1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
import { isLowMemory } from '../client/isLowMemory';
import { setOldLoading } from '../client';
import { AO_HOST, setAOhost } from '../client/aoHost';
// Mock the setOldLoading function and prevent any network requests
jest.mock('../client', () => ({
setOldLoading: jest.fn(),
}));
// Mock any potential network requests
jest.mock('../services/request', () => ({
__esModule: true,
default: jest.fn().mockResolvedValue(''),
request: jest.fn().mockResolvedValue(''),
requestBuffer: jest.fn().mockResolvedValue(new ArrayBuffer(0)),
}));
// Mock the fileExists function to prevent network requests
jest.mock('../utils/fileExists', () => ({
__esModule: true,
default: jest.fn().mockResolvedValue(false),
}));
// Set AO_HOST to a valid URL before tests run
beforeAll(() => {
setAOhost('https://example.com/');
});
describe('isLowMemory', () => {
beforeEach(() => {
// Reset mock before each test to ensure isolation
(setOldLoading as jest.Mock).mockReset();
});
it('should call setOldLoading with true when user agent is low memory device', () => {
Object.defineProperty(window, 'navigator', { value: { userAgent: 'Mozilla/5.0 (Web0S; Linux/SmartTV) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.270 Safari/537.36 WebAppManager' }, writable: true });
isLowMemory();
expect(setOldLoading).toHaveBeenCalled();
});
it('should not call setOldLoading when user agent is not a low memory device', () => {
Object.defineProperty(window, 'navigator', { value: { userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36' }, writable: true });
isLowMemory();
expect(setOldLoading).not.toHaveBeenCalled();
});
it('should call setOldLoading with true for different low memory devices', () => {
const testCases = [
'Mozilla/5.0 (iPod touch; CPU iPhone OS 10_3_2 like Mac OS X) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.0 Mobile/14F89 Safari/602.1',
'Mozilla/5.0 (Linux U; en-US) AppleWebKit/528.5 (KHTML, like Gecko, Safari/528.5 ) Version/4.0 Kindle/3.0 (screen 600x800; rotate) [ip:134.209.137.157]',
'Mozilla/5.0 (New Nintendo 3DS like iPhone) AppleWebKit/536.30 (KHTML, like Gecko) NX/3.0.0.5.24 Mobile NintendoBrowser/1.12.10178.EU'
];
for (const device of testCases) {
Object.defineProperty(window, 'navigator', { value: { userAgent: device }, writable: true });
isLowMemory();
expect(setOldLoading).toHaveBeenCalledWith(true);
}
});
});
|
