public void GetInstance_ResolvingAnInstanceTwice_CallsTheInterceptorDelegateTwice()
{
// Arrange
var resolvedInstances = new InstanceInitializationDataCollection();
var container = new Container();
container.Options.RegisterResolveInterceptor(resolvedInstances.Intercept, Always);
// Act
container.GetInstance <Container>();
container.GetInstance <Container>();
// Assert
Assert.AreEqual(2, resolvedInstances.Count, resolvedInstances.ToString());
}
public void GetInstance_ThreeResolveInterceptorsRegistered_FlowsInstanceCorrectlyThroughInterceptors()
{
// Arrange
var resolvedInstances = new InstanceInitializationDataCollection();
var container = new Container();
container.Options.RegisterResolveInterceptor(resolvedInstances.Intercept, Always);
container.Options.RegisterResolveInterceptor(resolvedInstances.Intercept, Always);
container.Options.RegisterResolveInterceptor(resolvedInstances.Intercept, Always);
// Act
container.GetInstance <Container>();
// Assert
Assert.AreSame(container, resolvedInstances.Last().Instance);
}
public void GetInstance_ThreeResolveInterceptorsRegistered_CallsAllThreeInterceptors()
{
// Arrange
var resolvedInstances = new InstanceInitializationDataCollection();
var container = new Container();
container.Options.RegisterResolveInterceptor(resolvedInstances.Intercept, Always);
container.Options.RegisterResolveInterceptor(resolvedInstances.Intercept, Always);
container.Options.RegisterResolveInterceptor(resolvedInstances.Intercept, Always);
// Act
container.GetInstance <Container>();
// Assert
Assert.AreEqual(3, resolvedInstances.Count, resolvedInstances.ToString());
}
public void InstanceProducerGetInstance_ResolvingAnInstance_CallsTheInterceptorWithADeletateThatReturnsTheExpectedInstance()
{
// Arrange
var resolvedInstances = new InstanceInitializationDataCollection();
var container = new Container();
container.Options.RegisterResolveInterceptor(resolvedInstances.Intercept, Always);
// Act
container.GetRegistration(typeof(Container)).GetInstance();
object actualInstance = resolvedInstances.Single().Instance;
// Assert
AssertThat.IsInstanceOfType(typeof(Container), actualInstance, resolvedInstances.ToString());
}
public void GetInstance_ResolvingAnInstance_CallsTheInterceptorWithTheExpectedInitializationContext()
{
// Arrange
var resolvedInstances = new InstanceInitializationDataCollection();
var container = new Container();
container.Options.RegisterResolveInterceptor(resolvedInstances.Intercept, Always);
// Act
container.GetInstance <Container>();
InitializationContext actualContext = resolvedInstances.First().Context;
// Assert
Assert.AreSame(Lifestyle.Singleton, actualContext.Registration.Lifestyle, resolvedInstances.ToString());
Assert.AreEqual(typeof(Container), actualContext.Registration.ImplementationType, resolvedInstances.ToString());
}
public void ContainerGetInstance_ResolvingAnInstanceWithDependencies_OnlyCallsTheDelegateForThisRootInstance()
{
// Arrange
var resolvedInstances = new InstanceInitializationDataCollection();
var container = new Container();
container.Options.RegisterResolveInterceptor(resolvedInstances.Intercept, Always);
// Act
container.GetInstance <Dep1>();
object actualInstance = resolvedInstances.First().Instance;
// Assert
AssertThat.IsInstanceOfType(typeof(Dep1), actualInstance, resolvedInstances.ToString());
Assert.AreEqual(1, resolvedInstances.Count, resolvedInstances.ToString());
}
public void GetInstance_ThreeResolveInterceptorsRegisteredWithTwoPredicateFalse_AppliesTheCorrectInterceptor()
{
// Arrange
string expected = "B";
string actual = string.Empty;
var resolvedInstances = new InstanceInitializationDataCollection();
var container = new Container();
container.Options.RegisterResolveInterceptor(new Interceptor(() => actual += "A").Intercept, c => false);
container.Options.RegisterResolveInterceptor(new Interceptor(() => actual += "B").Intercept, Always);
container.Options.RegisterResolveInterceptor(new Interceptor(() => actual += "C").Intercept, c => false);
// Act
container.GetInstance <Container>();
// Assert
Assert.AreEqual(expected, actual);
}
public void GetInstance_ThreeResolveInterceptorsRegistered_InterceptorsAreWrappedInOrderOfRegistration()
{
// Arrange
string expectedOrder = "CBA";
string actualOrder = string.Empty;
var resolvedInstances = new InstanceInitializationDataCollection();
var container = new Container();
container.Options.RegisterResolveInterceptor(new Interceptor(() => actualOrder += "A").Intercept, Always);
container.Options.RegisterResolveInterceptor(new Interceptor(() => actualOrder += "B").Intercept, Always);
container.Options.RegisterResolveInterceptor(new Interceptor(() => actualOrder += "C").Intercept, Always);
// Act
container.GetInstance <Container>();
// Assert
Assert.AreEqual(expectedOrder, actualOrder);
}