def test_list_binding_with_named_arguments(self):
self.binding_registry.register(
RegisteredMultiBinding(
MultiBinding(
MyType,
[
ItemBinding(bound_instance=self.named_instance),
],
named="my_name",
),
item_bindings=[
RegisteredBinding(InstanceBinding(MyType, self.named_instance, named="my_name"))
]
)
)
self.binding_registry.register(
RegisteredMultiBinding(
MultiBinding(
MyType,
[
ItemBinding(bound_instance=self.my_instance),
],
),
item_bindings=[
RegisteredBinding(InstanceBinding(MyType, self.my_instance))
]
)
)
self.binding_registry.register(RegisteredBinding(self.my_named_instance_binding))
self.binding_registry.register(RegisteredBinding(SelfBinding(MyType)))
context = InjectionContext(Target(List[MyType], "my_name"), self.state)
provider = self.provider_creator.get_provider(context)
list_instance = provider.get()
self.assertEqual([self.named_instance], list_instance)
def test_register_multi_binding_saves_binding_to_known_type_in_order(self):
item_binding_1 = ItemBinding(MyType)
registered_item_binding_1 = RegisteredBinding(SelfBinding(MyType))
item_binding_2 = ItemBinding(bound_instance=MyType())
registered_item_binding_2 = RegisteredBinding(
InstanceBinding(MyType, item_binding_2.bound_instance))
binding_1 = RegisteredMultiBinding(MultiBinding(
MyType, [item_binding_1]),
item_bindings=[
registered_item_binding_1,
])
binding_2 = RegisteredMultiBinding(MultiBinding(
MyType, [item_binding_2], override_bindings=False),
item_bindings=[
registered_item_binding_2,
])
self.binding_registry.register(binding_1)
self.binding_registry.register(binding_2)
registered_binding = self.binding_registry.get_binding(
Target(List[MyType]))
self.assertIsInstance(registered_binding, RegisteredMultiBinding)
self.assertIsInstance(registered_binding.raw_binding, MultiBinding)
self.assertEqual(
[registered_item_binding_1, registered_item_binding_2],
registered_binding.item_bindings)
def test_register_multi_binding_with_override(self):
item_binding_1 = ItemBinding(MyType)
item_binding_2 = ItemBinding(bound_instance=MyType())
binding_1 = RegisteredMultiBinding(
MultiBinding(MyType, [item_binding_1]))
binding_2 = RegisteredMultiBinding(
MultiBinding(MyType, [item_binding_2], override_bindings=True))
self.binding_registry.register(binding_1)
self.binding_registry.register(binding_2)
binding = self.binding_registry.get_binding(Target(
List[MyType])).raw_binding
self.assertIsInstance(binding, MultiBinding)
self.assertEqual([item_binding_2], binding.item_bindings)
def test_create_from_class_binding(self):
binding = RegisteredMultiBinding(
MultiBinding(MyType, [ItemBinding(bound_class=MyType)]),
item_bindings=[RegisteredBinding(SelfBinding(MyType))])
provider = self.adapter.create(binding, self.context)
list_instance = provider.get()
self.assertEqual(1, len(list_instance))
self.assertIsInstance(list_instance[0], MyType)
def test_create_from_instance_binding(self):
binding = RegisteredMultiBinding(
MultiBinding(MyType,
[ItemBinding(bound_instance=self.my_instance)]),
item_bindings=[
RegisteredBinding(InstanceBinding(MyType, self.my_instance))
])
provider = self.adapter.create(binding, self.context)
list_instance = provider.get()
self.assertEqual([self.my_instance], list_instance)
def test_create_from_provider_binding(self):
provider = create_autospec(Provider, spec_set=True)
instance = MyType()
provider.get.return_value = instance
binding = RegisteredMultiBinding(MultiBinding(MyType, [ItemBinding(bound_provider=provider)]), item_bindings=[
RegisteredBinding(ProviderBinding(MyType, provider))
])
provider = self.adapter.create(binding, self.context)
list_instance = provider.get()
self.assertEqual([instance], list_instance)
def test_multi_binding(self):
instance = MyType()
provider = MyProvider
self.module.multi_bind(
MyType,
[
self.module.bind_item(to_class=MyType),
