In my App I'm using NSLocalizedString to localize my app. Now I want to switch to UITests and habe Testcode like this:
Create a new scheme for UI Testing and set the default Application Language. This will lock the app into one localized file so you can write all of your tests for that language.
Set the option from Product -> Scheme -> Manage Schemes or ⌘⇧,. Then select the Options tab and set the language.
Pros: Simple, one-time change.
Cons: Cannot be used to create localized screenshots with snapshot (a tool that runs your app via UI Testing and generates App Store screenshots along the way).
-accessibilityIdentifierfor Localized Strings
Instead of accessing items via their displayed text or value, use
accessibilityIdentifier. This is read by the UI Testing framework but never shown or read to users (even with accessibility turned on). In the old UIAutomation docs Apple mentions using this for developer functionality, which this seams like a good use case.
You can then continue to set
accessibilityValue like normal, with the localized versions.
Pros: Can be used for more generic solutions, such as taking automated screenshots.
Cons: Might require more work changing each label you need "unlocalized" for testing.