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https://github.com/open-telemetry/opentelemetry-python-contrib.git
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287 lines
10 KiB
Python
287 lines
10 KiB
Python
# Copyright The OpenTelemetry Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import typing
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from unittest import mock
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import httpretty
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import urllib3
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import urllib3.exceptions
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from opentelemetry import context, trace
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from opentelemetry.instrumentation.urllib3 import URLLib3Instrumentor
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from opentelemetry.propagate import get_global_textmap, set_global_textmap
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from opentelemetry.test.mock_textmap import MockTextMapPropagator
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from opentelemetry.test.test_base import TestBase
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# pylint: disable=too-many-public-methods
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class TestURLLib3Instrumentor(TestBase):
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HTTP_URL = "http://httpbin.org/status/200"
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HTTPS_URL = "https://httpbin.org/status/200"
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def setUp(self):
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super().setUp()
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URLLib3Instrumentor().instrument()
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httpretty.enable(allow_net_connect=False)
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httpretty.register_uri(httpretty.GET, self.HTTP_URL, body="Hello!")
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httpretty.register_uri(httpretty.GET, self.HTTPS_URL, body="Hello!")
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def tearDown(self):
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super().tearDown()
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URLLib3Instrumentor().uninstrument()
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httpretty.disable()
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httpretty.reset()
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def assert_span(self, exporter=None, num_spans=1):
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if exporter is None:
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exporter = self.memory_exporter
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span_list = exporter.get_finished_spans()
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self.assertEqual(num_spans, len(span_list))
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if num_spans == 0:
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return None
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if num_spans == 1:
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return span_list[0]
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return span_list
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def assert_success_span(
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self, response: urllib3.response.HTTPResponse, url: str
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):
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self.assertEqual(b"Hello!", response.data)
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span = self.assert_span()
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self.assertIs(trace.SpanKind.CLIENT, span.kind)
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self.assertEqual("HTTP GET", span.name)
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attributes = {
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"http.method": "GET",
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"http.url": url,
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"http.status_code": 200,
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}
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self.assertEqual(attributes, span.attributes)
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def assert_exception_span(self, url: str):
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span = self.assert_span()
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attributes = {
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"http.method": "GET",
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"http.url": url,
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}
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self.assertEqual(attributes, span.attributes)
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self.assertEqual(
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trace.status.StatusCode.ERROR, span.status.status_code
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)
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@staticmethod
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def perform_request(
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url: str, headers: typing.Mapping = None, retries: urllib3.Retry = None
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) -> urllib3.response.HTTPResponse:
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if retries is None:
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retries = urllib3.Retry.from_int(0)
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pool = urllib3.PoolManager()
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return pool.request("GET", url, headers=headers, retries=retries)
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def test_basic_http_success(self):
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response = self.perform_request(self.HTTP_URL)
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self.assert_success_span(response, self.HTTP_URL)
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def test_basic_http_success_using_connection_pool(self):
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pool = urllib3.HTTPConnectionPool("httpbin.org")
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response = pool.request("GET", "/status/200")
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self.assert_success_span(response, self.HTTP_URL)
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def test_basic_https_success(self):
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response = self.perform_request(self.HTTPS_URL)
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self.assert_success_span(response, self.HTTPS_URL)
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def test_basic_https_success_using_connection_pool(self):
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pool = urllib3.HTTPSConnectionPool("httpbin.org")
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response = pool.request("GET", "/status/200")
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self.assert_success_span(response, self.HTTPS_URL)
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def test_basic_not_found(self):
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url_404 = "http://httpbin.org/status/404"
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httpretty.register_uri(httpretty.GET, url_404, status=404)
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response = self.perform_request(url_404)
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self.assertEqual(404, response.status)
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span = self.assert_span()
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self.assertEqual(404, span.attributes.get("http.status_code"))
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self.assertIs(trace.status.StatusCode.ERROR, span.status.status_code)
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def test_basic_http_non_default_port(self):
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url = "http://httpbin.org:666/status/200"
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httpretty.register_uri(httpretty.GET, url, body="Hello!")
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response = self.perform_request(url)
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self.assert_success_span(response, url)
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def test_basic_http_absolute_url(self):
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url = "http://httpbin.org:666/status/200"
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httpretty.register_uri(httpretty.GET, url, body="Hello!")
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pool = urllib3.HTTPConnectionPool("httpbin.org", port=666)
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response = pool.request("GET", url)
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self.assert_success_span(response, url)
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def test_url_open_explicit_arg_parameters(self):
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url = "http://httpbin.org:666/status/200"
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httpretty.register_uri(httpretty.GET, url, body="Hello!")
