feat: add NUnit and MSTest migration analyzers and code fixers #3195
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- Add base classes for shared migration logic (BaseMigrationAnalyzer, BaseMigrationCodeFixProvider) - Implement NUnitMigrationAnalyzer to detect NUnit code - Implement NUnitMigrationCodeFixProvider to convert NUnit to TUnit - Implement MSTestMigrationAnalyzer to detect MSTest code - Implement MSTestMigrationCodeFixProvider to convert MSTest to TUnit - Add comprehensive tests for both migration paths - Add diagnostic rules TUNU0001 and TUMS0001 - Share common code through base classes and helper methods Key conversions: NUnit: [Test], [TestCase], [SetUp], [TearDown], Assert.That → TUnit equivalents MSTest: [TestMethod], [DataRow], [TestInitialize], [TestCleanup], Assert.AreEqual → TUnit equivalents 🤖 Generated with Claude Code Co-Authored-By: Claude <[email protected]>
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- Add comprehensive migration guide for NUnit to TUnit - Add comprehensive migration guide for MSTest to TUnit - Include automated code fixer instructions using TUNU0001 and TUMS0001 - Document manual migration steps for all attributes, assertions, and lifecycle methods - Provide side-by-side comparison examples for common patterns - Highlight key differences and async-by-default approach 🤖 Generated with Claude Code Co-Authored-By: Claude <[email protected]>
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- Add 'using TUnit.Analyzers.Migrators.Base;' to NUnit and MSTest code fixers - Fixes compilation error CS0103 🤖 Generated with Claude Code Co-Authored-By: Claude <[email protected]>
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- Fix MSTest false positives by changing TargetFrameworkNamespace from 'Microsoft' to 'Microsoft.VisualStudio.TestTools.UnitTesting' - Eliminate duplicate GetDeclaredSymbol calls for performance improvement - Add error handling to code fixers with try-catch blocks Co-authored-by: Tom Longhurst <[email protected]>
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