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132 lines
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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 pymysql
import opentelemetry.instrumentation.pymysql
from opentelemetry import trace as trace_api
from opentelemetry.instrumentation.pymysql import PyMySQLInstrumentor
from opentelemetry.sdk import resources
from opentelemetry.test.test_base import TestBase
class TestPyMysqlIntegration(TestBase):
def tearDown(self):
super().tearDown()
with self.disable_logging():
PyMySQLInstrumentor().uninstrument()
@mock.patch("pymysql.connect")
# pylint: disable=unused-argument
def test_instrumentor(self, mock_connect):
PyMySQLInstrumentor().instrument()
cnx = pymysql.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.assertEqualSpanInstrumentationInfo(
span, opentelemetry.instrumentation.pymysql
)
# check that no spans are generated after uninstrument
PyMySQLInstrumentor().uninstrument()
cnx = pymysql.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("pymysql.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
PyMySQLInstrumentor().instrument(tracer_provider=tracer_provider)
cnx = pymysql.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("pymysql.connect")
# pylint: disable=unused-argument
def test_no_op_tracer_provider(self, mock_connect):
PyMySQLInstrumentor().instrument(
tracer_provider=trace_api.NoOpTracerProvider()
)
cnx = pymysql.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), 0)
@mock.patch("pymysql.connect")
# pylint: disable=unused-argument
def test_instrument_connection(self, mock_connect):
cnx = pymysql.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 = PyMySQLInstrumentor().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("pymysql.connect")
# pylint: disable=unused-argument
def test_uninstrument_connection(self, mock_connect):
PyMySQLInstrumentor().instrument()
cnx = pymysql.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 = PyMySQLInstrumentor().uninstrument_connection(cnx)
cursor = cnx.cursor()
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)