112 lines
3.8 KiB
Python
112 lines
3.8 KiB
Python
import logging
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from unittest.mock import Mock, patch
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import pytest
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from sanic.compat import OS_IS_WINDOWS, UVLOOP_INSTALLED
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from sanic.server import loop
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@pytest.mark.skipif(
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not OS_IS_WINDOWS,
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reason="Not testable with current client",
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)
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def test_raises_warning_if_os_is_windows(caplog):
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with caplog.at_level(logging.WARNING):
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loop.try_use_uvloop()
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for record in caplog.records:
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if record.message.startswith("You are trying to use"):
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break
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assert record.message == (
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"You are trying to use uvloop, but uvloop is not compatible "
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"with your system. You can disable uvloop completely by setting "
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"the 'USE_UVLOOP' configuration value to false, or simply not "
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"defining it and letting Sanic handle it for you. Sanic will now "
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"continue to run using the default event loop."
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)
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@pytest.mark.skipif(
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OS_IS_WINDOWS or UVLOOP_INSTALLED,
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reason="Not testable with current client",
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)
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def test_raises_warning_if_uvloop_not_installed(caplog):
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with caplog.at_level(logging.WARNING):
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loop.try_use_uvloop()
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for record in caplog.records:
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if record.message.startswith("You are trying to use"):
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break
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assert record.message == (
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"You are trying to use uvloop, but uvloop is not "
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"installed in your system. In order to use uvloop "
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"you must first install it. Otherwise, you can disable "
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"uvloop completely by setting the 'USE_UVLOOP' "
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"configuration value to false. Sanic will now continue "
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"to run with the default event loop."
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)
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@pytest.mark.skipif(
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OS_IS_WINDOWS or not UVLOOP_INSTALLED,
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reason="Not testable with current client",
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)
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def test_logs_when_install_and_runtime_config_mismatch(caplog, monkeypatch):
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getenv = Mock(return_value="no")
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monkeypatch.setattr(loop, "getenv", getenv)
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with caplog.at_level(logging.INFO):
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loop.try_use_uvloop()
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getenv.assert_called_once_with("SANIC_NO_UVLOOP", "no")
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assert caplog.record_tuples == []
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getenv = Mock(return_value="yes")
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monkeypatch.setattr(loop, "getenv", getenv)
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with caplog.at_level(logging.INFO):
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loop.try_use_uvloop()
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getenv.assert_called_once_with("SANIC_NO_UVLOOP", "no")
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for record in caplog.records:
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if record.message.startswith("You are requesting to run"):
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break
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assert record.message == (
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"You are requesting to run Sanic using uvloop, but the "
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"install-time 'SANIC_NO_UVLOOP' environment variable (used to "
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"opt-out of installing uvloop with Sanic) is set to true. If "
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"you want to prevent Sanic from overriding the event loop policy "
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"during runtime, set the 'USE_UVLOOP' configuration value to "
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"false."
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)
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@pytest.mark.skipif(
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OS_IS_WINDOWS or not UVLOOP_INSTALLED,
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reason="Not testable with current client",
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)
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def test_sets_loop_policy_only_when_not_already_set(monkeypatch):
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import uvloop # type: ignore
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# Existing policy is not uvloop.EventLoopPolicy
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get_event_loop_policy = Mock(return_value=None)
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monkeypatch.setattr(loop.asyncio, "get_event_loop_policy", get_event_loop_policy)
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with patch("asyncio.set_event_loop_policy") as set_event_loop_policy:
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loop.try_use_uvloop()
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set_event_loop_policy.assert_called_once()
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args, _ = set_event_loop_policy.call_args
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policy = args[0]
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assert isinstance(policy, uvloop.EventLoopPolicy)
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# Existing policy is uvloop.EventLoopPolicy
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get_event_loop_policy = Mock(return_value=policy)
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monkeypatch.setattr(loop.asyncio, "get_event_loop_policy", get_event_loop_policy)
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with patch("asyncio.set_event_loop_policy") as set_event_loop_policy:
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loop.try_use_uvloop()
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set_event_loop_policy.assert_not_called()
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