mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2025-11-24 20:05:50 +03:00
87 lines
2.5 KiB
Python
87 lines
2.5 KiB
Python
from typing import Any, Callable, Dict, Optional, Tuple
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from typing_extensions import assert_type
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from dependency_injector import providers
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class Animal: ...
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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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cat1 = provider1(1, 2, 3, b="1", c=2, e=0.0)
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assert_type(cat1, Cat)
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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 = provider2()
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assert_type(animal2, Animal)
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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 = provider4.args
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kwargs4 = provider4.kwargs
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assert_type(args4, Tuple[Any])
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assert_type(kwargs4, Dict[str, Any])
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# Test 5: to check the provided instance interface
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provider5 = providers.Callable(Animal)
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provided_val5 = provider5.provided()
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attr_getter5 = provider5.provided.attr
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item_getter5 = provider5.provided["item"]
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method_caller5 = provider5.provided.method.call(123, arg=324)
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assert_type(provided_val5, Any)
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assert_type(attr_getter5, providers.AttributeGetter)
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assert_type(item_getter5, providers.ItemGetter)
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assert_type(method_caller5, providers.MethodCaller)
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# Test 6: to check the DelegatedCallable
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provider6 = providers.DelegatedCallable(Cat)
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cat6 = provider6(1, 2, 3, b="1", c=2, e=0.0)
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assert_type(cat6, Cat)
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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 = provider7(1, 2, 3, b="1", c=2, e=0.0)
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assert_type(animal7, Animal)
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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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await provider9(1, 2, 3, b="1", c=2, e=0.0) # type: ignore[misc]
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cat9 = await provider9.async_(1, 2, 3, b="1", c=2, e=0.0)
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assert_type(cat9, Cat)
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# Test 10: to check the .provides
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provider10 = providers.Callable(Cat)
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provides10 = provider10.provides
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assert_type(provides10, Optional[Callable[..., 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 = provider11.provides
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assert_type(provides11, Optional[Callable[..., Animal]])
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# Test 12: to check string imports
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provider12 = providers.Callable("builtins.dict")
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provider12.set_provides("builtins.dict")
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