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import { mount } from '@vue/test-utils'
import { waitNT } from '../../../tests/utils'
import { BTab } from './tab'
describe('tab', () => {
it('default has expected classes, attributes and structure', async () => {
const wrapper = mount(BTab)
expect(wrapper).toBeDefined()
await waitNT(wrapper.vm)
expect(wrapper.element.tagName).toBe('DIV')
expect(wrapper.classes()).toContain('tab-pane')
expect(wrapper.classes()).not.toContain('disabled')
expect(wrapper.classes()).not.toContain('active')
expect(wrapper.classes()).not.toContain('show')
expect(wrapper.classes()).not.toContain('fade')
expect(wrapper.classes()).not.toContain('card-body')
expect(wrapper.attributes('role')).toBe('tabpanel')
expect(wrapper.attributes('aria-hidden')).toBe('true')
expect(wrapper.attributes('labelledby')).toBeUndefined()
expect(wrapper.attributes('tabindex')).toBeUndefined()
expect(wrapper.attributes('id')).toBeDefined()
wrapper.destroy()
})
it('default has expected data state', async () => {
const wrapper = mount(BTab)
expect(wrapper.vm._isTab).toBe(true)
expect(wrapper.vm.localActive).toBe(false)
wrapper.destroy()
})
it('has class disabled when disabled=true', async () => {
const wrapper = mount(BTab, {
propsData: { disabled: true }
})
expect(wrapper.classes()).toContain('disabled')
expect(wrapper.classes()).toContain('tab-pane')
expect(wrapper.classes()).not.toContain('active')
expect(wrapper.classes()).not.toContain('card-body')
wrapper.destroy()
})
it('has class active when active=true', async () => {
const wrapper = mount(BTab, {
propsData: { active: true }
})
expect(wrapper.classes()).toContain('active')
expect(wrapper.classes()).not.toContain('disabled')
expect(wrapper.classes()).not.toContain('card-body')
wrapper.destroy()
})
it('does not have class active when active=true and disabled=true', async () => {
const wrapper = mount(BTab, {
propsData: {
active: true,
disabled: true
}
})
expect(wrapper.classes()).not.toContain('active')
expect(wrapper.classes()).toContain('disabled')
expect(wrapper.classes()).toContain('tab-pane')
expect(wrapper.classes()).not.toContain('card-body')
wrapper.destroy()
})
it('has class active and show when localActive becomes true', async () => {
const wrapper = mount(BTab)
expect(wrapper.classes()).not.toContain('active')
expect(wrapper.classes()).not.toContain('disabled')
expect(wrapper.classes()).not.toContain('card-body')
await wrapper.setData({ localActive: true })
await waitNT(wrapper.vm)
expect(wrapper.classes()).toContain('active')
expect(wrapper.classes()).not.toContain('disabled')
expect(wrapper.classes()).not.toContain('card-body')
await wrapper.setData({ localActive: false })
await waitNT(wrapper.vm)
expect(wrapper.classes()).not.toContain('active')
expect(wrapper.classes()).not.toContain('disabled')
expect(wrapper.classes()).not.toContain('card-body')
wrapper.destroy()
})
it('emits event "update:active" when localActive becomes true', async () => {
const wrapper = mount(BTab)
let called = false
let value = null
wrapper.vm.$on('update:active', v => {
called = true
value = v
})
expect(called).toBe(false)
expect(value).toBe(null)
await wrapper.setData({ localActive: true })
expect(called).toBe(true)
expect(value).toBe(true)
wrapper.destroy()
})
it('has class card-body when parent has card=true', async () => {
const wrapper = mount(BTab, {
provide() {
return {
bvTabs: {
fade: false,
lazy: false,
card: true,
noKeyNav: true
}
}
}
})
expect(wrapper.classes()).toContain('card-body')
expect(wrapper.classes()).toContain('tab-pane')
expect(wrapper.classes()).not.toContain('disabled')
expect(wrapper.classes()).not.toContain('active')
wrapper.destroy()
})
it('does not have class card-body when parent has card=true and prop no-body is set', async () => {
const wrapper = mount(BTab, {
provide() {
return {
bvTabs: {
fade: false,
lazy: false,
card: true,
noKeyNav: true
}
}
},
propsData: {
noBody: true
}
})
expect(wrapper.classes()).not.toContain('card-body')
expect(wrapper.classes()).toContain('tab-pane')
expect(wrapper.classes()).not.toContain('disabled')
expect(wrapper.classes()).not.toContain('active')
wrapper.destroy()
})
it("calls parent's updateButton() when title slot provided", async () => {
let called = false
let vm = null
const wrapper = mount(BTab, {
provide() {
return {
bvTabs: {
fade: false,
lazy: false,
card: false,
noKeyNav: false,
updateButton(tab) {
called = true
vm = tab
return true
}
}
}
},
slots: {
title: '<b>foobar</b>'
}
})
await wrapper.setData({ localActive: true })
expect(called).toBe(true)
expect(vm).toEqual(wrapper.vm)
wrapper.destroy()
})
it('calls parent de/activateTab() when prop active changes', async () => {
let activateCalled = false
let activateVm = null
let deactivateCalled = false
let deactivateVm = null
const wrapper = mount(BTab, {
provide() {
return {
bvTabs: {
fade: false,
lazy: false,
card: false,
noKeyNav: false,
activateTab(tab) {
activateCalled = true
activateVm = tab
tab.localActive = true
return true
},
deactivateTab(tab) {
deactivateCalled = true
deactivateVm = tab
tab.localActive = false
return true
}
}
}
}
})
expect(activateCalled).toBe(false)
expect(activateVm).toBe(null)
expect(deactivateCalled).toBe(false)
expect(deactivateVm).toBe(null)
await wrapper.setProps({ active: true })
expect(activateCalled).toBe(true)
expect(activateVm).toBe(wrapper.vm)
expect(deactivateCalled).toBe(false)
expect(deactivateVm).toBe(null)
activateCalled = false
activateVm = null
deactivateCalled = false
deactivateVm = null
await wrapper.setProps({ active: false })
expect(activateCalled).toBe(false)
expect(activateVm).toBe(null)
expect(deactivateCalled).toBe(true)
expect(deactivateVm).toBe(wrapper.vm)
wrapper.destroy()
})
it('does not call parent activateTab() when prop active changes and disabled=true', async () => {
let activateCalled = false
let activateVm = null
const wrapper = mount(BTab, {
provide() {
return {
bvTabs: {
fade: false,
lazy: false,
card: false,
noKeyNav: false,
activateTab(tab) {
activateCalled = true
activateVm = tab
tab.localActive = true
return true
}
}
}
},
propsData: { disabled: true }
})
expect(activateCalled).toBe(false)
expect(activateVm).toBe(null)
await wrapper.setProps({ active: true })
expect(activateCalled).toBe(false)
expect(activateVm).toBe(null)
wrapper.destroy()
})
it('does not call parent deactivateTab() when deactivate() called and not active', async () => {
let deactivateCalled = false
let deactivateVm = null
const wrapper = mount(BTab, {
provide() {
return {
bvTabs: {
fade: false,
lazy: false,
card: false,
noKeyNav: false,
deactivateTab(tab) {
deactivateCalled = true
deactivateVm = tab
tab.localActive = false
return true
}
}
}
}
})
expect(deactivateCalled).toBe(false)
expect(deactivateVm).toBe(null)
const result = wrapper.vm.deactivate()
expect(deactivateCalled).toBe(false)
expect(deactivateVm).toBe(null)
expect(result).toBe(false)
wrapper.destroy()
})
})