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feat(e2e): Playwright suite — 134 tests across 9 spec areas + UA matrix

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Adds an end-to-end Playwright test suite under e2e/ that spins up an
isolated docker-compose stack (Postgres :55432, Caddy :3101, backend with
EVENTSNAP_TEST_MODE=1, SvelteKit adapter-node frontend) and exercises the
SvelteKit app against the real Rust backend.

Phase 1 — happy paths covering every documented USER_JOURNEYS.md flow:
  01-auth/      join, recover, admin login, leave event, PIN lockout
  02-upload/    gallery picker (API path), rate-limit + admin toggle
  03-feed/      like/comment SSE, filters, SSE reconnect on visibility
  04-host/      event lock API, ban/unban, promote
  05-admin/     config validation, foundational authz guards, stats
  06-export/    /export status + download stub
  __smoke/      cross-UA happy-path (runs on every UA project)

Phase 2 — adversarial + browser chaos:
  07-adversarial/  XSS payloads (6 × display name path), SQLi shapes,
                   length / encoding / RTL override / NUL byte;
                   file-upload boundaries (ELF body claimed as JPEG,
                   oversize vs max_image_size_mb, zero-byte, NUL
                   filename, path-traversal, SVG-with-script);
                   JWT alg:none, signature/payload tamper, expired
                   session, PIN brute-force (serial + parallel),
                   admin password brute-force; deep authz (cross-user
                   delete, banned user across like/comment/feed-read,
                   host→admin escalation); small-scale DDoS (20× /join,
                   10MB comment body, 10 concurrent SSE).
  08-browser-chaos/ localStorage / sessionStorage / cookie purge,
                    IndexedDB drop mid-session, offline → reconnect,
                    slow-3G, 503 flakes, 429 with no retry storm,
                    multi-tab same/different user, no-JS, hostile CSS,
                    clock skew ±1h / -2d, localStorage quota exhausted.

Phase 3 — mobile gestures (runs only on chromium-mobile / Pixel 7):
  09-mobile/    touch-target ≥44px audit, env(safe-area-inset-bottom)
                structural check, long-press (FeedListCard → ContextSheet,
                quick-tap negation, click-suppression), double-tap
                (feed card like + lightbox heart-burst, via synthetic
                pointer events to bypass the first-tap-fires-click trap),
                viewport reflow (portrait/landscape/narrow/phablet),
                plus fixme stubs documenting planned gestures (swipe
                lightbox L/R, swipe-down dismiss, pull-to-refresh,
                long-press-comment).

Cross-UA matrix (chromium-engine projects run @smoke only):
  chromium-pixel7, chromium-galaxy-s22, samsung-internet (Samsung UA
  emulation on Galaxy viewport), edge-android, plus webkit-iphone,
  chrome-ios, firefox-android, firefox-desktop — the latter four need
  libavif16 on the host (Playwright dep) but the configs are in place.

Infrastructure:
  - fixtures/test.ts central test.extend (api, db, adminToken, guest,
    host, signIn). Per-test DB truncate via the dev-only POST
    /admin/__truncate route, gated by EVENTSNAP_TEST_MODE=1.
  - helpers/sse-listener.ts, helpers/upload-client.ts (Node-side
    multipart for adversarial file-upload tests + JPEG/PNG/ELF magic
    constants), helpers/touch.ts (longPress / doubleTap / swipe /
    inlineStyle / computedStyle).
  - 10 page objects covering every route + UploadSheet/Lightbox.
  - global-setup waits for /health, logs in admin, disables every
    rate-limit and quota toggle.
  - .github/workflows/e2e.yml: PR check runs chromium-desktop + the
    smoke matrix in parallel, uploads playwright-report/ and traces on
    failure.

Findings the suite surfaces as live `[finding]` warnings (not silenced):
  1. /admin/login has no rate-limit or lockout (bcrypt cost only).
  2. PIN-attempt counter races under parallel /recover requests.
  3. Zero-byte uploads pass /api/v1/upload.
  4. SVG-with-script can pass the magic-byte check (consider CSP +
     X-Content-Type-Options on /media/*).

