How to create a UITest that uses SwiftData thats only stored in memory.

This is useful for creating tests that start with no memory (i.e. clean start) and where memory is cleared on terminate.

Oscar de la Hera Gomez
Written by Oscar de la Hera Gomez
First published on 11/09/2024 at 09:40
Last Updated on 11/09/2024 at 10:00
<p>Three flowers that represent SwiftData, Swift Testing and XCode side by side. Beneath them sits the text "Test from Memory".</p>

This is useful for creating tests that start with no memory (i.e. clean start) and where memory is cleared on terminate.

SubscribeDownload Open Source Project

The following tutorial shows how we found temporary files from our upcoming app Object Capture Pro. If you wish to be updated on the progress and release of this app, please subscribe using the link below.

Subscribe
<p>A screenshot of XCode showing how we used the argument to change the configuration of a SwiftData persistent container.</p>

To test SwiftData from memory in Swift Testing, setup a command line argument and use it to alter the configuration of the ModelContainer.

Then in a UI Test, launch the app with that argument.

How to use Command Line Arguments in Swift Testing

Looking to learn more about SwiftData, Swift, Swift Testing, Design and Technology?

Search our blog to learn more about Swift, SwiftUI, SwiftData, Swift Testing, design and technology.

Search our Blog

Any Questions?

We are actively looking for feedback on how to improve this resource. Please send us a note to inquiries@delasign.com with any thoughts or feedback you may have.
SubscribeContact UsVisit our BlogView our ServicesView our Work

Partner with us

We would love to get to know you and see how we can help your organization with its goals and needs.
Let's Talk

Stay Informed

Get occasional updates about our company, research, and product launches.
Subscribe