public void Setup()
{
ccu = new CodeCompileUnit();
mocks = new MockRepository();
engine = Engine.GlobalEngine;
engine.BinPath = @"C:\Program Files (x86)\MSBuild";
project = new Project();
buildEngine = mocks.DynamicMock<MockBuildEngine>(project);
logger = new NullLogger();
parserService = mocks.DynamicMock<ISiteTreeGeneratorService>();
naming = mocks.DynamicMock<INamingService>();
sourceStorage = mocks.DynamicMock<IParsedSourceStorageService>();
source = mocks.DynamicMock<ISourceGenerator>();
typeResolver = mocks.DynamicMock<ITypeResolver>();
treeService = mocks.DynamicMock<ITreeCreationService>();
viewSourceMapper = mocks.DynamicMock<IViewSourceMapper>();
generator = mocks.DynamicMock<IGenerator>();
task = new GenerateMonoRailSiteTreeTask(logger, parserService, naming, source, sourceStorage, typeResolver,
treeService, viewSourceMapper, generator);
item = mocks.DynamicMock<ITaskItem>();
parsedSource = mocks.DynamicMock<IParser>();
}
public virtual void Setup()
{
naming = new DefaultNamingService();
source = new DefaultSourceGenerator();
logging = new NullLogger();
generator = new RouteMapGenerator(logging, source, naming, "TargetNamespace", typeof (IServiceProvider).FullName);
}
public virtual void Setup()
{
mocks = new MockRepository();
naming = new DefaultNamingService();
source = new DefaultSourceGenerator();
logging = new NullLogger();
generator = new ActionMapGenerator(logging, source, naming, "TargetNamespace", typeof (IServiceProvider).FullName);
}
public virtual void Setup()
{
_mocks = new MockRepository();
_naming = new DefaultNamingService();
_source = new DefaultSourceGenerator();
_logging = new NullLogger();
_generator = new ControllerMapGenerator(_logging, _source, _naming, "TargetNamespace", typeof(IServiceProvider).FullName);
}
public virtual void Setup()
{
naming = new DefaultNamingService();
source = new DefaultSourceGenerator(); // I found a more integration style of testing was better, I started off
// mocking calls to ISourceGenerator, and that was just stupid, we want the classes and types and members.
// and the assertions here ensure that.
logging = new NullLogger();
generator = new ActionMapGenerator(logging, source, naming, "TargetNamespace", typeof (IServiceProvider).FullName);
}
public AbstractGenerator(ILogger logger, ISourceGenerator source, INamingService naming, string targetNamespace, string serviceType)
{
_logger = logger;
_source = source;
_naming = naming;
_namespace = targetNamespace;
_serviceType = serviceType;
_serviceIdentifier = "services";
}
public Generator(string nameSpace, string outputFile, string serviceTypeName, ILogger logger, INamingService namingService, ISourceGenerator sourceGenerator, ITreeCreationService treeCreationService)
{
this.nameSpace = nameSpace;
this.outputFile = outputFile;
this.serviceTypeName = serviceTypeName;
this.logger = logger;
this.namingService = namingService;
this.sourceGenerator = sourceGenerator;
this.treeCreationService = treeCreationService;
}
public virtual void Setup()
{
_mocks = new MockRepository();
_naming = new DefaultNamingService();
_source = new DefaultSourceGenerator(); // I found a more integration style of testing was better, I started off
// mocking calls to ISourceGenerator, and that was just stupid, we want the classes and types and members.
// and the assertions here ensure that.
