public void Factory_export_provider_can_resolve_additional_exports_from_the_factory()
{
// Setup
var assemblyCatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var provider = new FactoryExportProvider();
var container = new CompositionContainer(assemblyCatalog, provider);
provider.SourceProvider = provider;
provider.RegisterInstance <IExternalComponent>(ep => new ExternalComponent2());
provider.Register <IExternalComponent>("ext3", ep => new ExternalComponent3(ep.GetExportedValue <IExternalComponent>()));
var externalComponent1 = container.GetExportedValue <IExternalComponent>("ext3");
Assert.That(externalComponent1, Is.Not.Null);
Assert.That(externalComponent1.GetType(), Is.EqualTo(typeof(ExternalComponent3)));
var externalComponent13 = (ExternalComponent3)externalComponent1;
Assert.That(externalComponent13.ExternalComponent, Is.Not.Null);
Assert.That(externalComponent13.ExternalComponent.GetType(), Is.EqualTo(typeof(ExternalComponent2)));
var externalComponent2 = container.GetExportedValue <IExternalComponent>("ext3");
Assert.That(externalComponent2, Is.Not.Null);
Assert.That(externalComponent2.GetType(), Is.EqualTo(typeof(ExternalComponent3)));
var externalComponent23 = (ExternalComponent3)externalComponent1;
Assert.That(externalComponent23.ExternalComponent, Is.Not.Null);
Assert.That(externalComponent23.ExternalComponent.GetType(), Is.EqualTo(typeof(ExternalComponent2)));
Assert.That(externalComponent13.ExternalComponent, Is.SameAs(externalComponent23.ExternalComponent));
}
public void Factory_export_provider_can_resolve_single_instance_given_by_registration_name_registered_using_generic_overload()
{
var count = 0;
// Setup
var assemblyCatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var provider = new FactoryExportProvider();
var container = new CompositionContainer(assemblyCatalog, provider);
provider.SourceProvider = container;
provider.RegisterInstance <IExternalComponent>("ext2", ep =>
{
count++;
return(new ExternalComponent2());
});
var externalComponent1 = container.GetExportedValue <IExternalComponent>("ext2");
Assert.That(externalComponent1, Is.Not.Null);
Assert.That(externalComponent1.GetType(), Is.EqualTo(typeof(ExternalComponent2)));
var externalComponent2 = container.GetExportedValue <IExternalComponent>("ext2");
Assert.That(externalComponent2, Is.Not.Null);
Assert.That(externalComponent2.GetType(), Is.EqualTo(typeof(ExternalComponent2)));
Assert.That(count, Is.EqualTo(1));
Assert.That(externalComponent1, Is.EqualTo(externalComponent2));
}
public void Factory_export_provider_can_resolve_single_instance()
{
var count = 0;
// Setup
var assemblyCatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var provider = new FactoryExportProvider();
var container = new CompositionContainer(assemblyCatalog, provider);
provider.RegisterInstance(typeof(IExternalComponent), ep =>
{
count++;
return(new ExternalComponent1());
});
var externalComponent1 = container.GetExportedValue <IExternalComponent>();
Assert.That(externalComponent1, Is.Not.Null);
Assert.That(externalComponent1.GetType(), Is.EqualTo(typeof(ExternalComponent1)));
var externalComponent2 = container.GetExportedValue <IExternalComponent>();
Assert.That(externalComponent2, Is.Not.Null);
Assert.That(externalComponent2.GetType(), Is.EqualTo(typeof(ExternalComponent1)));
Assert.That(count, Is.EqualTo(1));
Assert.That(externalComponent1, Is.EqualTo(externalComponent2));
}
public void Factory_export_provider_throws_exception_when_resolving_unknown_parts()
{
// Setup
var assemblyCatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var provider = new FactoryExportProvider();
var container = new CompositionContainer(assemblyCatalog, provider);
provider.SourceProvider = provider;
provider.RegisterInstance <IExternalComponent>("ext", ep => new ExternalComponent2());
Assert.That(delegate
{
container.GetExportedValue <IExternalComponent>();
}, Throws.TypeOf <ImportCardinalityMismatchException>());
var externalComponent2 = container.GetExportedValue <IExternalComponent>("ext");
Assert.That(externalComponent2, Is.Not.Null);
Assert.That(externalComponent2.GetType(), Is.EqualTo(typeof(ExternalComponent2)));
