308 lines
10 KiB
Python
308 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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from unittest import mock
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import httpretty
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import requests
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import opentelemetry.instrumentation.requests
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from opentelemetry import context, propagators, trace
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from opentelemetry.instrumentation.requests import RequestsInstrumentor
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from opentelemetry.sdk import resources
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from opentelemetry.test.mock_httptextformat import MockHTTPTextFormat
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from opentelemetry.test.test_base import TestBase
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from opentelemetry.trace.status import StatusCanonicalCode
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class TestRequestsIntegration(TestBase):
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URL = "http://httpbin.org/status/200"
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def setUp(self):
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super().setUp()
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RequestsInstrumentor().instrument()
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httpretty.enable()
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httpretty.register_uri(
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httpretty.GET, self.URL, body="Hello!",
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)
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def tearDown(self):
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super().tearDown()
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RequestsInstrumentor().uninstrument()
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httpretty.disable()
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def test_basic(self):
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result = requests.get(self.URL)
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self.assertEqual(result.text, "Hello!")
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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span = span_list[0]
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self.assertIs(span.kind, trace.SpanKind.CLIENT)
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self.assertEqual(span.name, "/status/200")
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self.assertEqual(
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span.attributes,
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{
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"component": "http",
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"http.method": "GET",
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"http.url": self.URL,
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"http.status_code": 200,
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"http.status_text": "OK",
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},
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)
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self.assertIs(
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span.status.canonical_code, trace.status.StatusCanonicalCode.OK
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)
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self.check_span_instrumentation_info(
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span, opentelemetry.instrumentation.requests
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)
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def test_not_foundbasic(self):
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url_404 = "http://httpbin.org/status/404"
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httpretty.register_uri(
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httpretty.GET, url_404, status=404,
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)
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result = requests.get(url_404)
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self.assertEqual(result.status_code, 404)
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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span = span_list[0]
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self.assertEqual(span.attributes.get("http.status_code"), 404)
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self.assertEqual(span.attributes.get("http.status_text"), "Not Found")
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self.assertIs(
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span.status.canonical_code,
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trace.status.StatusCanonicalCode.NOT_FOUND,
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)
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def test_invalid_url(self):
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url = "http://[::1/nope"
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with self.assertRaises(ValueError):
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requests.post(url)
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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span = span_list[0]
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self.assertTrue(span.name.startswith("<Unparsable URL"))
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self.assertEqual(
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span.attributes,
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{"component": "http", "http.method": "POST", "http.url": url},
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)
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self.assertEqual(
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span.status.canonical_code, StatusCanonicalCode.INVALID_ARGUMENT
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)
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def test_uninstrument(self):
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RequestsInstrumentor().uninstrument()
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result = requests.get(self.URL)
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self.assertEqual(result.text, "Hello!")
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 0)
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# instrument again to avoid annoying warning message
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RequestsInstrumentor().instrument()
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def test_uninstrument_session(self):
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session1 = requests.Session()
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RequestsInstrumentor().uninstrument_session(session1)
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result = session1.get(self.URL)
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self.assertEqual(result.text, "Hello!")
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 0)
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# Test that other sessions as well as global requests is still
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# instrumented
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session2 = requests.Session()
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result = session2.get(self.URL)
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self.assertEqual(result.text, "Hello!")
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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self.memory_exporter.clear()
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result = requests.get(self.URL)
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self.assertEqual(result.text, "Hello!")
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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def test_suppress_instrumentation(self):
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token = context.attach(
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context.set_value("suppress_instrumentation", True)
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)
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try:
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result = requests.get(self.URL)
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self.assertEqual(result.text, "Hello!")
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finally:
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context.detach(token)
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 0)
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def test_distributed_context(self):
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previous_propagator = propagators.get_global_httptextformat()
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try:
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propagators.set_global_httptextformat(MockHTTPTextFormat())
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result = requests.get(self.URL)
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self.assertEqual(result.text, "Hello!")
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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span = span_list[0]
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headers = dict(httpretty.last_request().headers)
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self.assertIn(MockHTTPTextFormat.TRACE_ID_KEY, headers)
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self.assertEqual(
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str(span.get_context().trace_id),
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headers[MockHTTPTextFormat.TRACE_ID_KEY],
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)
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self.assertIn(MockHTTPTextFormat.SPAN_ID_KEY, headers)
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self.assertEqual(
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str(span.get_context().span_id),
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headers[MockHTTPTextFormat.SPAN_ID_KEY],
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)
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finally:
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propagators.set_global_httptextformat(previous_propagator)
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def test_span_callback(self):
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RequestsInstrumentor().uninstrument()
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def span_callback(span, result: requests.Response):
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span.set_attribute(
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"http.response.body", result.content.decode("utf-8")
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)
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RequestsInstrumentor().instrument(
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tracer_provider=self.tracer_provider, span_callback=span_callback,
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)
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result = requests.get(self.URL)
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self.assertEqual(result.text, "Hello!")
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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span = span_list[0]
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self.assertEqual(
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span.attributes,
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{
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"component": "http",
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"http.method": "GET",
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"http.url": self.URL,
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"http.status_code": 200,
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"http.status_text": "OK",
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"http.response.body": "Hello!",
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},
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)
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def test_custom_tracer_provider(self):
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resource = resources.Resource.create({})
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result = self.create_tracer_provider(resource=resource)
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tracer_provider, exporter = result
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RequestsInstrumentor().uninstrument()
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RequestsInstrumentor().instrument(tracer_provider=tracer_provider)
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result = requests.get(self.URL)
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self.assertEqual(result.text, "Hello!")
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span_list = exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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span = span_list[0]
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self.assertIs(span.resource, resource)
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def test_if_headers_equals_none(self):
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result = requests.get(self.URL, headers=None)
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self.assertEqual(result.text, "Hello!")
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@mock.patch("requests.Session.send", side_effect=requests.RequestException)
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def test_requests_exception_without_response(self, *_, **__):
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with self.assertRaises(requests.RequestException):
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requests.get(self.URL)
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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span = span_list[0]
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self.assertEqual(
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span.attributes,
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{"component": "http", "http.method": "GET", "http.url": self.URL},
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)
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self.assertEqual(
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span.status.canonical_code, StatusCanonicalCode.UNKNOWN
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)
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mocked_response = requests.Response()
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mocked_response.status_code = 500
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mocked_response.reason = "Internal Server Error"
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@mock.patch(
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"requests.Session.send",
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side_effect=requests.RequestException(response=mocked_response),
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)
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def test_requests_exception_with_response(self, *_, **__):
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with self.assertRaises(requests.RequestException):
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requests.get(self.URL)
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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span = span_list[0]
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self.assertEqual(
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span.attributes,
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{
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"component": "http",
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"http.method": "GET",
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"http.url": self.URL,
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"http.status_code": 500,
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"http.status_text": "Internal Server Error",
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},
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)
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self.assertEqual(
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span.status.canonical_code, StatusCanonicalCode.INTERNAL
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)
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@mock.patch("requests.Session.send", side_effect=Exception)
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def test_requests_basic_exception(self, *_, **__):
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with self.assertRaises(Exception):
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requests.get(self.URL)
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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self.assertEqual(
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span_list[0].status.canonical_code, StatusCanonicalCode.UNKNOWN
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)
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@mock.patch("requests.Session.send", side_effect=requests.Timeout)
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def test_requests_timeout_exception(self, *_, **__):
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with self.assertRaises(Exception):
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requests.get(self.URL)
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span_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(span_list), 1)
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self.assertEqual(
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span_list[0].status.canonical_code,
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StatusCanonicalCode.DEADLINE_EXCEEDED,
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)
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