_logging = new NullLogger();
_generator =
new ControllerPartialsGenerator(_logging, _source, _naming, "TargetNamespace", typeof (IServiceProvider).FullName);
}
public GenerateMonoRailSiteTreeTask()
{
logger = new MsBuildLogger(Log);
naming = new DefaultNamingService();
treeService = new DefaultTreeCreationService();
source = new DefaultSourceGenerator();
viewSourceMapper = new ViewSourceMapper(logger, treeService);
sourceStorage = new DefaultSourceStorageService();
typeResolver = new TypeResolver();
service = new SiteTreeGeneratorService(logger, typeResolver, sourceStorage, new NRefactoryParserFactory());
ServiceTypeName = typeof(ICodeGeneratorServices).FullName;
ViewComponentSources = new ITaskItem[0];
AssemblyReferences = new ITaskItem[0];
}
public GenerateMonoRailSiteTreeTask(ILogger logger, ISiteTreeGeneratorService service, INamingService naming,
ISourceGenerator source, IParsedSourceStorageService sourceStorage,
ITypeResolver typeResolver, ITreeCreationService treeService,
IViewSourceMapper viewSourceMapper, IGenerator generator)
{
this.service = service;
this.logger = logger;
this.naming = naming;
this.source = source;
this.sourceStorage = sourceStorage;
this.typeResolver = typeResolver;
this.treeService = treeService;
this.viewSourceMapper = viewSourceMapper;
generators.Add(generator);
ServiceTypeName = typeof(ICodeGeneratorServices).FullName;
ViewComponentSources = new ITaskItem[0];
AssemblyReferences = new ITaskItem[0];
}
/// <summary>
/// Initializes a new instance of the <see cref="GeneratorTest"/> class.
/// </summary>
protected GeneratorTest()
{
Generator = CreateGenerator();
}
public GenerateMonoRailSiteTreeTask(ILogger logger, ISiteTreeGeneratorService service, INamingService naming, ISourceGenerator source, IParsedSourceStorageService sourceStorage, ITypeResolver typeResolver, ITreeCreationService treeService, IViewSourceMapper viewSourceMapper, IGenerator generator)
{
_service = service;
_logger = logger;
_naming = naming;
_source = source;
_sourceStorage = sourceStorage;
_typeResolver = typeResolver;
_treeService = treeService;
_viewSourceMapper = viewSourceMapper;
_generators.Add(generator);
this.ServiceTypeName = typeof(ICodeGeneratorServices).FullName;
}
public StaticRouteCreator(string @namespace, ISourceGenerator sourceGenerator, INamingService namingService, StaticRouteTreeNode node, CodeTypeDeclaration routeDefinitions, CodeTypeDeclaration routes) : base(@namespace, sourceGenerator, namingService, node, routeDefinitions, routes)
{
}
public TestGeneratorReference(ISourceGenerator generator)
{
_generator = generator;
}
public Generator(string nameSpace, string outputFile, string serviceTypeName, ILogger logger, INamingService namingService, ISourceGenerator sourceGenerator, ITreeCreationService treeCreationService)
{
this.nameSpace = nameSpace;
this.outputFile = outputFile;
this.serviceTypeName = serviceTypeName;
this.logger = logger;
this.namingService = namingService;
this.sourceGenerator = sourceGenerator;
this.treeCreationService = treeCreationService;
}
public override GeneratorDriver CreateGeneratorDriver(ISourceGenerator generator) => CSharpGeneratorDriver.Create(generator);
public static RunTimer CreateSingleGeneratorRunTimer(this CodeAnalysisEventSource eventSource, ISourceGenerator generator)
{
if (eventSource.IsEnabled(EventLevel.Informational, Keywords.Performance))
{
var id = Guid.NewGuid().ToString();
var type = generator.GetGeneratorType();
eventSource.StartSingleGeneratorRunTime(type.FullName !, type.Assembly.Location, id);
return(new RunTimer(t => eventSource.StopSingleGeneratorRunTime(type.FullName !, type.Assembly.Location, t.Ticks, id)));
}
else
{
return(new RunTimer());
}
}
// Generation
public static async Task <GeneratorRunResult> GenerateAsync(ISourceGenerator generator, Compilation compilation, CancellationToken cancellationToken)
{
var driver = GetGeneratorDriver(generator, null, null, null);
return(driver.RunGenerators(compilation, cancellationToken).GetRunResult().Results.Single());
}
private static GeneratorState SetGeneratorException(CommonMessageProvider provider, GeneratorState generatorState, ISourceGenerator generator, Exception e, DiagnosticBag?diagnosticBag, bool isInit = false)
{
var message = isInit ? provider.WRN_GeneratorFailedDuringInitialization : provider.WRN_GeneratorFailedDuringGeneration;
var diagnostic = Diagnostic.Create(provider, message, generator.GetType().Name);
diagnosticBag?.Add(diagnostic);
return(new GeneratorState(generatorState.Info, e, diagnostic));
}
public abstract GeneratorDriver CreateGeneratorDriver(ISourceGenerator generator);
public static SourceGeneratedDocumentState Create(
string hintName,
SourceText generatedSourceText,
SyntaxTree generatedSyntaxTree,
DocumentId documentId,
ISourceGenerator sourceGenerator,
HostLanguageServices languageServices,
SolutionServices solutionServices,
CancellationToken cancellationToken
)
{
var options = generatedSyntaxTree.Options;
var filePath = generatedSyntaxTree.FilePath;
var textAndVersion = TextAndVersion.Create(generatedSourceText, VersionStamp.Create());
ValueSource <TextAndVersion> textSource = new ConstantValueSource <TextAndVersion>(
textAndVersion
);
var root = generatedSyntaxTree.GetRoot(cancellationToken);
Contract.ThrowIfNull(
languageServices.SyntaxTreeFactory,
"We should not have a generated syntax tree for a language that doesn't support trees."
