1  import { describe, it, expect, vi, beforeEach } from 'vitest';
 2  import { formatDuration, formatDate, itunesFetch } from './utils.js';
 3  describe('formatDuration', () => {
 4      it('formats typical duration in ms', () => {
 5          expect(formatDuration(3661000)).toBe('61:01');
 6      });
 7      it('pads single-digit seconds', () => {
 8          expect(formatDuration(65000)).toBe('1:05');
 9      });
10      it('formats exact minutes', () => {
11          expect(formatDuration(3600000)).toBe('60:00');
12      });
13      it('rounds fractional milliseconds', () => {
14          expect(formatDuration(3600500)).toBe('60:01');
15      });
16      it('returns dash for zero', () => {
17          expect(formatDuration(0)).toBe('-');
18      });
19      it('returns dash for NaN', () => {
20          expect(formatDuration(NaN)).toBe('-');
21      });
22  });
23  describe('formatDate', () => {
24      it('extracts YYYY-MM-DD from ISO string', () => {
25          expect(formatDate('2026-03-19T12:00:00.000Z')).toBe('2026-03-19');
26      });
27      it('handles date-only string', () => {
28          expect(formatDate('2025-01-01')).toBe('2025-01-01');
29      });
30      it('returns dash for empty string', () => {
31          expect(formatDate('')).toBe('-');
32      });
33      it('returns dash for undefined', () => {
34          expect(formatDate(undefined)).toBe('-');
35      });
36  });
37  describe('itunesFetch', () => {
38      beforeEach(() => {
39          vi.restoreAllMocks();
40      });
41      it('returns parsed JSON on success', async () => {
42          const mockData = { resultCount: 1, results: [{ collectionId: 123 }] };
43          vi.stubGlobal('fetch', vi.fn().mockResolvedValue({
44              ok: true,
45              json: () => Promise.resolve(mockData),
46          }));
47          const result = await itunesFetch('/search?term=test&media=podcast&limit=1');
48          expect(result).toEqual(mockData);
49      });
50      it('throws CliError on HTTP error', async () => {
51          vi.stubGlobal('fetch', vi.fn().mockResolvedValue({
52              ok: false,
53              status: 403,
54          }));
55          await expect(itunesFetch('/search?term=test')).rejects.toThrow('iTunes API HTTP 403');
56      });
57  });