test2"/>').appendTo('#qunit-fixture') var $trigger3 = $('<a role="button" data-toggle="collapse" href=".multi"/>').appendTo('#qunit-fixture') var $target1 = $('<div id="test1" class="multi collapse"/>').appendTo('#qunit-fixture') var $target2 = $('<div id="test2" class="multi collapse"/>').appendTo('#qunit-fixture') $target2.one('shown.bs.collapse', function () { assert.strictEqual($trigger1.attr('aria-expanded'), 'true', 'aria-expanded on trigger1 is "true"') assert.strictEqual($trigger2.attr('aria-expanded'), 'true', 'aria-expanded on trigger2 is "true"') assert.strictEqual($trigger3.attr('aria-expanded'), 'true', 'aria-expanded on trigger3 is "true"') $target2.one('hidden.bs.collapse', function () { assert.strictEqual($trigger1.attr('aria-expanded'), 'true', 'aria-expanded on trigger1 is "true"') assert.strictEqual($trigger2.attr('aria-expanded'), 'false', 'aria-expanded on trigger2 is "false"') assert.strictEqual($trigger3.attr('aria-expanded'), 'true', 'aria-expanded on trigger3 is "true"') $target1.one('hidden.bs.collapse', function () { assert.strictEqual($trigger1.attr('aria-expanded'), 'false', 'aria-expanded on trigger1 is "fasle"') assert.strictEqual($trigger2.attr('aria-expanded'), 'false', 'aria-expanded on trigger2 is "false"') assert.strictEqual($trigger3.attr('aria-expanded'), 'false', 'aria-expanded on trigger3 is "false"') done() }) $trigger1.trigger('click') }) $trigger2.trigger('click') }) $trigger3.trigger('click') }) })