);
if (languageServices.SyntaxTreeFactory.CanCreateRecoverableTree(root))
{
// We will only create recoverable text if we can create a recoverable tree; if we created a
// recoverable text but not a new tree, it would mean tree.GetText() could still potentially return
// the non-recoverable text, but asking the document directly for it's text would give a recoverable
// text with a different object identity.
textSource = CreateRecoverableText(textAndVersion, solutionServices);
generatedSyntaxTree = languageServices.SyntaxTreeFactory.CreateRecoverableTree(
documentId.ProjectId,
filePath: generatedSyntaxTree.FilePath,
options,
textSource,
generatedSourceText.Encoding,
root
);
}
var treeAndVersion = TreeAndVersion.Create(generatedSyntaxTree, textAndVersion.Version);
return(new SourceGeneratedDocumentState(
languageServices,
solutionServices,
documentServiceProvider: null,
new DocumentInfo.DocumentAttributes(
documentId,
name: hintName,
folders: SpecializedCollections.EmptyReadOnlyList <string>(),
options.Kind,
filePath: filePath,
isGenerated: true,
designTimeOnly: false
),
options,
sourceText: null, // don't strongly hold the text
textSource,
treeAndVersion,
sourceGenerator,
hintName
));
}
public SourceGeneratorAdaptor(ISourceGenerator generator)
{
SourceGenerator = generator;
}
public RestRouteCreator(string @namespace, ISourceGenerator sourceGenerator, INamingService namingService, RestRouteTreeNode node, CodeTypeDeclaration routeDefinitions, CodeTypeDeclaration routes) : base(@namespace, sourceGenerator, namingService, node, routeDefinitions, routes)
{
OptionalRouteParameters.Add(FormatKey, new StringRouteParameterType());
}
public PatternRouteCreator(string @namespace, ISourceGenerator sourceGenerator, INamingService namingService, PatternRouteTreeNode node, CodeTypeDeclaration routeDefinitions, CodeTypeDeclaration routes) : base(@namespace, sourceGenerator, namingService, node, routeDefinitions, routes)
{
requiredRouteParameters = new RequiredRouteParameters().GetFrom(node.Pattern);
optionalRouteParameters = new OptionalRouteParameters().GetFrom(node.Pattern);
routeParameterDefaults = new RouteParameterDefaults().GetFrom(node.Defaults);
}
public static SourceGeneratedDocumentIdentity Generate(ProjectId projectId, string hintName, ISourceGenerator generator, string filePath)
{
// We want the DocumentId generated for a generated output to be stable between Compilations; this is so features that track
// a document by DocumentId can find it after some change has happened that requires generators to run again.
