mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-25 11:04:01 +03:00
58 lines
1.3 KiB
Python
58 lines
1.3 KiB
Python
"""Test utils."""
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import asyncio
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import contextlib
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import sys
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import gc
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import unittest
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def run(main):
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loop = asyncio.get_event_loop()
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return loop.run_until_complete(main)
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def setup_test_loop(
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loop_factory=asyncio.new_event_loop
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) -> asyncio.AbstractEventLoop:
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loop = loop_factory()
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try:
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module = loop.__class__.__module__
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skip_watcher = "uvloop" in module
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except AttributeError: # pragma: no cover
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# Just in case
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skip_watcher = True
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asyncio.set_event_loop(loop)
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if sys.platform != "win32" and not skip_watcher:
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policy = asyncio.get_event_loop_policy()
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watcher = asyncio.SafeChildWatcher() # type: ignore
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watcher.attach_loop(loop)
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with contextlib.suppress(NotImplementedError):
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policy.set_child_watcher(watcher)
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return loop
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def teardown_test_loop(loop: asyncio.AbstractEventLoop, fast: bool = False) -> None:
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closed = loop.is_closed()
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if not closed:
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loop.call_soon(loop.stop)
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loop.run_forever()
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loop.close()
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if not fast:
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gc.collect()
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asyncio.set_event_loop(None)
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class AsyncTestCase(unittest.TestCase):
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def setUp(self):
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self.loop = setup_test_loop()
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def tearDown(self):
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teardown_test_loop(self.loop)
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def _run(self, f):
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return self.loop.run_until_complete(f)
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