overlay.spec.js
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import { mount } from '@vue/test-utils'
import { waitNT, waitRAF } from '../../../tests/utils'
import { BOverlay } from './overlay'
describe('overlay', () => {
it('has expected default structure', async () => {
const wrapper = mount(BOverlay, {
slots: {
default: '<span>foobar</span>'
}
})
expect(wrapper.vm).toBeDefined()
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('b-overlay-wrap')
expect(wrapper.classes()).toContain('position-relative')
expect(wrapper.attributes('aria-busy')).not.toBe('true')
expect(wrapper.text()).toContain('foobar')
expect(wrapper.find('.b-overlay').exists()).toBe(false)
expect(wrapper.find('.spinner-border').exists()).toBe(false)
wrapper.destroy()
})
it('has expected default structure when `show` prop is true', async () => {
const wrapper = mount(BOverlay, {
propsData: {
show: true
},
slots: {
default: '<span>foobar</span>'
}
})
expect(wrapper.vm).toBeDefined()
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('b-overlay-wrap')
expect(wrapper.classes()).toContain('position-relative')
expect(wrapper.attributes('aria-busy')).toBe('true')
expect(wrapper.text()).toContain('foobar')
const $overlay = wrapper.find('.b-overlay')
expect($overlay.exists()).toBe(true)
expect($overlay.classes()).toContain('position-absolute')
const $children = $overlay.findAll('div:not(.b-overlay)')
expect($children.length).toBe(2)
expect($children.at(0).classes()).toContain('position-absolute')
expect($children.at(0).classes()).toContain('bg-light')
expect($children.at(0).text()).toBe('')
expect($children.at(1).classes()).toContain('position-absolute')
expect($children.at(1).classes()).not.toContain('bg-light')
expect(
$children
.at(1)
.find('.spinner-border')
.exists()
).toBe(true)
wrapper.destroy()
})
it('responds to changes in the `show` prop', async () => {
const wrapper = mount(BOverlay, {
attachTo: document.body,
propsData: {
show: false
},
slots: {
default: '<span>foobar</span>'
}
})
expect(wrapper.vm).toBeDefined()
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('b-overlay-wrap')
expect(wrapper.classes()).toContain('position-relative')
expect(wrapper.attributes('aria-busy')).not.toBe('true')
expect(wrapper.text()).toContain('foobar')
expect(wrapper.find('.b-overlay').exists()).toBe(false)
expect(wrapper.find('.spinner-border').exists()).toBe(false)
expect(wrapper.emitted('shown')).toBeUndefined()
expect(wrapper.emitted('hidden')).toBeUndefined()
await wrapper.setProps({
show: true
})
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('b-overlay-wrap')
expect(wrapper.classes()).toContain('position-relative')
expect(wrapper.attributes('aria-busy')).toBe('true')
expect(wrapper.text()).toContain('foobar')
expect(wrapper.find('.b-overlay').exists()).toBe(true)
expect(wrapper.find('.spinner-border').exists()).toBe(true)
expect(wrapper.emitted('shown')).not.toBeUndefined()
expect(wrapper.emitted('hidden')).toBeUndefined()
expect(wrapper.emitted('shown').length).toBe(1)
await wrapper.setProps({
show: false
})
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('b-overlay-wrap')
expect(wrapper.classes()).toContain('position-relative')
expect(wrapper.attributes('aria-busy')).not.toBe('true')
expect(wrapper.text()).toContain('foobar')
expect(wrapper.find('.b-overlay').exists()).toBe(false)
expect(wrapper.find('.spinner-border').exists()).toBe(false)
expect(wrapper.emitted('hidden')).not.toBeUndefined()
expect(wrapper.emitted('shown').length).toBe(1)
expect(wrapper.emitted('hidden').length).toBe(1)
await wrapper.setProps({
show: true
})
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
expect(wrapper.emitted('shown').length).toBe(2)
expect(wrapper.emitted('hidden').length).toBe(1)
await wrapper.setProps({
show: false
})
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
expect(wrapper.emitted('shown').length).toBe(2)
expect(wrapper.emitted('hidden').length).toBe(2)
wrapper.destroy()
})
it('emits event when overlay clicked', async () => {
const wrapper = mount(BOverlay, {
propsData: {
show: true
},
slots: {
default: '<span>foobar</span>'
}
})
expect(wrapper.vm).toBeDefined()
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('b-overlay-wrap')
const $overlay = wrapper.find('.b-overlay')
expect($overlay.exists()).toBe(true)
expect(wrapper.emitted('click')).toBeUndefined()
await $overlay.trigger('click')
expect(wrapper.emitted('click')).toBeDefined()
expect(wrapper.emitted('click').length).toBe(1)
expect(wrapper.emitted('click')[0][0]).toBeInstanceOf(Event)
expect(wrapper.emitted('click')[0][0].type).toEqual('click')
wrapper.destroy()
})
it('has expected default structure when `no-wrap` is set', async () => {
const wrapper = mount(BOverlay, {
propsData: {
noWrap: true
}
})
expect(wrapper.vm).toBeDefined()
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
expect(wrapper.find('div').exists()).toBe(false)
wrapper.destroy()
})
it('has expected default structure when `no-wrap` is set and `show` is true', async () => {
const wrapper = mount(BOverlay, {
propsData: {
noWrap: true,
show: true
}
})
expect(wrapper.vm).toBeDefined()
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('b-overlay')
expect(wrapper.classes()).toContain('position-absolute')
expect(wrapper.classes()).not.toContain('b-overlay-wrap')
expect(wrapper.classes()).not.toContain('position-relative')
const $children = wrapper.findAll('div:not(.b-overlay)')
expect($children.length).toBe(2)
expect($children.at(0).classes()).toContain('position-absolute')
expect($children.at(0).classes()).toContain('bg-light')
expect($children.at(0).text()).toBe('')
expect($children.at(1).classes()).toContain('position-absolute')
expect($children.at(1).classes()).not.toContain('bg-light')
expect(
$children
.at(1)
.find('.spinner-border')
.exists()
).toBe(true)
wrapper.destroy()
})
})