Developer technologies | .NET | .NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
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.
Developer technologies | .NET | .NET MAUI
{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.) 50,166 Reputation points Microsoft External Staff2024-03-27T06:56:31.09+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