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# type:ignore
import unittest
from unittest.mock import Mock, patch
import opentelemetry._events as events
from opentelemetry._events import (
get_event_logger_provider,
set_event_logger_provider,
)
from opentelemetry.test.globals_test import EventsGlobalsTest
class TestGlobals(EventsGlobalsTest, unittest.TestCase):
@patch("opentelemetry._events._logger")
def test_set_event_logger_provider(self, logger_mock):
elp_mock = Mock()
# pylint: disable=protected-access
self.assertIsNone(events._EVENT_LOGGER_PROVIDER)
set_event_logger_provider(elp_mock)
self.assertIs(events._EVENT_LOGGER_PROVIDER, elp_mock)
self.assertIs(get_event_logger_provider(), elp_mock)
logger_mock.warning.assert_not_called()
# pylint: disable=no-self-use
@patch("opentelemetry._events._logger")
def test_set_event_logger_provider_will_warn_second_call(
self, logger_mock
):
elp_mock = Mock()
set_event_logger_provider(elp_mock)
set_event_logger_provider(elp_mock)
logger_mock.warning.assert_called_once_with(
"Overriding of current EventLoggerProvider is not allowed"
)
def test_get_event_logger_provider(self):
# pylint: disable=protected-access
self.assertIsNone(events._EVENT_LOGGER_PROVIDER)
self.assertIsInstance(
get_event_logger_provider(), events.ProxyEventLoggerProvider
)
events._EVENT_LOGGER_PROVIDER = None
with patch.dict(
"os.environ",
{
"OTEL_PYTHON_EVENT_LOGGER_PROVIDER": "test_event_logger_provider"
},
):
with patch("opentelemetry._events._load_provider", Mock()):
with patch(
"opentelemetry._events.cast",
Mock(**{"return_value": "test_event_logger_provider"}),
):
self.assertEqual(
get_event_logger_provider(),
"test_event_logger_provider",
)
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