.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
3,720 questions
Maui FileSystem.AppDataDirectory is throwing exception during unit testing
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(153.6, 62%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKP%3C/text%3E%3C/svg%3E)
Kannan P S
5
Reputation points
During the unit testing, microsoft.maui.applicationmodel.notimplementedinreferenceassemblyexception is throwing when using FileSystem.AppDataDirectory. The targetframework is net8.0.
{count} vote
-
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(316.8, 40%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYL%3C/text%3E%3C/svg%3E)
Yonglun Liu (Shanghai Wicresoft Co,.Ltd.) 45,566 Reputation points Microsoft Vendor2024-03-27T06:56:31.09+00:00 This error is expected because the path provided by FileSystem is dynamically generated based on the program name when the program is running, so you cannot call it separately externally.
For the application scope and best practices of unit testing, please refer to Unit testing for more detailed information.
Sign in to comment
Sign in to answer