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pool = urllib3.HTTPConnectionPool("httpbin.org", port=666)
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response = pool.urlopen(method="GET", url="/status/200")
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self.assert_success_span(response, url)
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def test_uninstrument(self):
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URLLib3Instrumentor().uninstrument()
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response = self.perform_request(self.HTTP_URL)
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self.assertEqual(b"Hello!", response.data)
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self.assert_span(num_spans=0)
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# instrument again to avoid warning message on tearDown
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URLLib3Instrumentor().instrument()
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def test_suppress_instrumntation(self):
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suppression_keys = (
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"suppress_instrumentation",
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"suppress_http_instrumentation",
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)
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for key in suppression_keys:
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self.memory_exporter.clear()
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with self.subTest(key=key):
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token = context.attach(context.set_value(key, True))
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try:
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response = self.perform_request(self.HTTP_URL)
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self.assertEqual(b"Hello!", response.data)
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finally:
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context.detach(token)
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self.assert_span(num_spans=0)
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def test_context_propagation(self):
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previous_propagator = get_global_textmap()
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try:
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set_global_textmap(MockTextMapPropagator())
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response = self.perform_request(self.HTTP_URL)
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self.assertEqual(b"Hello!", response.data)
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span = self.assert_span()
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headers = dict(httpretty.last_request().headers)
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self.assertIn(MockTextMapPropagator.TRACE_ID_KEY, headers)
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self.assertEqual(
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headers[MockTextMapPropagator.TRACE_ID_KEY],
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str(span.get_span_context().trace_id),
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)
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self.assertIn(MockTextMapPropagator.SPAN_ID_KEY, headers)
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self.assertEqual(
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headers[MockTextMapPropagator.SPAN_ID_KEY],
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str(span.get_span_context().span_id),
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)
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finally:
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set_global_textmap(previous_propagator)
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def test_custom_tracer_provider(self):
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tracer_provider, exporter = self.create_tracer_provider()
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tracer_provider = mock.Mock(wraps=tracer_provider)
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URLLib3Instrumentor().uninstrument()
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URLLib3Instrumentor().instrument(tracer_provider=tracer_provider)
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response = self.perform_request(self.HTTP_URL)
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self.assertEqual(b"Hello!", response.data)
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self.assert_span(exporter=exporter)
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self.assertEqual(1, tracer_provider.get_tracer.call_count)
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@mock.patch(
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"urllib3.connectionpool.HTTPConnectionPool._make_request",
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side_effect=urllib3.exceptions.ConnectTimeoutError,
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)
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def test_request_exception(self, _):
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with self.assertRaises(urllib3.exceptions.ConnectTimeoutError):
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self.perform_request(
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self.HTTP_URL, retries=urllib3.Retry(connect=False)
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)
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self.assert_exception_span(self.HTTP_URL)
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@mock.patch(
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"urllib3.connectionpool.HTTPConnectionPool._make_request",
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side_effect=urllib3.exceptions.ProtocolError,
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)
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def test_retries_do_not_create_spans(self, _):
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with self.assertRaises(urllib3.exceptions.MaxRetryError):
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self.perform_request(self.HTTP_URL, retries=urllib3.Retry(1))
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# expect only a single span (retries are ignored)
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self.assert_exception_span(self.HTTP_URL)
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def test_span_name_callback(self):
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def span_name_callback(method, url, headers):
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self.assertEqual("GET", method)
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self.assertEqual(self.HTTP_URL, url)
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self.assertEqual({"key": "value"}, headers)
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return "test_span_name"
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URLLib3Instrumentor().uninstrument()
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URLLib3Instrumentor().instrument(span_name=span_name_callback)
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response = self.perform_request(
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self.HTTP_URL, headers={"key": "value"}
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)
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self.assertEqual(b"Hello!", response.data)
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span = self.assert_span()
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self.assertEqual("test_span_name", span.name)
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def test_span_name_callback_invalid(self):
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invalid_span_names = (None, 123, "")
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for span_name in invalid_span_names:
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self.memory_exporter.clear()
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# pylint: disable=unused-argument
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def span_name_callback(method, url, headers):
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return span_name # pylint: disable=cell-var-from-loop
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URLLib3Instrumentor().uninstrument()
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URLLib3Instrumentor().instrument(span_name=span_name_callback)
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with self.subTest(span_name=span_name):
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response = self.perform_request(self.HTTP_URL)
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self.assertEqual(b"Hello!", response.data)
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span = self.assert_span()
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self.assertEqual("HTTP GET", span.name)
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def test_url_filter(self):
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def url_filter(url):
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return url.split("?")[0]
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URLLib3Instrumentor().uninstrument()
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URLLib3Instrumentor().instrument(url_filter=url_filter)
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response = self.perform_request(self.HTTP_URL + "?e=mcc")
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self.assert_success_span(response, self.HTTP_URL)
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