Files
2020-04-08 10:39:44 -07:00

52 lines
2.1 KiB
Python

from sqlalchemy.exc import ProgrammingError
import pytest
from .mixins import SQLAlchemyTestMixin
from ..config import MYSQL_CONFIG
from ...base import BaseTracerTestCase
class MysqlConnectorTestCase(SQLAlchemyTestMixin, BaseTracerTestCase):
"""TestCase for mysql-connector engine"""
VENDOR = 'mysql'
SQL_DB = 'test'
SERVICE = 'mysql'
ENGINE_ARGS = {'url': 'mysql+mysqlconnector://%(user)s:%(password)s@%(host)s:%(port)s/%(database)s' % MYSQL_CONFIG}
def setUp(self):
super(MysqlConnectorTestCase, self).setUp()
def tearDown(self):
super(MysqlConnectorTestCase, self).tearDown()
def check_meta(self, span):
# check database connection tags
self.assertEqual(span.get_tag('out.host'), MYSQL_CONFIG['host'])
self.assertEqual(span.get_metric('out.port'), MYSQL_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()
traces = self.tracer.writer.pop_traces()
# trace composition
self.assertEqual(len(traces), 1)
self.assertEqual(len(traces[0]), 1)
span = traces[0][0]
# span fields
self.assertEqual(span.name, '{}.query'.format(self.VENDOR))
self.assertEqual(span.service, self.SERVICE)
self.assertEqual(span.resource, 'SELECT * FROM a_wrong_table')
self.assertEqual(span.get_tag('sql.db'), self.SQL_DB)
self.assertIsNone(span.get_tag('sql.rows') or span.get_metric('sql.rows'))
self.check_meta(span)
self.assertEqual(span.span_type, 'sql')
self.assertTrue(span.duration > 0)
# check the error
self.assertEqual(span.error, 1)
self.assertEqual(span.get_tag('error.type'), 'mysql.connector.errors.ProgrammingError')
self.assertTrue("Table 'test.a_wrong_table' doesn't exist" in span.get_tag('error.msg'))
self.assertTrue("Table 'test.a_wrong_table' doesn't exist" in span.get_tag('error.stack'))