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# pylint: disable=W0212,W0222,W0221
import typing
import unittest
import opentelemetry._events as events
from opentelemetry.test.globals_test import EventsGlobalsTest
from opentelemetry.util.types import _ExtendedAttributes
class TestProvider(events.NoOpEventLoggerProvider):
def get_event_logger(
self,
name: str,
version: typing.Optional[str] = None,
schema_url: typing.Optional[str] = None,
attributes: typing.Optional[_ExtendedAttributes] = None,
) -> events.EventLogger:
return LoggerTest(name)
class LoggerTest(events.NoOpEventLogger):
def emit(self, event: events.Event) -> None:
pass
class TestProxy(EventsGlobalsTest, unittest.TestCase):
def test_proxy_logger(self):
provider = events.get_event_logger_provider()
# proxy provider
self.assertIsInstance(provider, events.ProxyEventLoggerProvider)
# provider returns proxy logger
event_logger = provider.get_event_logger("proxy-test")
self.assertIsInstance(event_logger, events.ProxyEventLogger)
# set a real provider
events.set_event_logger_provider(TestProvider())
# get_logger_provider() now returns the real provider
self.assertIsInstance(events.get_event_logger_provider(), TestProvider)
# logger provider now returns real instance
self.assertIsInstance(
events.get_event_logger_provider().get_event_logger("fresh"),
LoggerTest,
)
# references to the old provider still work but return real logger now
real_logger = provider.get_event_logger("proxy-test")
self.assertIsInstance(real_logger, LoggerTest)
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