// To achieve this we'll just do a crytographic hash of the generator name and hint name; the choice of a cryptographic hash
// as opposed to a more generic string hash is we actually want to ensure we don't have collisions.
var generatorAssemblyName = GetGeneratorAssemblyName(generator);
var generatorTypeName = GetGeneratorTypeName(generator);
// Combine the strings together; we'll use Encoding.Unicode since that'll match the underlying format; this can be made much
// faster once we're on .NET Core since we could directly treat the strings as ReadOnlySpan<char>.
var projectIdBytes = projectId.Id.ToByteArray();
using var _ = ArrayBuilder <byte> .GetInstance(capacity : (generatorAssemblyName.Length + 1 + generatorTypeName.Length + 1 + hintName.Length) * 2 + projectIdBytes.Length, out var hashInput);
hashInput.AddRange(projectIdBytes);
// Add a null to separate the generator name and hint name; since this is effectively a joining of UTF-16 bytes
// we'll use a UTF-16 null just to make sure there's absolutely no risk of collision.
hashInput.AddRange(Encoding.Unicode.GetBytes(generatorAssemblyName));
hashInput.AddRange(0, 0);
hashInput.AddRange(Encoding.Unicode.GetBytes(generatorTypeName));
hashInput.AddRange(0, 0);
hashInput.AddRange(Encoding.Unicode.GetBytes(hintName));
// The particular choice of crypto algorithm here is arbitrary and can be always changed as necessary. The only requirement
// is it must be collision resistant, and provide enough bits to fill a GUID.
using var crytpoAlgorithm = System.Security.Cryptography.SHA256.Create();
var hash = crytpoAlgorithm.ComputeHash(hashInput.ToArray());
Array.Resize(ref hash, 16);
var guid = new Guid(hash);
var documentId = DocumentId.CreateFromSerialized(projectId, guid, hintName);
return(new SourceGeneratedDocumentIdentity(documentId, hintName, generatorAssemblyName, generatorTypeName, filePath));
}
protected static Assembly?RunGeneratorAndGenerateAssembly(
ISourceGenerator generator,
string source,
out ImmutableArray <Diagnostic> diagnostics,
CSharpParseOptions?parseOptions = null,
AnalyzerConfigOptions?configOptions = null,
IEnumerable <MetadataReference>?additionalReferences = null,
CSharpCompilationOptions?compilationOptions = null,
EmitOptions?emitOptions = null,
bool printDiagnostics = true,
bool makeTestFailIfError = true)
{
if (generator is null)
{
throw new ArgumentNullException(nameof(generator));
}
if (source is null)
{
throw new ArgumentNullException(nameof(source));
}
parseOptions ??= CSharpParseOptions.Default
.WithLanguageVersion(LanguageVersion.CSharp9);
configOptions ??= TestAnalyzerConfigOptions.Empty;
compilationOptions ??= new CSharpCompilationOptions(
OutputKind.DynamicallyLinkedLibrary,
nullableContextOptions: NullableContextOptions.Enable);
emitOptions ??= new EmitOptions(
debugInformationFormat: DebugInformationFormat.PortablePdb);
var optionsProvider = new TestAnalyzerConfigOptionsProvider(configOptions);
var driver = CSharpGeneratorDriver.Create(
new[] { generator },
parseOptions: parseOptions,
optionsProvider: optionsProvider);
string assemblyName = Guid.NewGuid().ToString("D");
var syntaxTree = CSharpSyntaxTree.ParseText(
source,
parseOptions,
"Main.cs",
Encoding.UTF8);
var references = new List <MetadataReference> {
MetadataReference.CreateFromFile(typeof(object).Assembly.Location),
MetadataReference.CreateFromFile(typeof(ITestHooks).Assembly.Location)
};
if (additionalReferences is not null)
{
references.AddRange(additionalReferences);
}
var compilation = CSharpCompilation.Create(
assemblyName,
new[] { syntaxTree },
references,
compilationOptions);
var driver2 = driver.RunGeneratorsAndUpdateCompilation(
compilation,
out var outputCompilation,
out _);
var runResult = driver2.GetRunResult();
var exceptions = runResult.Results
.Select(x => x.Exception)
.Where(x => x is not null)
.Select(x => x !)
