import { describe, expect, it } from "vite-plus/test"; import {  buildPairingUrl,  extractPairingUrlFromQrPayload,  PairingQrPayloadEmptyError,  parsePairingUrl,} from "./pairing"; describe("buildPairingUrl", () => {  it("uses HTTP for a schemeless IP address", () => {    expect(buildPairingUrl("192.168.1.100:3773", "pairing-token")).toBe(      "http://192.168.1.100:3773/#token=pairing-token",    );  });   it("keeps HTTPS as the default for a schemeless hostname", () => {    expect(buildPairingUrl("remote.example.com", "pairing-token")).toBe(      "https://remote.example.com/#token=pairing-token",    );  });   it("preserves an explicit scheme for an IP address", () => {    expect(buildPairingUrl("https://192.168.1.100:3773", "pairing-token")).toBe(      "https://192.168.1.100:3773/#token=pairing-token",    );  });}); describe("extractPairingUrlFromQrPayload", () => {  it("trims raw pairing urls from qr payloads", () => {    expect(      extractPairingUrlFromQrPayload("  https://remote.example.com/pair#token=pairing-token  "),    ).toBe("https://remote.example.com/pair#token=pairing-token");  });   it("unwraps mobile deep links that carry an encoded pairing url", () => {    expect(      extractPairingUrlFromQrPayload(        "t3code://pair?pairingUrl=https%3A%2F%2Fremote.example.com%2Fpair%23token%3Dpairing-token",      ),    ).toBe("https://remote.example.com/pair#token=pairing-token");  });   it("rejects empty qr payloads", () => {    expect(() => extractPairingUrlFromQrPayload("   ")).toThrowError(PairingQrPayloadEmptyError);    expect(() => extractPairingUrlFromQrPayload("   ")).toThrowError(      "Scanned QR code did not contain a pairing URL.",    );  });}); describe("parsePairingUrl", () => {  it("reads hosted pairing links into backend host fields", () => {    expect(      parsePairingUrl(        "https://app.t3.codes/pair?host=https%3A%2F%2Fdesktop.tailnet.ts.net%2F#token=pairing-token",      ),    ).toEqual({      host: "https://desktop.tailnet.ts.net",      code: "pairing-token",    });  });});