public void GetInstance_ICollection_InterceptsThatCollection()
{
// Arrange
var expectedInterceptedTypes = new[]
{
typeof(IEnumerable <ITimeProvider>),
typeof(ICollection <ITimeProvider>)
};
var container = new Container();
container.Options.EnableAutoVerification = false;
var contexts = new List <InitializationContext>();
container.Options.RegisterResolveInterceptor((c, p) =>
{
contexts.Add(c);
var i = p();
return(i);
},
c => true);
container.Collection.Append <ITimeProvider, RealTimeProvider>();
// Act
container.GetInstance <ICollection <ITimeProvider> >();
// Assert
var actualInterceptedTypes =
from context in contexts
select context.Registration.ImplementationType;
AssertThat.SequenceEquals(expectedInterceptedTypes, actualInterceptedTypes);
}
public void GetAllInstances_AppendingInstancesOfOpenGenericImplementations_ResolvesTheExpectedCollection()
{
// Arrange
Type[] expectedHandlerTypes = new[]
{
typeof(NewConstraintEventHandler <StructEvent>),
typeof(StructConstraintEventHandler <StructEvent>),
};
var container = ContainerFactory.New();
container.Collection.Register(typeof(IEventHandler <>), new[] { typeof(NewConstraintEventHandler <>) });
container.Collection
.AppendInstance(typeof(IEventHandler <>), new StructConstraintEventHandler <StructEvent>());
// AuditableEventEventHandler<AuditableEvent> can be registered, and resolved, but should not
// be resolved as part of IEnumerable<IEventHandler<StructEvent>>.
container.Collection
.AppendInstance(typeof(IEventHandler <>), new AuditableEventEventHandler <AuditableEvent>());
// Act
var handlers = container.GetAllInstances(typeof(IEventHandler <StructEvent>));
Type[] actualHandlerTypes = handlers.Select(h => h.GetType()).ToArray();
// Assert
AssertThat.SequenceEquals(expectedHandlerTypes, actualHandlerTypes);
}
public void GetAllInstances_MultipleAppendedOpenGenericTypesMixedWithClosedGenericRegisterCollection_ResolvesTheExpectedCollection()
{
// Arrange
Type[] expectedHandlerTypes = new[]
{
typeof(NewConstraintEventHandler <StructEvent>),
typeof(AuditableEventEventHandler <StructEvent>),
typeof(StructConstraintEventHandler <StructEvent>),
};
var container = ContainerFactory.New();
container.Collection.Append(typeof(IEventHandler <>), typeof(NewConstraintEventHandler <>));
container.Collection.Register(typeof(IEventHandler <StructEvent>), new[]
{
typeof(AuditableEventEventHandler <StructEvent>)
});
container.Collection.Append(typeof(IEventHandler <>), typeof(StructConstraintEventHandler <>));
// Act
Type[] actualHandlerTypes = container.GetAllInstances(typeof(IEventHandler <StructEvent>))
.Select(h => h.GetType()).ToArray();
// Assert
AssertThat.SequenceEquals(expectedHandlerTypes, actualHandlerTypes);
}
private static void _(Type type, Type genericTypeDefinition, params Type[] expected)
{
Type[] actual = type.GetClosedTypesOf(genericTypeDefinition);
AssertThat.SequenceEquals(
expectedTypes: expected.OrderBy(HashCode),
actualTypes: actual.OrderBy(HashCode));
}
public void Create_WhenReturnedCollectionIterated_ProducesTheExpectedInstances()
{
// Arrange
var expectedTypes = new[] { typeof(NullLogger), typeof(ConsoleLogger) };
var container = new Container();
// Act
var stream = container.Collection.Create <ILogger>(expectedTypes);
// Assert
AssertThat.SequenceEquals(expectedTypes, actualTypes: stream.Select(GetType));
}
public void Create_CollectionWithAbstraction_CallsBackIntoContainerUponIterationToGetTheDefaultRegistration()
{
// Arrange
