import { describe, expect, it } from "vitest";
import { formatUid, normalizeUid, tryNormalizeUid } from "@/lib/rfid/uid";

describe("normalizeUid", () => {
  it("strips separators and uppercases", () => {
    expect(normalizeUid("04:a1:b2:c3")).toBe("04A1B2C3");
    expect(normalizeUid("04 a1 b2 c3")).toBe("04A1B2C3");
    expect(normalizeUid("04a1b2c3")).toBe("04A1B2C3");
  });

  it("rejects odd length", () => {
    expect(() => normalizeUid("04A")).toThrow();
  });

  it("formats with colons", () => {
    expect(formatUid("04a1b2c3")).toBe("04:A1:B2:C3");
  });

  it("tryNormalizeUid returns null on bad input", () => {
    expect(tryNormalizeUid("xyz")).toBeNull();
  });
});