import { describe, it, expect } from "vitest";
import { validateVoucher, formatEuro } from "../lib/vouchers";
describe("validateVoucher", () => {
  it("lehnt negativen Rest und Rest über Wert ab", () => {
    const base = { name: "X", anbieter: "Y", wertCents: 5000, restCents: 6000, ablaufdatum: null };
    expect(validateVoucher(base)).toContain("restCents");
    expect(validateVoucher({ ...base, restCents: -1 })).toContain("restCents");
  });
  it("formatEuro zeigt 25,50 €", () => {
    expect(formatEuro(2550)).toContain("25,50");
  });
});