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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.
from importlib import reload
from os import environ
from unittest import TestCase
from unittest.mock import Mock, patch
from opentelemetry.util import _providers
class Test_Providers(TestCase): # pylint: disable=invalid-name
@patch.dict(
environ,
{ # type: ignore
"provider_environment_variable": "mock_provider_environment_variable"
},
)
@patch("opentelemetry.util._importlib_metadata.entry_points")
def test__providers(self, mock_entry_points):
reload(_providers)
mock_entry_points.configure_mock(
**{
"side_effect": [
[
Mock(
**{
"load.return_value": Mock(
**{"return_value": "a"}
)
}
),
],
]
}
)
self.assertEqual(
_providers._load_provider( # pylint: disable=protected-access
"provider_environment_variable", "provider"
),
"a",
)
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