IBM i MCP Server

/** * @fileoverview Tests for the Stdio MCP transport setup. * @module tests/mcp-server/transports/stdio/stdioTransport.test */ import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js"; import { beforeEach, describe, expect, it, vi } from "vitest"; import { startStdioTransport } from "../../../../src/mcp-server/transports/stdio/stdioTransport.js"; import { McpError } from "../../../../src/types-global/errors.js"; import { requestContextService } from "../../../../src/utils/index.js"; // Mock SDK classes vi.mock("@modelcontextprotocol/sdk/server/mcp.js"); vi.mock("@modelcontextprotocol/sdk/server/stdio.js"); describe("startStdioTransport", () => { let mockServer: McpServer; const context = requestContextService.createRequestContext({ toolName: "test", }); beforeEach(() => { vi.clearAllMocks(); mockServer = new (vi.mocked(McpServer))({ name: "test", version: "1" }); }); it("should create a StdioServerTransport instance and connect the server", async () => { await startStdioTransport(mockServer, context); expect(StdioServerTransport).toHaveBeenCalledOnce(); expect(mockServer.connect).toHaveBeenCalledWith( expect.any(StdioServerTransport), ); }); it("should re-throw an McpError if server.connect fails", async () => { const connectionError = new Error("Connection failed"); vi.mocked(mockServer.connect).mockRejectedValue(connectionError); await expect(startStdioTransport(mockServer, context)).rejects.toThrow( McpError, ); }); });