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.Net Core 3.1 with WPF classes fail
jotto
#1 Posted : Wednesday, December 18, 2019 11:25:38 AM(UTC)
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I have recently converted a project from .Net Framework 4.8 to .Net Core 3.1. The tested classes are using BitmapSource from WPF.

When I try to run these tests, I'm getting the following exception:

System.IO.FileNotFoundException : Could not load file or assembly 'PresentationCore, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. The system cannot find the file specified.

It seems like NCrunch doesn't resolve the WPF dependency somehow.

The test project file looks like this:

<PropertyGroup>
<TargetFramework>netcoreapp3.1</TargetFramework>
<IsPackable>false</IsPackable>
...
<UseWPF>true</UseWPF>
</PropertyGroup>


Is this an NCrunch bug, or is there something I haven't configured properly?
Hunter-d-_-b
#2 Posted : Wednesday, December 18, 2019 4:11:53 PM(UTC)
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I'm not an expert but I had a similar issue recently with my solution.

In NCrunch
Go to: Configuration > Build Settings > Copy referenced assemblies to workspace = True

Let me know if it worked for you :)
Remco
#3 Posted : Wednesday, December 18, 2019 11:29:22 PM(UTC)
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It's possible that this is a v4.2 regression - https://forum.ncrunch.net/yaf_postst2892_Could-not-load-file-or-assembly-after-4-2-0-7-update.aspx.

We're investigating this. I recommend trying the 'Copy referenced assemblies to workspace' setting (as suggested above), or rolling back to v4.1 to see if that fixes it.
jotto
#4 Posted : Thursday, December 19, 2019 8:20:08 AM(UTC)
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Thanks for following up guys. Unfortunately I'm getting the same error with "Copy referenced assemblies to workspace".
Remco
#5 Posted : Thursday, December 19, 2019 12:10:03 PM(UTC)
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jotto;14242 wrote:
Thanks for following up guys. Unfortunately I'm getting the same error with "Copy referenced assemblies to workspace".


Thanks for confirming this. Right now I believe it to be caused by this problem: https://forum.ncrunch.net/yaf_postst2892_Could-not-load-file-or-assembly-after-4-2-0-7-update.aspx

I recommend following the above thread for updates on the issue. Sadly, it's a tough one that might take us a while to crack. If you have the option, I recommend keeping your setup on an older toolset a little longer so you can still use NCrunch until we can fix the problem.
michaelkroes
#6 Posted : Friday, December 20, 2019 8:39:18 PM(UTC)
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jotto
#7 Posted : Saturday, December 21, 2019 9:33:52 AM(UTC)
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It still fails. Fortunately it's easy to reproduce with a test :-)

using System.Windows.Media;
using System.Windows.Media.Imaging;
using NUnit.Framework;

namespace MyNamespace
{
[TestFixture]
public class FailingTestClass
{
[Test]
public void FailingTest()
{
var bitmapSource =
BitmapSource.Create(10, 10, 96, 96, PixelFormats.Bgra32, null, new byte[10 * 10 * 4], 10 * 4);
}
}
}

1 user thanked jotto for this useful post.
michaelkroes on 12/21/2019(UTC)
michaelkroes
#8 Posted : Saturday, December 21, 2019 1:00:44 PM(UTC)
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Thanks!

I've got it reproduced and I will get back to you.
michaelkroes
#9 Posted : Sunday, December 22, 2019 11:47:24 AM(UTC)
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jotto
#10 Posted : Sunday, December 22, 2019 12:02:46 PM(UTC)
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Do you guys never take a break during weekends? :-D

Thanks -- it works now!
1 user thanked jotto for this useful post.
michaelkroes on 12/22/2019(UTC)
michaelkroes
#11 Posted : Sunday, December 22, 2019 2:33:33 PM(UTC)
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Thanks for the quick confirmation!
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