MCP Screenshot Server

import { createCaptureEngine } from "./index"; import { LinuxCaptureEngine } from "./linux-capture-engine"; import { MacOSCaptureEngine } from "./macos-capture-engine"; import { WindowsCaptureEngine } from "./windows-capture-engine"; import { WSLCaptureEngine } from "./wsl-capture-engine"; import * as fs from "fs"; jest.mock("fs"); describe("createCaptureEngine", () => { const originalPlatform = process.platform; afterEach(() => { Object.defineProperty(process, "platform", { value: originalPlatform, }); jest.clearAllMocks(); }); it("should return LinuxCaptureEngine on Linux (non-WSL)", () => { Object.defineProperty(process, "platform", { value: "linux", }); (fs.readFileSync as jest.Mock).mockReturnValue( "Linux version 5.4.0-generic" ); const engine = createCaptureEngine(); expect(engine).toBeInstanceOf(LinuxCaptureEngine); }); it("should return WSLCaptureEngine on Linux (WSL)", () => { Object.defineProperty(process, "platform", { value: "linux", }); (fs.readFileSync as jest.Mock).mockReturnValue( "Linux version 5.10.16.3-microsoft-standard-WSL2" ); const engine = createCaptureEngine(); expect(engine).toBeInstanceOf(WSLCaptureEngine); }); it("should return MacOSCaptureEngine on Darwin", () => { Object.defineProperty(process, "platform", { value: "darwin", }); const engine = createCaptureEngine(); expect(engine).toBeInstanceOf(MacOSCaptureEngine); }); it("should return WindowsCaptureEngine on Win32", () => { Object.defineProperty(process, "platform", { value: "win32", }); const engine = createCaptureEngine(); expect(engine).toBeInstanceOf(WindowsCaptureEngine); }); it("should throw error on unsupported platform", () => { Object.defineProperty(process, "platform", { value: "sunos", }); expect(() => createCaptureEngine()).toThrow("Unsupported platform: sunos"); }); });