python-dependency-injector/tests/typing/selector.py
Roman Mogylatov feed916f46
Async resources and injections (#352)
* Add support of async injections into wiring

* Add support of async functions and async generators for resources

* Update resource provider typing stub for stutdown

* Add resource base class for async resources

* Fix tests

* Add tests for async injections in wiring @inject

* Refactor provider tests

* Add tests for async resources

* Rework async resources callbacks to .add_done_callback() style (fixes pypy3 issue)

* Add awaits into async resource class test

* Refactor FastAPI tests

* Implement async resources initialization in container

* Move container async resource tests to a separate module for Python 3.6+

* Fix init async resources in container on Python 2

* Add first dirty async injections implementation

* Fix isawaitable error

* Turm asyncio import to conditional for safer Py2 usage

* Refactor kwargs injections

* Implement positional injections, add tests and make refactoring

* Implement attribute injections and add tests

* Add singleton implementation + tests for all singleton types

* Implement injections in thread-local and thread-safe singleton providers

* Update .provided + fix resource concurent initialization issue

* Implement async mode for Dependency provider

* Add async mode for the provider

* Add overload for Factory typing

* Add typing stubs for async resource

* Refactor abstract* providers __call__()

* Add async mode API + tests

* Add typing stubs & tests for async mode API

* Add tests for async mode auto configuration

* Refactor Provider.__call__() to use async mode api

* Refactor Dependency provider to use async mode api

* Add tests for Dependency provider async mode

* Add support of async mode for FactoryAggregate provider + tests

* Refactor Singleton provider to use async mode api

* Refactor ThreadSafeSingleton provider to use async mode api

* Refactor ThreadLocalSingleton provider to use async mode api

* Finish Singleton refactoring to use async mode api

* Refactor Resource provider to use async mode api

* Add Provider.async_() method + tests

* Add typing stubs for async_() method + tests

* Refactor Singleton typing stubs to return singleton from argument methods

* Refactor provider typing stubs

* Improve resource typing stub

* Add tests for async context kwargs injections

* Fix typo in resource provider tests

* Cover shutdown of not initialized resource

* Add test to cover resource initialization with an error

* Fix Singleton and ThreadLocalSingleton to handle initialization errors

* Add FastAPI + Redis example

* Make cosmetic fixes to FastAPI + Redis example

* Add missing development requirements

* Update module docblock in fastapi + redis example

* Add FastAPI + Redis example docs

* Add references to FastAPI + Redis example

* Refactor resource docs

* Add asynchronous resources docs

* Refactor wiring docs

* Add async injections docs for wiring

* Add async injections page and update docs index, readme, and key features pages

* Add providers async injections example

* Add docs on provider async mode enabling

* Reword async provider docs

* Add provider async mode docs

* Add cross links to async docs

* Mute flake8 errors in async provider examples

* Update changelog

* Make cosmetic fix to containers.pyx
2021-01-10 19:26:15 -05:00

42 lines
1.1 KiB
Python

from typing import Any
from dependency_injector import providers
# Test 1: to check the return type
provider1 = providers.Selector(
lambda: 'a',
a=providers.Factory(object),
b=providers.Factory(object),
)
var1: Any = provider1()
# Test 2: to check the provided instance interface
provider2 = providers.Selector(
lambda: 'a',
a=providers.Factory(object),
b=providers.Factory(object),
)
provided2: providers.ProvidedInstance = provider2.provided
attr_getter2: providers.AttributeGetter = provider2.provided.attr
item_getter2: providers.ItemGetter = provider2.provided['item']
method_caller2: providers.MethodCaller = provider2.provided.method.call(123, arg=324)
# Test3 to check the getattr
provider3 = providers.Selector(
lambda: 'a',
a=providers.Factory(object),
b=providers.Factory(object),
)
attr3: providers.Provider = provider3.a
# Test 4: to check the return type with await
provider4 = providers.Selector(
lambda: 'a',
a=providers.Factory(object),
b=providers.Factory(object),
)
async def _async4() -> None:
var1: Any = await provider4() # type: ignore
var2: Any = await provider4.async_()