How much flakiness do you tolerate in end to end tests? (programming.dev)

submitted 1 year ago* (last edited 1 year ago) by kersplort@programming.dev to c/experienced_devs@programming.dev

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End to end and smoke tests give a really valuable angle on what the app is doing and can warn you about failures before they happen. However, because they're working with a live app and a live database over a live network, they can introduce a lot of flakiness. Beyond just changes to the app, different data in the environment or other issues can cause a smoke test failure.

How do you handle the inherent flakiness of testing against a live app?

When do you run smokes? On every phoenix branch? Pre-prod? Prod only?

Who fixes the issues that the smokes find?

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[-] psukys@feddit.de 1 points 1 year ago

It depends, but generally as little as possible - nobody has time to inspect flakiness cause on a frequent basis when mindset is to move fast. Within team we identified components and degree of control we have over them to control flakiness

this post was submitted on 30 Aug 2023

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