public void GetOrAdd_DoesNotCacheCompiledContent_OnCallsAfterInitial()
{
// Arrange
var lastModified = DateTime.UtcNow;
var cache = new CompilerCache();
var fileInfo = new Mock <IFileInfo>();
fileInfo.SetupGet(f => f.PhysicalPath)
.Returns("test");
fileInfo.SetupGet(f => f.LastModified)
.Returns(lastModified);
var type = GetType();
var uncachedResult = UncachedCompilationResult.Successful(type, "hello world");
// Act
cache.GetOrAdd(fileInfo.Object, () => uncachedResult);
var actual1 = cache.GetOrAdd(fileInfo.Object, () => uncachedResult);
var actual2 = cache.GetOrAdd(fileInfo.Object, () => uncachedResult);
// Assert
Assert.NotSame(uncachedResult, actual1);
Assert.NotSame(uncachedResult, actual2);
var result = Assert.IsType <CompilationResult>(actual1);
Assert.Null(actual1.CompiledContent);
Assert.Same(type, actual1.CompiledType);
result = Assert.IsType <CompilationResult>(actual2);
Assert.Null(actual2.CompiledContent);
Assert.Same(type, actual2.CompiledType);
}
/// <inheritdoc />
public CompilationResult Compile([NotNull] RelativeFileInfo fileInfo, [NotNull] string compilationContent)
{
var assemblyName = Path.GetRandomFileName();
var compilationSettings = _compilerOptionsProvider.GetCompilationSettings(_environment);
var syntaxTree = SyntaxTreeGenerator.Generate(compilationContent,
assemblyName,
compilationSettings);
var references = _applicationReferences.Value;
var compilationOptions = compilationSettings.CompilationOptions
.WithOutputKind(OutputKind.DynamicallyLinkedLibrary);
var compilation = CSharpCompilation.Create(assemblyName,
options: compilationOptions,
syntaxTrees: new[] { syntaxTree },
references: references);
using (var ms = new MemoryStream()) {
using (var pdb = new MemoryStream()) {
EmitResult result;
if (_supportsPdbGeneration.Value)
{
result = compilation.Emit(ms, pdbStream: pdb);
}
else
{
result = compilation.Emit(ms);
}
if (!result.Success)
{
return(GetCompilationFailedResult(
fileInfo.RelativePath,
compilationContent,
assemblyName,
result.Diagnostics));
}
Assembly assembly;
ms.Seek(0, SeekOrigin.Begin);
if (_supportsPdbGeneration.Value)
{
pdb.Seek(0, SeekOrigin.Begin);
assembly = _loader.LoadStream(ms, pdb);
}
else
{
assembly = _loader.LoadStream(ms, assemblySymbols: null);
}
var type = assembly.GetExportedTypes()
.First(t => t.Name.StartsWith(_classPrefix, StringComparison.Ordinal));
return(UncachedCompilationResult.Successful(type, compilationContent));
}
}
}
public void GetOrAdd_ReturnsCompilationResultFromFactory()
{
// Arrange
var cache = new CompilerCache();
var fileInfo = Mock.Of <IFileInfo>();
var type = GetType();
var expected = UncachedCompilationResult.Successful(type, "hello world");
// Act
var actual = cache.GetOrAdd(fileInfo, () => expected);
// Assert
Assert.Same(expected, actual);
Assert.Equal("hello world", actual.CompiledContent);
Assert.Same(type, actual.CompiledType);
}