docs-mcp-server

/** * Mock server for e2e tests. * * This server intercepts HTTP requests during tests and returns predefined responses * from the fixtures directory. This makes tests fast, reliable, and independent of * external services. */ import { http, HttpResponse } from "msw"; import { setupServer } from "msw/node"; import { readFileSync } from "node:fs"; import { join } from "node:path"; const fixturesDir = join(__dirname, "fixtures"); // Helper to read fixture files function readFixture(filename: string): string { return readFileSync(join(fixturesDir, filename), "utf-8"); } // Define mock handlers for httpbin.org endpoints export const handlers = [ // OpenAI embeddings mock - returns a zero vector to satisfy embedding calls in tests http.post("https://api.openai.com/v1/embeddings", async ({ request }) => { // OpenAI accepts `input` as either a string or string[] const body = (await request.json()) as { input?: string | string[]; model?: string }; const inputs = Array.isArray(body?.input) ? body.input : typeof body?.input === "string" ? [body.input] : []; const vector = Array(1536).fill(0); return HttpResponse.json({ data: inputs.map((_, index) => ({ object: "embedding", embedding: vector, index, })), model: body?.model ?? "text-embedding-3-small", object: "list", usage: { prompt_tokens: 0, total_tokens: 0 }, }); }), // HTML endpoint - returns Moby Dick content http.get("https://httpbin.org/html", () => { return new HttpResponse(readFixture("html.html"), { status: 200, headers: { "Content-Type": "text/html; charset=utf-8", }, }); }), // JSON endpoint http.get("https://httpbin.org/json", () => { return new HttpResponse(readFixture("json.json"), { status: 200, headers: { "Content-Type": "application/json", }, }); }), // XML endpoint http.get("https://httpbin.org/xml", () => { return new HttpResponse(readFixture("xml.xml"), { status: 200, headers: { "Content-Type": "application/xml", }, }); }), // robots.txt endpoint http.get("https://httpbin.org/robots.txt", () => { return new HttpResponse(readFixture("robots.txt"), { status: 200, headers: { "Content-Type": "text/plain", }, }); }), // Headers endpoint - echoes back the request headers http.get("https://httpbin.org/headers", ({ request }) => { const headers: Record<string, string> = {}; request.headers.forEach((value, key) => { headers[key] = value; }); const response = { headers, }; return HttpResponse.json(response, { status: 200, }); }), // Redirect endpoint - simulates a redirect http.get("https://httpbin.org/redirect/1", () => { return new HttpResponse(null, { status: 302, headers: { Location: "https://httpbin.org/html", }, }); }), // 404 endpoint http.get("https://httpbin.org/status/404", () => { return new HttpResponse("Not Found", { status: 404, }); }), ]; // Create and export the mock server export const server = setupServer(...handlers);