public void CustomMappingStrategyUsedWhenExplicitStrategyDefined()
{
typeLocator.Setup(mock => mock.GetTypes(It.IsAny <Func <Type, Boolean> >())).Returns(new[] { typeof(ExplicitStrategyAggregate) });
var registry = new CommandHandlerRegistry(aggregateStore.Object, typeLocator.Object, serviceProvider.Object);
var handler = registry.GetHandlerFor(new FakeCommand());
Assert.NotNull(handler);
}
public void CustomMappingStrategyUsedWhenExplicitStrategyDefined()
{
typeLocator.Setup(mock => mock.GetTypes(It.IsAny<Func<Type, Boolean>>())).Returns(new[] { typeof(ExplicitStrategyAggregate) });
var registry = new CommandHandlerRegistry(aggregateStore.Object, typeLocator.Object, serviceProvider.Object);
var handler = registry.GetHandlerFor(new FakeCommand());
Assert.NotNull(handler);
}
public void ThrowMappingExceptionIfHandlerNotFound()
{
typeLocator.Setup(mock => mock.GetTypes(It.IsAny <Func <Type, Boolean> >())).Returns(new[] { typeof(AlternateImplicitStrategyAggregate) });
var registry = new CommandHandlerRegistry(aggregateStore.Object, typeLocator.Object, serviceProvider.Object);
var ex = Assert.Throws <MappingException>(() => registry.GetHandlerFor(new FakeCommand()));
Assert.Equal(Exceptions.CommandHandlerNotFound.FormatWith(typeof(FakeCommand)), ex.Message);
}
public void GetCommandHandlerBasedOnCommandType()
{
typeLocator.Setup(mock => mock.GetTypes(It.IsAny <Func <Type, Boolean> >())).Returns(new[] { typeof(ImplicitStrategyAggregate), typeof(AlternateImplicitStrategyAggregate) });
var registry = new CommandHandlerRegistry(aggregateStore.Object, typeLocator.Object, serviceProvider.Object);
var handler = registry.GetHandlerFor(new FakeCommand());
Assert.Equal(typeof(ImplicitStrategyAggregate), handler.AggregateType);
}
public void CanResolveRegisteredServices()
{
typeLocator.Setup(mock => mock.GetTypes(It.IsAny <Func <Type, Boolean> >())).Returns(new[] { typeof(ServicedAggregate) });
serviceProvider.Setup(mock => mock.GetService(typeof(FakeService))).Returns(new FakeService());
var registry = new CommandHandlerRegistry(aggregateStore.Object, typeLocator.Object, serviceProvider.Object);
var handler = registry.GetHandlerFor(new FakeCommand());
Assert.NotNull(handler);
}
public void RegisteredServiceOnlyResolvedOncePerHandler()
{
var aggregateId = GuidStrategy.NewGuid();
typeLocator.Setup(mock => mock.GetTypes(It.IsAny <Func <Type, Boolean> >())).Returns(new[] { typeof(ServicedAggregate) });
aggregateStore.Setup(mock => mock.Get(typeof(ServicedAggregate), aggregateId)).Returns(new ServicedAggregate());
serviceProvider.Setup(mock => mock.GetService(typeof(FakeService))).Returns(new FakeService());
var registry = new CommandHandlerRegistry(aggregateStore.Object, typeLocator.Object, serviceProvider.Object);
using (var context = new CommandContext(GuidStrategy.NewGuid(), HeaderCollection.Empty, new CommandEnvelope(aggregateId, new FakeCommand())))
{
var handler1 = registry.GetHandlerFor(new FakeCommand());
handler1.Handle(context);
handler1.Handle(context);
var handler2 = registry.GetHandlerFor(new FakeCommand());
handler2.Handle(context);
handler2.Handle(context);
}
serviceProvider.Verify(mock => mock.GetService(typeof(FakeService)), Times.Once());
}
public void CanResolveRegisteredServices()
{
typeLocator.Setup(mock => mock.GetTypes(It.IsAny<Func<Type, Boolean>>())).Returns(new[] { typeof(ServicedAggregate) });
serviceProvider.Setup(mock => mock.GetService(typeof(FakeService))).Returns(new FakeService());
var registry = new CommandHandlerRegistry(aggregateStore.Object, typeLocator.Object, serviceProvider.Object);
var handler = registry.GetHandlerFor(new FakeCommand());
Assert.NotNull(handler);
}
public void ThrowMappingExceptionIfHandlerNotFound()
{
typeLocator.Setup(mock => mock.GetTypes(It.IsAny<Func<Type, Boolean>>())).Returns(new[] { typeof(AlternateImplicitStrategyAggregate) });
var registry = new CommandHandlerRegistry(aggregateStore.Object, typeLocator.Object, serviceProvider.Object);
var ex = Assert.Throws<MappingException>(() => registry.GetHandlerFor(new FakeCommand()));
Assert.Equal(Exceptions.CommandHandlerNotFound.FormatWith(typeof(FakeCommand)), ex.Message);
}
public void GetCommandHandlerBasedOnCommandType()
{
typeLocator.Setup(mock => mock.GetTypes(It.IsAny<Func<Type, Boolean>>())).Returns(new[] { typeof(ImplicitStrategyAggregate), typeof(AlternateImplicitStrategyAggregate) });
var registry = new CommandHandlerRegistry(aggregateStore.Object, typeLocator.Object, serviceProvider.Object);
var handler = registry.GetHandlerFor(new FakeCommand());
Assert.Equal(typeof(ImplicitStrategyAggregate), handler.AggregateType);
}
public void RegisteredServiceOnlyResolvedOncePerHandler()
{
var aggregateId = GuidStrategy.NewGuid();
typeLocator.Setup(mock => mock.GetTypes(It.IsAny<Func<Type, Boolean>>())).Returns(new[] { typeof(ServicedAggregate) });
aggregateStore.Setup(mock => mock.Get(typeof(ServicedAggregate), aggregateId)).Returns(new ServicedAggregate());
serviceProvider.Setup(mock => mock.GetService(typeof(FakeService))).Returns(new FakeService());
var registry = new CommandHandlerRegistry(aggregateStore.Object, typeLocator.Object, serviceProvider.Object);
using (var context = new CommandContext(GuidStrategy.NewGuid(), HeaderCollection.Empty, new CommandEnvelope(aggregateId, new FakeCommand())))
{
var handler1 = registry.GetHandlerFor(new FakeCommand());
handler1.Handle(context);
handler1.Handle(context);
var handler2 = registry.GetHandlerFor(new FakeCommand());
handler2.Handle(context);
handler2.Handle(context);
}
serviceProvider.Verify(mock => mock.GetService(typeof(FakeService)), Times.Once());
}