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39 lines
850 B
Python
39 lines
850 B
Python
"""DelegatedSingleton provider async mode tests."""
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import asyncio
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from dependency_injector import providers
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from pytest import mark
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@mark.asyncio
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async def test_async_mode():
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instance = object()
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async def create_instance():
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return instance
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provider = providers.DelegatedSingleton(create_instance)
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instance1 = await provider()
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instance2 = await provider()
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assert instance1 is instance2
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assert instance1 is instance
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assert instance2 is instance
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@mark.asyncio
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async def test_concurrent_init():
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async def create_instance():
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return object()
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provider = providers.DelegatedSingleton(create_instance)
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future_instance1 = provider()
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future_instance2 = provider()
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instance1, instance2 = await asyncio.gather(future_instance1, future_instance2)
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assert instance1 is instance2
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