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listbox.test.tsx
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listbox.test.tsx
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import React, { createElement, useState, useEffect } from 'react'
import { render } from '@testing-library/react'
import { Listbox } from './listbox'
import { suppressConsoleLogs } from '../../test-utils/suppress-console-logs'
import {
click,
focus,
mouseMove,
mouseLeave,
press,
shift,
type,
word,
Keys,
MouseButton,
} from '../../test-utils/interactions'
import {
assertActiveElement,
assertActiveListboxOption,
assertListbox,
assertListboxButton,
assertListboxButtonLinkedWithListbox,
assertListboxButtonLinkedWithListboxLabel,
assertListboxOption,
assertListboxLabel,
assertListboxLabelLinkedWithListbox,
assertNoActiveListboxOption,
assertNoSelectedListboxOption,
getListbox,
getListboxButton,
getListboxButtons,
getListboxes,
getListboxOptions,
getListboxLabel,
ListboxState,
getByText,
ListboxMode,
} from '../../test-utils/accessibility-assertions'
import { Transition } from '../transitions/transition'
jest.mock('../../hooks/use-id')
beforeAll(() => {
jest.spyOn(window, 'requestAnimationFrame').mockImplementation(setImmediate as any)
jest.spyOn(window, 'cancelAnimationFrame').mockImplementation(clearImmediate as any)
})
afterAll(() => jest.restoreAllMocks())
describe('safeguards', () => {
it.each([
['Listbox.Button', Listbox.Button],
['Listbox.Label', Listbox.Label],
['Listbox.Options', Listbox.Options],
['Listbox.Option', Listbox.Option],
])(
'should error when we are using a <%s /> without a parent <Listbox />',
suppressConsoleLogs((name, Component) => {
// @ts-expect-error This is fine
expect(() => render(createElement(Component))).toThrowError(
`<${name} /> is missing a parent <Listbox /> component.`
)
})
)
it(
'should be possible to render a Listbox without crashing',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
})
)
})
describe('Rendering', () => {
describe('Listbox', () => {
it(
'should be possible to render a Listbox using a render prop',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
{({ open }) => (
<>
<Listbox.Button>Trigger</Listbox.Button>
{open && (
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
)}
</>
)}
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
await click(getListboxButton())
assertListboxButton({
state: ListboxState.Visible,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.Visible })
})
)
it(
'should be possible to disable a Listbox',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log} disabled>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
await click(getListboxButton())
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
await press(Keys.Enter, getListboxButton())
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
})
)
describe('Equality', () => {
let options = [
{ id: 1, name: 'Alice' },
{ id: 2, name: 'Bob' },
{ id: 3, name: 'Charlie' },
]
it(
'should use object equality by default',
suppressConsoleLogs(async () => {
render(
<Listbox value={options[1]} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
{options.map((option) => (
<Listbox.Option
key={option.id}
value={option}
className={(info) => JSON.stringify(info)}
>
{option.name}
</Listbox.Option>
))}
</Listbox.Options>
</Listbox>
)
await click(getListboxButton())
let bob = getListboxOptions()[1]
expect(bob).toHaveAttribute(
'class',
JSON.stringify({ active: true, selected: true, disabled: false })
)
})
)
it(
'should be possible to compare objects by a field',
suppressConsoleLogs(async () => {
render(
<Listbox value={{ id: 2, name: 'Bob' }} onChange={console.log} by="id">
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
{options.map((option) => (
<Listbox.Option
key={option.id}
value={option}
className={(info) => JSON.stringify(info)}
>
{option.name}
</Listbox.Option>
))}
</Listbox.Options>
</Listbox>
)
await click(getListboxButton())
let bob = getListboxOptions()[1]
expect(bob).toHaveAttribute(
'class',
JSON.stringify({ active: true, selected: true, disabled: false })
)
})
)
it(
'should be possible to compare objects by a comparator function',
suppressConsoleLogs(async () => {
render(
<Listbox
value={{ id: 2, name: 'Bob' }}
onChange={console.log}
by={(a, z) => a.id === z.id}
>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
{options.map((option) => (
<Listbox.Option
key={option.id}
value={option}
className={(info) => JSON.stringify(info)}
>
{option.name}
</Listbox.Option>
))}
</Listbox.Options>
</Listbox>
)
await click(getListboxButton())
let bob = getListboxOptions()[1]
expect(bob).toHaveAttribute(
'class',
JSON.stringify({ active: true, selected: true, disabled: false })
)
})
)
it(
'should be possible to use completely new objects while rendering (single mode)',
suppressConsoleLogs(async () => {
function Example() {
let [value, setValue] = useState({ id: 2, name: 'Bob' })
return (
<Listbox value={value} onChange={setValue} by="id">
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value={{ id: 1, name: 'alice' }}>alice</Listbox.Option>
