import { afterEach, describe, expect, it } from "@effect/vitest";import { Effect, FileSystem } from "effect";import { vi } from "vitest"; vi.mock("../../processRunner.ts", () => ({  runProcess: vi.fn(),})); import { runProcess } from "../../processRunner.ts";import { resolveServerEnvironmentLabel } from "./ServerEnvironmentLabel.ts"; const mockedRunProcess = vi.mocked(runProcess);const NoopFileSystemLayer = FileSystem.layerNoop({}); afterEach(() => {  mockedRunProcess.mockReset();}); describe("resolveServerEnvironmentLabel", () => {  it.effect("uses hostname fallback regardless of launch mode", () =>    Effect.gen(function* () {      const result = yield* resolveServerEnvironmentLabel({        cwdBaseName: "t3code",        platform: "win32",        hostname: "macbook-pro",      }).pipe(Effect.provide(NoopFileSystemLayer));       expect(result).toBe("macbook-pro");    }),  );   it.effect("prefers the macOS ComputerName", () =>    Effect.gen(function* () {      mockedRunProcess.mockResolvedValueOnce({        stdout: " Julius's MacBook Pro \n",        stderr: "",        code: 0,        signal: null,        timedOut: false,      });       const result = yield* resolveServerEnvironmentLabel({        cwdBaseName: "t3code",        platform: "darwin",        hostname: "macbook-pro",      }).pipe(Effect.provide(NoopFileSystemLayer));       expect(result).toBe("Julius's MacBook Pro");      expect(mockedRunProcess).toHaveBeenCalledWith(        "scutil",        ["--get", "ComputerName"],        expect.objectContaining({ allowNonZeroExit: true }),      );    }),  );   it.effect("prefers Linux PRETTY_HOSTNAME from machine-info", () =>    Effect.gen(function* () {      const result = yield* resolveServerEnvironmentLabel({        cwdBaseName: "t3code",        platform: "linux",        hostname: "buildbox",      }).pipe(        Effect.provide(          FileSystem.layerNoop({            exists: (path) => Effect.succeed(path === "/etc/machine-info"),            readFileString: (path) =>              path === "/etc/machine-info"                ? Effect.succeed('PRETTY_HOSTNAME="Build Agent 01"\nICON_NAME="computer-vm"\n')                : Effect.succeed(""),          }),        ),      );       expect(result).toBe("Build Agent 01");      expect(mockedRunProcess).not.toHaveBeenCalled();    }),  );   it.effect("falls back to hostnamectl pretty hostname on Linux", () =>    Effect.gen(function* () {      mockedRunProcess.mockResolvedValueOnce({        stdout: "CI Runner\n",        stderr: "",        code: 0,        signal: null,        timedOut: false,      });       const result = yield* resolveServerEnvironmentLabel({        cwdBaseName: "t3code",        platform: "linux",        hostname: "runner-01",      }).pipe(Effect.provide(NoopFileSystemLayer));       expect(result).toBe("CI Runner");      expect(mockedRunProcess).toHaveBeenCalledWith(        "hostnamectl",        ["--pretty"],        expect.objectContaining({ allowNonZeroExit: true }),      );    }),  );   it.effect("falls back to the hostname when friendly labels are unavailable", () =>    Effect.gen(function* () {      const result = yield* resolveServerEnvironmentLabel({        cwdBaseName: "t3code",        platform: "win32",        hostname: "JULIUS-LAPTOP",      }).pipe(Effect.provide(NoopFileSystemLayer));       expect(result).toBe("JULIUS-LAPTOP");    }),  );   it.effect("falls back to the hostname when the friendly-label command is missing", () =>    Effect.gen(function* () {      mockedRunProcess.mockRejectedValueOnce(new Error("spawn scutil ENOENT"));       const result = yield* resolveServerEnvironmentLabel({        cwdBaseName: "t3code",        platform: "darwin",        hostname: "macbook-pro",      }).pipe(Effect.provide(NoopFileSystemLayer));       expect(result).toBe("macbook-pro");    }),  );   it.effect("falls back to the cwd basename when the hostname is blank", () =>    Effect.gen(function* () {      mockedRunProcess.mockResolvedValueOnce({        stdout: " ",        stderr: "",        code: 0,        signal: null,        timedOut: false,      });       const result = yield* resolveServerEnvironmentLabel({        cwdBaseName: "t3code",        platform: "linux",        hostname: "   ",      }).pipe(Effect.provide(NoopFileSystemLayer));       expect(result).toBe("t3code");    }),  );});