public void GetExports()
{
var catalog = new AggregateCatalog();
Expression <Func <ExportDefinition, bool> > constraint = (ExportDefinition exportDefinition) => exportDefinition.ContractName == AttributedModelServices.GetContractName(typeof(MyExport));
IEnumerable <Tuple <ComposablePartDefinition, ExportDefinition> > matchingExports = null;
matchingExports = catalog.GetExports(constraint);
Assert.NotNull(matchingExports);
Assert.True(matchingExports.Count() == 0);
var testsDirectoryCatalog = new DirectoryCatalog(TemporaryFileCopier.GetTemporaryDirectory());
catalog.Catalogs.Add(testsDirectoryCatalog);
matchingExports = catalog.GetExports(constraint);
Assert.NotNull(matchingExports);
Assert.True(matchingExports.Count() >= 0);
IEnumerable <Tuple <ComposablePartDefinition, ExportDefinition> > expectedMatchingExports = catalog.Parts
.SelectMany(part => part.ExportDefinitions, (part, export) => new Tuple <ComposablePartDefinition, ExportDefinition>(part, export))
.Where(partAndExport => partAndExport.Item2.ContractName == AttributedModelServices.GetContractName(typeof(MyExport)));
Assert.True(matchingExports.SequenceEqual(expectedMatchingExports));
catalog.Catalogs.Remove(testsDirectoryCatalog);
matchingExports = catalog.GetExports(constraint);
Assert.NotNull(matchingExports);
Assert.True(matchingExports.Count() == 0);
}
GetExports(ImportDefinition definition)
{
return(_aggregateCatalog.GetExports(definition));
}
/// <inheritdoc /> public override IEnumerable <Tuple <ComposablePartDefinition, ExportDefinition> > GetExports(ImportDefinition definition) => _aggregateCatalog.GetExports(definition);
