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Fixes #2457
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126 changes: 126 additions & 0 deletions
126
propagator/opentelemetry-propagator-aws-xray/tests/test_aws_xray_lambda_propagator.py
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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 os import environ | ||
from unittest import TestCase | ||
from unittest.mock import patch | ||
|
||
from requests.structures import CaseInsensitiveDict | ||
|
||
from opentelemetry.context import get_current | ||
from opentelemetry.propagators.aws.aws_xray_propagator import ( | ||
TRACE_HEADER_KEY, | ||
AwsXrayLambdaPropagator, | ||
) | ||
from opentelemetry.propagators.textmap import DefaultGetter | ||
from opentelemetry.sdk.trace import ReadableSpan | ||
from opentelemetry.trace import Link, TraceState, get_current_span | ||
|
||
|
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class AwsXRayLambdaPropagatorTest(TestCase): | ||
|
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@patch.dict( | ||
environ, | ||
{ | ||
"_X_AMZN_TRACE_ID": ( | ||
"Root=1-00000001-d188f8fa79d48a391a778fa6;" | ||
"Parent=53995c3f42cd8ad8;Sampled=1;Foo=Bar" | ||
) | ||
}, | ||
) | ||
def test_extract_from_environment_variable(self): | ||
propagator = AwsXrayLambdaPropagator() | ||
|
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default_getter = DefaultGetter() | ||
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actual_context = get_current_span( | ||
propagator.extract( | ||
{}, context=get_current(), getter=default_getter | ||
) | ||
).get_span_context() | ||
|
||
self.assertEqual( | ||
hex(actual_context.trace_id), "0x1d188f8fa79d48a391a778fa6" | ||
) | ||
self.assertEqual(hex(actual_context.span_id), "0x53995c3f42cd8ad8") | ||
self.assertTrue( | ||
actual_context.trace_flags.sampled, | ||
) | ||
self.assertEqual(actual_context.trace_state, TraceState.get_default()) | ||
|
||
@patch.dict( | ||
environ, | ||
{ | ||
"_X_AMZN_TRACE_ID": ( | ||
"Root=1-00000002-240000000000000000000002;" | ||
"Parent=1600000000000002;Sampled=1;Foo=Bar" | ||
) | ||
}, | ||
) | ||
def test_add_link_from_environment_variable(self): | ||
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propagator = AwsXrayLambdaPropagator() | ||
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default_getter = DefaultGetter() | ||
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carrier = CaseInsensitiveDict( | ||
{ | ||
TRACE_HEADER_KEY: ( | ||
"Root=1-00000001-240000000000000000000001;" | ||
"Parent=1600000000000001;Sampled=1" | ||
) | ||
} | ||
) | ||
|
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extracted_context = propagator.extract( | ||
carrier, context=get_current(), getter=default_getter | ||
) | ||
|
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link_context = propagator.extract( | ||
carrier, context=extracted_context, getter=default_getter | ||
) | ||
|
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span = ReadableSpan( | ||
"test", parent=extracted_context, links=[Link(link_context)] | ||
) | ||
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span_parent_context = get_current_span(span.parent).get_span_context() | ||
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self.assertEqual( | ||
hex(span_parent_context.trace_id), "0x2240000000000000000000002" | ||
) | ||
self.assertEqual( | ||
hex(span_parent_context.span_id), "0x1600000000000002" | ||
) | ||
self.assertTrue( | ||
span_parent_context.trace_flags.sampled, | ||
) | ||
self.assertEqual( | ||
span_parent_context.trace_state, TraceState.get_default() | ||
) | ||
|
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span_link_context = get_current_span( | ||
span.links[0].context | ||
).get_span_context() | ||
|
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self.assertEqual( | ||
hex(span_link_context.trace_id), "0x1240000000000000000000001" | ||
) | ||
self.assertEqual(hex(span_link_context.span_id), "0x1600000000000001") | ||
self.assertTrue( | ||
span_link_context.trace_flags.sampled, | ||
) | ||
self.assertEqual( | ||
span_link_context.trace_state, TraceState.get_default() | ||
) |