button-toolbar.spec.js
5.89 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
import { mount } from '@vue/test-utils'
import { waitNT } from '../../../tests/utils'
import { BButton } from '../button/button'
import { BButtonGroup } from '../button-group/button-group'
import { BButtonToolbar } from './button-toolbar'
describe('button-toolbar', () => {
it('toolbar root should be "div"', async () => {
const wrapper = mount(BButtonToolbar)
expect(wrapper.element.tagName).toBe('DIV')
wrapper.destroy()
})
it('toolbar should contain base class', async () => {
const wrapper = mount(BButtonToolbar)
expect(wrapper.classes()).toContain('btn-toolbar')
wrapper.destroy()
})
it('toolbar should not have class "justify-content-between"', async () => {
const wrapper = mount(BButtonToolbar)
expect(wrapper.classes()).not.toContain('justify-content-between')
wrapper.destroy()
})
it('toolbar should have role', async () => {
const wrapper = mount(BButtonToolbar)
expect(wrapper.attributes('role')).toBe('toolbar')
wrapper.destroy()
})
it('toolbar should not have tabindex by default', async () => {
const wrapper = mount(BButtonToolbar)
expect(wrapper.attributes('tabindex')).toBeUndefined()
wrapper.destroy()
})
it('toolbar should have class "justify-content-between" when justify set', async () => {
const wrapper = mount(BButtonToolbar, {
propsData: {
justify: true
}
})
expect(wrapper.classes()).toContain('justify-content-between')
expect(wrapper.classes()).toContain('btn-toolbar')
wrapper.destroy()
})
it('toolbar should have tabindex when key-nav set', async () => {
const wrapper = mount(BButtonToolbar, {
propsData: {
keyNav: true
}
})
expect(wrapper.attributes('tabindex')).toBeDefined()
expect(wrapper.attributes('tabindex')).toBe('0')
expect(wrapper.element.tabIndex).toBe(0)
wrapper.destroy()
})
// These tests are wrapped in a new describe to limit the scope of the getBCR Mock
describe('keyboard navigation', () => {
const origGetBCR = Element.prototype.getBoundingClientRect
beforeEach(() => {
// Mock `getBoundingClientRect()` so that the `isVisible(el)` test returns `true`
// In our test below, all pagination buttons would normally be visible
Element.prototype.getBoundingClientRect = jest.fn(() => ({
width: 24,
height: 24,
top: 0,
left: 0,
bottom: 0,
right: 0
}))
})
afterEach(() => {
// Restore prototype
Element.prototype.getBoundingClientRect = origGetBCR
})
// Test App for keynav
const App = {
render(h) {
return h(BButtonToolbar, { props: { keyNav: true } }, [
h(BButtonGroup, [h(BButton, 'a'), h(BButton, 'b')]),
h(BButtonGroup, [h(BButton, { props: { disabled: true } }, 'c'), h(BButton, 'd')]),
h(BButtonGroup, [h(BButton, 'e'), h(BButton, 'f')])
])
}
}
it('has correct structure', async () => {
const wrapper = mount(App, {
attachTo: document.body
})
await waitNT(wrapper.vm)
expect(wrapper.find('div.btn-toolbar').exists()).toBe(true)
expect(wrapper.attributes('tabindex')).toBe('0')
const $groups = wrapper.findAllComponents(BButtonGroup)
expect($groups).toBeDefined()
expect($groups.length).toBe(3)
const $btns = wrapper.findAll('button')
expect($btns).toBeDefined()
expect($btns.length).toBe(6)
expect($btns.at(0).element.matches('button[tabindex="-1"')).toBe(true)
expect($btns.at(1).element.matches('button[tabindex="-1"')).toBe(true)
expect($btns.at(2).element.matches('button[tabindex="-1"')).toBe(false) // Disabled button
expect($btns.at(3).element.matches('button[tabindex="-1"')).toBe(true)
expect($btns.at(4).element.matches('button[tabindex="-1"')).toBe(true)
expect($btns.at(5).element.matches('button[tabindex="-1"')).toBe(true)
wrapper.destroy()
})
it('focuses first button when tabbed into', async () => {
const wrapper = mount(App, {
attachTo: document.body
})
await waitNT(wrapper.vm)
expect(wrapper.find('div.btn-toolbar').exists()).toBe(true)
expect(wrapper.attributes('tabindex')).toBe('0')
const $btns = wrapper.findAll('button')
expect($btns).toBeDefined()
expect($btns.length).toBe(6)
expect(document.activeElement).not.toBe(wrapper.element)
expect(document.activeElement).not.toBe($btns.at(0).element)
await wrapper.trigger('focusin')
expect(document.activeElement).toBe($btns.at(0).element)
wrapper.destroy()
})
it('keyboard navigation works', async () => {
const wrapper = mount(App, {
attachTo: document.body
})
await waitNT(wrapper.vm)
expect(wrapper.find('div.btn-toolbar').exists()).toBe(true)
expect(wrapper.attributes('tabindex')).toBe('0')
const $btns = wrapper.findAll('button')
expect($btns).toBeDefined()
expect($btns.length).toBe(6)
// Focus first button
$btns.at(0).element.focus()
expect(document.activeElement).toBe($btns.at(0).element)
// Cursor right
await $btns.at(0).trigger('keydown.right')
expect(document.activeElement).toBe($btns.at(1).element)
// Cursor right (skips disabled button)
await $btns.at(1).trigger('keydown.right')
expect(document.activeElement).toBe($btns.at(3).element)
// Cursor shift-right (focuses last button)
await $btns.at(1).trigger('keydown.right', { shiftKey: true })
expect(document.activeElement).toBe($btns.at(5).element)
// Cursor left
await $btns.at(5).trigger('keydown.left')
expect(document.activeElement).toBe($btns.at(4).element)
// Cursor shift left (focuses first button)
await $btns.at(5).trigger('keydown.left', { shiftKey: true })
expect(document.activeElement).toBe($btns.at(0).element)
wrapper.destroy()
})
})
})