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I would argue that you can drop .NET 4.7, as .NET standard 2.0 covers all their is to cover (at least to my knowledge). And .NET 8.0 should probably be added?!
I think, net8 should be added as target for library when using new features from net8. There is no need to add it otherwise.
It should be added to the tests as soon as possible to check the compatibility.
Correct. Or at least 4.8, depending on the support lifecycle
I think, net8 should be added as target for library when using new features from net8. There is no need to add it otherwise.
It should be added to the tests as soon as possible to check the compatibility.
2 The versions listed here represent the rules that NuGet uses to determine whether a given .NET Standard library is applicable. While NuGet considers .NET Framework 4.6.1 as supporting .NET Standard 1.5 through 2.0, there are several issues with consuming .NET Standard libraries that were built for those versions from .NET Framework 4.6.1 projects. For .NET Framework projects that need to use such libraries, we recommend that you upgrade the project to target .NET Framework 4.7.2 or higher.
Although NET 4.6.2 is still supported, we didn't support it explicitly. And I'm fine with .NET Standard 2.0. We don't need to support .NET 7 or 8 just yet, but can if we need to. What else is there to discuss?
We can consider to move the .NET framework related assertions in a separate (legacy) package. This is only beneficial when the the .NET framework related assertions are not used that much (anymore). Do we have any insights in the usage?
I'm fine with whatever test target that consumes the netstandard20 and netstandard21 TFMs of FA.
netcoreapp20 and netcoreapp31 just seems easier than UWP and Mono/Xamarin/Unity.
Then you're essentially testing against the .NET Core 3.1 runtime. If we really want to ensure our .NET Standard 2.0 library works as expected, we would need to target UWP, Mono, Xamarin or Unity, which I don't want either. I would be fine only testing .NET 4.7 and 6.0. Alternatively, we can add all the tests to the UWP.Specs project and accept that this only gets tested on GHA
One cannot test netstandard as it's not an implementation, you'll have to run test on a runtime which implements that specification.
Of course different runtimes can have different implementations of netstandard, but shouldn't we at least test the all TFMS we compile to against some runtime?
The compiler will help us protect against using members that aren't available, but we know that certain runtimes pretend to implement .NET Standard, but then throw at runtime. To really catch those cases, you'll need to target the real runtimes. As .NET Standard is being deprecated in the community, But I'm willing to bring that risk to the folks that need .NET Standard.
If we don't want that, then we need to either use a deprecated runtime in our tests or start properly supporting all these other frameworks. I don't want to put that burden on ourselves and our contributors.
Keep using .NET Core to test .NET Standard. My biggest concern is that we're using a deprecated framework and it doesn't help prove that target works for Unity, UWP and such.
Don't test .NET Standard. The biggest risk is that we use something that compiles but doesn't work in Unity, UWP and such. But I'm confident we'll get bug reports if that really happens.
We fully embrace Unity, UWP and such. The big concern is that it requires quite some infrastructure, not just for us, but also for our contributors. I'm convinced it will slow down contributions.
Since 1 doesn't really solve the real problem and 3 is going to be very costly, I vote for 2.
I have no concerns also testing with deprecated frameworks, they can only add confidence not take it away.
I had a look at the #ifs and and the CC report from #2302 and all paths should be covered by either net47 or net6.
So let's go with 2, learn and adapt.
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[-]Revisit .NET target[/-][+]Revisit .NET targets[/+]dennisdoomen commentedon Aug 13, 2023
Started a thread on Twitter to get some feedback.
Corniel commentedon Aug 15, 2023
I would argue that you can drop
.NET 4.7, as.NET standard 2.0covers all their is to cover (at least to my knowledge). And.NET 8.0should probably be added?!IT-VBFK commentedon Aug 15, 2023
Maybe remove .NETCoreApp3.0 and 3.1, because of EOL?
lg2de commentedon Aug 15, 2023
Currently there are FA options (e.g. Event Monitoring) which is not available in the netstandard target. So, net47 should not be removed.
net47 has currently no support end date. So, it should be kept, I guess.
