import { describe, expect, it } from "vitest"; import { resolveDesktopServerExposure, resolveLanAdvertisedHost } from "./serverExposure.ts"; describe("resolveLanAdvertisedHost", () => {  it("prefers an explicit host override", () => {    expect(      resolveLanAdvertisedHost(        {          en0: [            {              address: "192.168.1.44",              family: "IPv4",              internal: false,              netmask: "255.255.255.0",              cidr: "192.168.1.44/24",              mac: "00:00:00:00:00:00",            },          ],        },        "10.0.0.9",      ),    ).toBe("10.0.0.9");  });   it("returns the first usable non-internal IPv4 address", () => {    expect(      resolveLanAdvertisedHost(        {          lo0: [            {              address: "127.0.0.1",              family: "IPv4",              internal: true,              netmask: "255.0.0.0",              cidr: "127.0.0.1/8",              mac: "00:00:00:00:00:00",            },          ],          en0: [            {              address: "192.168.1.44",              family: "IPv4",              internal: false,              netmask: "255.255.255.0",              cidr: "192.168.1.44/24",              mac: "00:00:00:00:00:00",            },          ],        },        undefined,      ),    ).toBe("192.168.1.44");  });   it("returns null when no usable network address is available", () => {    expect(      resolveLanAdvertisedHost(        {          lo0: [            {              address: "127.0.0.1",              family: "IPv4",              internal: true,              netmask: "255.0.0.0",              cidr: "127.0.0.1/8",              mac: "00:00:00:00:00:00",            },          ],        },        undefined,      ),    ).toBeNull();  });}); describe("resolveDesktopServerExposure", () => {  it("keeps the desktop server loopback-only when local-only mode is selected", () => {    expect(      resolveDesktopServerExposure({        mode: "local-only",        port: 3773,        networkInterfaces: {},      }),    ).toEqual({      mode: "local-only",      bindHost: "127.0.0.1",      localHttpUrl: "http://127.0.0.1:3773",      localWsUrl: "ws://127.0.0.1:3773",      endpointUrl: null,      advertisedHost: null,    });  });   it("binds to all interfaces in network-accessible mode", () => {    expect(      resolveDesktopServerExposure({        mode: "network-accessible",        port: 3773,        networkInterfaces: {          en0: [            {              address: "192.168.1.44",              family: "IPv4",              internal: false,              netmask: "255.255.255.0",              cidr: "192.168.1.44/24",              mac: "00:00:00:00:00:00",            },          ],        },      }),    ).toEqual({      mode: "network-accessible",      bindHost: "0.0.0.0",      localHttpUrl: "http://127.0.0.1:3773",      localWsUrl: "ws://127.0.0.1:3773",      endpointUrl: "http://192.168.1.44:3773",      advertisedHost: "192.168.1.44",    });  });   it("stays network-accessible even when no LAN address is currently detectable", () => {    expect(      resolveDesktopServerExposure({        mode: "network-accessible",        port: 3773,        networkInterfaces: {},      }),    ).toEqual({      mode: "network-accessible",      bindHost: "0.0.0.0",      localHttpUrl: "http://127.0.0.1:3773",      localWsUrl: "ws://127.0.0.1:3773",      endpointUrl: null,      advertisedHost: null,    });  });});