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twbs--bootstrap/js/tests/unit/button.js
2019-03-11 17:01:28 +02:00

225 lines
8.8 KiB
JavaScript

$(function () {
'use strict'
var Button = typeof window.bootstrap === 'undefined' ? window.Button : window.bootstrap.Button
QUnit.module('button plugin')
QUnit.test('should be defined on jquery object', function (assert) {
assert.expect(1)
assert.ok($(document.body).button, 'button method is defined')
})
QUnit.module('button', {
beforeEach: function () {
// Run all tests in noConflict mode -- it's the only way to ensure that the plugin works in noConflict mode
$.fn.bootstrapButton = $.fn.button.noConflict()
},
afterEach: function () {
$.fn.button = $.fn.bootstrapButton
delete $.fn.bootstrapButton
$('#qunit-fixture').html('')
}
})
QUnit.test('should provide no conflict', function (assert) {
assert.expect(1)
assert.strictEqual(typeof $.fn.button, 'undefined', 'button was set back to undefined (org value)')
})
QUnit.test('should return jquery collection containing the element', function (assert) {
assert.expect(2)
var $el = $('<div/>')
var $button = $el.bootstrapButton()
assert.ok($button instanceof $, 'returns jquery collection')
assert.strictEqual($button[0], $el[0], 'collection contains element')
})
QUnit.test('should toggle active', function (assert) {
assert.expect(2)
var $btn = $('<button class="btn" data-toggle="button">mdo</button>')
assert.ok(!$btn.hasClass('active'), 'btn does not have active class')
$btn.bootstrapButton('toggle')
assert.ok($btn.hasClass('active'), 'btn has class active')
})
QUnit.test('should toggle active when btn children are clicked', function (assert) {
assert.expect(2)
var $btn = $('<button class="btn" data-toggle="button">mdo</button>')
var $inner = $('<i/>')
$btn
.append($inner)
.appendTo('#qunit-fixture')
assert.ok(!$btn.hasClass('active'), 'btn does not have active class')
$inner.trigger('click')
assert.ok($btn.hasClass('active'), 'btn has class active')
})
QUnit.test('should toggle aria-pressed', function (assert) {
assert.expect(2)
var $btn = $('<button class="btn" data-toggle="button" aria-pressed="false">redux</button>')
assert.strictEqual($btn.attr('aria-pressed'), 'false', 'btn aria-pressed state is false')
$btn.bootstrapButton('toggle')
assert.strictEqual($btn.attr('aria-pressed'), 'true', 'btn aria-pressed state is true')
})
QUnit.test('should toggle aria-pressed on buttons with container', function (assert) {
assert.expect(1)
var groupHTML = '<div class="btn-group" data-toggle="buttons">' +
'<button id="btn1" class="btn btn-secondary" type="button">One</button>' +
'<button class="btn btn-secondary" type="button">Two</button>' +
'</div>'
$('#qunit-fixture').append(groupHTML)
$('#btn1').bootstrapButton('toggle')
assert.strictEqual($('#btn1').attr('aria-pressed'), 'true')
})
QUnit.test('should toggle aria-pressed when btn children are clicked', function (assert) {
assert.expect(2)
var $btn = $('<button class="btn" data-toggle="button" aria-pressed="false">redux</button>')
var $inner = $('<i/>')
$btn
.append($inner)
.appendTo('#qunit-fixture')
assert.strictEqual($btn.attr('aria-pressed'), 'false', 'btn aria-pressed state is false')
$inner.trigger('click')
assert.strictEqual($btn.attr('aria-pressed'), 'true', 'btn aria-pressed state is true')
})
QUnit.test('should trigger input change event when toggled button has input field', function (assert) {
assert.expect(1)
var done = assert.async()
var groupHTML = '<div class="btn-group" data-toggle="buttons">' +
'<label class="btn btn-primary">' +
'<input type="radio" id="radio" autocomplete="off">Radio' +
'</label>' +
'</div>'
var $group = $(groupHTML).appendTo('#qunit-fixture')
$group.find('input').on('change', function (e) {
e.preventDefault()
assert.ok(true, 'change event fired')
done()
})
$group.find('label').trigger('click')
})
QUnit.test('should check for closest matching toggle', function (assert) {
assert.expect(12)
var groupHTML =
'<div class="btn-group" data-toggle="buttons">' +
' <label class="btn btn-primary active">' +
' <input type="radio" name="options" id="option1" checked="true"> Option 1' +
' </label>' +
' <label class="btn btn-primary">' +