I think, net8 should be added as target for library when using new features from net8. There is no need to add it otherwise.
It should be added to the tests as soon as possible to check the compatibility.
dennisdoomen commentedon Aug 16, 2023
Correct. Or at least 4.8, depending on the support lifecycle
That is also correct.
jnyrup commentedon Aug 16, 2023
How about we target this from a feature perspective instead?
What new features do we want that requires new TFMs?
Is there any existing TFMs that cause unbearable maintenance?
I think we should bump net47 to at least net472.
I have regularly tested FA on .NET 8 previews.
The two blockers I recall were
BinaryFormatter(#1779) andSerializationFormat.Binary(#2002).dennisdoomen commentedon Sep 2, 2023
.NET Framework 4.7 is still supported, so that brings the final list to:
And if we need to support anything specific for .NET 7 or 8, we'll include those as well. But not before that.
Right @jnyrup ?
jnyrup commentedon Sep 3, 2023
I'll refer to my comment above.
What do we want for Fluent Assertions?
Do we want to:
Some notes:
.netstandard2.0 is needed if we want to support UWP https://learn.microsoft.com/en-us/dotnet/standard/net-standard?tabs=net-standard-2-0
net462 is also still supported by MS, but they have this quote on https://learn.microsoft.com/en-us/dotnet/standard/net-standard?tabs=net-standard-2-0
dennisdoomen commentedon Sep 3, 2023
Although NET 4.6.2 is still supported, we didn't support it explicitly. And I'm fine with .NET Standard 2.0. We don't need to support .NET 7 or 8 just yet, but can if we need to. What else is there to discuss?
Corniel commentedon Sep 4, 2023
We can consider to move the .NET framework related assertions in a separate (legacy) package. This is only beneficial when the the .NET framework related assertions are not used that much (anymore). Do we have any insights in the usage?
7 remaining items
dennisdoomen commentedon Sep 17, 2023
So apparently we were not really testing .NET Standard, except for a single UWP test.
jnyrup commentedon Sep 17, 2023
We're testing the netstandard20 through the netcoreapp20 target.
dennisdoomen commentedon Sep 17, 2023
Yes, and that one is not supported anymore. You're suggesting to keep doing that and ignore the
dotnetwarnings?jnyrup commentedon Sep 17, 2023
I'm fine with whatever test target that consumes the netstandard20 and netstandard21 TFMs of FA.
netcoreapp20 and netcoreapp31 just seems easier than UWP and Mono/Xamarin/Unity.
dennisdoomen commentedon Sep 17, 2023
Then you're essentially testing against the .NET Core 3.1 runtime. If we really want to ensure our .NET Standard 2.0 library works as expected, we would need to target UWP, Mono, Xamarin or Unity, which I don't want either. I would be fine only testing .NET 4.7 and 6.0.
Alternatively, we can add all the tests to theUWP.Specsproject and accept that this only gets tested on GHAjnyrup commentedon Sep 17, 2023
One cannot test netstandard as it's not an implementation, you'll have to run test on a runtime which implements that specification.
Of course different runtimes can have different implementations of netstandard, but shouldn't we at least test the all TFMS we compile to against some runtime?
dennisdoomen commentedon Sep 17, 2023
The compiler will help us protect against using members that aren't available, but we know that certain runtimes pretend to implement .NET Standard, but then throw at runtime. To really catch those cases, you'll need to target the real runtimes. As .NET Standard is being deprecated in the community, But I'm willing to bring that risk to the folks that need .NET Standard.
If we don't want that, then we need to either use a deprecated runtime in our tests or start properly supporting all these other frameworks. I don't want to put that burden on ourselves and our contributors.
dennisdoomen commentedon Sep 17, 2023
To conclude, we have a couple of options:
Since 1 doesn't really solve the real problem and 3 is going to be very costly, I vote for 2.
jnyrup commentedon Sep 17, 2023
I have no concerns also testing with deprecated frameworks, they can only add confidence not take it away.
I had a look at the
#ifs and and the CC report from #2302 and all paths should be covered by either net47 or net6.So let's go with 2, learn and adapt.