public void DifferentScopedInstances(Action <IRegistrationOptions <ClassWithoutDependencies> > configureLifetime)
{
var parentContainer = new DependencyInjectionContainer().Register(configureLifetime);
var childContainer1 = parentContainer.CreateChildContainer();
var instanceOf1 = childContainer1.Resolve <ClassWithoutDependencies>();
var childContainer2 = parentContainer.CreateChildContainer();
var instanceOf2 = childContainer2.Resolve <ClassWithoutDependencies>();
instanceOf1.Should().NotBeSameAs(instanceOf2);
}
public void AccessParentScopedInstances()
{
var container = new DependencyInjectionContainer().Register <ClassWithoutDependencies>(options => options.UseScopedLifetime());
var scopedInstanceFromParentContainer = container.Resolve <ClassWithoutDependencies>();
var childContainer = container.CreateChildContainer();
var scopedInstanceFromChildContainer = childContainer.Resolve <ClassWithoutDependencies>();
scopedInstanceFromChildContainer.Should().BeSameAs(scopedInstanceFromParentContainer);
}
public void DetachedChildContainer()
{
var containerServices = new ContainerServicesBuilder().WithAutomaticRegistrationFactory(new NoAutoRegistrationsAllowedFactory()).Build();
var parentContainer = new DependencyInjectionContainer(containerServices);
var childContainer = parentContainer.CreateChildContainer(new ChildContainerOptions(true));
var instance = childContainer.Register <ClassWithoutDependencies>().Resolve <ClassWithoutDependencies>();
instance.Should().NotBeNull();
parentContainer.TryGetRegistration <ClassWithoutDependencies>().Should().BeNull();
}
public void DoNotAccessParentScopedInstancesForHierarchicalScopedLifetimeRegistrations()
{
var parentContainer = new DependencyInjectionContainer().Register <ClassWithoutDependencies>(options => options.UseHierarchicalScopedLifetime());
var parentInstance1 = parentContainer.Resolve <ClassWithoutDependencies>();
var parentInstance2 = parentContainer.Resolve <ClassWithoutDependencies>();
parentInstance1.Should().BeSameAs(parentInstance2);
var childContainer = parentContainer.CreateChildContainer();
var childInstance1 = childContainer.Resolve <ClassWithoutDependencies>();
var childInstance2 = childContainer.Resolve <ClassWithoutDependencies>();
childInstance1.Should().BeSameAs(childInstance2);
childInstance1.Should().NotBeSameAs(parentInstance1);
}
public void ScopedExternalInstanceLifetime()
{
var containerServices = new ContainerServicesBuilder().WithAutomaticRegistrationFactory(new NoAutoRegistrationsAllowedFactory()).Build();
var parentContainer = new DependencyInjectionContainer(containerServices).PrepareScopedExternalInstance <DisposableSpy>();
var externalSpy = new DisposableSpy();
var childContainer = parentContainer.CreateChildContainer();
childContainer.AddPreparedExternalInstanceToScope(externalSpy);
var resolvedInstance = childContainer.Resolve <DisposableSpy>();
resolvedInstance.Should().BeSameAs(externalSpy);
childContainer.Dispose();
externalSpy.DisposeMustHaveBeenCalledExactlyOnce();
}
public void MultipleResolvesWithDifferentConstructedTypes()
{
var containerServices = new ContainerServicesBuilder().DisallowAutomaticRegistrations()
.Build();
var container = new DependencyInjectionContainer(containerServices).Register(typeof(ObservableCollection <>),
options => options.UseDefaultConstructor()
.UseScopedLifetime()
.MapToAbstractions(typeof(IList <>)))
.Register(typeof(GenericTypeWithDependencyToOtherGenericType <>));
using (var childContainer = container.CreateChildContainer())
{
var instance1 = childContainer.Resolve <GenericTypeWithDependencyToOtherGenericType <string> >();
instance1.Collection.Should().BeOfType <ObservableCollection <string> >();
var instance2 = childContainer.Resolve <GenericTypeWithDependencyToOtherGenericType <int> >();
instance2.Collection.Should().BeOfType <ObservableCollection <int> >();
}
}
