import { describe, expect, it } from "vitest"

import { resolveRequestLocale } from "./request"

describe("resolveRequestLocale", () => {
  it("accepts supported locales", () => {
    expect(resolveRequestLocale("de")).toBe("de")
    expect(resolveRequestLocale("en")).toBe("en")
    expect(resolveRequestLocale("es")).toBe("es")
    expect(resolveRequestLocale("fr")).toBe("fr")
  })

  it("falls back to default locale for unsupported values", () => {
    expect(resolveRequestLocale("it")).toBe("en")
    expect(resolveRequestLocale(undefined)).toBe("en")
  })
})