<Listbox.Option value={{ id: 2, name: 'bob' }}>bob</Listbox.Option>
<Listbox.Option value={{ id: 3, name: 'charlie' }}>charlie</Listbox.Option>
</Listbox.Options>
</Listbox>
)
}
render(<Example />)
await click(getListboxButton())
let [alice, bob, charlie] = getListboxOptions()
expect(alice).not.toHaveAttribute('aria-selected')
expect(bob).toHaveAttribute('aria-selected', 'true')
expect(charlie).not.toHaveAttribute('aria-selected')
await click(getListboxOptions()[2])
await click(getListboxButton())
;[alice, bob, charlie] = getListboxOptions()
expect(alice).not.toHaveAttribute('aria-selected')
expect(bob).not.toHaveAttribute('aria-selected')
expect(charlie).toHaveAttribute('aria-selected', 'true')
await click(getListboxOptions()[1])
await click(getListboxButton())
;[alice, bob, charlie] = getListboxOptions()
expect(alice).not.toHaveAttribute('aria-selected')
expect(bob).toHaveAttribute('aria-selected', 'true')
expect(charlie).not.toHaveAttribute('aria-selected')
})
)
it(
'should be possible to use completely new objects while rendering (multiple mode)',
suppressConsoleLogs(async () => {
function Example() {
let [value, setValue] = useState([{ id: 2, name: 'Bob' }])
return (
<Listbox value={value} onChange={setValue} by="id" multiple>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value={{ id: 1, name: 'alice' }}>alice</Listbox.Option>
<Listbox.Option value={{ id: 2, name: 'bob' }}>bob</Listbox.Option>
<Listbox.Option value={{ id: 3, name: 'charlie' }}>charlie</Listbox.Option>
</Listbox.Options>
</Listbox>
)
}
render(<Example />)
await click(getListboxButton())
await click(getListboxOptions()[2])
let [alice, bob, charlie] = getListboxOptions()
expect(alice).not.toHaveAttribute('aria-selected')
expect(bob).toHaveAttribute('aria-selected', 'true')
expect(charlie).toHaveAttribute('aria-selected', 'true')
await click(getListboxOptions()[2])
;[alice, bob, charlie] = getListboxOptions()
expect(alice).not.toHaveAttribute('aria-selected')
expect(bob).toHaveAttribute('aria-selected', 'true')
expect(charlie).not.toHaveAttribute('aria-selected')
})
)
})
})
describe('Listbox.Label', () => {
it(
'should be possible to render a Listbox.Label using a render prop',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Label>{JSON.stringify}</Listbox.Label>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-2' },
})
assertListboxLabel({
attributes: { id: 'headlessui-listbox-label-1' },
textContent: JSON.stringify({ open: false, disabled: false }),
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
await click(getListboxButton())
assertListboxLabel({
attributes: { id: 'headlessui-listbox-label-1' },
textContent: JSON.stringify({ open: true, disabled: false }),
})
assertListbox({ state: ListboxState.Visible })
assertListboxLabelLinkedWithListbox()
assertListboxButtonLinkedWithListboxLabel()
})
)
it(
'should be possible to render a Listbox.Label using a render prop and an `as` prop',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Label as="p">{JSON.stringify}</Listbox.Label>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxLabel({
attributes: { id: 'headlessui-listbox-label-1' },
textContent: JSON.stringify({ open: false, disabled: false }),
tag: 'p',
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
await click(getListboxButton())
assertListboxLabel({
attributes: { id: 'headlessui-listbox-label-1' },
textContent: JSON.stringify({ open: true, disabled: false }),
tag: 'p',
})
assertListbox({ state: ListboxState.Visible })
})
)
})
describe('Listbox.Button', () => {
it(
'should be possible to render a Listbox.Button using a render prop',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>{JSON.stringify}</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
textContent: JSON.stringify({ open: false, disabled: false }),
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
await click(getListboxButton())
assertListboxButton({
state: ListboxState.Visible,
attributes: { id: 'headlessui-listbox-button-1' },
textContent: JSON.stringify({ open: true, disabled: false }),
})
assertListbox({ state: ListboxState.Visible })
})
)
it(
'should be possible to render a Listbox.Button using a render prop and an `as` prop',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button as="div" role="button">
{JSON.stringify}
</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
textContent: JSON.stringify({ open: false, disabled: false }),
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
await click(getListboxButton())
assertListboxButton({
state: ListboxState.Visible,
attributes: { id: 'headlessui-listbox-button-1' },
textContent: JSON.stringify({ open: true, disabled: false }),
})
assertListbox({ state: ListboxState.Visible })
})
)
it(
'should be possible to render a Listbox.Button and a Listbox.Label and see them linked together',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Label>Label</Listbox.Label>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
// TODO: Needed to make it similar to vue test implementation?