var container = new Container();
container.Register <ILogger, ConsoleLogger>();
// Act
var stream = container.Collection.Create <ILogger>(typeof(ILogger));
// Assert
AssertThat.SequenceEquals(
expectedTypes: new[] { typeof(ConsoleLogger) },
actualTypes: stream.Select(GetType));
}
public void GetAllInstances_TwoUncontrolledVariantCollections2_ResolvesInstancesThroughBaseType()
{
// Arrange
var container = ContainerFactory.New();
container.RegisterCollection <ITypeConverter <DerivedA> >(new[] { new DerivedAConverter() });
container.RegisterCollection <ITypeConverter <DerivedB> >(new[] { new DerivedBConverter() });
// Act
var baseConverters = container.GetAllInstances <ITypeConverter <BaseClass> >();
var types = baseConverters.Select(b => b.GetType()).ToArray();
// Assert
AssertThat.SequenceEquals(new[] { typeof(DerivedAConverter), typeof(DerivedBConverter) }, types);
}
public void Create_CreatingMultipleCollectionsOfTheSameServiceType_ProducesTheExpectedInstancesForBothCollections()
{
// Arrange
var expectedTypes1 = new[] { typeof(NullLogger), typeof(ConsoleLogger) };
var expectedTypes2 = new[] { typeof(Logger <int>), typeof(Logger <bool>) };
var container = new Container();
// Act
var stream1 = container.Collection.Create <ILogger>(expectedTypes1);
var stream2 = container.Collection.Create <ILogger>(expectedTypes2);
// Assert
AssertThat.SequenceEquals(expectedTypes1, actualTypes: stream1.Select(GetType));
AssertThat.SequenceEquals(expectedTypes2, actualTypes: stream2.Select(GetType));
}
private static void Assert_CalledTwiceForSameType_ResolvesExpectedSequence <T>(
Action <Container> registration,
params Type[] expectedTypes)
where T : class
{
// Arrange
var container = new Container();
// Act
registration(container);
var instances = container.GetAllInstances <T>();
var actualTypes = instances.Select(GetType).ToArray();
// Assert
AssertThat.SequenceEquals(expectedTypes, actualTypes);
}
public void GetAllInstances_AppendingInstancesOfClosedGenericImplementation_ResolvesTheExpectedCollection()
{
// Arrange
Type[] expectedHandlerTypes = new[]
{
typeof(NewConstraintEventHandler <StructEvent>),
typeof(AuditableEventEventHandler <StructEvent>),
};
var container = ContainerFactory.New();
container.Collection.Register(typeof(IEventHandler <>), new[] { typeof(NewConstraintEventHandler <>) });
container.Collection
.AppendInstance <IEventHandler <StructEvent> >(new AuditableEventEventHandler <StructEvent>());
// Act
var handlers = container.GetAllInstances(typeof(IEventHandler <StructEvent>));
Type[] actualHandlerTypes = handlers.Select(h => h.GetType()).ToArray();
// Assert
AssertThat.SequenceEquals(expectedHandlerTypes, actualHandlerTypes);
}
public void GetAllInstances_RegistrationPrependedToExistingOpenGenericRegistration_ResolvesTheExtectedCollection()
{
// Arrange
Type[] expectedHandlerTypes = new[]
{
typeof(StructEventHandler),
typeof(NewConstraintEventHandler <StructEvent>),
};
var container = ContainerFactory.New();
var registration = Lifestyle.Transient.CreateRegistration <StructEventHandler>(container);
container.Collection.Append(typeof(IEventHandler <>), registration);
container.Collection.Register(typeof(IEventHandler <>), new[] { typeof(NewConstraintEventHandler <>) });
// Act
Type[] actualHandlerTypes = container.GetAllInstances(typeof(IEventHandler <StructEvent>))
.Select(h => h.GetType()).ToArray();
// Assert
AssertThat.SequenceEquals(expectedHandlerTypes, actualHandlerTypes);
}
