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# Copyright The OpenTelemetry Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# pylint: disable=W0212,W0222,W0221
import typing
import unittest
import opentelemetry._logs._internal as _logs_internal
from opentelemetry import _logs
from opentelemetry.test.globals_test import LoggingGlobalsTest
from opentelemetry.util.types import _ExtendedAttributes
class TestProvider(_logs.NoOpLoggerProvider):
def get_logger(
self,
name: str,
version: typing.Optional[str] = None,
schema_url: typing.Optional[str] = None,
attributes: typing.Optional[_ExtendedAttributes] = None,
) -> _logs.Logger:
return LoggerTest(name)
class LoggerTest(_logs.NoOpLogger):
def emit(
self,
record: typing.Optional[_logs.LogRecord] = None,
*,
timestamp=None,
observed_timestamp=None,
context=None,
severity_number=None,
severity_text=None,
body=None,
attributes=None,
event_name=None,
) -> None:
pass
class TestProxy(LoggingGlobalsTest, unittest.TestCase):
def test_proxy_logger(self):
provider = _logs.get_logger_provider()
# proxy provider
self.assertIsInstance(provider, _logs_internal.ProxyLoggerProvider)
# provider returns proxy logger
logger = provider.get_logger("proxy-test")
self.assertIsInstance(logger, _logs_internal.ProxyLogger)
# set a real provider
_logs.set_logger_provider(TestProvider())
# get_logger_provider() now returns the real provider
self.assertIsInstance(_logs.get_logger_provider(), TestProvider)
# logger provider now returns real instance
self.assertIsInstance(
_logs.get_logger_provider().get_logger("fresh"), LoggerTest
)
# references to the old provider still work but return real logger now
real_logger = provider.get_logger("proxy-test")
self.assertIsInstance(real_logger, LoggerTest)
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