// await new Promise(requestAnimationFrame)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-2' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
assertListboxButtonLinkedWithListboxLabel()
})
)
describe('`type` attribute', () => {
it('should set the `type` to "button" by default', async () => {
render(
<Listbox value={null} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
</Listbox>
)
expect(getListboxButton()).toHaveAttribute('type', 'button')
})
it('should not set the `type` to "button" if it already contains a `type`', async () => {
render(
<Listbox value={null} onChange={console.log}>
<Listbox.Button type="submit">Trigger</Listbox.Button>
</Listbox>
)
expect(getListboxButton()).toHaveAttribute('type', 'submit')
})
it('should set the `type` to "button" when using the `as` prop which resolves to a "button"', async () => {
let CustomButton = React.forwardRef<HTMLButtonElement>((props, ref) => (
<button ref={ref} {...props} />
))
render(
<Listbox value={null} onChange={console.log}>
<Listbox.Button as={CustomButton}>Trigger</Listbox.Button>
</Listbox>
)
expect(getListboxButton()).toHaveAttribute('type', 'button')
})
it('should not set the type if the "as" prop is not a "button"', async () => {
render(
<Listbox value={null} onChange={console.log}>
<Listbox.Button as="div">Trigger</Listbox.Button>
</Listbox>
)
expect(getListboxButton()).not.toHaveAttribute('type')
})
it('should not set the `type` to "button" when using the `as` prop which resolves to a "div"', async () => {
let CustomButton = React.forwardRef<HTMLDivElement>((props, ref) => (
<div ref={ref} {...props} />
))
render(
<Listbox value={null} onChange={console.log}>
<Listbox.Button as={CustomButton}>Trigger</Listbox.Button>
</Listbox>
)
expect(getListboxButton()).not.toHaveAttribute('type')
})
})
})
describe('Listbox.Options', () => {
it(
'should be possible to render Listbox.Options using a render prop',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
{(data) => (
<>
<Listbox.Option value="a">{JSON.stringify(data)}</Listbox.Option>
</>
)}
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
await click(getListboxButton())
assertListboxButton({
state: ListboxState.Visible,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({
state: ListboxState.Visible,
textContent: JSON.stringify({ open: true }),
})
assertActiveElement(getListbox())
})
)
it('should be possible to always render the Listbox.Options if we provide it a `static` prop', () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options static>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
// Let's verify that the Listbox is already there
expect(getListbox()).not.toBe(null)
})
it('should be possible to use a different render strategy for the Listbox.Options', async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options unmount={false}>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListbox({ state: ListboxState.InvisibleHidden })
// Let's open the Listbox, to see if it is not hidden anymore
await click(getListboxButton())
assertListbox({ state: ListboxState.Visible })
})
})
describe('Listbox.Option', () => {
it(
'should be possible to render a Listbox.Option using a render prop',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">{JSON.stringify}</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
await click(getListboxButton())
assertListboxButton({
state: ListboxState.Visible,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({
state: ListboxState.Visible,
textContent: JSON.stringify({ active: false, selected: false, disabled: false }),
})
})
)
})
it('should guarantee the order of DOM nodes when performing actions', async () => {
function Example({ hide = false }) {
return (
<>
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option 1</Listbox.Option>
{!hide && <Listbox.Option value="b">Option 2</Listbox.Option>}
<Listbox.Option value="c">Option 3</Listbox.Option>
</Listbox.Options>
</Listbox>
</>
)
}
let { rerender } = render(<Example />)
// Open the Listbox
await click(getByText('Trigger'))
rerender(<Example hide={true} />) // Remove Listbox.Option 2
rerender(<Example hide={false} />) // Re-add Listbox.Option 2
assertListbox({ state: ListboxState.Visible })
let options = getListboxOptions()
// Focus the first item
await press(Keys.ArrowDown)
// Verify that the first menu item is active
assertActiveListboxOption(options[0])
await press(Keys.ArrowDown)
// Verify that the second menu item is active
assertActiveListboxOption(options[1])
await press(Keys.ArrowDown)
// Verify that the third menu item is active
assertActiveListboxOption(options[2])
})
})
describe('Rendering composition', () => {
it(
'should be possible to conditionally render classNames (aka className can be a function?!)',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a" className={(bag) => JSON.stringify(bag)}>
Option A
</Listbox.Option>
<Listbox.Option value="b" disabled className={(bag) => JSON.stringify(bag)}>
Option B
</Listbox.Option>
<Listbox.Option value="c" className="no-special-treatment">
Option C
</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
// Open Listbox
await click(getListboxButton())
let options = getListboxOptions()
// Verify correct classNames
expect('' + options[0].classList).toEqual(
JSON.stringify({ active: false, selected: false, disabled: false })
)
expect('' + options[1].classList).toEqual(
JSON.stringify({ active: false, selected: false, disabled: true })
)
expect('' + options[2].classList).toEqual('no-special-treatment')
// Double check that nothing is active
assertNoActiveListboxOption(getListbox())
// Make the first option active
await press(Keys.ArrowDown)
// Verify the classNames
expect('' + options[0].classList).toEqual(
JSON.stringify({ active: true, selected: false, disabled: false })
)
expect('' + options[1].classList).toEqual(
JSON.stringify({ active: false, selected: false, disabled: true })
)
expect('' + options[2].classList).toEqual('no-special-treatment')
// Double check that the first option is the active one
assertActiveListboxOption(options[0])
// Let's go down, this should go to the third option since the second option is disabled!