.ToArray();
var exception = exceptions.Length switch {
0 => null,
1 => exceptions[0],
> 1 => new AggregateException(exceptions)
};
if (exception is not null)
{
ExceptionDispatchInfo.Capture(exception).Throw();
}
var embeddedTexts = outputCompilation.SyntaxTrees
.Select(x => EmbeddedText.FromSource(x.FilePath, x.GetText())).ToArray();
using var peStream = new MemoryStream();
using var pdbStream = new MemoryStream();
var emitResult = outputCompilation.Emit(
peStream,
pdbStream,
options: emitOptions,
embeddedTexts: embeddedTexts);
diagnostics = emitResult.Diagnostics;
if (printDiagnostics)
{
foreach (var d in diagnostics
.OrderByDescending(x => x.Severity))
{
TestContext.WriteLine(d.ToString());
}
}
if (!emitResult.Success)
{
if (makeTestFailIfError)
{
Assert.Fail();
}
return(null);
}
if (makeTestFailIfError)
{
if (diagnostics.Any(d => d.Severity == DiagnosticSeverity.Error))
{
Assert.Fail();
return(null);
}
}
peStream.Seek(0, SeekOrigin.Begin);
pdbStream.Seek(0, SeekOrigin.Begin);
var assembly =
AssemblyLoadContext.Default.LoadFromStream(
peStream, pdbStream);
return(assembly);
}
private static string GetGeneratedCode(ISourceGenerator generators, Compilation outputCompilation)
{
return(outputCompilation.SyntaxTrees.FirstOrDefault(file => file.FilePath.IndexOf(generators.GetType().Name) > -1)?.ToString());
}
public ControllerPartialsGenerator(ILogger logger, ISourceGenerator source, INamingService naming,
string targetNamespace, string serviceType)
: base(logger, source, naming, targetNamespace, serviceType)
{
}
public void Setup()
{
_ccu = new CodeCompileUnit();
_mocks = new MockRepository();
_engine = Engine.GlobalEngine;
_engine.BinPath = @"C:\Program Files (x86)\MSBuild";
_project = new Project();
_buildEngine = _mocks.DynamicMock<MockBuildEngine>(_project);
_logger = new NullLogger();
_parserService = _mocks.DynamicMock<ISiteTreeGeneratorService>();
_naming = _mocks.DynamicMock<INamingService>();
_sourceStorage = _mocks.DynamicMock<IParsedSourceStorageService>();
_source = _mocks.DynamicMock<ISourceGenerator>();
_typeResolver = _mocks.DynamicMock<ITypeResolver>();
_treeService = _mocks.DynamicMock<ITreeCreationService>();
_viewSourceMapper = _mocks.DynamicMock<IViewSourceMapper>();
_generator = _mocks.DynamicMock<IGenerator>();
_task = new GenerateMonoRailSiteTreeTask(_logger, _parserService, _naming, _source, _sourceStorage, _typeResolver, _treeService, _viewSourceMapper, _generator);
_item = _mocks.DynamicMock<ITaskItem>();
_parsedSource = _mocks.DynamicMock<IParser>();
}
private ImmutableDictionary <GeneratedSourceText, SyntaxTree> ParseAdditionalSources(ISourceGenerator generator, ImmutableArray <GeneratedSourceText> generatedSources, CancellationToken cancellationToken)
{
var trees = PooledDictionary <GeneratedSourceText, SyntaxTree> .GetInstance();
var type = generator.GetType();
var prefix = $"{type.Module.ModuleVersionId}_{type.FullName}";
foreach (var source in generatedSources)
{
trees.Add(source, ParseGeneratedSourceText(source, $"{prefix}_{source.HintName}", cancellationToken));
}
return(trees.ToImmutableDictionaryAndFree());
}
public GenerateMonoRailSiteTreeTask(ILogger logger, ISiteTreeGeneratorService service, INamingService naming, ISourceGenerator source, IParsedSourceStorageService sourceStorage, ITypeResolver typeResolver, ITreeCreationService treeService, IViewSourceMapper viewSourceMapper, IGenerator generator)
{
_service = service;
_logger = logger;
_naming = naming;
_source = source;
_sourceStorage = sourceStorage;
_typeResolver = typeResolver;
_treeService = treeService;
_viewSourceMapper = viewSourceMapper;
_generators.Add(generator);
