30 lines
1.2 KiB
TypeScript
30 lines
1.2 KiB
TypeScript
import { expect, test } from '@playwright/test';
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declare global {
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interface Window {
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c: { next(): void; readonly index: number };
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}
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}
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const scrollLeft = () => document.getElementById('t')?.scrollLeft ?? 0;
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test('next() scrolls the track and updates index', async ({ page }) => {
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await page.goto('/e2e/demo.html');
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const before = await page.evaluate(scrollLeft);
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await page.evaluate(() => window.c.next());
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await page.waitForTimeout(500); // smooth scroll settle
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const after = await page.evaluate(scrollLeft);
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expect(after).toBeGreaterThan(before);
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await expect.poll(() => page.evaluate(() => window.c.index)).toBe(1);
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});
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test('clicking a dot navigates (fallback path on Firefox)', async ({ page, browserName }) => {
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// dots() self-gates: on Chromium native ::scroll-marker is present, so it no-ops.
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// Firefox lacks native markers — the JS fallback is the path that must pass.
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test.skip(browserName !== 'firefox', 'dots() no-ops where native ::scroll-marker exists');
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await page.goto('/e2e/demo.html');
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await page.locator('#dots button').nth(2).click();
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await page.waitForTimeout(500);
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await expect.poll(() => page.evaluate(() => window.c.index)).toBe(2);
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});
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