Spotify MCP Server

/** * Test utilities for Spotify MCP Server tests */ import fs from 'node:fs'; import path from 'node:path'; import os from 'node:os'; const ARCHIVO_TOKENS = path.join(os.homedir(), '.spotify-mcp-tokens.json'); /** * Default test context with known Spotify IDs */ export const defaultTestContext = { // "Bohemian Rhapsody" by Queen - a well-known track testTrackId: '7tFiyTwD0nx5a1eklYtX2J', // Queen - a well-known artist testArtistId: '1dfeR4HaWDbWqFHLkxsg1d', }; /** * Checks if the user is authenticated with Spotify * @returns true if tokens exist, false otherwise */ export function isAuthenticated() { try { if (fs.existsSync(ARCHIVO_TOKENS)) { const tokens = JSON.parse(fs.readFileSync(ARCHIVO_TOKENS, 'utf8')); return !!(tokens.accessToken && tokens.refreshToken); } } catch { // If there's an error reading tokens, assume not authenticated } return false; } /** * Skips test if not authenticated * @throws Error if not authenticated */ export function requireAuth() { if (!isAuthenticated()) { throw new Error('Not authenticated. Run "npm run auth" first to authenticate with Spotify.'); } } /** * Extracts text content from a tool response * @param response The tool response * @returns The text content or empty string */ export function getResponseText(response) { return response.content[0]?.text ?? ''; } /** * Asserts that a response contains expected text * @param response The tool response * @param expected Text that should be present in the response */ export function assertResponseContains(response, expected) { const text = getResponseText(response); if (!text.includes(expected)) { throw new Error(`Expected response to contain "${expected}", but got: "${text}"`); } } /** * Asserts that a response does not contain error indicators * @param response The tool response */ export function assertNoError(response) { const text = getResponseText(response); if (text.startsWith('Error:') || text.includes('❌')) { throw new Error(`Unexpected error in response: "${text}"`); } } /** * Asserts that a response contains an ID pattern * @param response The tool response */ export function assertContainsId(response) { const text = getResponseText(response); // Spotify IDs are 22 characters alphanumeric const idPattern = /ID:\s*[a-zA-Z0-9]{22}/; if (!idPattern.test(text)) { throw new Error(`Expected response to contain a Spotify ID, but got: "${text}"`); } } /** * Creates a mock ContextoExtra for testing tools */ export function createMockContext() { return { signal: new AbortController().signal, }; } /** * Delays execution for a specified time * Useful for avoiding rate limits between API calls * @param ms Milliseconds to wait */ export function delay(ms) { return new Promise((resolve) => setTimeout(resolve, ms)); }