Percy Visual Testing Skill

Overview

This skill provides expert-level capabilities for Percy-based visual testing, enabling snapshot capture, visual diff analysis, and seamless CI/CD integration.

Capabilities

Snapshot Capture

• Capture visual snapshots across viewports
• Configure responsive testing breakpoints
• Handle dynamic content masking
• Full-page and element snapshots

Visual Diff Analysis

• Analyze visual diffs between builds
• Identify intentional vs unintentional changes
• Configure diff sensitivity

Baseline Management

• Manage Percy baseline approvals
• Handle baseline branching
• Configure auto-approval rules

CI/CD Integration

• Configure Percy with CI/CD pipelines
• GitHub/GitLab integration
• Pull request visual reviews

Framework Integration

• Integrate with Playwright
• Integrate with Cypress
• Integrate with Selenium
• Storybook integration

Target Processes

• visual-regression.js - Visual regression testing
• e2e-test-suite.js - E2E with visual validation
• cross-browser-testing.js - Cross-browser visual testing

Dependencies

• @percy/cli - Percy CLI
• @percy/playwright / @percy/cypress - Framework SDKs
• Percy account and token

Usage Example

{
  kind: 'skill',
  skill: {
    name: 'percy-visual',
    context: {
      action: 'capture-snapshots',
      testSuite: 'e2e',
      widths: [375, 768, 1280],
      branch: 'feature/new-design'
    }
  }
}

Configuration

The skill requires a Percy token and can be configured to work with various testing frameworks.