' <input type="radio" name="options" id="option2"> Option 2' +
' </label>' +
' <label class="btn btn-primary">' +
' <input type="radio" name="options" id="option3"> Option 3' +
' </label>' +
'</div>'
var $group = $(groupHTML).appendTo('#qunit-fixture')
var $btn1 = $group.children().eq(0)
var $btn2 = $group.children().eq(1)
var inputBtn2 = $btn2.find('input')[0]
assert.ok($btn1.hasClass('active'), 'btn1 has active class')
assert.ok($btn1.find('input').prop('checked'), 'btn1 is checked')
assert.ok(!$btn2.hasClass('active'), 'btn2 does not have active class')
assert.ok(!inputBtn2.checked, 'btn2 is not checked')
inputBtn2.dispatchEvent(new Event('click'))
assert.ok(!$btn1.hasClass('active'), 'btn1 does not have active class')
assert.ok(!$btn1.find('input').prop('checked'), 'btn1 is not checked')
assert.ok($btn2.hasClass('active'), 'btn2 has active class')
assert.ok(inputBtn2.checked, 'btn2 is checked')
inputBtn2.dispatchEvent(new Event('click')) // clicking an already checked radio should not un-check it
assert.ok(!$btn1.hasClass('active'), 'btn1 does not have active class')
assert.ok(!$btn1.find('input').prop('checked'), 'btn1 is not checked')
assert.ok($btn2.hasClass('active'), 'btn2 has active class')
assert.ok(inputBtn2.checked, 'btn2 is checked')
})
QUnit.test('should only toggle selectable inputs', function (assert) {
assert.expect(6)
var groupHTML = '<div class="btn-group" data-toggle="buttons">' +
'<label class="btn btn-primary active">' +
'<input type="hidden" name="option1" id="option1-default" value="false">' +
'<input type="checkbox" name="option1" id="option1" checked="true"> Option 1' +
'</label>' +
'</div>'
var $group = $(groupHTML).appendTo('#qunit-fixture')
var $btn = $group.children().eq(0)
var $hidden = $btn.find('input#option1-default')
var $cb = $btn.find('input#option1')
assert.ok($btn.hasClass('active'), 'btn has active class')
assert.ok($cb.prop('checked'), 'btn is checked')
assert.ok(!$hidden.prop('checked'), 'hidden is not checked')
$btn.trigger('click')
assert.ok(!$btn.hasClass('active'), 'btn does not have active class')
assert.ok(!$cb.prop('checked'), 'btn is not checked')
assert.ok(!$hidden.prop('checked'), 'hidden is not checked') // should not be changed
})
QUnit.test('should not add aria-pressed on labels for radio/checkbox inputs in a data-toggle="buttons" group', function (assert) {
assert.expect(2)
var groupHTML = '<div class="btn-group" data-toggle="buttons">' +
'<label class="btn btn-primary"><input type="checkbox" autocomplete="off"> Checkbox</label>' +
'<label class="btn btn-primary"><input type="radio" name="options" autocomplete="off"> Radio</label>' +
'</div>'
var $group = $(groupHTML).appendTo('#qunit-fixture')
var $btn1 = $group.children().eq(0)
var $btn2 = $group.children().eq(1)
$btn1.find('input').trigger('click')
assert.ok($btn1.is(':not([aria-pressed])'), 'label for nested checkbox input has not been given an aria-pressed attribute')
$btn2.find('input').trigger('click')
assert.ok($btn2.is(':not([aria-pressed])'), 'label for nested radio input has not been given an aria-pressed attribute')
})
QUnit.test('should handle disabled attribute on non-button elements', function (assert) {
assert.expect(2)
var groupHTML = '<div class="btn-group disabled" data-toggle="buttons" aria-disabled="true" disabled>' +
'<label class="btn btn-danger disabled" aria-disabled="true" disabled>' +
'<input type="checkbox" aria-disabled="true" autocomplete="off" disabled class="disabled"/>' +
'</label>' +
'</div>'
var $group = $(groupHTML).appendTo('#qunit-fixture')
var $btn = $group.children().eq(0)
var $input = $btn.children().eq(0)
$btn.trigger('click')
assert.ok($btn.is(':not(.active)'), 'button did not become active')
assert.ok(!$input.is(':checked'), 'checkbox did not get checked')
})
QUnit.test('dispose should remove data and the element', function (assert) {
assert.expect(2)
var $el = $('<div/>')
var $button = $el.bootstrapButton()
assert.ok(typeof Button._getInstance($button[0]) !== 'undefined')
Button._getInstance($button[0]).dispose()
assert.ok(Button._getInstance($button[0]) === null)
})
QUnit.test('should return the version', function (assert) {
assert.expect(1)
assert.strictEqual(typeof Button.VERSION, 'string')
})
})