Files

480 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.
import asyncio
import types
from unittest import mock
import psycopg
import opentelemetry.instrumentation.psycopg
from opentelemetry.instrumentation.psycopg import PsycopgInstrumentor
from opentelemetry.sdk import resources
from opentelemetry.test.test_base import TestBase
class MockCursor:
execute = mock.MagicMock(spec=types.MethodType)
execute.__name__ = "execute"
executemany = mock.MagicMock(spec=types.MethodType)
executemany.__name__ = "executemany"
callproc = mock.MagicMock(spec=types.MethodType)
callproc.__name__ = "callproc"
rowcount = "SomeRowCount"
def __init__(self, *args, **kwargs):
pass
def __enter__(self):
return self
def __exit__(self, *args):
return self
class MockAsyncCursor:
def __init__(self, *args, **kwargs):
pass
# pylint: disable=unused-argument, no-self-use
async def execute(self, query, params=None, throw_exception=False):
if throw_exception:
raise Exception("Test Exception")
# pylint: disable=unused-argument, no-self-use
async def executemany(self, query, params=None, throw_exception=False):
if throw_exception:
raise Exception("Test Exception")
# pylint: disable=unused-argument, no-self-use
async def callproc(self, query, params=None, throw_exception=False):
if throw_exception:
raise Exception("Test Exception")
async def __aenter__(self, *args, **kwargs):
return self
async def __aexit__(self, *args, **kwargs):
pass
def close(self):
pass
class MockConnection:
commit = mock.MagicMock(spec=types.MethodType)
commit.__name__ = "commit"
rollback = mock.MagicMock(spec=types.MethodType)
rollback.__name__ = "rollback"
def __init__(self, *args, **kwargs):
self.cursor_factory = kwargs.pop("cursor_factory", None)
def cursor(self):
if self.cursor_factory:
return self.cursor_factory(self)
return MockCursor()
def get_dsn_parameters(self): # pylint: disable=no-self-use
return {"dbname": "test"}
class MockAsyncConnection:
commit = mock.MagicMock(spec=types.MethodType)
commit.__name__ = "commit"
rollback = mock.MagicMock(spec=types.MethodType)
rollback.__name__ = "rollback"
def __init__(self, *args, **kwargs):
self.cursor_factory = kwargs.pop("cursor_factory", None)
@staticmethod
async def connect(*args, **kwargs):
return MockAsyncConnection(**kwargs)
def cursor(self):
if self.cursor_factory:
cur = self.cursor_factory(self)
return cur
return MockAsyncCursor()
def get_dsn_parameters(self): # pylint: disable=no-self-use
return {"dbname": "test"}
async def __aenter__(self):
return self
async def __aexit__(self, *args):
return mock.MagicMock(spec=types.MethodType)
class TestPostgresqlIntegration(TestBase):
def setUp(self):
super().setUp()
self.cursor_mock = mock.patch(
"opentelemetry.instrumentation.psycopg.pg_cursor", MockCursor
)
self.cursor_async_mock = mock.patch(
"opentelemetry.instrumentation.psycopg.pg_async_cursor",
MockAsyncCursor,
)
self.connection_mock = mock.patch("psycopg.connect", MockConnection)
self.connection_sync_mock = mock.patch(
"psycopg.Connection.connect", MockConnection
)
self.connection_async_mock = mock.patch(
"psycopg.AsyncConnection.connect", MockAsyncConnection.connect
)
self.cursor_mock.start()
self.cursor_async_mock.start()
self.connection_mock.start()
self.connection_sync_mock.start()
self.connection_async_mock.start()
def tearDown(self):
super().tearDown()
self.memory_exporter.clear()
self.cursor_mock.stop()
self.cursor_async_mock.stop()
self.connection_mock.stop()
self.connection_sync_mock.stop()
self.connection_async_mock.stop()
with self.disable_logging():
PsycopgInstrumentor().uninstrument()
# pylint: disable=unused-argument
def test_instrumentor(self):
PsycopgInstrumentor().instrument()
cnx = psycopg.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.psycopg
)
# check that no spans are generated after uninstrument
PsycopgInstrumentor().uninstrument()
cnx = psycopg.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)
# pylint: disable=unused-argument
def test_instrumentor_with_connection_class(self):
PsycopgInstrumentor().instrument()
cnx = psycopg.Connection.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.psycopg
)
# check that no spans are generated after uninstrument
PsycopgInstrumentor().uninstrument()
cnx = psycopg.Connection.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)
async def test_wrap_async_connection_class_with_cursor(self):
PsycopgInstrumentor().instrument()
async def test_async_connection():
acnx = await psycopg.AsyncConnection.connect(database="test")
async with acnx as cnx:
async with cnx.cursor() as cursor:
await cursor.execute("SELECT * FROM test")
asyncio.run(test_async_connection())
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.psycopg
)
# check that no spans are generated after uninstrument
PsycopgInstrumentor().uninstrument()
asyncio.run(test_async_connection())
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
# pylint: disable=unused-argument
async def test_instrumentor_with_async_connection_class(self):
PsycopgInstrumentor().instrument()
async def test_async_connection():
acnx = await psycopg.AsyncConnection.connect(database="test")
async with acnx as cnx:
await cnx.execute("SELECT * FROM test")
asyncio.run(test_async_connection())
