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# Copyright (c) 2017 The OpenTracing Authors.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
from __future__ import absolute_import
from unittest import mock
import types
from opentracing.scope_manager import ScopeManager
from opentracing.tracer import Tracer
from opentracing.scope import Scope
from opentracing.span import Span, SpanContext
from opentracing import tags
from opentracing import logs
def test_scope_wrapper():
# ensure `Scope` wraps the `Span` argument
span = Span(tracer=Tracer(), context=SpanContext())
scope = Scope(ScopeManager, span)
assert scope.span == span
def test_scope_context_manager():
# ensure `Scope` can be used in a Context Manager that
# calls the `close()` method
span = Span(tracer=Tracer(), context=SpanContext())
scope = Scope(ScopeManager(), span)
with mock.patch.object(scope, 'close') as close:
with scope:
pass
assert close.call_count == 1
def test_scope_error_report():
tracer = Tracer()
scope = tracer.start_active_span('foo')
error_message = 'unexpected_situation'
with mock.patch.object(scope.span, 'log_kv') as log_kv:
with mock.patch.object(scope.span, 'set_tag') as set_tag:
try:
with scope:
raise ValueError(error_message)
except ValueError:
pass
assert set_tag.call_count == 1
assert set_tag.call_args[0] == (tags.ERROR, True)
assert log_kv.call_count == 1
log_kv_args = log_kv.call_args[0][0]
assert log_kv_args.get(logs.EVENT, None) is tags.ERROR
assert log_kv_args.get(logs.MESSAGE, None) is error_message
assert log_kv_args.get(logs.ERROR_KIND, None) is ValueError
assert isinstance(log_kv_args.get(logs.ERROR_OBJECT, None),
ValueError)
assert isinstance(log_kv_args.get(logs.STACK, None),
types.TracebackType)
def test_scope_exit_with_no_span():
# ensure `Scope.__exit__` doesn't fail with `AttributeError`
try:
with Scope(None, None):
raise ValueError
except ValueError:
pass
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