Update SA1121 and SA1404 to detect global using aliases, using GetImportScopes and compiling expression trees #3678
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Tests will fail. That can be fixed and code cleaned up later on. I am more interested in the big picture right now. Did you have something like this in mind, @sharwell? I haven't wrapped my head around your light-up code completely. I consider my own new code more or less unreadable, but it seems to work :-) I assume that some of it could be generated, but that is beyond me at the moment. Note that GetImportScopes wasn't available until Roslyn 4.3.0, so with this approach the original issue isn't really resolved perfectly. Are you ok with these rules being broken for Roslyn versions between 4.0.0 (introduction of c# 10) and 4.3.0 (introduction of GetImportScopes)? Regarding the failing tests: C# 10 tests fail because of the issue with GetImportScopes. What to do?
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bjornhellander
changed the title
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #3678 +/- ##
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+ Coverage 94.37% 97.45% +3.08%
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Files 924 930 +6
Lines 109815 110055 +240
Branches 3302 3308 +6
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+ Hits 103635 107255 +3620
+ Misses 5170 1836 -3334
+ Partials 1010 964 -46 |
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I moved the tests to the c# 11 test project, because of reasons listed above. Ok? |
That seems fine |
...p.Analyzers/StyleCop.Analyzers.Test.CSharp11/Lightup/IImportScopeWrapperCSharp11UnitTests.cs
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| using StyleCop.Analyzers.Lightup; | ||
| using Xunit; | ||
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| public class IImportScopeWrapperCSharp11UnitTests |
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I think that I missed the existing lightup test pattern. Is the idea that there are tests for each language version? Simple tests for c# 6 that verify fallback behavior etc, inherit that one for c#7 through 10, and "cut the inheritance chain" with this new test class for c# 11 (and inherit that one for c# 12 like I have done)?
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I updated this, but didn't manage to make it play nicely together with the DerivedTestGenerator the way I described it above. I instead ended up with inheriting all the way from the c# 7 project and up. Does it look ok anyway?
StyleCop.Analyzers/StyleCop.Analyzers/Helpers/SyntaxTreeHelpers.cs
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| public static bool SupportsGetImportScopes { get; } | ||
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| public static ImmutableArray<IImportScopeWrapper> GetImportScopes(this SemanticModel semanticModel, int position, CancellationToken cancellationToken = default) |
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I didn't add any lightup tests for this class, but relied on the SA1121 and SA1404 tests instead. Does that feel good enough? Feels slightly more complicated to add these as well, since I would need to get a SemanticModel instance somehow.
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| var obj = CreateImportScope(numberOfAliasSymbols); | ||
| Assert.True(IImportScopeWrapper.IsInstance(obj)); | ||
| var wrapper = IImportScopeWrapper.FromObject(obj); | ||
| Assert.Equal(obj.Aliases, wrapper.Aliases); |
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I updated this test to verify the actual alias symbols returned from the wrapper. Used the Moq package to be able to create IAliasSymbol instances more easily. Ok to add that dependency?
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Any more comments on this one, @sharwell? I added comments for some concerns that I have myself. |
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Rebased and squashed. |
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Sorry for the delays, will try to get to this one soon. The occasional pings are welcome. |
Another attempt to fix #3594.
SA1404 also suffered from the same problem.