public void has_simple_argument()
{
var graph = ServiceGraph.For(x => x.AddTransient <IWidget, AWidget>());
var ctor = ConstructorInstance.For <WithSimples>().DetermineConstructor(graph, out var message);
message.ShouldContain("* int number is a 'simple' type that cannot be auto-filled");
}
public void has_unknown_dependency()
{
var graph = ServiceGraph.For(x => x.AddTransient <IWidget, AWidget>());
var ctor = ConstructorInstance.For <WithHitsAndMisses>().DetermineConstructor(graph, out var message);
message.ShouldContain("* int number is a 'simple' type that cannot be auto-filled");
message.ShouldContain(
"* Rule is not registered within this container and cannot be auto discovered by any missing family policy");
}
public void do_not_pick_up_concrete_type_with_no_usable_ctor()
{
var graph = ServiceGraph.For(_ =>
{
//_.AddTransient<IWidget, AWidget>();
//_.AddTransient<IClock, Clock>();
});
graph.TryToCreateMissingFamily(typeof(WidgetUser))
.Default.ShouldBeNull();
}
public void use_custom_policy()
{
var graph = ServiceGraph.For(_ =>
{
_.Policies.OnMissingFamily <CustomMissingFamily>();
});
graph.TryToCreateMissingFamily(typeof(FakeThing))
.Default.ShouldBeOfType <ObjectInstance>()
.Service.ShouldBeOfType <FakeThing>()
.CreatedBy.ShouldBe("CustomMissingFamily");
}
public void can_pick_up_concrete_type_with_no_usable_ctor()
{
var graph = ServiceGraph.For(_ =>
{
_.AddTransient <IWidget, AWidget>();
_.AddTransient <IClock, Clock>();
});
graph.TryToCreateMissingFamily(typeof(WidgetUser))
.Default.ShouldBeOfType <ConstructorInstance>()
.ImplementationType.ShouldBe(typeof(WidgetUser));
}
public void register_an_instance_that_is_not_the_default()
{
var instance = ObjectInstance.For(new Clock());
var graph = ServiceGraph.For(_ =>
{
_.Add(instance);
_.AddSingleton(new Clock());
});
graph.FindInstance(instance.ServiceType, instance.Name)
.ShouldBeSameAs(instance);
}
public void custom_policies_take_precedence()
{
var graph = ServiceGraph.For(_ =>
{
_.Policies.OnMissingFamily <CustomMissingFamily>();
});
graph.FamilyPolicies[0].ShouldBeOfType <CustomMissingFamily>();
graph.FamilyPolicies[1].ShouldBeOfType <EnumerablePolicy>();
graph.FamilyPolicies[2].ShouldBeOfType <FuncOrLazyPolicy>();
graph.FamilyPolicies[3].ShouldBeOfType <CloseGenericFamilyPolicy>();
graph.FamilyPolicies[4].ShouldBeOfType <ConcreteFamilyPolicy>();
graph.FamilyPolicies[5].ShouldBeOfType <EmptyFamilyPolicy>();
}
public void no_family_for_assembly_scanner_or_policy_or_connected_concretions()
{
var graph = ServiceGraph.For(_ =>
{
_.Scan(x =>
{
x.TheCallingAssembly();
x.ConnectImplementationsToTypesClosing(typeof(type_scanning.IGeneric <>));
});
_.Policies.OnMissingFamily <CustomMissingFamily>();
});
graph.HasFamily(typeof(ConnectedConcretions)).ShouldBeFalse();
graph.HasFamily(typeof(IFamilyPolicy)).ShouldBeFalse();
graph.HasFamily(typeof(AssemblyScanner)).ShouldBeFalse();
}