opentelemetry-python-contrib/tests/opentelemetry-docker-tests/tests/sqlalchemy_tests/test_postgres.py

93 lines
2.9 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.
import os
import unittest
import psycopg2
import pytest
from sqlalchemy.exc import ProgrammingError
from opentelemetry import trace
from opentelemetry.instrumentation.sqlalchemy.engine import (
_DB,
_HOST,
_PORT,
_STMT,
)
from .mixins import SQLAlchemyTestMixin
POSTGRES_CONFIG = {
"host": "127.0.0.1",
"port": int(os.getenv("TEST_POSTGRES_PORT", "5432")),
"user": os.getenv("TEST_POSTGRES_USER", "testuser"),
"password": os.getenv("TEST_POSTGRES_PASSWORD", "testpassword"),
"dbname": os.getenv("TEST_POSTGRES_DB", "opentelemetry-tests"),
}
class PostgresTestCase(SQLAlchemyTestMixin):
"""TestCase for Postgres Engine"""
__test__ = True
VENDOR = "postgresql"
SQL_DB = "opentelemetry-tests"
ENGINE_ARGS = {
"url": "postgresql://%(user)s:%(password)s@%(host)s:%(port)s/%(dbname)s"
% POSTGRES_CONFIG
}
def check_meta(self, span):
# check database connection tags
self.assertEqual(span.attributes.get(_HOST), POSTGRES_CONFIG["host"])
self.assertEqual(span.attributes.get(_PORT), POSTGRES_CONFIG["port"])
def test_engine_execute_errors(self):
# ensures that SQL errors are reported
with pytest.raises(ProgrammingError):
with self.connection() as conn:
conn.execute("SELECT * FROM a_wrong_table").fetchall()
spans = self.memory_exporter.get_finished_spans()
self.assertEqual(len(spans), 1)
span = spans[0]
# span fields
self.assertEqual(span.name, "SELECT * FROM a_wrong_table")
self.assertEqual(
span.attributes.get(_STMT), "SELECT * FROM a_wrong_table"
)
self.assertEqual(span.attributes.get(_DB), self.SQL_DB)
self.check_meta(span)
self.assertTrue(span.end_time - span.start_time > 0)
# check the error
self.assertIs(
span.status.status_code, trace.status.StatusCode.ERROR,
)
self.assertIn("a_wrong_table", span.status.description)
class PostgresCreatorTestCase(PostgresTestCase):
"""TestCase for Postgres Engine that includes the same tests set
of `PostgresTestCase`, but it uses a specific `creator` function.
"""
VENDOR = "postgresql"
SQL_DB = "opentelemetry-tests"
ENGINE_ARGS = {
"url": "postgresql://",
"creator": lambda: psycopg2.connect(**POSTGRES_CONFIG),
}