Files
web/packages/design-system/lib/components/LinkChips/LinkChips.a11y.test.tsx

106 lines
3.2 KiB
TypeScript

import { describe, expect, it, afterEach } from "vitest"
import { render, screen, cleanup } from "@testing-library/react"
import userEvent from "@testing-library/user-event"
import { LinkChips } from "./LinkChips"
import type { LinkChipsProps } from "./types"
afterEach(() => {
cleanup()
})
const defaultChips: LinkChipsProps["chips"] = [
{ title: "Hotels in Stockholm", url: "/hotels/stockholm" },
{ title: "Hotels in Copenhagen", url: "/hotels/copenhagen" },
{ title: "Hotels in Oslo", url: "/hotels/oslo" },
]
describe("LinkChips accessibility", () => {
describe("semantic HTML", () => {
it("uses proper link elements for navigation", () => {
render(<LinkChips chips={defaultChips} />)
const links = screen.getAllByRole("link")
expect(links.length).toBe(3)
links.forEach((link) => {
expect(link.tagName).toBe("A")
})
})
it("has accessible link text", () => {
render(<LinkChips chips={defaultChips} />)
expect(
screen.getByRole("link", { name: "Hotels in Stockholm" })
).toBeTruthy()
expect(
screen.getByRole("link", { name: "Hotels in Copenhagen" })
).toBeTruthy()
expect(screen.getByRole("link", { name: "Hotels in Oslo" })).toBeTruthy()
})
it("links have descriptive href attributes", () => {
render(<LinkChips chips={defaultChips} />)
const stockholmLink = screen.getByRole("link", {
name: "Hotels in Stockholm",
})
expect(stockholmLink.getAttribute("href")).toBe("/hotels/stockholm")
})
})
describe("keyboard navigation", () => {
it("all links are keyboard accessible", async () => {
const user = userEvent.setup()
render(<LinkChips chips={defaultChips} />)
const links = screen.getAllByRole("link")
expect(links.length).toBeGreaterThan(0)
// Tab through all links
for (const link of links) {
await user.tab()
expect(document.activeElement).toBe(link)
}
})
it("maintains logical focus order", async () => {
const user = userEvent.setup()
render(<LinkChips chips={defaultChips} />)
const firstLink = screen.getByRole("link", {
name: "Hotels in Stockholm",
})
const secondLink = screen.getByRole("link", {
name: "Hotels in Copenhagen",
})
const thirdLink = screen.getByRole("link", { name: "Hotels in Oslo" })
await user.tab()
expect(document.activeElement).toBe(firstLink)
await user.tab()
expect(document.activeElement).toBe(secondLink)
await user.tab()
expect(document.activeElement).toBe(thirdLink)
})
})
describe("screen reader support", () => {
it("links have accessible names", () => {
render(<LinkChips chips={defaultChips} />)
const links = screen.getAllByRole("link")
links.forEach((link) => {
// Check that link has text content (accessible name)
expect(link.textContent?.trim().length).toBeGreaterThan(0)
})
})
})
describe("empty state", () => {
it("does not render anything when chips array is empty", () => {
const { container } = render(<LinkChips chips={[]} />)
expect(container.firstChild).toBeNull()
expect(screen.queryAllByRole("link")).toHaveLength(0)
})
})
})