public async Task RuntimeErrorAreListedByErrorPageMiddleware()
{
// The desktop CLR does not correctly read the stack trace from portable PDBs. However generating full pdbs
// is only supported on machines with CLSID_CorSymWriter available. On desktop, we'll skip this test on
// machines without this component.
#if NET451
if (!SymbolsUtility.SupportsFullPdbGeneration())
{
return;
}
#endif
// Arrange
var expectedMessage = HtmlEncoder.Default.Encode("throw new Exception(\"Error from view\");");
var expectedMediaType = MediaTypeHeaderValue.Parse("text/html; charset=utf-8");
// Act
var response = await Client.GetAsync("http://localhost/RuntimeError");
// Assert
Assert.Equal(HttpStatusCode.InternalServerError, response.StatusCode);
Assert.Equal(expectedMediaType, response.Content.Headers.ContentType);
var content = await response.Content.ReadAsStringAsync();
Assert.Contains("/Views/ErrorPageMiddleware/RuntimeError.cshtml", content);
Assert.Contains(expectedMessage, content);
}
public RoslynCompilationService(IMetadataReferenceManager referenceManager, Assembly operatingAssembly)
{
if (referenceManager == null)
{
throw new ArgumentNullException(nameof(referenceManager));
}
if (operatingAssembly == null)
{
throw new ArgumentNullException(nameof(operatingAssembly));
}
metadataReferenceManager = referenceManager;
this.operatingAssembly = operatingAssembly;
isDevelopment = IsAssemblyDebugBuild(OperatingAssembly);
var pdbFormat = SymbolsUtility.SupportsFullPdbGeneration() ?
DebugInformationFormat.Pdb :
DebugInformationFormat.PortablePdb;
EmitOptions = new EmitOptions(debugInformationFormat: pdbFormat);
var cacheOptions = Options.Create(new MemoryCacheOptions());
_cache = new MemoryCache(cacheOptions);
}
protected virtual RazorFileInfoCollection GeneratePrecompiledAssembly(
[NotNull] IEnumerable <SyntaxTree> syntaxTrees,
[NotNull] IEnumerable <RazorFileInfo> razorFileInfos)
{
var resourcePrefix = string.Join(".", CompileContext.Compilation.AssemblyName,
nameof(RazorPreCompiler),
Path.GetRandomFileName());
var assemblyResourceName = resourcePrefix + ".dll";
var applicationReference = CompileContext.Compilation.ToMetadataReference();
var references = CompileContext.Compilation.References
.Concat(new[] { applicationReference });
var preCompilationOptions = CompilationSettings.CompilationOptions
.WithOutputKind(OutputKind.DynamicallyLinkedLibrary);
var compilation = CSharpCompilation.Create(assemblyResourceName,
options: preCompilationOptions,
syntaxTrees: syntaxTrees,
references: references);
var generateSymbols = GenerateSymbols && SymbolsUtility.SupportsSymbolsGeneration();
// These streams are returned to the runtime and consequently cannot be disposed.
var assemblyStream = new MemoryStream();
var pdbStream = generateSymbols ? new MemoryStream() : null;
var emitResult = compilation.Emit(assemblyStream, pdbStream);
if (!emitResult.Success)
{
AddRange(CompileContext.Diagnostics, emitResult.Diagnostics);
return(null);
}
else
{
assemblyStream.Position = 0;
var assemblyResource = new ResourceDescription(assemblyResourceName,
() => assemblyStream,
isPublic: true);
CompileContext.Resources.Add(assemblyResource);
string symbolsResourceName = null;
if (pdbStream != null)
{
symbolsResourceName = resourcePrefix + ".pdb";
pdbStream.Position = 0;
var pdbResource = new ResourceDescription(symbolsResourceName,
() => pdbStream,
isPublic: true);
CompileContext.Resources.Add(pdbResource);
}
return(new PrecompileRazorFileInfoCollection(assemblyResourceName,
symbolsResourceName,
razorFileInfos.ToList()));
}
}
public RoslynCompilationService(IMetadataReferenceManager referenceManager, Assembly operatingAssembly)
{
this.metadataReferenceManager = referenceManager ?? throw new ArgumentNullException(nameof(referenceManager));
this.OperatingAssembly = operatingAssembly ?? throw new ArgumentNullException(nameof(operatingAssembly));
isDevelopment = AssemblyDebugModeUtility.IsAssemblyDebugBuild(OperatingAssembly);
var pdbFormat = SymbolsUtility.SupportsFullPdbGeneration() ?
DebugInformationFormat.Pdb :
DebugInformationFormat.PortablePdb;
EmitOptions = new EmitOptions(debugInformationFormat: pdbFormat);
}
