When comparing Lean FT 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 Lean FT is ranked 20th. 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 It helps move testing closer to the development cycle
It's very easy to go between UFT and LeanFT. Whoever is used with UFT can easily become very productive with LeanFT too, but with the added benefit of moving the testing closer to the development cycle.
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 May have some stability issues
Since it's still a (relatively) new product, it may very well have some stability issues, which are sure to be fixed in the future though.
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.