public void WhenCompositionServiceProvidesExportProvider_ThenChainsDynamicContextWithIt()
{
var catalog = new TypeCatalog(typeof(Foo));
var container = new CompositionContainer(catalog);
var compositionService = new Mock <INuPatternCompositionService>();
compositionService.Setup(x => x.GetExportedValue <ExportProvider>()).Returns(container);
compositionService.Setup(x => x.GetExports <IFoo, IComponentMetadata>())
.Returns(new[]
{
new Lazy <IFoo, IComponentMetadata>(
() => new Foo(),
Mocks.Of <IComponentMetadata>().First(m =>
m.CatalogName == Catalog.DefaultCatalogName &&
m.Id == "Foo"))
});
var binding = new DynamicBinding <IFoo>(new DelegatingCompositionService(compositionService.Object), "Foo");
// Make sure the mocking so far is going good.
Assert.True(binding.Evaluate());
using (var context = binding.CreateDynamicContext())
{
var bar = new Bar();
context.AddExport <IBar>(bar);
var result = binding.Evaluate(context);
Assert.True(result);
Assert.NotNull(binding.Value.Bar);
}
}
public void WhenAddedExportExistsOnBase_ThenImportManyGetsBoth()
{
var catalog = new TypeCatalog(typeof(Foo), typeof(Bar));
var container = new CompositionContainer(catalog);
var compositionService = new NuPatternCompositionService(container);
var binding = new DynamicBinding <IFoo>(new DelegatingCompositionService(compositionService), "Foo");
Assert.True(binding.Evaluate());
Assert.Equal(1, binding.Value.Bars.Count());
using (var context = binding.CreateDynamicContext())
{
var bar = new Bar();
context.AddExport <IBar>(bar);
var result = binding.Evaluate(context);
Assert.True(result);
Assert.Equal(2, binding.Value.Bars.Count());
}
}
public void WhenCompositionServiceProvidesExportProvider_ThenChainsDynamicContextWithIt()
{
var catalog = new TypeCatalog(typeof(Foo));
var container = new CompositionContainer(catalog);
var compositionService = new Mock<INuPatternCompositionService>();
compositionService.Setup(x => x.GetExportedValue<ExportProvider>()).Returns(container);
compositionService.Setup(x => x.GetExports<IFoo, IComponentMetadata>())
.Returns(new[]
{
new Lazy<IFoo, IComponentMetadata>(
() => new Foo(),
Mocks.Of<IComponentMetadata>().First(m =>
m.CatalogName == Catalog.DefaultCatalogName &&
m.Id == "Foo"))
});
var binding = new DynamicBinding<IFoo>(new DelegatingCompositionService(compositionService.Object), "Foo");
// Make sure the mocking so far is going good.
Assert.True(binding.Evaluate());
using (var context = binding.CreateDynamicContext())
{
var bar = new Bar();
context.AddExport<IBar>(bar);
var result = binding.Evaluate(context);
Assert.True(result);
Assert.NotNull(binding.Value.Bar);
}
}
public void WhenAddedExportExistsOnBase_ThenOverridesIt()
{
var catalog = new TypeCatalog(typeof(Foo), typeof(Bar));
var container = new CompositionContainer(catalog);
var compositionService = new NuPatternCompositionService(container);
var binding = new DynamicBinding<IFoo>(new DelegatingCompositionService(compositionService), "Foo");
Assert.True(binding.Evaluate());
Assert.NotNull(binding.Value.Bar);
using (var context = binding.CreateDynamicContext())
{
var bar = new Bar();
context.AddExport<IBar>(bar);
var result = binding.Evaluate(context);
Assert.True(result);
Assert.NotNull(binding.Value.Bar);
Assert.Same(bar, binding.Value.Bar);
}
}