this.ServiceTypeName = typeof(ICodeGeneratorServices).FullName;
}
public static string GetGeneratorTypeName(ISourceGenerator generator)
{
return(generator.GetType().FullName !);
}
public RouteMapGenerator(ILogger logger, ISourceGenerator source, INamingService naming, string targetNamespace,
string serviceType) : base(logger, source, naming, targetNamespace, serviceType)
{
}
public GenerateMonoRailSiteTreeTask()
{
_logger = new MsBuildLogger(this.Log);
_naming = new DefaultNamingService();
_treeService = new DefaultTreeCreationService();
_source = new DefaultSourceGenerator();
_viewSourceMapper = new ViewSourceMapper(_logger, _treeService, _naming);
_sourceStorage = new DefaultSourceStorageService();
_typeResolver = new TypeResolver();
_service = new SiteTreeGeneratorService(_logger, _typeResolver, _sourceStorage, new NRefactoryParserFactory());
this.ServiceTypeName = typeof(ICodeGeneratorServices).FullName;
}
public SourceGeneratorAdaptor(ISourceGenerator generator, string sourceExtension)
{
SourceGenerator = generator;
_sourceExtension = sourceExtension;
}
public override GeneratorDriver CreateGeneratorDriver(ISourceGenerator generator) => VisualBasicGeneratorDriver.Create(ImmutableArray.Create(generator));
public ControllerMapGenerator(ILogger logger, ISourceGenerator source, INamingService naming, string targetNamespace,
string serviceType)
: base(logger, source, naming, targetNamespace, serviceType)
{
}
internal static string GetFilePathPrefixForGenerator(ISourceGenerator generator)
{
var type = generator.GetType();
return(Path.Combine(type.Assembly.GetName().Name ?? string.Empty, type.FullName !));
}
/// <summary>
/// Returns a <see cref="SingletonGeneratorTestResult"/> created by performing a test on the target <paramref name="sourceGenerator"/>.
/// </summary>
/// <param name="input">Input for the generator.</param>
/// <param name="sourceGenerator"><see cref="ISourceGenerator"/> to perform the test on.</param>
public static SingletonGeneratorTestResult RunGenerator(string?input, ISourceGenerator sourceGenerator)
{
if (sourceGenerator is null)
{
return(default);
internal GeneratorTimingInfo(ISourceGenerator generator, TimeSpan elapsedTime)
{
Generator = generator;
ElapsedTime = elapsedTime;
}
private static GeneratorState SetGeneratorException(CommonMessageProvider provider, GeneratorState generatorState, ISourceGenerator generator, Exception e, DiagnosticBag?diagnosticBag, bool isInit = false)
{
var errorCode = isInit ? provider.WRN_GeneratorFailedDuringInitialization : provider.WRN_GeneratorFailedDuringGeneration;
// ISSUE: Diagnostics don't currently allow descriptions with arguments, so we have to manually create the diagnostic description
// ISSUE: Exceptions also don't support IFormattable, so will always be in the current UI Culture.
// ISSUE: See https://github.com/dotnet/roslyn/issues/46939
var description = string.Format(provider.GetDescription(errorCode).ToString(CultureInfo.CurrentUICulture), e);
var descriptor = new DiagnosticDescriptor(
provider.GetIdForErrorCode(errorCode),
provider.GetTitle(errorCode),
provider.GetMessageFormat(errorCode),
description: description,
category: "Compiler",
defaultSeverity: DiagnosticSeverity.Warning,
isEnabledByDefault: true,
customTags: WellKnownDiagnosticTags.AnalyzerException);
var diagnostic = Diagnostic.Create(descriptor, Location.None, generator.GetType().Name, e.GetType().Name, e.Message);
diagnosticBag?.Add(diagnostic);
return(new GeneratorState(generatorState.Info, e, diagnostic));
}
public static string GetGeneratorAssemblyName(ISourceGenerator generator)
{
return(generator.GetGeneratorType().Assembly.FullName !);
}
