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| 1 | +import { faker } from '@faker-js/faker' |
| 2 | +import { describe, expect, it } from 'vitest' |
| 3 | +import { userEvent } from 'vitest/browser' |
| 4 | +import { defineComponent, h } from 'vue' |
| 5 | +import { page, render } from '~/test' |
| 6 | +import SmallTabs from './SmallTabs.vue' |
| 7 | +import SmallTabsPane from './SmallTabsPane.vue' |
| 8 | + |
| 9 | +function createSmallTabs(children: number) { |
| 10 | + return defineComponent({ |
| 11 | + setup: () => |
| 12 | + () => |
| 13 | + h( |
| 14 | + SmallTabs, |
| 15 | + null, |
| 16 | + { |
| 17 | + default: () => Array.from({ length: children }, () => h( |
| 18 | + SmallTabsPane, |
| 19 | + { title: faker.lorem.word() }, |
| 20 | + () => faker.lorem.words(2), |
| 21 | + )), |
| 22 | + }, |
| 23 | + ), |
| 24 | + }) |
| 25 | +} |
| 26 | + |
| 27 | +describe('SmallTabs', () => { |
| 28 | + it('has accessible elements', async () => { |
| 29 | + render(createSmallTabs(2)) |
| 30 | + |
| 31 | + // a tablist with two elements inside |
| 32 | + const tablist = page.getByRole('tablist') |
| 33 | + const tabs = tablist.getByRole('tab') |
| 34 | + const firstTab = tabs.first() |
| 35 | + const secondTab = tabs.last() |
| 36 | + |
| 37 | + await expect.element(tablist).toBeInTheDocument() |
| 38 | + expect(tabs.all()).toHaveLength(2) |
| 39 | + |
| 40 | + await expect.element(firstTab).toHaveAttribute('aria-selected', 'true') |
| 41 | + await expect.element(secondTab).toHaveAttribute('aria-selected', 'false') |
| 42 | + |
| 43 | + // two tab panels, with one hidden |
| 44 | + const panels = page.getByRole('tabpanel', { includeHidden: true }) |
| 45 | + const firstPanel = panels.first() |
| 46 | + const secondPanel = panels.last() |
| 47 | + |
| 48 | + expect(panels.all()).toHaveLength(2) |
| 49 | + |
| 50 | + await expect.element(firstPanel).not.toHaveAttribute('hidden') |
| 51 | + await expect.element(secondPanel).toHaveAttribute('hidden') |
| 52 | + |
| 53 | + // panels should be labelled by their tab button |
| 54 | + await expect.element(firstPanel).toHaveAttribute( |
| 55 | + 'aria-labelledby', |
| 56 | + firstTab.element().getAttribute('id'), |
| 57 | + ) |
| 58 | + await expect.element(secondPanel).toHaveAttribute( |
| 59 | + 'aria-labelledby', |
| 60 | + secondTab.element().getAttribute('id'), |
| 61 | + ) |
| 62 | + |
| 63 | + await expect.element(firstTab).toHaveAttribute( |
| 64 | + 'aria-controls', |
| 65 | + firstPanel.element().getAttribute('id'), |
| 66 | + ) |
| 67 | + await expect.element(secondTab).toHaveAttribute( |
| 68 | + 'aria-controls', |
| 69 | + secondPanel.element().getAttribute('id'), |
| 70 | + ) |
| 71 | + }) |
| 72 | + |
| 73 | + it('opens one panel at a time', async () => { |
| 74 | + const tabsLimit = 5 |
| 75 | + |
| 76 | + render(createSmallTabs(tabsLimit)) |
| 77 | + |
| 78 | + const tabs = page.getByRole('tablist').getByRole('tab') |
| 79 | + const panels = page.getByRole('tabpanel', { includeHidden: true }) |
| 80 | + |
| 81 | + for (let tabIndex = 0; tabIndex < tabsLimit; tabIndex += 1) { |
| 82 | + const activeTab = tabs.nth(tabIndex) |
| 83 | + const activePanel = panels.nth(tabIndex) |
| 84 | + |
| 85 | + await userEvent.click(activeTab) |
| 86 | + await expect.element( |
| 87 | + tabs.and(page.getByRole('tab', { selected: true })), |
| 88 | + ).toBe(activeTab.element()) |
| 89 | + await expect.element( |
| 90 | + page.getByRole('tabpanel'), |
| 91 | + ).toBe(activePanel.element()) |
| 92 | + } |
| 93 | + }) |
| 94 | +}) |
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