public void CanAddDemandAddServiceAndRetrieveService()
{
TestableServiceCollection services = CreateServiceCollection();
services.AddOnDemand(typeof(MockDemandService));
Assert.IsTrue(services.Contains <MockDemandService>());
Assert.IsNotNull(services.Get <MockDemandService>());
}
public void DemandAddedServiceFromParentGetsReplacedInParentEvenWhenAskedForFromChild_Generic()
{
TestableServiceCollection parent = CreateServiceCollection();
TestableServiceCollection child = new TestableServiceCollection(parent);
parent.AddOnDemand <MockDemandService>();
MockDemandService svc = child.Get <MockDemandService>();
Assert.AreSame(svc, parent.Locator.Get(new DependencyResolutionLocatorKey(typeof(MockDemandService), null)));
}
public void CanAddDemandAddServiceOfOneTypeAndRegisterAsOtherType()
{
TestableServiceCollection services = CreateServiceCollection();
services.AddOnDemand(typeof(MockDemandService), typeof(IMockDemandService));
Assert.IsFalse(services.Contains <MockDemandService>());
Assert.IsTrue(services.Contains <IMockDemandService>());
Assert.IsNull(services.Get <MockDemandService>());
Assert.IsNotNull(services.Get <IMockDemandService>());
}
public void CanAddDemandAddServiceAndItWontBeCreatedUntilAskedFor()
{
TestableServiceCollection services = CreateServiceCollection();
MockDemandService.WasCreated = false;
services.AddOnDemand(typeof(MockDemandService));
Assert.IsFalse(MockDemandService.WasCreated);
Assert.IsTrue(services.Contains <MockDemandService>());
Assert.IsFalse(MockDemandService.WasCreated);
MockDemandService svc = services.Get <MockDemandService>();
Assert.IsTrue(MockDemandService.WasCreated);
}
public void DemandAddedServiceEventsAreFiredAtTheRightTime()
{
bool AddedEventFired = false;
bool RemovedEventFired = false;
TestableServiceCollection services = CreateServiceCollection();
services.Added += delegate { AddedEventFired = true; };
services.Removed += delegate { RemovedEventFired = true; };
services.AddOnDemand <object>();
Assert.IsFalse(AddedEventFired);
Assert.IsFalse(RemovedEventFired);
services.Get <object>();
Assert.IsTrue(AddedEventFired);
Assert.IsFalse(RemovedEventFired);
services.Remove <object>();
Assert.IsTrue(RemovedEventFired);
}