Added analyzer support for command line library with initial basic analysis and testing.

[smaillet]

Added analyzer support with initial basic analysis and testing.

• Renamed EnumerableObjectComparer => SequenceComparer and added generic type param for items.

• Re-worked standard test support for generators to better match patterns/style of analyzer tests.

  • Removed need for Basic assembly package
  • Added CachedSourceGeneratorTest<TGenerator, TVerifier> to handle common cached validation.

• Added location retrieval extension for AttributeData to allow getting the location of the attribute itself for reporting diagnostic associated with the attribute.

• Reduced language runtime minimums to C# 12/.NET 8.0

• Renamed SourceGeneratorTest<TSourceGenerator, TVerifier> as LanguageVerionsSourceGeneratorTest<TSourceGenerator, TVerifier>

  • The new name better describes use, it is intended as a base class for some other type, particularly the new
    CachedSourceGeneratorTest<TGenerator, TVerifier>

• Added extensions for C# LanguageVersion to get default runtime assemblies and nullability behavior etc.. based on language version.

• Converted all test extensions to use IVerifier

  • This makes the Ubiquity.NET.SourceGenerator.Test.Utils independent of the actual test framework so it should be more useful
  • Add MsTestVerifier to the UT itself so that there is an adapter that interacts with the MS Test framework of those libraries.
    • The DefaultVerifier implementation cheats and uses an InvalidOperationException for all cases and doesn't actually adapt to anything.

• Removed support for VB

  • Inclusion of VB support or any other language causes problems with RS1038
  • If per language support is really desired then the language specific support needs isolation to distinct libraries.

• Added AttributeDataExtensions.GetLocation() to get the location of an attribute.

• Renamed x64.runsettings to simply .runsettings

  • Apparently something changed in the IDE and it now requires that name.

[github-actions]

Test Results

  8 files  ± 0    8 suites  ±0   1m 10s ⏱️ + 1m 4s
169 tests +11  165 ✅ +11  4 💤 ±0  0 ❌ ±0 
300 runs  +11  291 ✅ +11  9 💤 ±0  0 ❌ ±0 

Results for commit a630867. ± Comparison against base commit 0243ab3.

This pull request removes 1 and adds 12 tests. Note that renamed tests count towards both.

Ubiquity.NET.CommandLine.SrcGen.UT.RootCommandAttributeTests ‑ Basic_golden_path_succeeds

Ubiquity.NET.CommandLine.SrcGen.UT.CommandAnalyzerTests ‑ Empty_source_analyzes_clean (Net10_0)
Ubiquity.NET.CommandLine.SrcGen.UT.CommandAnalyzerTests ‑ Empty_source_analyzes_clean (Net8_0)
Ubiquity.NET.CommandLine.SrcGen.UT.CommandAnalyzerTests ‑ FileValidation_attribute_without_command_triggers_diagnostic (Net10_0)
Ubiquity.NET.CommandLine.SrcGen.UT.CommandAnalyzerTests ‑ FileValidation_attribute_without_command_triggers_diagnostic (Net8_0)
Ubiquity.NET.CommandLine.SrcGen.UT.CommandAnalyzerTests ‑ FolderValidation_attribute_without_command_triggers_diagnostic (Net10_0)
Ubiquity.NET.CommandLine.SrcGen.UT.CommandAnalyzerTests ‑ FolderValidation_attribute_without_command_triggers_diagnostic (Net8_0)
Ubiquity.NET.CommandLine.SrcGen.UT.CommandAnalyzerTests ‑ GoldenPath_produces_no_diagnostics (Net10_0)
Ubiquity.NET.CommandLine.SrcGen.UT.CommandAnalyzerTests ‑ GoldenPath_produces_no_diagnostics (Net8_0)
Ubiquity.NET.CommandLine.SrcGen.UT.CommandAnalyzerTests ‑ Option_attribute_without_command_triggers_diagnostic (Net10_0)
Ubiquity.NET.CommandLine.SrcGen.UT.CommandAnalyzerTests ‑ Option_attribute_without_command_triggers_diagnostic (Net8_0)
…