Bitcoin SV MCP Server

import { afterEach, beforeEach, describe, expect, it, spyOn } from "bun:test"; import { fetchProfile } from "./getId"; import type { IdentityData, SigmaIdentityProfile } from "./types"; // Store the original fetch function const originalFetch = global.fetch; let fetchMock: ReturnType<typeof spyOn>; describe("BAP getId - fetchProfile", () => { beforeEach(() => { // Create a new spy for global.fetch before each test // and assign it to global.fetch fetchMock = spyOn(globalThis, "fetch"); }); afterEach(() => { // Restore the original fetch function after each test fetchMock.mockRestore(); }); it("should return identity data for a valid idKey", async () => { const mockIdKey = "testIdKey"; const mockIdentityData: IdentityData = { "@context": ["https://w3id.org/did/v0.11", "https://w3id.org/bap/v1"], id: `did:bap:id:${mockIdKey}`, publicKey: [ { id: `did:bap:id:${mockIdKey}#root`, controller: `did:bap:id:${mockIdKey}`, type: "EcdsaSecp256k1VerificationKey2019", bitcoinAddress: "1SomeBitcoinAddress", }, ], authentication: ["#root"], assertionMethod: ["#root"], }; const mockApiResponse: SigmaIdentityProfile = { result: mockIdentityData }; // fetchMock.mockResolvedValueOnce({ fetchMock.mockImplementationOnce(async () => ({ ok: true, json: async () => mockApiResponse, text: async () => JSON.stringify(mockApiResponse), status: 200, })); const profile = await fetchProfile(mockIdKey); expect(profile).toEqual(mockIdentityData); expect(fetchMock).toHaveBeenCalledTimes(1); expect(fetchMock).toHaveBeenCalledWith( expect.stringContaining("/identity/get"), expect.objectContaining({ method: "POST", body: JSON.stringify({ idKey: mockIdKey }), }), ); }); it("should return null if Sigma API returns 404", async () => { const mockIdKey = "nonExistentIdKey"; // fetchMock.mockResolvedValueOnce({ fetchMock.mockImplementationOnce(async () => ({ ok: false, status: 404, json: async () => ({ error: "not found" }), // Mock error body for 404 text: async () => "not found", })); const profile = await fetchProfile(mockIdKey); expect(profile).toBeNull(); expect(fetchMock).toHaveBeenCalledTimes(1); }); it("should throw an error if Sigma API request fails (non-404)", async () => { const mockIdKey = "errorIdKey"; // fetchMock.mockResolvedValueOnce({ fetchMock.mockImplementationOnce(async () => ({ ok: false, status: 500, json: async () => ({ error: "server error" }), text: async () => "server error", })); await expect(fetchProfile(mockIdKey)).rejects.toThrow( "Sigma API request failed with status 500: server error", ); expect(fetchMock).toHaveBeenCalledTimes(1); }); it("should throw an error if Sigma API response is malformed (missing result)", async () => { const mockIdKey = "malformedIdKey"; // fetchMock.mockResolvedValueOnce({ fetchMock.mockImplementationOnce(async () => ({ ok: true, status: 200, json: async () => ({}), // Empty object, missing 'result' text: async () => "{}", })); await expect(fetchProfile(mockIdKey)).rejects.toThrow( "Sigma API response is missing the 'result' field.", ); }); it("should throw an error if Sigma API response is not valid JSON", async () => { const mockIdKey = "invalidJsonIdKey"; // fetchMock.mockResolvedValueOnce({ fetchMock.mockImplementationOnce(async () => ({ ok: true, status: 200, json: async () => { throw new Error("Invalid JSON"); }, // Simulate JSON parsing error text: async () => "This is not JSON", })); expect(fetchProfile(mockIdKey)).rejects.toThrow( "Failed to parse Sigma API response: Invalid JSON", ); }); });