dc487e2f97
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Any future feature spec now just calls:
captureProofshots('/my-route', 'feature-name')
to get 6 screenshots (3 viewports × 2 themes) saved to
proofshot-artifacts/{feature-name}/.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
59 lines
1.9 KiB
TypeScript
59 lines
1.9 KiB
TypeScript
/**
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* Shared proofshot helper for Playwright.
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*
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* Usage in any spec file:
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* import { captureProofshots } from './proofshots';
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* captureProofshots('/persons', 'persons');
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*
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* This registers one test per viewport × theme combination.
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* Screenshots are saved to proofshot-artifacts/{featureName}/.
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*/
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import { test } from '@playwright/test';
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import path from 'path';
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import fs from 'fs';
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import { fileURLToPath } from 'url';
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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const viewports = [
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{ name: 'mobile', width: 390, height: 844 },
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{ name: 'tablet', width: 768, height: 1024 },
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{ name: 'desktop', width: 1440, height: 900 }
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];
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/**
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* Registers Playwright tests that navigate to `url`, apply each theme,
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* and capture full-page screenshots at all standard viewports.
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*
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* @param url The path to screenshot (e.g. '/', '/persons', '/admin')
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* @param featureName Used as the output directory name and screenshot file prefix
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*/
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export function captureProofshots(url: string, featureName: string): void {
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const outDir = path.join(__dirname, '../../proofshot-artifacts', featureName);
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fs.mkdirSync(outDir, { recursive: true });
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for (const vp of viewports) {
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for (const theme of ['light', 'dark'] as const) {
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test(`${featureName} – ${vp.name} – ${theme}`, async ({ page }) => {
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await page.setViewportSize({ width: vp.width, height: vp.height });
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await page.goto(url);
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// Apply theme via data-theme attribute and localStorage
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await page.evaluate((t) => {
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document.documentElement.setAttribute('data-theme', t);
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localStorage.setItem('theme', t);
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}, theme);
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// 'networkidle' is unreliable in SvelteKit dev mode due to the HMR WebSocket.
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await page.waitForLoadState('domcontentloaded');
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await page.waitForSelector('main', { state: 'visible' });
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await page.screenshot({
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path: path.join(outDir, `${featureName}-${vp.name}-${theme}.png`),
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fullPage: true
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});
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});
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}
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}
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}
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