mirror of
https://github.com/ets-labs/python-dependency-injector.git
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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
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from dependency_injector import providers
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class Animal:
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...
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class Cat(Animal):
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@classmethod
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def create(cls) -> Animal:
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return cls()
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# Test 1: to check the return type (class)
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provider1 = providers.Callable(Cat)
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animal1: Animal = provider1(1, 2, 3, b="1", c=2, e=0.0)
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# Test 2: to check the return type (class factory method)
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provider2 = providers.Callable(Cat.create)
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animal2: Animal = provider2()
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# Test 3: to check the .override() method
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provider3 = providers.Callable(Animal)
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with provider3.override(providers.Callable(Cat)):
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provider3()
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# Test 4: to check the .args & .kwargs attributes
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provider4 = providers.Callable(Animal)
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args4: Tuple[Any] = provider4.args
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kwargs4: Dict[str, Any] = provider4.kwargs
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# Test 5: to check the provided instance interface
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provider5 = providers.Callable(Animal)
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provided5: providers.ProvidedInstance = provider5.provided
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attr_getter5: providers.AttributeGetter = provider5.provided.attr
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item_getter5: providers.ItemGetter = provider5.provided["item"]
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method_caller: providers.MethodCaller = provider5.provided.method.call(123, arg=324)
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# Test 6: to check the DelegatedCallable
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provider6 = providers.DelegatedCallable(Cat)
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animal6: Animal = provider6(1, 2, 3, b="1", c=2, e=0.0)
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# Test 7: to check the AbstractCallable
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provider7 = providers.AbstractCallable(Animal)
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provider7.override(providers.Callable(Cat))
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animal7: Animal = provider7(1, 2, 3, b="1", c=2, e=0.0)
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# Test 8: to check the CallableDelegate __init__
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provider8 = providers.CallableDelegate(providers.Callable(lambda: None))
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# Test 9: to check the return type with await
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provider9 = providers.Callable(Cat)
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async def _async9() -> None:
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animal1: Animal = await provider9(1, 2, 3, b="1", c=2, e=0.0) # type: ignore
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animal2: Animal = await provider9.async_(1, 2, 3, b="1", c=2, e=0.0)
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# Test 10: to check the .provides
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provider10 = providers.Callable(Cat)
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provides10: Optional[Callable[..., Cat]] = provider10.provides
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assert provides10 is Cat
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# Test 11: to check the .provides for explicit typevar
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provider11 = providers.Callable[Animal](Cat)
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provides11: Optional[Callable[..., Animal]] = provider11.provides
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assert provides11 is Cat
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# Test 12: to check string imports
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provider12: providers.Callable[dict] = providers.Callable("builtins.dict")
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provider12.set_provides("builtins.dict")
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