Files
2021-03-25 08:46:02 -07:00

52 lines
1.5 KiB
Python

# 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 unittest import TestCase
from opentelemetry.instrumentation.wsgi import CarrierGetter
class TestCarrierGetter(TestCase):
def test_get_none(self):
getter = CarrierGetter()
carrier = {}
val = getter.get(carrier, "test")
self.assertIsNone(val)
def test_get(self):
getter = CarrierGetter()
carrier = {"HTTP_TEST_KEY": "val"}
val = getter.get(carrier, "test-key")
self.assertEqual(val, ["val"])
def test_keys(self):
getter = CarrierGetter()
keys = getter.keys(
{
"HTTP_TEST_KEY": "val",
"HTTP_OTHER_KEY": 42,
"NON_HTTP_KEY": "val",
}
)
self.assertEqual(keys, ["test-key", "other-key"])
def test_keys_empty(self):
getter = CarrierGetter()
keys = getter.keys({})
self.assertEqual(keys, [])