}
public void FactoryExportProviderResolvesSingleInstanceTest()
{
var count = 0;
// Setup
var assemblyCatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var provider = new FactoryExportProvider();
var container = new CompositionContainer(assemblyCatalog, provider);
provider.RegisterInstance(typeof(IExternalComponent), ep =>
{
count++;
return new ExternalComponent1();
});
var externalComponent1 = container.GetExportedValue<IExternalComponent>();
Assert.That(externalComponent1, Is.Not.Null);
Assert.That(externalComponent1.GetType(), Is.EqualTo(typeof(ExternalComponent1)));
var externalComponent2 = container.GetExportedValue<IExternalComponent>();
Assert.That(externalComponent2, Is.Not.Null);
Assert.That(externalComponent2.GetType(), Is.EqualTo(typeof(ExternalComponent1)));
Assert.That(count, Is.EqualTo(1));
Assert.That(externalComponent1, Is.EqualTo(externalComponent2));
}
public void FactoryExportProviderResolvesAdditionalExportsFromTheFactoryTest()
{
// Setup
var assemblyCatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var provider = new FactoryExportProvider();
var container = new CompositionContainer(assemblyCatalog, provider);
provider.SourceProvider = provider;
provider.RegisterInstance<IExternalComponent>(ep => new ExternalComponent2());
provider.Register<IExternalComponent>("ext3", ep => new ExternalComponent3(ep.GetExportedValue<IExternalComponent>()));
var externalComponent1 = container.GetExportedValue<IExternalComponent>("ext3");
Assert.That(externalComponent1, Is.Not.Null);
Assert.That(externalComponent1.GetType(), Is.EqualTo(typeof(ExternalComponent3)));
var externalComponent13 = (ExternalComponent3) externalComponent1;
Assert.That(externalComponent13.ExternalComponent, Is.Not.Null);
Assert.That(externalComponent13.ExternalComponent.GetType(), Is.EqualTo(typeof(ExternalComponent2)));
var externalComponent2 = container.GetExportedValue<IExternalComponent>("ext3");
Assert.That(externalComponent2, Is.Not.Null);
Assert.That(externalComponent2.GetType(), Is.EqualTo(typeof(ExternalComponent3)));
var externalComponent23 = (ExternalComponent3)externalComponent1;
Assert.That(externalComponent23.ExternalComponent, Is.Not.Null);
Assert.That(externalComponent23.ExternalComponent.GetType(), Is.EqualTo(typeof(ExternalComponent2)));
Assert.That(externalComponent13.ExternalComponent, Is.SameAs(externalComponent23.ExternalComponent));
}
public void FactoryExportProviderDoesNotResolveUnknownPartsTest()
{
// Setup
var assemblyCatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var provider = new FactoryExportProvider();
var container = new CompositionContainer(assemblyCatalog, provider);
provider.SourceProvider = provider;
provider.RegisterInstance<IExternalComponent>("ext", ep => new ExternalComponent2());
Assert.That(delegate
{
container.GetExportedValue<IExternalComponent>();
}, Throws.TypeOf<ImportCardinalityMismatchException>());
var externalComponent2 = container.GetExportedValue<IExternalComponent>("ext");
Assert.That(externalComponent2, Is.Not.Null);
Assert.That(externalComponent2.GetType(), Is.EqualTo(typeof(ExternalComponent2)));
}
public void Factory_export_provider_can_resolve_single_instance_given_by_registration_name_registered_using_generic_overload()
{
var count = 0;
// Setup
var assemblyCatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
var provider = new FactoryExportProvider();
var container = new CompositionContainer(assemblyCatalog, provider);
provider.SourceProvider = container;
provider.RegisterInstance<IExternalComponent>("ext2", ep =>
{
count++;
return new ExternalComponent2();
});
var externalComponent1 = container.GetExportedValue<IExternalComponent>("ext2");
Assert.That(externalComponent1, Is.Not.Null);
Assert.That(externalComponent1.GetType(), Is.EqualTo(typeof(ExternalComponent2)));
var externalComponent2 = container.GetExportedValue<IExternalComponent>("ext2");
Assert.That(externalComponent2, Is.Not.Null);
Assert.That(externalComponent2.GetType(), Is.EqualTo(typeof(ExternalComponent2)));
Assert.That(count, Is.EqualTo(1));
Assert.That(externalComponent1, Is.EqualTo(externalComponent2));
}
