public void Instanciate_NotInterface_ThrowArgumentException()
{
var registry = new DependancyRegistry();
void testAction() => registry.Instantiate <TestedInheritingClass>();
Assert.ThrowsException <ArgumentException>(testAction);
}
public void Instanciate_InterfaceIsNotRegistered_ThrowArgumentException()
{
var registry = new DependancyRegistry();
void testAction() => registry.Instantiate <ITestedInterface>();
Assert.ThrowsException <ArgumentException>(testAction);
}
public void Instanciate_InterfaceIsRegistered_ReturnsNewImplementation()
{
var registry = new DependancyRegistry();
registry.Register(typeof(ITestedInterface), typeof(TestedInheritingClass));
var instance = registry.Instantiate <ITestedInterface>();
Assert.IsTrue(instance is TestedInheritingClass);
}
public void Register_InterfaceWithNonInheritingClass_ThrowArgumentException()
{
var interfaceType = typeof(ITestedInterface);
var nonInheritingType = typeof(TestedNonInheritingClass);
var registry = new DependancyRegistry();
void testAction() => registry.Register(interfaceType, nonInheritingType);
Assert.ThrowsException <ArgumentException>(testAction);
}
public void Register_InterfaceWithInheritingClass_AddsToRegistry()
{
var interfaceType = typeof(ITestedInterface);
var inheritingType = typeof(TestedInheritingClass);
var registry = new DependancyRegistry();
registry.Register(interfaceType, inheritingType);
Assert.IsTrue(registry.Clone().ContainsKey(interfaceType));
}
public void Register_InterfaceRegisteredToDifferentType_ThrowArgumentException()
{
var interfaceType = typeof(ITestedInterface);
var firstInheritingType = typeof(TestedInheritingClass);
var secondInheritingType = typeof(TestedOtherInheritingClass);
var registry = new DependancyRegistry();
registry.Register(interfaceType, firstInheritingType);
void testAction() => registry.Register(interfaceType, secondInheritingType);
Assert.ThrowsException <ArgumentException>(testAction);
}