Function startMetadataServer

src/node/services/mcpOauthService.test.ts:589–605

(
    body: unknown
  )

describe("resolveOAuthScope", () => {
  async function startMetadataServer(
    body: unknown
  ): Promise<{ url: URL; close: () => Promise<void> }> {
    const server = createServer((_req, res) => {
      res.setHeader("Content-Type", "application/json");
      res.end(JSON.stringify(body));
    });
    await new Promise<void>((resolve) => server.listen(0, "127.0.0.1", resolve));
    const address = server.address();
    if (!address || typeof address === "string") {
      throw new Error("Failed to bind metadata server");
    }
    return {
      url: new URL(`http://127.0.0.1:${address.port}/.well-known/oauth-protected-resource`),
      close: () => new Promise<void>((resolve) => server.close(() => resolve())),
    };
  }

  test("uses the challenge scope when present", async () => {
    expect(await resolveOAuthScope({ raw: "", scope: "mcp.read" })).toBe("mcp.read");