Native End to End Testing
Brooke
Right now using detox with Expo isn't a great experience (IMHO), plus I get the feeling the detox team doesn't enjoy supporting expo. Fair enough for the wix team, it reduces their support requests but makes recommending detox unlikely.
Having experienced the dizzying joys of cypress testing with expo-web, the greatest wish at our company would be for an expo e2e testing tool that lets us test native iOS/Android using expo! We'd happily pay for features like test recording, or test runner servers etc.
Also, see React Native Radio podcast discussion from 26:30 (https://www.reactnativeradio.com/episodes/180-testing-strategies-tools-and-frameworks). I know others would love an expo blessed e2e testing solution!
J
Jeroen
Windows support is not great.
T
Tom Riglar
Hi Brooke - we're building Moropo to solve this exact problem. Currently in managed service early access if you'd like to run a free pilot project with us let me know. http://moropo.com/
GarioTV
Guys, there is a config plugin:
Brooke
GarioTV: Having a plugin is 💯, but has issues as Evan Bacon nicely explains, https://github.com/expo/config-plugins/issues/34#issuecomment-1010358649
I'd like to throw money at a managed CI service that removes needing to generate native code all the time. 😆
P
Pradeep Pandey
This is needed now more than ever with the ever-growing popularity and user base of expo developers. It's baffling to see there's no proper support for e2e testing and getting detox to work with expo is a nightmare.
Brooke
Thanks to those keeping the discussion open and input. The config plugin and detox examples are good. But still I think there is a big chance to improve the testing story with Expo and achieve it's rightful place as 👑of cross-platform dev
C
Conor
The lack of e2e testing for managed expo is seriously concerning. Given that it used to be a supported feature I would have thought this would be considered a regression? From what I can see the lack of documentation for this sort of functionality renders expo unusable unless you wish to release untested applications. Not sure why this has so few votes.
Kim Brandwijk
open
j
jack@questmate.com
Kim Brandwijk: Hi Kim, just checking in. What does it mean that this has changed from "Planned" to "Open"?
Jack Kinsella
The latest solution to this problem (iOS-only) is to use the exact packages in this sample repo: https://github.com/fschoenfeldt/clean-expo-detox-testing
In general, I think it would be a big boost to Expo if an
expo-detox
library was maintained. It would provide a maintained easy, way to interface between a local Expo app and detox and not worry about package versions and ENV variables etc.I would suggest that, in the meantime, we pool our efforts into keeping the example repo up to date and document the evolving process in its README.
Evan Bacon
Merged in a post:
Detox + Android + Expo (not bare)
Denys Morozov
React native community have such great library as Detox for automations e2e tests. It works perfectly on iOS simulator, but we have issues with Android :(
For example (issues):
1) DetoxRuntimeError: No instrumentation runner found on device emulator-5554 for package com.test.expoDetoxAndroid
2)'/Users/user/Development/expo-detox/androidTest/detox/expo-detox-androidTest.apk' could not be found, did you run './gradlew assembleAndroidTest'?
3) etc...
We have alternatives, like Appium and other libraries, but a lot of developers really like Detox and facing issues with Detox + Android + Expo
As for now, we can use such flows:
1) Detox for iOS and Appium for Android
2) Appium for both
3) Using Detox with ejecting (expo eject)
Evan Bacon
planned
We plan to add this as an Expo config plugin. Here is a proof of concept.
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