Automated Visual Regression Testing with AI and Gemini
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This workflow automates visual regression testing by comparing screenshots using Google Gemini's vision capabilities. It generates base images, captures new screenshots, and reports any detected visual changes.
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About This Workflow
Overview
This n8n workflow automates visual regression testing, a crucial process for ensuring website UIs remain consistent over time. It leverages Google Gemini's vision model to compare current screenshots of webpages against previously captured 'base' images. The workflow begins by identifying URLs that require new base images, downloads existing ones, and then captures fresh screenshots using an external service. These new screenshots are then compared to the base images using Gemini, and any visual discrepancies are reported, often to a project management tool like Linear. This process helps catch unintended visual changes early in the development cycle.
Key Features
- Automated screenshot generation using external services (e.g., Apify.com).
- Download and management of base screenshots.
- Comparison of new and base screenshots using AI vision models (Google Gemini).
- Structured output parsing for AI responses.
- Automated reporting of detected visual changes to project management tools (e.g., Linear.app).
- Flexible integration with other services for reporting (JIRA, Slack).
How To Use
- Configure the 'Schedule Trigger' to run the workflow at your desired frequency (e.g., weekly).
- Set up the 'Get URLs with Missing Base Images' node to pull a list of URLs from your Google Sheet.
- Ensure your 'Base Image' node is correctly configured to download base images from Google Drive.
- Configure the 'Download Screenshot' node with the correct URL for capturing new screenshots (potentially via an external service like Apify).
- Set up the 'Google Gemini Chat Model' and 'Structured Output Parser' nodes for AI comparison.
- Configure the 'Upload to Drive' and 'Update Base Image' nodes to manage your base screenshots in Google Drive and Google Sheets.
- Customize the 'Create Report In Linear' node to send detailed reports of detected changes to your preferred project management tool.
Apps Used
Workflow JSON
{
"id": "9e9e0592-0ecf-4da2-8759-f8d043636bde",
"name": "Automated Visual Regression Testing with AI and Gemini",
"nodes": 0,
"category": "AI & Data Analysis",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: 9e9e0592-0ecf...
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