mesh-relay-listener.test.ts

1import { describe, expect, it } from "vitest";2import type { PairedDevice } from "../shared/sync-types";3import {4  isRouteCapableMeshPeer,5  nextMeshWaiterRetryDelay,6  selectDialTargets,7  weDialMeshPeer,8} from "../shared/mesh-peer-role";910function peer(11  id: string,12  key: string,13  overrides: Partial<PairedDevice> = {},14): PairedDevice {15  return {16    deviceId: id,17    deviceName: id,18    deviceType: "extension",19    longTermPublicKeyHex: key,20    signingPublicKeyHex: "cc".repeat(32),21    rendezvousSecretHex: "dd".repeat(32),22    relayUrl: "wss://relay.peachpasswords.com",23    trustSource: "vouched",24    pairedAt: 1,25    ...overrides,26  };27}2829describe("mesh relay roles", () => {30  it("assigns exactly one dialer for every device-type combination", () => {31    const low = "11".repeat(32);32    const high = "ee".repeat(32);33    for (const deviceType of ["extension", "android", "ios"] as const) {34      expect(weDialMeshPeer(low, high)).toBe(true);35      expect(weDialMeshPeer(high, low)).toBe(false);36      expect(37        selectDialTargets(38          [peer(deviceType, high, { deviceType })],39          low,40        ).map((device) => device.deviceId),41      ).toEqual([deviceType]);42    }43  });4445  it("admits direct and vouched routes but rejects incomplete or unknown rows", () => {46    const key = "ee".repeat(32);47    expect(isRouteCapableMeshPeer(peer("direct", key, { trustSource: "direct" }))).toBe(true);48    expect(isRouteCapableMeshPeer(peer("vouched", key))).toBe(true);49    // PB-26-213: the public registry carries no reusable secrets, so their50    // absence no longer affects route capability — the secret resolves from51    // the encrypted pair-secret record (or trusted session) at dial time.52    expect(isRouteCapableMeshPeer(peer("missing-secret", key, {53      rendezvousSecretHex: undefined,54    }))).toBe(true);55    expect(isRouteCapableMeshPeer(peer("printer", key, {56      deviceType: "printer" as PairedDevice["deviceType"],57    }))).toBe(false);58    // PB-26-006: absent or unknown trustSource fails closed.59    expect(isRouteCapableMeshPeer(peer("no-trust", key, {60      trustSource: undefined,61    }))).toBe(false);62    expect(isRouteCapableMeshPeer(peer("unknown-trust", key, {63      trustSource: "mystery" as PairedDevice["trustSource"],64    }))).toBe(false);65  });6667  it("backs off failed waiter reconnects and resets after a completed round", () => {68    expect(nextMeshWaiterRetryDelay(2_000, false)).toBe(4_000);69    expect(nextMeshWaiterRetryDelay(20_000, false)).toBe(30_000);70    expect(nextMeshWaiterRetryDelay(30_000, true)).toBe(2_000);71  });72});