blessing-skin-server/resources/assets/tests/js/check-updates.test.js

import {
    checkForUpdates,
    checkForPluginUpdates
} from '@/js/check-updates';
import { init } from '@/js/net';

test('check for BS updates', async () => {
    window.fetch = jest.fn()
        .mockResolvedValueOnce({ ok: false })
        .mockResolvedValueOnce({
            ok: true,
            json: () => Promise.resolve({ available: false })
        })
        .mockResolvedValueOnce({
            ok: true,
            json: () => Promise.resolve({ available: true, latest: '4.0.0' })
        });

    document.body.innerHTML = `
        <a href="/admin/update"></a>
    `;

    await checkForUpdates();
    expect(window.fetch).toBeCalledWith('/admin/update/check', init);
    expect(document.querySelector('a').innerHTML).toBe('');

    await checkForUpdates();
    expect(document.querySelector('a').innerHTML).toBe('');

    await checkForUpdates();
    expect(document.querySelector('a').innerHTML).toContain('4.0.0');
});

test('check for plugins updates', async () => {
    window.fetch = jest.fn()
        .mockResolvedValueOnce({ ok: false })
        .mockResolvedValueOnce({
            ok: true,
            json: () => Promise.resolve({ available: false })
        })
        .mockResolvedValueOnce({
            ok: true,
            json: () => Promise.resolve({ available: true, plugins: [{}] })
        });

    document.body.innerHTML = `
        <a href="/admin/plugins/market"></a>
    `;

    await checkForPluginUpdates();
    expect(window.fetch).toBeCalledWith('/admin/plugins/market/check', init);
    expect(document.querySelector('a').innerHTML).toBe('');

    await checkForPluginUpdates();
    expect(document.querySelector('a').innerHTML).toBe('');

    await checkForPluginUpdates();
    expect(document.querySelector('a').innerHTML).toContain('1');
});