When comparing Geb vs Cypress, the Slant community recommends Cypress for most people. In the question“What are the best test automation tools for web apps?” Cypress is ranked 4th while Geb is ranked 15th. The most important reason people chose Cypress is:
You can edit your test code in the browser and instantly see it run as you change the code.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Easy integration with build systems
It's very easy to integrate Geb with any build system.
Pro Asynchronous requests testing is a easier
Asynchronous web pages can easily be tested with Geb as it has built in, easy to use support for testing such operations.
Pro Web UI to develop tests quickly
You can edit your test code in the browser and instantly see it run as you change the code.
Pro Easy to record a video
It can easily record a video so you can understand what happened when a test failed in your CI.
Pro Amazing dashboard to view reports and recordings
The Cypress dashboard allows you to see every run on a great UI linked to commits and gitflow.
Pro Cross Browser testing
https://docs.cypress.io/guides/guides/cross-browser-testing.html
Chrome
Firefox
Edge
Electron
Brave
Cons
Con Low IDE support
There are not many IDEs that support Geb.
Con Doesn't support Safari
Con Single tab only
Does not and will not support multiple tabs or multiple simultaneous browsers.
See https://docs.cypress.io/guides/references/trade-offs.html#Permanent-trade-offs-1
Con Heavy in setup
Do not add Cypress in the main repo. Have a specific test repo for it or you will be sorry when the CI/CD flow takes 5-6 min longer every build due to installation time of Cypress.