visual-regression-setup

# visual-regression-setup Configure visual regression testing for desktop applications to catch unintended UI changes. ## Capabilities - Configure Percy integration - Set up Chromatic for Storybook - Custom screenshot comparison - Configure threshold settings - Handle dynamic content masking - Set up CI/CD integration ## Input Schema ```json { "type": "object", "properties": { "projectPath": { "type": "string" }, "provider": { "enum": ["percy", "chromatic", "reg-suit", "custom"] }, "framework": { "enum": ["playwright", "cypress", "puppeteer"] } }, "required": ["projectPath"] } ``` ## Percy Integration ```javascript // playwright.config.js import { defineConfig } from '@playwright/test'; export default defineConfig({ use: { screenshot: 'only-on-failure' } }); // test.spec.js import { test } from '@playwright/test'; import percySnapshot from '@percy/playwright'; test('visual test', async ({ page }) => { await page.goto('/'); await percySnapshot(page, 'Home page'); }); ``` ## Custom Comparison ```javascript const { toMatchImageSnapshot } = require('jest-image-snapshot'); expect.extend({ toMatchImageSnapshot }); test('matches screenshot', async () => { const screenshot = await page.screenshot(); expect(screenshot).toMatchImageSnapshot({ failureThreshold: 0.01, failureThresholdType: 'percent' }); }); ``` ## Related Skills - `playwright-electron-config` - `desktop-ui-testing` process