pinata-expo-hooks/dist/__tests__/setup.js

React Native/Expo hooks for Pinata TUS uploads

import '@testing-library/jest-dom';
import 'whatwg-fetch'; // Polyfill for fetch
// Mock global fetch
global.fetch = jest.fn();
// Mock Response constructor
global.Response = Response;
global.Headers = Headers;
// Mock setTimeout for controlling timing in tests
jest.useFakeTimers();
// Mock expo-file-system globally
jest.mock('expo-file-system', () => ({
    getInfoAsync: jest.fn(),
    readAsStringAsync: jest.fn(),
    EncodingType: {
        Base64: 'base64',
        UTF8: 'utf8',
    },
}));
// Mock Base64 globally
jest.mock('Base64', () => ({
    __esModule: true,
    default: {
        btoa: (str) => Buffer.from(str, 'binary').toString('base64'),
        atob: (str) => Buffer.from(str, 'base64').toString('binary'),
    },
}));
// Reset all mocks after each test
afterEach(() => {
    jest.clearAllMocks();
    jest.clearAllTimers();
});