mirror of
https://github.com/open-telemetry/opentelemetry-python-contrib.git
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5c5fc732fb
* Replace assertInstInfo with assertInstScope * Update Changelog * Fix order of other changelog entries
136 lines
4.8 KiB
Python
136 lines
4.8 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 cassandra.cluster
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from wrapt import BoundFunctionWrapper
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import opentelemetry.instrumentation.cassandra
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from opentelemetry import trace as trace_api
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from opentelemetry.instrumentation.cassandra import CassandraInstrumentor
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from opentelemetry.sdk import resources
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from opentelemetry.test.test_base import TestBase
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from opentelemetry.trace import SpanKind
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def connect_and_execute_query():
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cluster = cassandra.cluster.Cluster()
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cluster._is_setup = True
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session = cluster.connect()
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session.cluster = cluster
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session.keyspace = "test"
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session._request_init_callbacks = []
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query = "SELECT * FROM test"
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session.execute(query)
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return cluster, session, query
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class TestCassandraIntegration(TestBase):
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def tearDown(self):
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super().tearDown()
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with self.disable_logging():
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CassandraInstrumentor().uninstrument()
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def test_instrument_uninstrument(self):
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instrumentation = CassandraInstrumentor()
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instrumentation.instrument()
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self.assertTrue(
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isinstance(
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cassandra.cluster.Session.execute_async, BoundFunctionWrapper
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)
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)
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instrumentation.uninstrument()
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self.assertFalse(
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isinstance(
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cassandra.cluster.Session.execute_async, BoundFunctionWrapper
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)
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)
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@mock.patch("cassandra.cluster.Cluster.connect")
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@mock.patch("cassandra.cluster.Session.__init__")
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@mock.patch("cassandra.cluster.Session._create_response_future")
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def test_instrumentor(
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self, mock_create_response_future, mock_session_init, mock_connect
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):
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mock_create_response_future.return_value = mock.Mock()
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mock_session_init.return_value = None
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mock_connect.return_value = cassandra.cluster.Session()
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CassandraInstrumentor().instrument()
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connect_and_execute_query()
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spans_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(spans_list), 1)
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span = spans_list[0]
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# Check version and name in span's instrumentation info
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self.assertEqualSpanInstrumentationScope(
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span, opentelemetry.instrumentation.cassandra
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)
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self.assertEqual(span.name, "Cassandra")
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self.assertEqual(span.kind, SpanKind.CLIENT)
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# check that no spans are generated after uninstrument
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CassandraInstrumentor().uninstrument()
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connect_and_execute_query()
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spans_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(spans_list), 1)
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@mock.patch("cassandra.cluster.Cluster.connect")
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@mock.patch("cassandra.cluster.Session.__init__")
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@mock.patch("cassandra.cluster.Session._create_response_future")
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def test_custom_tracer_provider(
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self, mock_create_response_future, mock_session_init, mock_connect
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):
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mock_create_response_future.return_value = mock.Mock()
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mock_session_init.return_value = None
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mock_connect.return_value = cassandra.cluster.Session()
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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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CassandraInstrumentor().instrument(tracer_provider=tracer_provider)
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connect_and_execute_query()
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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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@mock.patch("cassandra.cluster.Cluster.connect")
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@mock.patch("cassandra.cluster.Session.__init__")
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@mock.patch("cassandra.cluster.Session._create_response_future")
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def test_instrument_connection_no_op_tracer_provider(
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self, mock_create_response_future, mock_session_init, mock_connect
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):
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mock_create_response_future.return_value = mock.Mock()
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mock_session_init.return_value = None
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mock_connect.return_value = cassandra.cluster.Session()
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tracer_provider = trace_api.NoOpTracerProvider()
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CassandraInstrumentor().instrument(tracer_provider=tracer_provider)
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connect_and_execute_query()
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spans_list = self.memory_exporter.get_finished_spans()
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self.assertEqual(len(spans_list), 0)
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