dev_agent
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Co-authored-by: dev_agent <dev_agent@cubecraftlabs.com> Co-committed-by: dev_agent <dev_agent@cubecraftlabs.com>
92 lines
3.4 KiB
TypeScript
92 lines
3.4 KiB
TypeScript
import { fireEvent, render, screen } from '@testing-library/react'
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import { useState } from 'react'
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import { describe, expect, it } from 'vitest'
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import { expectMinHitArea } from '../test/hitArea.ts'
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import { Segmented } from './Segmented.tsx'
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import styles from './Segmented.module.css'
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const options = [
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{ value: 'week', label: 'Week' },
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{ value: 'month', label: 'Month' },
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{ value: 'year', label: 'Year' },
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] as const
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type Period = (typeof options)[number]['value']
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function Harness({ initial = 'week' }: { initial?: Period }) {
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const [value, setValue] = useState<Period>(initial)
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return <Segmented label="Archive period" options={options} value={value} onValueChange={setValue} />
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}
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function radio(name: string) {
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return screen.getByRole('radio', { name })
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}
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describe('Segmented', () => {
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it('is a named radiogroup of radios with one checked', () => {
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render(<Harness />)
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expect(screen.getByRole('radiogroup', { name: 'Archive period' })).toBeInTheDocument()
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expect(screen.getAllByRole('radio')).toHaveLength(3)
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expect(radio('Week')).toHaveAttribute('aria-checked', 'true')
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expect(radio('Month')).toHaveAttribute('aria-checked', 'false')
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expect(radio('Week')).toHaveClass(styles.selected!)
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})
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it('has a single tab stop on the selected option', () => {
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render(<Harness initial="month" />)
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expect(radio('Month')).toHaveAttribute('tabindex', '0')
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expect(radio('Week')).toHaveAttribute('tabindex', '-1')
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expect(radio('Year')).toHaveAttribute('tabindex', '-1')
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})
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it('moves selection and focus with the arrow keys, wrapping at the ends', () => {
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render(<Harness />)
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radio('Week').focus()
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fireEvent.keyDown(radio('Week'), { key: 'ArrowRight' })
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expect(radio('Month')).toHaveAttribute('aria-checked', 'true')
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expect(radio('Month')).toHaveFocus()
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fireEvent.keyDown(radio('Month'), { key: 'ArrowDown' })
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expect(radio('Year')).toHaveAttribute('aria-checked', 'true')
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fireEvent.keyDown(radio('Year'), { key: 'ArrowRight' })
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expect(radio('Week')).toHaveAttribute('aria-checked', 'true')
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expect(radio('Week')).toHaveFocus()
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fireEvent.keyDown(radio('Week'), { key: 'ArrowLeft' })
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expect(radio('Year')).toHaveAttribute('aria-checked', 'true')
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fireEvent.keyDown(radio('Year'), { key: 'ArrowUp' })
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expect(radio('Month')).toHaveAttribute('aria-checked', 'true')
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expect(radio('Month')).toHaveFocus()
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expect(radio('Year')).toHaveAttribute('aria-checked', 'false')
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})
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it('jumps to the first and last option with Home and End', () => {
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render(<Harness initial="month" />)
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fireEvent.keyDown(radio('Month'), { key: 'End' })
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expect(radio('Year')).toHaveAttribute('aria-checked', 'true')
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fireEvent.keyDown(radio('Year'), { key: 'Home' })
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expect(radio('Week')).toHaveAttribute('aria-checked', 'true')
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})
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it('selects an option on click', () => {
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render(<Harness />)
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fireEvent.click(radio('Year'))
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expect(radio('Year')).toHaveAttribute('aria-checked', 'true')
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expect(radio('Week')).toHaveAttribute('aria-checked', 'false')
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})
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it('gives every option a ≥ 44 px hit area', () => {
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render(<Harness />)
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for (const option of screen.getAllByRole('radio')) expectMinHitArea(option)
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})
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it('fails fast when the value is not one of the options', () => {
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expect(() =>
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render(<Segmented label="Archive period" options={options} value={'decade' as Period} onValueChange={() => {}} />),
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).toThrow('value "decade" is not one of its options')
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})
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})
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