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# Copyright The OpenTracing 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 __future__ import absolute_import
import pytest
from unittest import mock
import opentracing
def teardown_function(function):
opentracing._reset_global_tracer()
def test_opentracing_tracer():
assert opentracing.tracer is opentracing.global_tracer()
assert isinstance(opentracing.global_tracer(), opentracing.Tracer)
def test_is_global_tracer_registered():
assert opentracing.is_global_tracer_registered() is False
def test_set_global_tracer():
tracer = mock.Mock()
opentracing.set_global_tracer(tracer)
assert opentracing.global_tracer() is tracer
assert opentracing.is_global_tracer_registered()
# Register another value.
tracer = mock.Mock()
opentracing.set_global_tracer(tracer)
assert opentracing.global_tracer() is tracer
assert opentracing.is_global_tracer_registered()
def test_register_none():
with pytest.raises(ValueError):
opentracing.set_global_tracer(None)
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