python-dependency-injector/tests/typing/resource.py
2022-12-18 15:19:53 -05:00

105 lines
2.4 KiB
Python

from typing import List, Iterator, Generator, AsyncIterator, AsyncGenerator, Optional
from dependency_injector import providers, resources
# Test 1: to check the return type with function
def init1() -> List[int]:
return []
provider1 = providers.Resource(init1)
var1: List[int] = provider1()
# Test 2: to check the return type with iterator
def init2() -> Iterator[List[int]]:
yield []
provider2 = providers.Resource(init2)
var2: List[int] = provider2()
# Test 3: to check the return type with generator
def init3() -> Generator[List[int], None, None]:
yield []
provider3 = providers.Resource(init3)
var3: List[int] = provider3()
# Test 4: to check the return type with resource subclass
class MyResource4(resources.Resource[List[int]]):
def init(self, *args, **kwargs) -> List[int]:
return []
def shutdown(self, resource: Optional[List[int]]) -> None:
...
provider4 = providers.Resource(MyResource4)
var4: List[int] = provider4()
# Test 5: to check the return type with async function
async def init5() -> List[int]:
return []
provider5 = providers.Resource(init5)
async def _provide5() -> None:
var1: List[int] = await provider5() # type: ignore
var2: List[int] = await provider5.async_()
# Test 6: to check the return type with async iterator
async def init6() -> AsyncIterator[List[int]]:
yield []
provider6 = providers.Resource(init6)
async def _provide6() -> None:
var1: List[int] = await provider6() # type: ignore
var2: List[int] = await provider6.async_()
# Test 7: to check the return type with async generator
async def init7() -> AsyncGenerator[List[int], None]:
yield []
provider7 = providers.Resource(init7)
async def _provide7() -> None:
var1: List[int] = await provider7() # type: ignore
var2: List[int] = await provider7.async_()
# Test 8: to check the return type with async resource subclass
class MyResource8(resources.AsyncResource[List[int]]):
async def init(self, *args, **kwargs) -> List[int]:
return []
async def shutdown(self, resource: Optional[List[int]]) -> None:
...
provider8 = providers.Resource(MyResource8)
async def _provide8() -> None:
var1: List[int] = await provider8() # type: ignore
var2: List[int] = await provider8.async_()
# Test 9: to check string imports
provider9: providers.Resource[dict] = providers.Resource("builtins.dict")
provider9.set_provides("builtins.dict")