Hound works very well for this. I am currently deploying hound against a django bff that runs in front of a django backend and it was incredibly effective at demonstrating that the elixir replacement backend that I wrote is an effective substitute that doesn’t die after long term burn in testing.
I can’t compare it to anything else (it’s been ages since I used capybara) but I wrote a repeating test and having it be a supervised process in elixir meant I didn’t have to nail down all corner cases (also my tests called out other services like ssh to confirm side effects), if it crashed the tests would restart from a safe state
I tried wallaby, but there were simply a few things that couldn’t trigger as reliably as hound does, so I stuck with hound, even though it’s imperative syntax is less to my liking. I got used to it though.
