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| 1 | +import { describe, it, expect, vi, beforeEach } from 'vitest'; |
| 2 | + |
| 3 | +vi.mock('@/lib/github', async (importOriginal) => { |
| 4 | + const actual = await importOriginal<typeof import('@/lib/github')>(); |
| 5 | + return { |
| 6 | + ...actual, |
| 7 | + getFullDashboardData: vi.fn(), |
| 8 | + }; |
| 9 | +}); |
| 10 | + |
| 11 | +vi.mock('@/lib/githubtoken', () => ({ |
| 12 | + getUserGitHubToken: vi.fn().mockResolvedValue(undefined), |
| 13 | +})); |
| 14 | + |
| 15 | +vi.mock('@/lib/rate-limit', () => ({ |
| 16 | + RateLimiter: vi.fn().mockImplementation(function () { |
| 17 | + return { check: vi.fn().mockResolvedValue(true) }; |
| 18 | + }), |
| 19 | +})); |
| 20 | + |
| 21 | +import { GET } from './route'; |
| 22 | +import { getFullDashboardData } from '@/lib/github'; |
| 23 | + |
| 24 | +/** |
| 25 | + * Helper: build a mobile-flavoured request. We attach viewport hint headers |
| 26 | + * and mobile User-Agent strings so we can prove the /api/compare route is |
| 27 | + * device-agnostic — the JSON response must be identical and unclipped no |
| 28 | + * matter how narrow the client viewport is. |
| 29 | + */ |
| 30 | +function makeMobileRequest(search: string, headers: Record<string, string> = {}): Request { |
| 31 | + return new Request(`http://localhost:3000/api/compare?${search}`, { |
| 32 | + headers: new Headers(headers), |
| 33 | + }); |
| 34 | +} |
| 35 | + |
| 36 | +describe('Responsive Multi-device Columns & Mobile Viewport Layouts (Issue #6759)', () => { |
| 37 | + beforeEach(() => { |
| 38 | + vi.clearAllMocks(); |
| 39 | + vi.mocked(getFullDashboardData).mockResolvedValue({ |
| 40 | + calendar: { totalContributions: 50, weeks: [] }, |
| 41 | + } as never); |
| 42 | + }); |
| 43 | + |
| 44 | + // Test 1: Standard 375px mobile viewport (iPhone SE / 12 / 13 mini reference). |
| 45 | + // The comparison payload for two users must arrive intact — no clipping when |
| 46 | + // the client advertises a narrow viewport via the standard hint headers. |
| 47 | + it('serves a clean 200 JSON comparison for a 375px mobile viewport request', async () => { |
| 48 | + const res = await GET( |
| 49 | + makeMobileRequest('user1=alice&user2=bob', { |
| 50 | + 'Viewport-Width': '375', |
| 51 | + 'Sec-CH-Viewport-Width': '375', |
| 52 | + }) |
| 53 | + ); |
| 54 | + |
| 55 | + expect(res.status).toBe(200); |
| 56 | + expect(res.headers.get('content-type')).toContain('application/json'); |
| 57 | + |
| 58 | + const body = await res.json(); |
| 59 | + // "Columns reflow" here means both user payloads are still present — |
| 60 | + // nothing was dropped or truncated because of the mobile viewport hint. |
| 61 | + expect(body.user1).toBeDefined(); |
| 62 | + expect(body.user2).toBeDefined(); |
| 63 | + }); |
| 64 | + |
| 65 | + // Test 2: Mobile User-Agent (iPhone Safari). The route must not branch on |
| 66 | + // user-agent and must return a flat JSON shape with no absolute-width fields |
| 67 | + // that would push the mobile UI into a horizontal scrollbar. |
| 68 | + it('returns a scrollbar-safe payload when called from an iPhone User-Agent', async () => { |
| 69 | + const iphoneUA = |
| 70 | + 'Mozilla/5.0 (iPhone; CPU iPhone OS 17_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Mobile/15E148 Safari/604.1'; |
| 71 | + |
| 72 | + const res = await GET(makeMobileRequest('user1=alice&user2=bob', { 'user-agent': iphoneUA })); |
| 73 | + |
| 74 | + expect(res.status).toBe(200); |
| 75 | + const body = await res.json(); |
| 76 | + expect(typeof body).toBe('object'); |
| 77 | + // Payload must not carry fixed pixel widths that would break mobile layout. |
| 78 | + expect(body).not.toHaveProperty('width'); |
| 79 | + expect(body).not.toHaveProperty('minWidth'); |
| 80 | + expect(body.user1).toBeDefined(); |
| 81 | + expect(body.user2).toBeDefined(); |
| 82 | + }); |
| 83 | + |
| 84 | + // Test 3: Navigation-like re-fetch from a mobile client. When the user pulls |
