Snapper-io
Snapper is an open-source visual regression testing tool for websites and mobile apps. It allows you to take screenshots of your UI and compare them against previous versions to detect visual regressions.
visual-regression-testing
screenshot-comparison
ui-testing
open-source
Snapper-io: Open-Source Visual Regression Testing Tool
Snapper is an open-source visual regression testing tool for websites and mobile apps, detecting visual regressions by comparing screenshots of UI.
What is Snapper-io?
Snapper is an open-source visual regression testing tool designed for testing web and mobile applications. It works by taking screenshots of your app UI and comparing them against baseline screenshots to detect any unintended changes or regressions.
Some key features of Snapper include:
- Cross-browser screenshot testing - Supports all major browsers like Chrome, Firefox, Safari
- Device emulation - Emulate screenshots for mobile devices, tablets, laptops etc.
- Visual diffing - Pixel by pixel comparision to spot subtle UI changes
- CI/CD integrations - Integrate easily with tools like Jenkins, CircleCI, TravisCI etc.
- Annotations - Annotate screenshots to ignore dynamic/non-important areas
- Bulk approvals - Review and approve hundreds of screenshots with one click
- Shareable HTML reports - Beautiful test reports that can be shared with stakeholders
Overall, Snapper speeds up front-end testing and release management by catching UI bugs early. Its flexibility makes Snapper a great open-source alternative for visual regression testing of web and mobile apps.
Snapper-io Features
Features
- Visual regression testing
- Image comparison
- Baseline image management
- Cross browser testing
- CI/CD integration
- Accessibility testing
- Geolocation simulation
- Element state testing
- Mobile and responsive testing
- CLI and API support
Pricing
- Open Source
Pros
Open source and free
Easy to set up and use
Integrates with popular test runners
Powerful image comparison
Supports many browsers and devices
Active community support
Cons
Limited reporting compared to paid tools
Steep learning curve for advanced features
No object recognition
No automated failure analysis
Official Links
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