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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { vi, describe, it, expect, beforeEach } from 'vitest';
import { checkForUpdates, FETCH_TIMEOUT_MS } from './updateCheck.js';
const getPackageJson = vi.hoisted(() => vi.fn());
vi.mock('../../utils/package.js', () => ({
getPackageJson,
}));
const updateNotifier = vi.hoisted(() => vi.fn());
vi.mock('update-notifier', () => ({
default: updateNotifier,
}));
describe('checkForUpdates', () => {
beforeEach(() => {
vi.useFakeTimers();
vi.resetAllMocks();
// Clear DEV environment variable before each test
delete process.env.DEV;
});
afterEach(() => {
vi.useRealTimers();
vi.restoreAllMocks();
});
it('should return null when running from source (DEV=true)', async () => {
process.env.DEV = 'true';
getPackageJson.mockResolvedValue({
name: 'test-package',
version: '1.0.0',
});
updateNotifier.mockReturnValue({
fetchInfo: vi
.fn()
.mockResolvedValue({ current: '1.0.0', latest: '1.1.0' }),
});
const result = await checkForUpdates();
expect(result).toBeNull();
expect(getPackageJson).not.toHaveBeenCalled();
expect(updateNotifier).not.toHaveBeenCalled();
});
it('should return null if package.json is missing', async () => {
getPackageJson.mockResolvedValue(null);
const result = await checkForUpdates();
expect(result).toBeNull();
});
it('should return null if there is no update', async () => {
getPackageJson.mockResolvedValue({
name: 'test-package',
version: '1.0.0',
});
updateNotifier.mockReturnValue({
fetchInfo: vi.fn().mockResolvedValue(null),
});
const result = await checkForUpdates();
expect(result).toBeNull();
});
it('should return a message if a newer version is available', async () => {
getPackageJson.mockResolvedValue({
name: 'test-package',
version: '1.0.0',
});
updateNotifier.mockReturnValue({
fetchInfo: vi
.fn()
.mockResolvedValue({ current: '1.0.0', latest: '1.1.0' }),
});
const result = await checkForUpdates();
expect(result?.message).toContain('1.0.0 → 1.1.0');
expect(result?.update).toEqual({ current: '1.0.0', latest: '1.1.0' });
});
it('should return null if the latest version is the same as the current version', async () => {
getPackageJson.mockResolvedValue({
name: 'test-package',
version: '1.0.0',
});
updateNotifier.mockReturnValue({
fetchInfo: vi
.fn()
.mockResolvedValue({ current: '1.0.0', latest: '1.0.0' }),
});
const result = await checkForUpdates();
expect(result).toBeNull();
});
it('should return null if the latest version is older than the current version', async () => {
getPackageJson.mockResolvedValue({
name: 'test-package',
version: '1.1.0',
});
updateNotifier.mockReturnValue({
fetchInfo: vi
.fn()
.mockResolvedValue({ current: '1.1.0', latest: '1.0.0' }),
});
const result = await checkForUpdates();
expect(result).toBeNull();
});
it('should return null if fetchInfo times out', async () => {
getPackageJson.mockResolvedValue({
name: 'test-package',
version: '1.0.0',
});
updateNotifier.mockReturnValue({
fetchInfo: vi.fn(
async () =>
new Promise((resolve) => {
setTimeout(() => {
resolve({ current: '1.0.0', latest: '1.1.0' });
}, FETCH_TIMEOUT_MS + 1);
}),
),
});
const promise = checkForUpdates();
await vi.advanceTimersByTimeAsync(FETCH_TIMEOUT_MS);
const result = await promise;
expect(result).toBeNull();
});
it('should handle errors gracefully', async () => {
getPackageJson.mockRejectedValue(new Error('test error'));
const result = await checkForUpdates();
expect(result).toBeNull();
});
});
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