public void TestSetUp()
{
var mockInterceptor = new Mock <IExportedValueInterceptor>();
interceptedPartDefinition = AttributedModelServices.CreatePartDefinition(typeof(OrderProcessor), null);
interceptingPartDefinition = new InterceptingComposablePartDefinition(interceptedPartDefinition, mockInterceptor.Object);
}
public NonFilteringTypeCatalog(params Type[] types)
{
this._definitions = new List <ComposablePartDefinition>();
foreach (Type type in types)
{
this._definitions.Add(AttributedModelServices.CreatePartDefinition(type, null));
}
}
public void CreatePartDefinition2_NullAsType_ShouldThrowArgumentNull()
{
var origin = ElementFactory.Create();
Assert.Throws <ArgumentNullException>("type", () =>
{
AttributedModelServices.CreatePartDefinition((Type)null, origin, false);
});
}
public void When_calling_create_part_it_should_create_a_disposable_intercepting_part()
{
var mockInterceptor = new Mock <IExportedValueInterceptor>();
interceptedPartDefinition = AttributedModelServices.CreatePartDefinition(typeof(DisposablePart), null);
interceptingPartDefinition = new InterceptingComposablePartDefinition(interceptedPartDefinition, mockInterceptor.Object);
var part = interceptingPartDefinition.CreatePart();
part.ShouldBeOfType <DisposableInterceptingComposablePart>();
}
public void CreatePartDefinition2_TypeMarkedWithPartNotDiscoverableAttribute_ShouldTraceInformation()
{
var types = GetTypesMarkedWithPartNotDiscoverableAttribute();
foreach (Type type in types)
{
using (TraceContext context = new TraceContext(SourceLevels.Information))
{
AttributedModelServices.CreatePartDefinition(type, null, true);
Assert.IsNotNull(context.LastTraceEvent);
Assert.AreEqual(context.LastTraceEvent.EventType, TraceEventType.Information);
Assert.AreEqual(context.LastTraceEvent.Id, TraceId.Discovery_DefinitionMarkedWithPartNotDiscoverableAttribute);
}
}
}
public void CreatePartDefinition2_TypeWithNoExports_ShouldTraceInformation()
{
var types = GetTypesWithNoExports();
foreach (Type type in types)
{
using (TraceContext context = new TraceContext(SourceLevels.Information))
{
var result = AttributedModelServices.CreatePartDefinition(type, null, true);
Assert.IsNotNull(context.LastTraceEvent);
Assert.AreEqual(context.LastTraceEvent.EventType, TraceEventType.Information);
Assert.AreEqual(context.LastTraceEvent.Id, TraceId.Discovery_DefinitionContainsNoExports);
}
}
}
public void CreatePartDefinition2_OpenGenericType_ShouldTraceInformation()
{
var types = GetOpenGenericTypesWithMismatchedArity();
foreach (Type type in types)
{
using (TraceContext context = new TraceContext(SourceLevels.Information))
{
AttributedModelServices.CreatePartDefinition(type, null, true);
Assert.IsNotNull(context.LastTraceEvent);
Assert.AreEqual(context.LastTraceEvent.EventType, TraceEventType.Information);
Assert.AreEqual(context.LastTraceEvent.Id, TraceId.Discovery_DefinitionMismatchedExportArity);
}
}
}
private void ComposeDecoration()
{
if (myParts.Any())
{
return;
}
var contracts = new List <string>();
foreach (var type in myDecoratorChain)
{
var originalPart = AttributedModelServices.CreatePartDefinition(type, null);
var importDefs = originalPart.ImportDefinitions.ToList();
if (type != myDecoratorChain.First())
{
RewriteContract(type, importDefs, contracts.Last());
}
var exportDefs = originalPart.ExportDefinitions.ToList();
if (type != myDecoratorChain.Last())
{
contracts.Add(Guid.NewGuid().ToString());
RewriteContract(type, exportDefs, type, contracts.Last());
}
// as we pass it to lazy below we have to copy it to local variable - otherwise we create a closure with the loop iterator variable
// and this will cause the actual part type to be changed
var partType = type;
var part = ReflectionModelServices.CreatePartDefinition(
new Lazy <Type>(() => partType),
ReflectionModelServices.IsDisposalRequired(originalPart),
new Lazy <IEnumerable <ImportDefinition> >(() => importDefs),
new Lazy <IEnumerable <ExportDefinition> >(() => exportDefs),
new Lazy <IDictionary <string, object> >(() => new Dictionary <string, object>()),
null);
myParts.Add(part);
}
// no add possible any longer
myDecoratorChain = null;
}
private ComposablePartDefinition GetPartForType(Type type)
{
ComposablePartDefinition ret;
if (_typeToPart.TryGetValue(type, out ret))
{
return(ret);
}
ret = AttributedModelServices.CreatePartDefinition(type, new TypeCompositionElement(type), false);
if (!ret.ExportDefinitions.Any() && !ret.ImportDefinitions.Any())
{
ret = null;
}
_typeToPart[type] = ret;
return(ret);
}
/// <summary>
/// Register a MEF-attributed type as a component.
