opentelemetry-python-contrib/instrumentation/opentelemetry-instrumentati.../tests/test_psycopg2_integration.py

142 lines
4.9 KiB
Python

# 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 unittest import mock
import psycopg2
import opentelemetry.instrumentation.psycopg2
from opentelemetry.instrumentation.psycopg2 import Psycopg2Instrumentor
from opentelemetry.sdk import resources
from opentelemetry.test.test_base import TestBase
class TestPostgresqlIntegration(TestBase):
def tearDown(self):
super().tearDown()
with self.disable_logging():
Psycopg2Instrumentor().uninstrument()
@mock.patch("psycopg2.connect")
# pylint: disable=unused-argument
def test_instrumentor(self, mock_connect):
Psycopg2Instrumentor().instrument()
cnx = psycopg2.connect(database="test")
cursor = cnx.cursor()
query = "SELECT * FROM test"
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
span = spans_list[0]
# Check version and name in span's instrumentation info
self.check_span_instrumentation_info(
span, opentelemetry.instrumentation.psycopg2
)
# check that no spans are generated after uninstrument
Psycopg2Instrumentor().uninstrument()
cnx = psycopg2.connect(database="test")
cursor = cnx.cursor()
query = "SELECT * FROM test"
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
@mock.patch("psycopg2.connect")
# pylint: disable=unused-argument
def test_not_recording(self, mock_connect):
mock_tracer = mock.Mock()
mock_span = mock.Mock()
mock_span.is_recording.return_value = False
mock_tracer.start_span.return_value = mock_span
mock_tracer.use_span.return_value.__enter__ = mock_span
mock_tracer.use_span.return_value.__exit__ = True
Psycopg2Instrumentor().instrument()
with mock.patch("opentelemetry.trace.get_tracer") as tracer:
tracer.return_value = mock_tracer
cnx = psycopg2.connect(database="test")
cursor = cnx.cursor()
query = "SELECT * FROM test"
cursor.execute(query)
self.assertFalse(mock_span.is_recording())
self.assertTrue(mock_span.is_recording.called)
self.assertFalse(mock_span.set_attribute.called)
self.assertFalse(mock_span.set_status.called)
Psycopg2Instrumentor().uninstrument()
@mock.patch("psycopg2.connect")
# pylint: disable=unused-argument
def test_custom_tracer_provider(self, mock_connect):
resource = resources.Resource.create({})
result = self.create_tracer_provider(resource=resource)
tracer_provider, exporter = result
Psycopg2Instrumentor().instrument(tracer_provider=tracer_provider)
cnx = psycopg2.connect(database="test")
cursor = cnx.cursor()
query = "SELECT * FROM test"
cursor.execute(query)
spans_list = exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
span = spans_list[0]
self.assertIs(span.resource, resource)
@mock.patch("psycopg2.connect")
# pylint: disable=unused-argument
def test_instrument_connection(self, mock_connect):
cnx = psycopg2.connect(database="test")
query = "SELECT * FROM test"
cursor = cnx.cursor()
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 0)
cnx = Psycopg2Instrumentor().instrument_connection(cnx)
cursor = cnx.cursor()
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
@mock.patch("psycopg2.connect")
# pylint: disable=unused-argument
def test_uninstrument_connection(self, mock_connect):
Psycopg2Instrumentor().instrument()
cnx = psycopg2.connect(database="test")
query = "SELECT * FROM test"
cursor = cnx.cursor()
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
cnx = Psycopg2Instrumentor().uninstrument_connection(cnx)
cursor = cnx.cursor()
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)