1import { describe, it, expect, vi, afterEach } from 'vitest';
2import { emitProgress, emitDone } from '../client/progress';
3
4describe('progress — no window (worker/node context)', () => {
5    it('emitProgress is a no-op when window is undefined', () => {
6        expect(typeof window).toBe('undefined');
7        expect(() => emitProgress('tx1', 5, 10)).not.toThrow();
8    });
9
10    it('emitDone is a no-op when window is undefined', () => {
11        expect(() => emitDone('tx1', 'pdf')).not.toThrow();
12    });
13});
14
15describe('progress — with window (main thread)', () => {
16    afterEach(() => {
17        // @ts-expect-error test-only global cleanup
18        delete globalThis.window;
19    });
20
21    it('emitProgress dispatches an ARWEAVE_DOWNLOAD_PROGRESS CustomEvent with txId/loaded/total', () => {
22        const dispatchEvent = vi.fn();
23        // @ts-expect-error minimal window stub for this test
24        globalThis.window = { dispatchEvent };
25
26        emitProgress('tx1', 5, 10);
27
28        expect(dispatchEvent).toHaveBeenCalledTimes(1);
29        const evt = dispatchEvent.mock.calls[0][0] as CustomEvent;
30        expect(evt.type).toBe('ARWEAVE_DOWNLOAD_PROGRESS');
31        expect(evt.detail).toEqual({ txId: 'tx1', loaded: 5, total: 10 });
32        expect(evt.bubbles).toBe(true);
33    });
34
35    it('emitDone dispatches an ARWEAVE_DOWNLOAD_DONE CustomEvent with txId/mime', () => {
36        const dispatchEvent = vi.fn();
37        // @ts-expect-error minimal window stub for this test
38        globalThis.window = { dispatchEvent };
39
40        emitDone('tx2', 'preview');
41
42        const evt = dispatchEvent.mock.calls[0][0] as CustomEvent;
43        expect(evt.type).toBe('ARWEAVE_DOWNLOAD_DONE');
44        expect(evt.detail).toEqual({ txId: 'tx2', mime: 'preview' });
45    });
46});
47