await press(Keys.ArrowDown)
// Verify the classNames
expect('' + options[0].classList).toEqual(
JSON.stringify({ active: false, selected: false, disabled: false })
)
expect('' + options[1].classList).toEqual(
JSON.stringify({ active: false, selected: false, disabled: true })
)
expect('' + options[2].classList).toEqual('no-special-treatment')
// Double check that the last option is the active one
assertActiveListboxOption(options[2])
})
)
it(
'should be possible to swap the Listbox option with a button for example',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option as="button" value="a">
Option A
</Listbox.Option>
<Listbox.Option as="button" value="b">
Option B
</Listbox.Option>
<Listbox.Option as="button" value="c">
Option C
</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
// Open Listbox
await click(getListboxButton())
// Verify options are buttons now
getListboxOptions().forEach((option) => assertListboxOption(option, { tag: 'button' }))
})
)
})
describe('Composition', () => {
function Debug({ fn, name }: { fn: (text: string) => void; name: string }) {
useEffect(() => {
fn(`Mounting - ${name}`)
return () => {
fn(`Unmounting - ${name}`)
}
}, [fn, name])
return null
}
it(
'should be possible to wrap the Listbox.Options with a Transition component',
suppressConsoleLogs(async () => {
let orderFn = jest.fn()
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Debug name="Listbox" fn={orderFn} />
<Transition>
<Debug name="Transition" fn={orderFn} />
<Listbox.Options>
<Listbox.Option value="a">
{(data) => (
<>
{JSON.stringify(data)}
<Debug name="Listbox.Option" fn={orderFn} />
</>
)}
</Listbox.Option>
</Listbox.Options>
</Transition>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
await click(getListboxButton())
assertListboxButton({
state: ListboxState.Visible,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({
state: ListboxState.Visible,
textContent: JSON.stringify({ active: false, selected: false, disabled: false }),
})
await click(getListboxButton())
// Verify that we tracked the `mounts` and `unmounts` in the correct order
expect(orderFn.mock.calls).toEqual([
['Mounting - Listbox'],
['Mounting - Transition'],
['Mounting - Listbox.Option'],
['Unmounting - Transition'],
['Unmounting - Listbox.Option'],
])
})
)
})
describe('Keyboard interactions', () => {
describe('`Enter` key', () => {
it(
'should be possible to open the listbox with Enter',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
// Focus the button
await focus(getListboxButton())
// Open listbox
await press(Keys.Enter)
// Verify it is visible
assertListboxButton({ state: ListboxState.Visible })
assertListbox({
state: ListboxState.Visible,
attributes: { id: 'headlessui-listbox-options-2' },
})
assertActiveElement(getListbox())
assertListboxButtonLinkedWithListbox()
// Verify we have listbox options
let options = getListboxOptions()
expect(options).toHaveLength(3)
options.forEach((option) => assertListboxOption(option, { selected: false }))
// Verify that the first listbox option is active
assertActiveListboxOption(options[0])
assertNoSelectedListboxOption()
})
)
it(
'should not be possible to open the listbox with Enter when the button is disabled',
suppressConsoleLogs(async () => {
render(
<Listbox value={undefined} onChange={console.log} disabled>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
// Focus the button
await focus(getListboxButton())
// Try to open the listbox
await press(Keys.Enter)
// Verify it is still closed
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },
})
assertListbox({ state: ListboxState.InvisibleUnmounted })
})
)
it(
'should be possible to open the listbox with Enter, and focus the selected option',
suppressConsoleLogs(async () => {
render(
<Listbox value="b" onChange={console.log}>
<Listbox.Button>Trigger</Listbox.Button>
<Listbox.Options>
<Listbox.Option value="a">Option A</Listbox.Option>
<Listbox.Option value="b">Option B</Listbox.Option>
<Listbox.Option value="c">Option C</Listbox.Option>
</Listbox.Options>
</Listbox>
)
assertListboxButton({
state: ListboxState.InvisibleUnmounted,
attributes: { id: 'headlessui-listbox-button-1' },