public void Discover_throws_TypeDiscoveryException_on_registrar_error()
{
using (var container = new UnityContainer())
{
void RegistrationAction(IUnityContainer c) => throw new Exception("Failed!");
container.RegisterInstance((Action <IUnityContainer>)RegistrationAction);
var discoverer = new IocRegistrarTypeDiscoverer();
Assert.That(
() => discoverer.Discover(container),
Throws.Exception.TypeOf <TypeDiscoveryException>());
}
}
public void Discover_runs_and_resolves_the_CallTrackingRegistrar_Register_method()
{
using (var container = new UnityContainer())
{
var callCount = 0;
void RegistrationAction(IUnityContainer c) => callCount++;
container.RegisterInstance((Action <IUnityContainer>)RegistrationAction);
var discoverer = new IocRegistrarTypeDiscoverer();
discoverer.Discover(container);
Assert.That(CallTrackingRegistrar.RegisterCallCount, Is.GreaterThan(0));
}
}
public void Discover_runs_and_resolves_the_ActionInvokingRegistrar_Register_method()
{
using (var container = new UnityContainer())
{
var callCount = 0;
void RegistrationAction(IUnityContainer c)
{
callCount++;
c.RegisterType <TestingNestedClass>();
}
container.RegisterInstance((Action <IUnityContainer>)RegistrationAction);
var discoverer = new IocRegistrarTypeDiscoverer();
discoverer.Discover(container);
Assert.That(callCount, Is.EqualTo(1));
Assert.That(
container.Registrations.Any(r => r.RegisteredType == typeof(TestingNestedClass)),
Is.True,
$"Expected the registration action to be called and have registered the {typeof(TestingNestedClass).FullName} type.");
}
}