Happo.io vs Arquillian: What are the differences?

Developers describe Happo.io as "Cross-platform, cross-browser screenshot testing for modern user interfaces". Happo is a visual regression testing tool. It hooks into your CI environment to compare the visual appearance of UI components before and after a change. Screenshots are taken in different browsers and across different screen sizes to ensure consistent cross-browser and responsive styling of your application. On the other hand, Arquillian is detailed as "An Innovative Testing Platform for the JVM". It is an integration and functional testing platform that can be used for Java middleware testing. With the main goal of making integration (and functional) tests as simple to write as unit tests, it brings the tests to the runtime environment, freeing developers from managing the runtime from within the test.

Happo.io and Arquillian can be primarily classified as "Testing Frameworks" tools.

Some of the features offered by Happo.io are:

• No more manual parsing of CSS
• See the effects of changes directly
• Test individual components in isolation

On the other hand, Arquillian provides the following key features:

• Real Tests
• IDE Friendly
• Test Enrichment