self.module.bind_item(to_instance=instance),
self.module.bind_item(to_provider=provider),
],
scope=PerLookupScope,
named="my_name",
override_bindings=False,
)
self.assertEqual(
{
FrozenTarget(List[MyType], "my_name"):
RegisteredMultiBinding(
MultiBinding(
MyType,
[
ItemBinding(bound_class=MyType),
ItemBinding(bound_instance=instance),
ItemBinding(bound_provider=provider),
],
scope=PerLookupScope,
named="my_name",
override_bindings=False,
),
item_bindings=[
RegisteredBinding(
SelfBinding(MyType,
scope=PerLookupScope,
named="my_name"), ),
RegisteredBinding(
InstanceBinding(MyType, instance,
named="my_name"), ),
RegisteredBinding(
ProviderBinding(MyType,
provider,
scope=PerLookupScope,
named="my_name"), )
]),
FrozenTarget(MyProvider, "my_name"):
RegisteredBinding(
SelfBinding(
MyProvider, scope=PerLookupScope, named="my_name")),
FrozenTarget(MyType, "my_name"):
RegisteredBinding(
InstanceBinding(MyType, instance, named="my_name"))
}, self.module.binding_registry.get_bindings_by_target())
def test_create_scoped_provider(self):
provider = self.adapter.create(RegisteredMultiBinding(
MultiBinding(MyType, [ItemBinding(MyType)], scope=ThreadScope),
item_bindings=[
RegisteredBinding(SelfBinding(MyType, scope=ThreadScope))
]
), self.context)
self.assertIsInstance(provider, ThreadScopedProvider)
instance = provider.get()
self.assertIsInstance(instance, list)
self.assertEqual(1, len(instance))
self.assertIsInstance(instance[0], MyType)
def test_register_multi_binding_with_provider_binding_creates_self_binding(
self):
class MyProvider(Provider[str]):
def get(self) -> str:
return "hello"
provider_binding = RegisteredBinding(ProviderBinding(str, MyProvider))
multi_binding = RegisteredMultiBinding(
MultiBinding(str, [provider_binding.raw_binding]),
item_bindings=[provider_binding])
self.binding_registry.register(multi_binding)
provider_binding = self.binding_registry.get_binding(
Target(MyProvider))
self.assertIsInstance(provider_binding.raw_binding, SelfBinding)
self.assertEqual(MyProvider, provider_binding.raw_binding.target_type)
def test_list_binding_with_multi_binding(self):
self.binding_registry.register(
RegisteredMultiBinding(
MultiBinding(
MyType,
[
ItemBinding(bound_instance=self.my_instance),
ItemBinding(MyType),
],
),
item_bindings=[
RegisteredBinding(InstanceBinding(MyType,
self.my_instance)),
RegisteredBinding(SelfBinding(MyType)),
]))
context = InjectionContext(Target(List[MyType]), self.state)
provider = self.provider_creator.get_provider(context)
list_instance = provider.get()
self.assertEqual([self.my_instance, ANY], list_instance)
self.assertIsInstance(list_instance[1], MyType)
def test_set_binding_with_multi_binding(self):
self.binding_registry.register(
RegisteredMultiBinding(
MultiBinding(
MyType,
[
ItemBinding(bound_instance=self.my_instance),
ItemBinding(MyType),
],
),
item_bindings=[
RegisteredBinding(InstanceBinding(MyType,
self.my_instance)),
RegisteredBinding(SelfBinding(MyType)),
]))
context = InjectionContext(Target(Set[MyType]), self.state)
provider = self.provider_creator.get_provider(context)
self.assertIsInstance(provider, FromClassProvider)
set_instance = provider.get()
self.assertIn(self.my_instance, set_instance)
self.assertEqual(2, len(set_instance))
def test_multi_binding_default_parameters(self):
self.module.multi_bind(
MyType,
[
self.module.bind_item(MyType),
],
)
self.assertEqual(
{
FrozenTarget(List[MyType]):
RegisteredMultiBinding(
MultiBinding(
MyType,
[
ItemBinding(MyType),
],
SingletonScope,
None,
True,
),
item_bindings=[RegisteredBinding(SelfBinding(MyType), )]),
}, self.module.binding_registry.get_bindings_by_target())
def test_non_injectable_scope_raises_exception(self):
with self.assertRaises(NonInjectableTypeError):
self.adapter.create(
RegisteredMultiBinding(
MultiBinding(MyType, [], scope=ImmediateScope)),
self.context)
