mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-12-04 23:44:05 +03:00
86df7f91f6
* Implement string imports for Factory, Callable, Singletons, and Resource * Refactor the implementation * Add tests * Update tests to pass on Python 2 * Update typing and add typing tests * Update changelog * Update docs
73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
from typing import Callable, Optional, Tuple, Any, Dict, Type
|
|
|
|
from dependency_injector import providers
|
|
|
|
|
|
class Animal:
|
|
...
|
|
|
|
|
|
class Cat(Animal):
|
|
|
|
@classmethod
|
|
def create(cls) -> Animal:
|
|
return cls()
|
|
|
|
|
|
# Test 1: to check the return type (class)
|
|
provider1 = providers.Callable(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.Callable(Cat.create)
|
|
animal2: Animal = provider2()
|
|
|
|
# Test 3: to check the .override() method
|
|
provider3 = providers.Callable(Animal)
|
|
with provider3.override(providers.Callable(Cat)):
|
|
provider3()
|
|
|
|
# Test 4: to check the .args & .kwargs attributes
|
|
provider4 = providers.Callable(Animal)
|
|
args4: Tuple[Any] = provider4.args
|
|
kwargs4: Dict[str, Any] = provider4.kwargs
|
|
|
|
# Test 5: to check the provided instance interface
|
|
provider5 = providers.Callable(Animal)
|
|
provided5: providers.ProvidedInstance = provider5.provided
|
|
attr_getter5: providers.AttributeGetter = provider5.provided.attr
|
|
item_getter5: providers.ItemGetter = provider5.provided["item"]
|
|
method_caller: providers.MethodCaller = provider5.provided.method.call(123, arg=324)
|
|
|
|
# Test 6: to check the DelegatedCallable
|
|
provider6 = providers.DelegatedCallable(Cat)
|
|
animal6: Animal = provider6(1, 2, 3, b="1", c=2, e=0.0)
|
|
|
|
# Test 7: to check the AbstractCallable
|
|
provider7 = providers.AbstractCallable(Animal)
|
|
provider7.override(providers.Callable(Cat))
|
|
animal7: Animal = provider7(1, 2, 3, b="1", c=2, e=0.0)
|
|
|
|
# Test 8: to check the CallableDelegate __init__
|
|
provider8 = providers.CallableDelegate(providers.Callable(lambda: None))
|
|
|
|
# Test 9: to check the return type with await
|
|
provider9 = providers.Callable(Cat)
|
|
async def _async9() -> None:
|
|
animal1: Animal = await provider9(1, 2, 3, b="1", c=2, e=0.0) # type: ignore
|
|
animal2: Animal = await provider9.async_(1, 2, 3, b="1", c=2, e=0.0)
|
|
|
|
# Test 10: to check the .provides
|
|
provider10 = providers.Callable(Cat)
|
|
provides10: Optional[Callable[..., Cat]] = provider10.provides
|
|
assert provides10 is Cat
|
|
|
|
# Test 11: to check the .provides for explicit typevar
|
|
provider11 = providers.Callable[Animal](Cat)
|
|
provides11: Optional[Callable[..., Animal]] = provider11.provides
|
|
assert provides11 is Cat
|
|
|
|
# Test 12: to check string imports
|
|
provider12: providers.Callable[dict] = providers.Callable("builtins.dict")
|
|
provider12.set_provides("builtins.dict")
|