import type { DiscoveredLocalServer } from "@t3tools/contracts";import { describe, expect, it } from "vite-plus/test"; import { mergeServers, type PreviewableServer } from "./useDiscoveredLocalServers"; const scannerServer = (  overrides: Partial<DiscoveredLocalServer & { requestedUrl: string }>,): DiscoveredLocalServer & { requestedUrl: string } => ({  host: "localhost",  port: 5173,  url: "http://localhost:5173",  requestedUrl: overrides.url ?? "http://localhost:5173",  processName: "vite",  pid: 1234,  terminal: null,  ...overrides,}); describe("mergeServers", () => {  it("returns scanner-only entries unchanged", () => {    const result = mergeServers({      scanner: [scannerServer({})],      configuredUrls: [],      recentlySeenUrls: [],    });    expect(result).toHaveLength(1);    expect(result[0]).toMatchObject({      host: "localhost",      port: 5173,      requestedUrl: "http://localhost:5173",      source: "scanner",      listening: true,      processName: "vite",    });  });   it("enriches a configured entry with live process metadata when scanner sees it", () => {    const result = mergeServers({      scanner: [scannerServer({ port: 5173, processName: "node", pid: 9999 })],      configuredUrls: ["http://localhost:5173"],      recentlySeenUrls: [],    });    expect(result).toHaveLength(1);    expect(result[0]).toMatchObject({      port: 5173,      source: "configured",      listening: true,      processName: "node",      pid: 9999,    });  });   it("keeps configured entries that the scanner doesn't see, with listening=false", () => {    const result = mergeServers({      scanner: [],      configuredUrls: ["http://localhost:5173"],      recentlySeenUrls: [],    });    expect(result).toHaveLength(1);    expect(result[0]).toMatchObject({      source: "configured",      listening: false,      requestedUrl: "http://localhost:5173/",    });  });   it("dedupes recently-seen URLs against scanner+configured entries", () => {    const result = mergeServers({      scanner: [scannerServer({ port: 5173 })],      configuredUrls: [],      recentlySeenUrls: ["http://localhost:5173/", "http://localhost:8080/"],    });    expect(result.map((s) => s.port)).toEqual([5173, 8080]);    expect(result.find((s) => s.port === 5173)?.source).toBe("scanner");    expect(result.find((s) => s.port === 8080)?.source).toBe("recent");    expect(result.find((s) => s.port === 8080)?.requestedUrl).toBe("http://localhost:8080/");  });   it("ignores non-loopback URLs in configured/recent inputs", () => {    const result = mergeServers({      scanner: [],      configuredUrls: ["https://example.com", "ws://localhost:5173"],      recentlySeenUrls: ["https://api.example.com"],    });    expect(result).toHaveLength(0);  });   it("sorts: configured before scanner before recent, then by port", () => {    const result = mergeServers({      scanner: [scannerServer({ port: 8080 }), scannerServer({ port: 3000 })],      configuredUrls: ["http://localhost:5173"],      recentlySeenUrls: ["http://localhost:9000/", "http://localhost:4321/"],    });    expect(result.map((s) => `${s.source}:${s.port}`)).toEqual([      "configured:5173",      "scanner:3000",      "scanner:8080",      "recent:4321",      "recent:9000",    ]);  });   it("dedupes by lowercased host", () => {    const result = mergeServers({      scanner: [scannerServer({ host: "Localhost", port: 5173 })],      configuredUrls: ["http://localhost:5173"],      recentlySeenUrls: [],    });    expect(result).toHaveLength(1);  });   it("keeps a scanner entry's pre-resolution requestedUrl distinct from a resolved url", () => {    const result = mergeServers({      scanner: [        scannerServer({          port: 5173,          url: "https://env-42.example.dev:5173/",          requestedUrl: "http://localhost:5173/",        }),      ],      configuredUrls: [],      recentlySeenUrls: [],    });    expect(result[0]?.url).toBe("https://env-42.example.dev:5173/");    expect(result[0]?.requestedUrl).toBe("http://localhost:5173/");  });}); describe("PreviewableServer interface", () => {  it("preserves listening flag through enrichment", () => {    const result = mergeServers({      scanner: [scannerServer({})],      configuredUrls: ["http://localhost:5173"],      recentlySeenUrls: [],    });    const merged: PreviewableServer | undefined = result[0];    expect(merged?.listening).toBe(true);  });});