mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-30 13:33:59 +03:00
92 lines
3.2 KiB
Python
92 lines
3.2 KiB
Python
from typing import Callable, Optional, Tuple, Any, Dict, Type
|
|
|
|
from dependency_injector import providers
|
|
|
|
|
|
class Animal:
|
|
...
|
|
|
|
|
|
class Cat(Animal):
|
|
|
|
def __init__(self, *_, **__): ...
|
|
|
|
@classmethod
|
|
def create(cls) -> Animal:
|
|
return cls()
|
|
|
|
|
|
# Test 1: to check the return type (class)
|
|
provider1 = providers.Singleton(Cat)
|
|
animal1: Animal = provider1(1, 2, 3, b="1", c=2, e=0.0)
|
|
|
|
# Test 2: to check the return type (class factory method)
|
|
provider2 = providers.Singleton(Cat.create)
|
|
animal2: Animal = provider2()
|
|
|
|
# Test 3: to check the .override() method
|
|
provider3 = providers.Singleton(Animal)
|
|
with provider3.override(providers.Singleton(Cat)):
|
|
provider3()
|
|
|
|
# Test 4: to check the .args, .kwargs, .attributes attributes
|
|
provider4 = providers.Singleton(Animal)
|
|
args4: Tuple[Any] = provider4.args
|
|
kwargs4: Dict[str, Any] = provider4.kwargs
|
|
attributes4: Dict[str, Any] = provider4.attributes
|
|
|
|
# Test 5: to check the provided instance interface
|
|
provider5 = providers.Singleton(Animal)
|
|
provided5: providers.ProvidedInstance = provider5.provided
|
|
attr_getter5: providers.AttributeGetter = provider5.provided.attr
|
|
item_getter5: providers.ItemGetter = provider5.provided["item"]
|
|
method_caller5: providers.MethodCaller = provider5.provided.method.call(123, arg=324)
|
|
|
|
# Test 6: to check the DelegatedSingleton
|
|
provider6 = providers.DelegatedSingleton(Cat)
|
|
animal6: Animal = provider6(1, 2, 3, b="1", c=2, e=0.0)
|
|
|
|
# Test 7: to check the ThreadSafeSingleton
|
|
provider7: providers.BaseSingleton[Animal] = providers.ThreadSafeSingleton(Cat)
|
|
animal7: Animal = provider7()
|
|
|
|
# Test 8: to check the DelegatedThreadSafeSingleton
|
|
provider8 = providers.DelegatedThreadSafeSingleton(Cat)
|
|
animal8: Animal = provider8(1, 2, 3, b="1", c=2, e=0.0)
|
|
|
|
# Test 9: to check the ThreadLocalSingleton
|
|
provider9 = providers.ThreadLocalSingleton(Cat)
|
|
animal9: Animal = provider9(1, 2, 3, b="1", c=2, e=0.0)
|
|
|
|
# Test 10: to check the DelegatedThreadLocalSingleton
|
|
provider10 = providers.DelegatedThreadLocalSingleton(Cat)
|
|
animal10: Animal = provider10(1, 2, 3, b="1", c=2, e=0.0)
|
|
|
|
# Test 11: to check the AbstractSingleton
|
|
provider11 = providers.AbstractSingleton(Animal)
|
|
provider11.override(providers.Singleton(Cat))
|
|
animal11: Animal = provider11(1, 2, 3, b="1", c=2, e=0.0)
|
|
|
|
# Test 12: to check the SingletonDelegate __init__
|
|
provider12 = providers.SingletonDelegate(providers.Singleton(object))
|
|
|
|
# Test 13: to check the return type with await
|
|
provider13 = providers.Singleton(Cat)
|
|
async def _async13() -> None:
|
|
animal1: Animal = await provider13(1, 2, 3, b="1", c=2, e=0.0) # type: ignore
|
|
animal2: Animal = await provider13.async_(1, 2, 3, b="1", c=2, e=0.0)
|
|
|
|
# Test 14: to check class from .provides
|
|
provider14 = providers.Singleton(Cat)
|
|
provided_cls14: Type[Cat] = provider14.cls
|
|
assert issubclass(provided_cls14, Cat)
|
|
provided_provides14: Optional[Callable[..., Cat]] = provider14.provides
|
|
assert provided_provides14 is not None and provided_provides14() == Cat()
|
|
|
|
# Test 15: to check class from .provides with explicit typevar
|
|
provider15 = providers.Singleton[Animal](Cat)
|
|
provided_cls15: Type[Animal] = provider15.cls
|
|
assert issubclass(provided_cls15, Animal)
|
|
provided_provides15: Optional[Callable[..., Animal]] = provider15.provides
|
|
assert provided_provides15 is not None and provided_provides15() == Cat()
|