public static TempFile CreateCSharpAnalyzerAssemblyWithTestAnalyzer(TempDirectory dir, string assemblyName)
{
var analyzerSource = @"
using System;
using System.Collections.Immutable;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.Diagnostics;
[DiagnosticAnalyzer(LanguageNames.CSharp)]
public class TestAnalyzer : DiagnosticAnalyzer
{
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get { throw new NotImplementedException(); } }
public override void Initialize(AnalysisContext context) { throw new NotImplementedException(); }
}";
dir.CopyFile(typeof(System.Reflection.Metadata.MetadataReader).Assembly.Location);
var immutable = dir.CopyFile(typeof(ImmutableArray).Assembly.Location);
var analyzer = dir.CopyFile(typeof(DiagnosticAnalyzer).Assembly.Location);
dir.CopyFile(Path.Combine(Path.GetDirectoryName(typeof(CSharpCompilation).Assembly.Location), "System.IO.FileSystem.dll"));
var analyzerCompilation = CSharpCompilation.Create(
assemblyName,
new SyntaxTree[] { SyntaxFactory.ParseSyntaxTree(analyzerSource) },
new MetadataReference[]
{
TestReferences.NetStandard13.SystemRuntime,
MetadataReference.CreateFromFile(immutable.Path),
MetadataReference.CreateFromFile(analyzer.Path)
},
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
return(dir.CreateFile(assemblyName + ".dll").WriteAllBytes(analyzerCompilation.EmitToArray()));
}
private void CopyProjectToTempDir(string projectDir, TempDirectory tempDir)
{
foreach (var file in Directory.EnumerateFiles(projectDir))
{
tempDir.CopyFile(file);
}
}
private void CopyProjectToTempDir(string projectDir, TempDirectory tempDir)
{
// copy all the files to temp dir
foreach (var file in Directory.EnumerateFiles(projectDir))
{
// never copy project.lock.json. All the tests are expected to call 'dotnet restore'
if (file.ToLower().EndsWith("project.lock.json"))
{
continue;
}
tempDir.CopyFile(file);
}
}
