navbar-toggle.spec.js
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import { mount } from '@vue/test-utils'
import { waitNT, waitRAF } from '../../../tests/utils'
import { BNavbarToggle } from './navbar-toggle'
const ROOT_ACTION_EVENT_NAME_TOGGLE = 'bv::toggle::collapse'
const ROOT_EVENT_NAME_STATE = 'bv::collapse::state'
const ROOT_EVENT_NAME_SYNC_STATE = 'bv::collapse::sync-state'
describe('navbar-toggle', () => {
it('default has tag "button"', async () => {
const wrapper = mount(BNavbarToggle, {
propsData: {
target: 'target-1'
}
})
expect(wrapper.element.tagName).toBe('BUTTON')
wrapper.destroy()
})
it('default has class "navbar-toggler"', async () => {
const wrapper = mount(BNavbarToggle, {
propsData: {
target: 'target-2'
}
})
expect(wrapper.classes()).toContain('navbar-toggler')
// Class added by v-b-toggle
expect(wrapper.classes()).toContain('collapsed')
expect(wrapper.classes().length).toBe(2)
wrapper.destroy()
})
it('default has default attributes', async () => {
const wrapper = mount(BNavbarToggle, {
propsData: {
target: 'target-3'
}
})
expect(wrapper.attributes('type')).toBe('button')
expect(wrapper.attributes('aria-controls')).toBe('target-3')
expect(wrapper.attributes('aria-expanded')).toBe('false')
expect(wrapper.attributes('aria-label')).toBe('Toggle navigation')
wrapper.destroy()
})
it('default has inner button-close', async () => {
const wrapper = mount(BNavbarToggle, {
propsData: {
target: 'target-4'
}
})
expect(wrapper.find('span.navbar-toggler-icon')).toBeDefined()
wrapper.destroy()
})
it('accepts custom label when label prop is set', async () => {
const wrapper = mount(BNavbarToggle, {
propsData: {
target: 'target-5',
label: 'foobar'
}
})
expect(wrapper.attributes('aria-label')).toBe('foobar')
wrapper.destroy()
})
it('default slot scope works', async () => {
let scope = null
const wrapper = mount(BNavbarToggle, {
propsData: {
target: 'target-6'
},
scopedSlots: {
default(ctx) {
scope = ctx
return this.$createElement('div', 'foobar')
}
}
})
expect(scope).not.toBe(null)
expect(scope.expanded).toBe(false)
wrapper.vm.$root.$emit(ROOT_EVENT_NAME_STATE, 'target-6', true)
await waitNT(wrapper.vm)
expect(scope).not.toBe(null)
expect(scope.expanded).toBe(true)
wrapper.vm.$root.$emit(ROOT_EVENT_NAME_STATE, 'target-6', false)
await waitNT(wrapper.vm)
expect(scope).not.toBe(null)
expect(scope.expanded).toBe(false)
wrapper.destroy()
})
it('emits click event', async () => {
const wrapper = mount(BNavbarToggle, {
propsData: {
target: 'target-7'
}
})
await waitRAF()
await waitNT(wrapper.vm)
let rootClicked = false
const onRootClick = () => {
rootClicked = true
}
wrapper.vm.$root.$on(ROOT_ACTION_EVENT_NAME_TOGGLE, onRootClick)
expect(wrapper.emitted('click')).toBeUndefined()
expect(rootClicked).toBe(false)
await wrapper.trigger('click')
expect(wrapper.emitted('click')).toBeDefined()
expect(rootClicked).toBe(true)
wrapper.vm.$root.$off(ROOT_ACTION_EVENT_NAME_TOGGLE, onRootClick)
wrapper.destroy()
})
it('sets aria-expanded when receives root emit for target', async () => {
const wrapper = mount(BNavbarToggle, {
propsData: {
target: 'target-8'
}
})
// Private state event
wrapper.vm.$root.$emit(ROOT_EVENT_NAME_STATE, 'target-8', true)
await waitNT(wrapper.vm)
expect(wrapper.attributes('aria-expanded')).toBe('true')
wrapper.vm.$root.$emit(ROOT_EVENT_NAME_STATE, 'target-8', false)
await waitNT(wrapper.vm)
expect(wrapper.attributes('aria-expanded')).toBe('false')
wrapper.vm.$root.$emit(ROOT_EVENT_NAME_STATE, 'foo', true)
await waitNT(wrapper.vm)
expect(wrapper.attributes('aria-expanded')).toBe('false')
// Private sync event
wrapper.vm.$root.$emit(ROOT_EVENT_NAME_SYNC_STATE, 'target-8', true)
await waitNT(wrapper.vm)
expect(wrapper.attributes('aria-expanded')).toBe('true')
wrapper.vm.$root.$emit(ROOT_EVENT_NAME_SYNC_STATE, 'target-8', false)
await waitNT(wrapper.vm)
expect(wrapper.attributes('aria-expanded')).toBe('false')
wrapper.vm.$root.$emit(ROOT_EVENT_NAME_SYNC_STATE, 'foo', true)
await waitNT(wrapper.vm)
expect(wrapper.attributes('aria-expanded')).toBe('false')
wrapper.destroy()
})
it('disabled prop works', async () => {
const wrapper = mount(BNavbarToggle, {
propsData: {
target: 'target-9',
disabled: true
}
})
expect(wrapper.emitted('click')).toBeUndefined()
expect(wrapper.element.hasAttribute('disabled')).toBe(true)
expect(wrapper.classes()).toContain('disabled')
await wrapper.trigger('click')
expect(wrapper.emitted('click')).toBeUndefined()
wrapper.destroy()
})
})