public void GetServices_returns_empty_list_if_no_resolver_in_the_chain_resolves_the_dependency()
{
var mockResolver1 = CreateMockResolver("Steve", new Mock <IPilkington>().Object);
var mockResolver2 = CreateMockResolver("Ricky", new Mock <IPilkington>().Object);
var chain = new ResolverChain();
chain.Add(mockResolver1.Object);
chain.Add(mockResolver2.Object);
Assert.Empty(chain.GetServices <IPilkington>("Karl"));
mockResolver1.Verify(m => m.GetServices(typeof(IPilkington), "Karl"), Times.Once());
mockResolver2.Verify(m => m.GetServices(typeof(IPilkington), "Karl"), Times.Once());
}
public void GetServices_and_Add_can_be_accessed_from_multiple_threads_concurrently()
{
for (var i = 0; i < 30; i++)
{
var bag = new ConcurrentBag <IPilkington>();
var resolver = new ResolverChain();
var karl = new Karl();
ExecuteInParallel(
() =>
{
resolver.Add(new SingletonDependencyResolver <IPilkington>(karl, "Karl"));
resolver.GetServices <IPilkington>("Karl").Each(bag.Add);
});
Assert.True(bag.Count >= 20);
Assert.True(bag.All(c => karl == c));
}
}
public void GetServices_returns_all_the_services_that_match_the_given_type_and_key()
{
var karl1a = new Mock <IPilkington>().Object;
var karl1b = new Mock <IPilkington>().Object;
var mockResolver1 = new Mock <IDbDependencyResolver>();
mockResolver1
.Setup(m => m.GetServices(typeof(IPilkington), "Karl"))
.Returns(new object[] { karl1a, karl1b });
var karl2a = new Mock <IPilkington>().Object;
var karl2b = new Mock <IPilkington>().Object;
var mockResolver2 = new Mock <IDbDependencyResolver>();
mockResolver2
.Setup(m => m.GetServices(typeof(IPilkington), "Karl"))
.Returns(new object[] { karl2a, karl2b });
var mockResolver3 = CreateMockResolver("Ricky", new Mock <IPilkington>().Object);
var chain = new ResolverChain();
chain.Add(mockResolver1.Object);
chain.Add(mockResolver2.Object);
chain.Add(mockResolver3.Object);
var pilkingtons = chain.GetServices <IPilkington>("Karl").ToList();
Assert.Equal(4, pilkingtons.Count);
Assert.Same(karl2a, pilkingtons[0]);
Assert.Same(karl2b, pilkingtons[1]);
Assert.Same(karl1a, pilkingtons[2]);
Assert.Same(karl1b, pilkingtons[3]);
mockResolver1.Verify(m => m.GetServices(typeof(IPilkington), "Karl"), Times.Once());
mockResolver2.Verify(m => m.GetServices(typeof(IPilkington), "Karl"), Times.Once());
mockResolver3.Verify(m => m.GetServices(typeof(IPilkington), "Karl"), Times.Once());
}
public IEnumerable <object> GetServices(Type type, object key)
{
return(_defaultResolvers.GetServices(type, key).Concat(_resolvers.GetServices(type, key)));
}
