public void ResolveSimpleImplementation()
{
var resolver = new DefaultServiceBusResolver();
resolver.Register<IContract, SimpleImplementation>();
var result = resolver.Resolve<IContract>();
Assert.That(result, Is.InstanceOf<SimpleImplementation>());
}
public void ShouldResolveDifferentInstance()
{
var resolver = new DefaultServiceBusResolver();
resolver.Register<IContract, SimpleImplementation>();
var resultA = resolver.Resolve<IContract>();
var resultB = resolver.Resolve<IContract>();
Assert.That(resultA, Is.Not.SameAs(resultB));
}
public void IgnoreSubsequentRegistrationOfSimpleImplementation()
{
var resolver = new DefaultServiceBusResolver();
resolver.Register<IContract, AlternateSimpleImplementation>();
resolver.Register<IContract, SimpleImplementation>();
var result = resolver.Resolve<IContract>();
Assert.That(result, Is.InstanceOf<AlternateSimpleImplementation>());
}
public void ResolveTwoLevels()
{
var resolver = new DefaultServiceBusResolver();
resolver.Register<IContract, SimpleImplementation>();
resolver.Register<IAnotherContract, ContractAdapterImplementation>();
var result = resolver.Resolve<IAnotherContract>();
Assert.That(result, Is.InstanceOf<ContractAdapterImplementation>());
Assert.That(((ContractAdapterImplementation)result).Contract, Is.InstanceOf<SimpleImplementation>());
}
public void IgnoreSubsequentRegistrationOfInstance()
{
var resolver = new DefaultServiceBusResolver();
var simpleImplementation = new AlternateSimpleImplementation();
resolver.Register<IContract>(simpleImplementation);
resolver.Register<IContract>(new SimpleImplementation());
var result = resolver.Resolve<IContract>();
Assert.That(result, Is.SameAs(simpleImplementation));
}
public void ShouldResolveSameInstance()
{
var resolver = new DefaultServiceBusResolver();
var simpleImplementation = new SimpleImplementation();
resolver.Register<IContract>(simpleImplementation);
var resultA = resolver.Resolve<IContract>();
var resultB = resolver.Resolve<IContract>();
Assert.That(resultA, Is.SameAs(simpleImplementation));
Assert.That(resultB, Is.SameAs(simpleImplementation));
}
public void ThrowExceptionIfComponentNotRegistered()
{
var resolver = new DefaultServiceBusResolver();
Assert.That(() => resolver.Resolve<IContract>(), Throws.InstanceOf<ArgumentException>().With.Message.EqualTo("Failed to resolve IContract; no implementation has been registered"));
}
public void ThrowExceptionIfComponentHasMultipleConstructors()
{
var resolver = new DefaultServiceBusResolver();
Assert.That(resolver.Register<IContract, MultipleConstructorImplementation>, Throws.InstanceOf<ArgumentException>().With.Message.EqualTo("Failed to register IContract; MultipleConstructorImplementation has multiple constructors"));
}