/// </summary>
/// <param name="builder">The container builder.</param>
/// <param name="partType">The attributed type to register.</param>
/// <param name="exposedServicesMapper">A mapping function to transform ExportDefinitions into Services.</param>
public static void RegisterComposablePartType(this ContainerBuilder builder, Type partType, Func <ExportDefinition, IEnumerable <Service> > exposedServicesMapper)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (partType == null)
{
throw new ArgumentNullException(nameof(partType));
}
if (exposedServicesMapper == null)
{
throw new ArgumentNullException(nameof(exposedServicesMapper));
}
RegisterComposablePartDefinition(
builder,
AttributedModelServices.CreatePartDefinition(partType, null, true),
exposedServicesMapper);
}
public void CreatePartDefinition_NotEnsureIsDiscoverable()
{
var expectations = new ExpectationCollection <Type, bool>();
expectations.Add(typeof(ClassWithTwoZeroParameterConstructors), true);
expectations.Add(typeof(SimpleConstructorInjectedObject), true);
expectations.Add(typeof(StaticExportClass), true);
expectations.Add(typeof(PublicComponentWithPublicExports), true);
expectations.Add(typeof(ClassWithMultipleMarkedConstructors), true);
expectations.Add(typeof(ClassWithNoMarkedOrDefaultConstructor), true);
expectations.Add(typeof(ClassWhichOnlyHasDefaultConstructor), false);
expectations.Add(typeof(ClassWithOnlyHasImportingConstructorButInherits), true);
expectations.Add(typeof(ClassWithOnlyHasMultipleImportingConstructorButInherits), true);
foreach (var e in expectations)
{
var definition = AttributedModelServices.CreatePartDefinition(e.Input, null, false);
Assert.NotNull(definition);
}
}
private static ComposablePartDefinition CreatePartDefinition(IEnumerable <ImportDefinition> ctorImports, ExportDefinition contractExport, Type type)
{
var originalPartDefinition = AttributedModelServices.CreatePartDefinition(type, null);
if (originalPartDefinition == null)
{
throw new InvalidOperationException();
}
var imports = originalPartDefinition.ImportDefinitions
.Where(idef => !ReflectionModelServices.IsImportingParameter(idef))
.Concat(ctorImports)
.ToList();
var exports = originalPartDefinition.ExportDefinitions.ToList();
exports.Add(contractExport);
var metadata = originalPartDefinition.Metadata;
return(CreatePartDefinition(type, imports, exports, metadata));
}
private List <ComposablePartDefinition> GetParts()
{
var parts = new List <ComposablePartDefinition>();
var types = SelectTypes();
foreach (var type in types)
{
try
{
var definition = AttributedModelServices.CreatePartDefinition(type, null, false);
if (definition != null)
{
parts.Add(definition);
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
return(parts);
}
public void ImportDefinitions_TypeWithMemberMarkedWithMultipleImports_ShouldTraceError()
{
var types = new Type[] { typeof(ClassWithMultipleParameterImports),
typeof(ClassWithMultipleFieldImports),
typeof(ClassWithMultiplePropertyImports),
typeof(ClassWithMultipleCustomPropertyImports),
typeof(ClassWithMultipleCustomPropertyImportManys),
typeof(ClassWithMultipleCustomPropertyImportAndImportManys) };
foreach (Type type in types)
{
using (TraceContext context = new TraceContext(SourceLevels.Error))
{
var definition = AttributedModelServices.CreatePartDefinition(type, null, true);
definition.ImportDefinitions.Count();
Assert.IsNotNull(context.LastTraceEvent);
Assert.AreEqual(context.LastTraceEvent.EventType, TraceEventType.Error);
Assert.AreEqual(context.LastTraceEvent.Id, TraceId.Discovery_MemberMarkedWithMultipleImportAndImportMany);
}
}
}
public void MixedDuplicateExports_ShouldOnlyCollapseInheritedExport()
{
var def = AttributedModelServices.CreatePartDefinition(typeof(DuplicateMixedExporter1), null);
Assert.AreEqual(2, def.ExportDefinitions.Count(), "Should have 1 from the Export and only 1 collapsed InhertedExport");
}
private ComposablePartDefinition CreatePartDefinition(Type type)
{
ComposablePartDefinition partDefinition = AttributedModelServices.CreatePartDefinition(type, null);
return(this.CreateWrapped(partDefinition, type));
}
private static string[] GetDisplayNames(IEnumerable <Type> types)
{
return(GetDisplayNames(types.Select(t => AttributedModelServices.CreatePartDefinition(t, null))));
}
public void MixedDuplicateExports_ShouldOnlyCollapseInheritedExport()
{
var def = AttributedModelServices.CreatePartDefinition(typeof(DuplicateMixedExporter1), null);
Assert.Equal(2, def.ExportDefinitions.Count());
}
public MefSubstituteBuilder AddValueFactory <T1, T2, T3, T4, TValue>(string contractName, Func <T1, T2, T3, T4, TValue> valueFactory)
{
return(AddValueFactory(contractName, AttributedModelServices.CreatePartDefinition(typeof(ImportStub <T1, T2, T3, T4>), null), typeof(TValue), valueFactory));
}