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scrabble-game/ui/e2e/telegram.spec.ts
T
Ilia Denisov c32a15730a
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UI: fix the lobby slide on Telegram cold launch (correct the cause)
The first attempt (the App.svelte `started` gate) targeted the first pane mount,
but the slide is a second render. On a Telegram cold launch the URL fragment is
Telegram's #tgWebAppData=... launch params, which the router parsed as notfound;
bootstrap's navigate('/') then corrected it to the lobby asynchronously, re-keying
the route pane (notfound -> lobby) and sliding the lobby in as if returning from a
screen. A reload was static because the hash was already #/.

Treat a Telegram launch fragment as the lobby root in the router, so the route is
correct from the first pane (no re-key, no slide). Extract the pure hash->Route
parsing into routeparse.ts so it unit-tests without a DOM, and revert the gate
(the first pane never slid — local transitions skip the initial mount, as clean
browser launches showed).

Tests: routeparse unit tests (incl. the tgWebApp fragment); an e2e that launches
with the fragment in the URL and asserts the lobby plus the normalised #/ hash.
2026-06-11 23:40:40 +02:00

94 lines
3.9 KiB
TypeScript

import { expect, test } from './fixtures';
// The shared fixture already neutralises the real telegram-web-app.js, so these
// specs control window.Telegram deterministically (injected below) with no network.
// A minimal valid-looking Telegram WebApp stub: non-empty initData triggers the Mini
// App launch path (the mock gateway accepts any initData and returns a durable
// session); themeParams override the design tokens.
function webAppStub(startParam = '') {
return {
Telegram: {
WebApp: {
initData: 'query_id=test&user=%7B%22id%22%3A1%7D&auth_date=1&hash=deadbeef',
initDataUnsafe: startParam ? { start_param: startParam } : {},
themeParams: { bg_color: '#101418', text_color: '#ffffff' },
ready() {},
expand() {},
},
},
};
}
test('Telegram launch auto-authenticates into the lobby and applies the theme', async ({ page }) => {
await page.addInitScript((stub) => {
Object.assign(window, stub);
}, webAppStub());
await page.goto('/');
// No guest-login click: the Mini App authenticates from initData and lands on the lobby.
await expect(page.getByText('Your turn')).toBeVisible();
// The Telegram themeParams override the background token at runtime.
await expect
.poll(() => page.evaluate(() => getComputedStyle(document.documentElement).getPropertyValue('--bg').trim()))
.toBe('#101418');
});
test('a Telegram launch fragment in the URL still lands on the lobby and normalises the hash', async ({
page,
}) => {
await page.addInitScript((stub) => {
Object.assign(window, stub);
}, webAppStub());
// Telegram appends its launch params to the URL fragment on a cold launch; the router must
// not treat that as a route (it parsed as notfound, which re-keyed the pane and slid the
// lobby in as if returning from another screen).
await page.goto(
'/#tgWebAppData=query_id%3Dtest%26user%3D%257B%2522id%2522%253A1%257D&tgWebAppVersion=7.0&tgWebAppPlatform=ios',
);
await expect(page.getByText('Your turn')).toBeVisible();
// The lobby is the root: bootstrap normalised the launch-param fragment to '#/'.
await expect.poll(() => new URL(page.url()).hash).toBe('#/');
});
test('tg-fullscreen header keeps a constant native-nav gap as the font scales', async ({ page }) => {
await page.goto('/');
await page.getByRole('button', { name: /guest/i }).click();
await expect(page.getByText('Your turn')).toBeVisible(); // the lobby header is present + settled
// Emulate Telegram fullscreen: the class + safe-area vars our header positions against.
await page.evaluate(() => {
const h = document.documentElement;
h.classList.add('tg-fullscreen');
h.style.setProperty('--tg-safe-top', '47px');
h.style.setProperty('--tg-content-top', '50px');
});
const probe = () =>
page.evaluate(() => {
const bar = document.querySelector('.bar')!.getBoundingClientRect();
const h1 = document.querySelector('.bar h1')!.getBoundingClientRect();
return { h1Top: Math.round(h1.top), overflows: h1.bottom > bar.bottom + 0.5 };
});
const normal = await probe();
// Scale the root font up (an OS / Telegram "larger text" setting scales rem-based text).
await page.evaluate(() => (document.documentElement.style.fontSize = '28px'));
const large = await probe();
// The gap to Telegram's native controls is a fixed px, so the title's top does not move…
expect(large.h1Top).toBe(normal.h1Top);
// …the title grows downward inside the bar (which grows with it), never overflowing it.
expect(normal.overflows).toBe(false);
expect(large.overflows).toBe(false);
});
test('outside Telegram, the /telegram/ entry redirects to the site root', async ({ page }) => {
await page.goto('/telegram/');
// The guard sends a non-Telegram visitor back to the root, where the normal
// (guest / email) login is shown.
await expect(page.getByRole('button', { name: /guest/i })).toBeVisible();
await expect(page).not.toHaveURL(/\/telegram\//);
});