Move LinkChips and add unit + a11y tests for chips components

2026-02-04 14:28:21 +01:00
parent 989b18527e
commit c62999879f
13 changed files with 955 additions and 0 deletions
@@ -0,0 +1,92 @@
+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", () => {
+  describe("rendering", () => {
+    it("renders all chip links", () => {
+      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("renders chip links with correct href attributes", () => {
+      render(<LinkChips chips={defaultChips} />)
+      expect(
+        screen.getByRole("link", { name: "Hotels in Stockholm" }).getAttribute("href")
+      ).toBe("/hotels/stockholm")
+      expect(
+        screen.getByRole("link", { name: "Hotels in Copenhagen" }).getAttribute("href")
+      ).toBe("/hotels/copenhagen")
+      expect(
+        screen.getByRole("link", { name: "Hotels in Oslo" }).getAttribute("href")
+      ).toBe("/hotels/oslo")
+    })
+
+    it("returns null when chips array is empty", () => {
+      const { container } = render(<LinkChips chips={[]} />)
+      expect(container.firstChild).toBeNull()
+    })
+
+    it("handles single chip", () => {
+      const singleChip = [{ title: "View all hotels", url: "/hotels" }]
+      render(<LinkChips chips={singleChip} />)
+      expect(screen.getByRole("link", { name: "View all hotels" })).toBeTruthy()
+      expect(
+        screen.getByRole("link", { name: "View all hotels" }).getAttribute("href")
+      ).toBe("/hotels")
+    })
+  })
+
+  describe("keyboard navigation", () => {
+    it("allows keyboard navigation between links", 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",
+      })
+
+      await user.tab()
+      expect(document.activeElement).toBe(firstLink)
+
+      await user.tab()
+      expect(document.activeElement).toBe(secondLink)
+    })
+  })
+
+  describe("edge cases", () => {
+    it("handles chips with duplicate titles but different URLs", () => {
+      const duplicateTitles: LinkChipsProps["chips"] = [
+        { title: "Hotels", url: "/hotels/stockholm" },
+        { title: "Hotels", url: "/hotels/copenhagen" },
+      ]
+      render(<LinkChips chips={duplicateTitles} />)
+      const links = screen.getAllByRole("link", { name: "Hotels" })
+      expect(links).toHaveLength(2)
+      expect(links[0].getAttribute("href")).toBe("/hotels/stockholm")
+      expect(links[1].getAttribute("href")).toBe("/hotels/copenhagen")
+    })
+  })
+})