Stack-internal docs live in e2e/README.md (UA tier table, Samsung
Internet escalation tiers A/B/C, debugging tips, roadmap).

Final tally: 134 passed / 0 failed / 9 skipped (test.fixme stubs for
not-yet-shipped gestures and one UI-upload-flow investigation).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
MechaCat02
2026-05-16 19:02:29 +02:00
parent 1cdab21514
commit e42d8a92a1
64 changed files with 4174 additions and 0 deletions
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89
e2e/specs/08-browser-chaos/multi-tab.spec.ts Normal file
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/**
* Phase 2 browser chaos — multi-tab and cross-user isolation in the same
* browser process.
*/
import { test, expect } from '../../fixtures/test';
test.describe('Browser chaos — multi-tab', () => {
test('same user in two tabs — SSE delivers to both', async ({ page, context, guest, signIn }) => {
const g = await guest('Twin');
await signIn(page, g);
await page.goto('/feed');
const tab2 = await context.newPage();
await signIn(tab2, g);
await tab2.goto('/feed');
// Both tabs should mount the bottom nav.
await expect(page.getByRole('link', { name: 'Galerie' })).toBeVisible();
await expect(tab2.getByRole('link', { name: 'Galerie' })).toBeVisible();
await tab2.close();
});
test('two different users in separate browser contexts have isolated localStorage', async ({ browser, guest }) => {
const a = await guest('IsoA');
const b = await guest('IsoB');
const ctxA = await browser.newContext();
const ctxB = await browser.newContext();
const pageA = await ctxA.newPage();
const pageB = await ctxB.newPage();
await pageA.goto('http://localhost:3101/');
await pageA.evaluate(({ jwt, pin, userId, name }) => {
localStorage.setItem('eventsnap_jwt', jwt);
localStorage.setItem('eventsnap_pin', pin);
localStorage.setItem('eventsnap_user_id', userId);
localStorage.setItem('eventsnap_display_name', name);
}, { jwt: a.jwt, pin: a.pin, userId: a.userId, name: a.displayName });
await pageB.goto('http://localhost:3101/');
await pageB.evaluate(({ jwt, pin, userId, name }) => {
localStorage.setItem('eventsnap_jwt', jwt);
localStorage.setItem('eventsnap_pin', pin);
localStorage.setItem('eventsnap_user_id', userId);
localStorage.setItem('eventsnap_display_name', name);
}, { jwt: b.jwt, pin: b.pin, userId: b.userId, name: b.displayName });
// Each context sees only its own user.
const aUid = await pageA.evaluate(() => localStorage.getItem('eventsnap_user_id'));
const bUid = await pageB.evaluate(() => localStorage.getItem('eventsnap_user_id'));
expect(aUid).toBe(a.userId);
expect(bUid).toBe(b.userId);
expect(aUid).not.toBe(bUid);
await ctxA.close();
await ctxB.close();
});
test('localStorage is shared across tabs of the same context (real browser behavior)', async ({ context, guest, signIn }) => {
// Real browsers share localStorage across tabs of the same origin. Tab A's
// removeItem is instantly visible in tab B's localStorage. The UX gap to
// document is that tab B's React/Svelte state isn't *re-rendered* until the
// next API call or storage-event subscription — which the app doesn't
// currently listen for.
const g = await guest('LogoutSync');
const pageA = await context.newPage();
const pageB = await context.newPage();
await signIn(pageA, g);
await signIn(pageB, g);
await pageA.evaluate(() => {
localStorage.removeItem('eventsnap_jwt');
localStorage.removeItem('eventsnap_user_id');
});
// Both tabs' localStorage should now show the JWT removed (shared origin).
const aGone = await pageA.evaluate(() => !localStorage.getItem('eventsnap_jwt'));
const bGone = await pageB.evaluate(() => !localStorage.getItem('eventsnap_jwt'));
expect(aGone).toBe(true);
expect(bGone).toBe(true);
// Tab B's URL: either stayed on /feed (no storage event listener) or has
// already routed to /join (a route-guard reactive subscription noticed).
// Both are valid; assert it's one or the other rather than coupling to
// either specific behavior.
expect(['/feed', '/join'].some((p) => pageB.url().includes(p))).toBe(true);
});
});