| 85 | + // to refresh on Android, the client will re-issue the request with the same |
| 86 | + // ETag it already has. The route must scale down gracefully and return a |
| 87 | + // 304 Not Modified — no wasted bandwidth on a mobile connection. |
| 88 | + it('returns 304 for a mobile pull-to-refresh with a matching If-None-Match', async () => { |
| 89 | + const androidUA = |
| 90 | + 'Mozilla/5.0 (Linux; Android 13; Pixel 7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Mobile Safari/537.36'; |
| 91 | + |
| 92 | + // First mobile request — captures the ETag. |
| 93 | + const first = await GET( |
| 94 | + makeMobileRequest('user1=alice&user2=bob', { |
| 95 | + 'user-agent': androidUA, |
| 96 | + 'Viewport-Width': '412', |
| 97 | + }) |
| 98 | + ); |
| 99 | + const etag = first.headers.get('ETag'); |
| 100 | + expect(etag).toBeTruthy(); |
| 101 | + |
| 102 | + // Second mobile request (pull-to-refresh) — sends the ETag back. |
| 103 | + const second = await GET( |
| 104 | + makeMobileRequest('user1=alice&user2=bob', { |
| 105 | + 'user-agent': androidUA, |
| 106 | + 'Viewport-Width': '412', |
| 107 | + 'if-none-match': etag!, |
| 108 | + }) |
| 109 | + ); |
| 110 | + |
| 111 | + expect(second.status).toBe(304); |
| 112 | + expect(second.body).toBeNull(); |
| 113 | + expect(second.headers.get('Cache-Control')).toBe('public, s-maxage=1'); |
| 114 | + }); |
| 115 | + |
| 116 | + // Test 4: Mobile-specific toggle state (no cache header sent). When the |
| 117 | + // mobile client leaves the "use cache" toggle OFF and issues a fresh |
| 118 | + // request, the route must respond cleanly with a fresh ETag and the |
| 119 | + // standard Cache-Control — no state leaked from previous requests. |
| 120 | + it('responds with a fresh ETag when mobile client omits If-None-Match', async () => { |
| 121 | + const mobileUA = |
| 122 | + 'Mozilla/5.0 (iPhone; CPU iPhone OS 17_0 like Mac OS X) AppleWebKit/605.1.15 Mobile/15E148 Safari/604.1'; |
| 123 | + |
| 124 | + const res = await GET( |
| 125 | + makeMobileRequest('user1=alice&user2=bob', { |
| 126 | + 'user-agent': mobileUA, |
| 127 | + 'Viewport-Width': '375', |
| 128 | + }) |
| 129 | + ); |
| 130 | + |
| 131 | + expect(res.status).toBe(200); |
| 132 | + expect(res.headers.get('ETag')).toBeTruthy(); |
| 133 | + expect(res.headers.get('Cache-Control')).toBe('public, s-maxage=1'); |
| 134 | + }); |
| 135 | + |
| 136 | + // Test 5: Multi-device consistency — small phone (320px), standard phone |
| 137 | + // (375px), large phone (414px). All three breakpoints must produce an |
| 138 | + // identical 200 response with the same ETag (same underlying data) — |
| 139 | + // proving the route scales predictably across mobile widths. |
| 140 | + it('returns consistent behavior across 320px / 375px / 414px mobile breakpoints', async () => { |
| 141 | + const breakpoints = ['320', '375', '414']; |
| 142 | + const results: Array<{ status: number; etag: string | null }> = []; |
| 143 | + |
| 144 | + for (const width of breakpoints) { |
| 145 | + const res = await GET( |
| 146 | + makeMobileRequest('user1=alice&user2=bob', { |
| 147 | + 'Viewport-Width': width, |
| 148 | + 'Sec-CH-Viewport-Width': width, |
| 149 | + }) |
| 150 | + ); |
| 151 | + results.push({ |
| 152 | + status: res.status, |
| 153 | + etag: res.headers.get('ETag'), |
| 154 | + }); |
| 155 | + } |
| 156 | + |
| 157 | + // All three widths must produce a 200 with a valid ETag — and since the |
| 158 | + // underlying data is deterministic, the ETag must be identical. |
| 159 | + expect(results[0].status).toBe(200); |
| 160 | + expect(results[1].status).toBe(200); |
| 161 | + expect(results[2].status).toBe(200); |
| 162 | + expect(results[0].etag).toBeTruthy(); |
| 163 | + expect(results[0].etag).toBe(results[1].etag); |
| 164 | + expect(results[1].etag).toBe(results[2].etag); |
| 165 | + }); |
| 166 | +}); |
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