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.psycopg
)
# check that no spans are generated after uninstrument
PsycopgInstrumentor().uninstrument()
asyncio.run(test_async_connection())
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
def test_span_name(self):
PsycopgInstrumentor().instrument()
cnx = psycopg.connect(database="test")
cursor = cnx.cursor()
cursor.execute("Test query", ("param1Value", False))
cursor.execute(
"""multi
line
query"""
)
cursor.execute("tab\tseparated query")
cursor.execute("/* leading comment */ query")
cursor.execute("/* leading comment */ query /* trailing comment */")
cursor.execute("query /* trailing comment */")
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 6)
self.assertEqual(spans_list[0].name, "Test")
self.assertEqual(spans_list[1].name, "multi")
self.assertEqual(spans_list[2].name, "tab")
self.assertEqual(spans_list[3].name, "query")
self.assertEqual(spans_list[4].name, "query")
self.assertEqual(spans_list[5].name, "query")
async def test_span_name_async(self):
PsycopgInstrumentor().instrument()
cnx = psycopg.AsyncConnection.connect(database="test")
async with cnx.cursor() as cursor:
await cursor.execute("Test query", ("param1Value", False))
await cursor.execute(
"""multi
line
query"""
)
await cursor.execute("tab\tseparated query")
await cursor.execute("/* leading comment */ query")
await cursor.execute(
"/* leading comment */ query /* trailing comment */"
)
await cursor.execute("query /* trailing comment */")
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 6)
self.assertEqual(spans_list[0].name, "Test")
self.assertEqual(spans_list[1].name, "multi")
self.assertEqual(spans_list[2].name, "tab")
self.assertEqual(spans_list[3].name, "query")
self.assertEqual(spans_list[4].name, "query")
self.assertEqual(spans_list[5].name, "query")
# pylint: disable=unused-argument
def test_not_recording(self):
mock_tracer = mock.Mock()
mock_span = mock.Mock()
mock_span.is_recording.return_value = False
mock_tracer.start_span.return_value = mock_span
PsycopgInstrumentor().instrument()
with mock.patch("opentelemetry.trace.get_tracer") as tracer:
tracer.return_value = mock_tracer
cnx = psycopg.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)
PsycopgInstrumentor().uninstrument()
# pylint: disable=unused-argument
async def test_not_recording_async(self):
mock_tracer = mock.Mock()
mock_span = mock.Mock()
mock_span.is_recording.return_value = False
mock_tracer.start_span.return_value = mock_span
PsycopgInstrumentor().instrument()
with mock.patch("opentelemetry.trace.get_tracer") as tracer:
tracer.return_value = mock_tracer
cnx = psycopg.AsyncConnection.connect(database="test")
async with cnx.cursor() as 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)
PsycopgInstrumentor().uninstrument()
# pylint: disable=unused-argument
def test_custom_tracer_provider(self):
resource = resources.Resource.create({})
result = self.create_tracer_provider(resource=resource)
tracer_provider, exporter = result
PsycopgInstrumentor().instrument(tracer_provider=tracer_provider)
cnx = psycopg.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)
# pylint: disable=unused-argument
def test_instrument_connection(self):
cnx = psycopg.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 = PsycopgInstrumentor().instrument_connection(cnx)
cursor = cnx.cursor()
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
# pylint: disable=unused-argument
def test_instrument_connection_with_instrument(self):
cnx = psycopg.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)
PsycopgInstrumentor().instrument()
cnx = PsycopgInstrumentor().instrument_connection(cnx)
cursor = cnx.cursor()
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
# pylint: disable=unused-argument
def test_uninstrument_connection_with_instrument(self):
PsycopgInstrumentor().instrument()
cnx = psycopg.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 = PsycopgInstrumentor().uninstrument_connection(cnx)
cursor = cnx.cursor()
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
# pylint: disable=unused-argument
def test_uninstrument_connection_with_instrument_connection(self):
cnx = psycopg.connect(database="test")
PsycopgInstrumentor().instrument_connection(cnx)
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 = PsycopgInstrumentor().uninstrument_connection(cnx)
cursor = cnx.cursor()
cursor.execute(query)
spans_list = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans_list), 1)
@mock.patch("opentelemetry.instrumentation.dbapi.wrap_connect")
def test_sqlcommenter_enabled(self, event_mocked):
cnx = psycopg.connect(database="test")
PsycopgInstrumentor().instrument(enable_commenter=True)
query = "SELECT * FROM test"
cursor = cnx.cursor()
cursor.execute(query)
kwargs = event_mocked.call_args[1]
self.assertEqual(kwargs["enable_commenter"], True)
@mock.patch("opentelemetry.instrumentation.dbapi.wrap_connect")
def test_sqlcommenter_disabled(self, event_mocked):
cnx = psycopg.connect(database="test")
PsycopgInstrumentor().instrument()
query = "SELECT * FROM test"
cursor = cnx.cursor()
cursor.execute(query)
kwargs = event_mocked.call_args[1]
self.assertEqual(kwargs["enable_commenter"], False)