python-dependency-injector/tests/unit/containers/test_dynamic_async_resources_py36.py

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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
2021-01-11 03:26:15 +03:00
"""Dependency injector dynamic container unit tests for async resources."""
import unittest2 as unittest
# Runtime import to get asyncutils module
import os
_TOP_DIR = os.path.abspath(
os.path.sep.join((
os.path.dirname(__file__),
'../',
)),
)
import sys
sys.path.append(_TOP_DIR)
from asyncutils import AsyncTestCase
from dependency_injector import (
containers,
providers,
)
class AsyncResourcesTest(AsyncTestCase):
@unittest.skipIf(sys.version_info[:2] <= (3, 5), 'Async test')
def test_async_init_resources(self):
async def _init1():
_init1.init_counter += 1
yield
_init1.shutdown_counter += 1
_init1.init_counter = 0
_init1.shutdown_counter = 0
async def _init2():
_init2.init_counter += 1
yield
_init2.shutdown_counter += 1
_init2.init_counter = 0
_init2.shutdown_counter = 0
class Container(containers.DeclarativeContainer):
resource1 = providers.Resource(_init1)
resource2 = providers.Resource(_init2)
container = Container()
self.assertEqual(_init1.init_counter, 0)
self.assertEqual(_init1.shutdown_counter, 0)
self.assertEqual(_init2.init_counter, 0)
self.assertEqual(_init2.shutdown_counter, 0)
self._run(container.init_resources())
self.assertEqual(_init1.init_counter, 1)
self.assertEqual(_init1.shutdown_counter, 0)
self.assertEqual(_init2.init_counter, 1)
self.assertEqual(_init2.shutdown_counter, 0)
self._run(container.shutdown_resources())
self.assertEqual(_init1.init_counter, 1)
self.assertEqual(_init1.shutdown_counter, 1)
self.assertEqual(_init2.init_counter, 1)
self.assertEqual(_init2.shutdown_counter, 1)
self._run(container.init_resources())
self._run(container.shutdown_resources())
self.assertEqual(_init1.init_counter, 2)
self.assertEqual(_init1.shutdown_counter, 2)
self.assertEqual(_init2.init_counter, 2)
self.assertEqual(_init2.shutdown_counter, 2)