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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 } 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.resetAllMocks();
});
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({ update: 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({
update: { current: '1.0.0', latest: '1.1.0' },
});
const result = await checkForUpdates();
expect(result).toContain('1.0.0 → 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({
update: { 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({
update: { current: '1.1.0', latest: '1.0.0' },
});
const result = await checkForUpdates();
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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