FileCodeFix Tests

Author: inyutin-maxim

System.IO.Abstractions.Analyzers.Tests/Analyzers/FileAnalyzerTests.cs

@@ -25,7 +25,7 @@ public void Analyzer_is_triggered(string filename, int diagnosticLine, int diagn
 
 			var expectedDiagnostic = new DiagnosticResult
 			{
-				Id = FileAnalyzer.DiagnosticId,
+				Id = Constants.Io0002,
 				Message = FileAnalyzer.MessageFormat,
 				Severity = DiagnosticSeverity.Warning,
 				Locations = new[] { new DiagnosticResultLocation("Test0.cs", diagnosticLine, diagnosticColumn) }

System.IO.Abstractions.Analyzers.Tests/Analyzers/FileServiceInterfaceInjectionAnalyzerTests.cs

@@ -25,7 +25,7 @@ public void Analyzer_is_triggered(string filename, int diagnosticLine, int diagn
 
 			var expectedDiagnostic = new DiagnosticResult
 			{
-				Id = FileServiceInterfaceInjectionAnalyzer.DiagnosticId,
+				Id = Constants.Io0001,
 				Message = FileServiceInterfaceInjectionAnalyzer.MessageFormat,
 				Severity = DiagnosticSeverity.Warning,
 				Locations = new[] { new DiagnosticResultLocation("Test0.cs", diagnosticLine, diagnosticColumn) }

System.IO.Abstractions.Analyzers.Tests/CodeFixes/FileCodeFixTests.cs

@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+using System.IO.Abstractions.Analyzers.Analyzers.FileSystemTypeAnalyzers;
+using System.IO.Abstractions.Analyzers.CodeFixes;
+using Microsoft.CodeAnalysis;
+using Roslyn.Testing.CodeFix;
+using Xunit;
+
+namespace System.IO.Abstractions.Analyzers.Tests.CodeFixes
+{
+	public class FileCodeFixTests :
+		CSharpCodeFixProviderTest<FileAnalyzer, FileCodeFix>
+	{
+		[Theory]
+		[InlineData("BeforeFix.txt", "AfterFix.txt")]
+		public void CodeFix(string sourceBefore, string sourceAfter)
+		{
+			var sourceBeforeFix = ReadFile(sourceBefore);
+			var sourceAfterFix = ReadFile(sourceAfter);
+			VerifyFix(sourceBeforeFix, sourceAfterFix, 0, true);
+		}
+
+		protected override IEnumerable<MetadataReference> GetAdditionalReferences() => new[]
+		{
+			MetadataReference.CreateFromFile(typeof(IFileSystem).Assembly.Location)
+		};
+	}
+}

System.IO.Abstractions.Analyzers.Tests/TestData/CodeFix/FileCodeFix/AfterFix.txt

@@ -0,0 +1,21 @@
+using System.IO.Abstractions;
+
+namespace SomeNameSpace
+{
+	public class WithOutFileSystem
+	{
+		private readonly IFileSystem _fileSystem;
+
+		public WithOutFileSystem(IFileSystem fileSystem)
+		{
+			_fileSystem = fileSystem;
+		}
+
+		public void SomeMethod()
+		{
+			const string filePath = "C:\\temp.txt";
+
+			_fileSystem.File.Delete(filePath);
+		}
+	}
+}

System.IO.Abstractions.Analyzers.Tests/TestData/CodeFix/FileCodeFix/BeforeFix.txt

@@ -0,0 +1,21 @@
+using System.IO.Abstractions;
+
+namespace SomeNameSpace
+{
+	public class WithOutFileSystem
+	{
+		private readonly IFileSystem _fileSystem;
+
+		public WithOutFileSystem(IFileSystem fileSystem)
+		{
+			_fileSystem = fileSystem;
+		}
+
+		public void SomeMethod()
+		{
+			const string filePath = "C:\\temp.txt";
+
+			File.Delete(filePath);
+		}
+	}
+}