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* Add pytest and pytest-asyncio to the requirements * Update aiohttp ext test * Update setup.cfg * Update tox.ini * Add pytest to the tox requirements * Update tox.ini * Move configuration to tox.ini * Add pytest configs * Rename pytest-py34-py35.ini -> pytest-py35.ini * Update config file paths * Update makefile * Migrate common tests to pytest * Migrate FastAPI and Flask wiring tests * Rename flask and fastapi wiring test files * Move wiring autoloader tests * Add pytest-asyncio to the tox.ini * Migrate wiring async injection tests * Migrate main wiring tests * Migrate wiring string module and package names tests * Migrate wiring config tests * Migrate misc wiring tests * Update tests structure * Migrate misc wiring tests * Refactor container.from_schema() API tests * Migrate container.from_schema() integration tests * Rename schema samples * Update sample imports * Migrate container tests * Refactor container tests * Migrate container self tests * Migrate container instance tests * Migrate container custom string attribute name tests * Migrate container async resource tests * Fix py2 container tests * Migrate container cls tests * Migrate container class custom string cls as atrribute name tests * Migrate ext.aiohttp tests * Migrate ext.flasks tests * Update ext package tests doc block * Migrate provider utils tests * Migrate Factory async mode tests * Migrate async tests * Rename common test module * Refactor asserts in provider tests * Migrate factory tests * Migrate selector provider tests * Migrate object provider tests * Migrate self provider tests * Migrate delegate provider tests * Migrate provider tests * Migrate dependency provider tests * Migrate dependencies container provider tests * Fix warnings * Migrate list provider tests * Migrate dict provider tests * Migrate callable tests * Migrate injection tests * Migrate container provider tests * Migrate coroutine providers * Migrate traversal tests * Migrate resource tests * Migrate configuration tests * Migrate provided instance provider tests * Update doc blocks and imports * Migrate singleton tests * Update changelog and cosmetic fixes
148 lines
4.3 KiB
Python
148 lines
4.3 KiB
Python
"""Tests for container async resources."""
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import asyncio
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from dependency_injector import containers, providers
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from pytest import mark, raises
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@mark.asyncio
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async def test_init_and_shutdown_ordering():
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"""Test init and shutdown resources.
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Methods .init_resources() and .shutdown_resources() should respect resources dependencies.
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Initialization should first initialize resources without dependencies and then provide
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these resources to other resources. Resources shutdown should follow the same rule: first
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shutdown resources without initialized dependencies and then continue correspondingly
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until all resources are shutdown.
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"""
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initialized_resources = []
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shutdown_resources = []
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async def _resource(name, delay, **_):
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await asyncio.sleep(delay)
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initialized_resources.append(name)
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yield name
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await asyncio.sleep(delay)
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shutdown_resources.append(name)
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class Container(containers.DeclarativeContainer):
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resource1 = providers.Resource(
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_resource,
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name="r1",
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delay=0.03,
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)
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resource2 = providers.Resource(
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_resource,
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name="r2",
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delay=0.02,
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r1=resource1,
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)
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resource3 = providers.Resource(
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_resource,
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name="r3",
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delay=0.01,
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r2=resource2,
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)
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container = Container()
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await container.init_resources()
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assert initialized_resources == ["r1", "r2", "r3"]
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assert shutdown_resources == []
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await container.shutdown_resources()
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assert initialized_resources == ["r1", "r2", "r3"]
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assert shutdown_resources == ["r3", "r2", "r1"]
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await container.init_resources()
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assert initialized_resources == ["r1", "r2", "r3", "r1", "r2", "r3"]
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assert shutdown_resources == ["r3", "r2", "r1"]
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await container.shutdown_resources()
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assert initialized_resources == ["r1", "r2", "r3", "r1", "r2", "r3"]
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assert shutdown_resources == ["r3", "r2", "r1", "r3", "r2", "r1"]
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@mark.asyncio
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async def test_shutdown_circular_dependencies_breaker():
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async def _resource(name, **_):
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yield name
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class Container(containers.DeclarativeContainer):
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resource1 = providers.Resource(
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_resource,
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name="r1",
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)
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resource2 = providers.Resource(
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_resource,
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name="r2",
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r1=resource1,
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)
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resource3 = providers.Resource(
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_resource,
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name="r3",
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r2=resource2,
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)
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container = Container()
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await container.init_resources()
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# Create circular dependency after initialization (r3 -> r2 -> r1 -> r3 -> ...)
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container.resource1.add_kwargs(r3=container.resource3)
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with raises(RuntimeError, match="Unable to resolve resources shutdown order"):
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await container.shutdown_resources()
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@mark.asyncio
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async def test_shutdown_sync_and_async_ordering():
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initialized_resources = []
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shutdown_resources = []
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def _sync_resource(name, **_):
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initialized_resources.append(name)
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yield name
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shutdown_resources.append(name)
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async def _async_resource(name, **_):
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initialized_resources.append(name)
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yield name
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shutdown_resources.append(name)
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class Container(containers.DeclarativeContainer):
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resource1 = providers.Resource(
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_sync_resource,
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name="r1",
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)
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resource2 = providers.Resource(
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_sync_resource,
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name="r2",
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r1=resource1,
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)
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resource3 = providers.Resource(
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_async_resource,
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name="r3",
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r2=resource2,
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)
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container = Container()
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await container.init_resources()
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assert initialized_resources == ["r1", "r2", "r3"]
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assert shutdown_resources == []
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await container.shutdown_resources()
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assert initialized_resources == ["r1", "r2", "r3"]
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assert shutdown_resources == ["r3", "r2", "r1"]
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await container.init_resources()
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assert initialized_resources == ["r1", "r2", "r3", "r1", "r2", "r3"]
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assert shutdown_resources == ["r3", "r2", "r1"]
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await container.shutdown_resources()
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assert initialized_resources == ["r1", "r2", "r3", "r1", "r2", "r3"]
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assert shutdown_resources == ["r3", "r2", "r1", "r3", "r2", "r1"]
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