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189 lines (140 loc) · 6.69 KB
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from __future__ import absolute_import
import unittest
from sqlalchemy import Column, Integer, String, create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from .helpers import testenv
from instana.singletons import tracer
engine = create_engine("postgresql://%s:%s@%s/%s" % (testenv['postgresql_user'], testenv['postgresql_pw'],
testenv['postgresql_host'], testenv['postgresql_db']))
Base = declarative_base()
class StanUser(Base):
__tablename__ = 'churchofstan'
id = Column(Integer, primary_key=True)
name = Column(String)
fullname = Column(String)
password = Column(String)
def __repr__(self):
return "<User(name='%s', fullname='%s', password='%s')>" % (
self.name, self.fullname, self.password)
Base.metadata.create_all(engine)
stan_user = StanUser(name='IAmStan', fullname='Stan Robot', password='3X}vP66ADoCFT2g?HPvoem2eJh,zWXgd36Rb/{aRq/>7EYy6@EEH4BP(oeXac@mR')
Session = sessionmaker(bind=engine)
Session.configure(bind=engine)
sqlalchemy_url = 'postgresql://%s/%s' % (testenv['postgresql_host'], testenv['postgresql_db'])
class TestSQLAlchemy(unittest.TestCase):
def setUp(self):
""" Clear all spans before a test run """
self.recorder = tracer.recorder
self.recorder.clear_spans()
self.session = Session()
def tearDown(self):
pass
def test_session_add(self):
with tracer.start_active_span('test'):
self.session.add(stan_user)
self.session.commit()
spans = self.recorder.queued_spans()
self.assertEqual(2, len(spans))
sql_span = spans[0]
test_span = spans[1]
self.assertIsNone(tracer.active_span)
# Same traceId
self.assertEqual(test_span.t, sql_span.t)
# Parent relationships
self.assertEqual(sql_span.p, test_span.s)
# Error logging
self.assertFalse(test_span.error)
self.assertIsNone(test_span.ec)
self.assertFalse(sql_span.error)
self.assertIsNone(sql_span.ec)
# SQLAlchemy span
self.assertEqual('sqlalchemy', sql_span.n)
self.assertFalse('custom' in sql_span.data.__dict__)
self.assertTrue('sqlalchemy' in sql_span.data.__dict__)
self.assertEqual('postgresql', sql_span.data.sqlalchemy.eng)
self.assertEqual(sqlalchemy_url, sql_span.data.sqlalchemy.url)
self.assertEqual('INSERT INTO churchofstan (name, fullname, password) VALUES (%(name)s, %(fullname)s, %(password)s) RETURNING churchofstan.id', sql_span.data.sqlalchemy.sql)
self.assertIsNone(sql_span.data.sqlalchemy.err)
self.assertIsNotNone(sql_span.stack)
self.assertTrue(type(sql_span.stack) is list)
self.assertGreater(len(sql_span.stack), 0)
def test_transaction(self):
result = None
with tracer.start_active_span('test'):
with engine.begin() as connection:
result = connection.execute("select 1")
result = connection.execute("select (name, fullname, password) from churchofstan where name='doesntexist'")
spans = self.recorder.queued_spans()
self.assertEqual(3, len(spans))
sql_span0 = spans[0]
sql_span1 = spans[1]
test_span = spans[2]
self.assertIsNone(tracer.active_span)
# Same traceId
self.assertEqual(test_span.t, sql_span0.t)
self.assertEqual(test_span.t, sql_span1.t)
# Parent relationships
self.assertEqual(sql_span0.p, test_span.s)
self.assertEqual(sql_span1.p, test_span.s)
# Error logging
self.assertFalse(test_span.error)
self.assertIsNone(test_span.ec)
self.assertFalse(sql_span0.error)
self.assertIsNone(sql_span0.ec)
self.assertFalse(sql_span1.error)
self.assertIsNone(sql_span1.ec)
# SQLAlchemy span0
self.assertEqual('sqlalchemy', sql_span0.n)
self.assertFalse('custom' in sql_span0.data.__dict__)
self.assertTrue('sqlalchemy' in sql_span0.data.__dict__)
self.assertEqual('postgresql', sql_span0.data.sqlalchemy.eng)
self.assertEqual(sqlalchemy_url, sql_span0.data.sqlalchemy.url)
self.assertEqual('select 1', sql_span0.data.sqlalchemy.sql)
self.assertIsNone(sql_span0.data.sqlalchemy.err)
self.assertIsNotNone(sql_span0.stack)
self.assertTrue(type(sql_span0.stack) is list)
self.assertGreater(len(sql_span0.stack), 0)
# SQLAlchemy span1
self.assertEqual('sqlalchemy', sql_span1.n)
self.assertFalse('custom' in sql_span1.data.__dict__)
self.assertTrue('sqlalchemy' in sql_span1.data.__dict__)
self.assertEqual('postgresql', sql_span1.data.sqlalchemy.eng)
self.assertEqual(sqlalchemy_url, sql_span1.data.sqlalchemy.url)
self.assertEqual("select (name, fullname, password) from churchofstan where name='doesntexist'", sql_span1.data.sqlalchemy.sql)
self.assertIsNone(sql_span1.data.sqlalchemy.err)
self.assertIsNotNone(sql_span1.stack)
self.assertTrue(type(sql_span1.stack) is list)
self.assertGreater(len(sql_span1.stack), 0)
def test_error_logging(self):
try:
with tracer.start_active_span('test'):
self.session.execute("htVwGrCwVThisIsInvalidSQLaw4ijXd88")
self.session.commit()
except:
pass
spans = self.recorder.queued_spans()
self.assertEqual(2, len(spans))
sql_span = spans[0]
test_span = spans[1]
self.assertIsNone(tracer.active_span)
# Same traceId
self.assertEqual(test_span.t, sql_span.t)
# Parent relationships
self.assertEqual(sql_span.p, test_span.s)
# Error logging
self.assertFalse(test_span.error)
self.assertIsNone(test_span.ec)
self.assertTrue(sql_span.error)
self.assertIs(sql_span.ec, 1)
# SQLAlchemy span
self.assertEqual('sqlalchemy', sql_span.n)
self.assertFalse('custom' in sql_span.data.__dict__)
self.assertTrue('sqlalchemy' in sql_span.data.__dict__)
self.assertEqual('postgresql', sql_span.data.sqlalchemy.eng)
self.assertEqual(sqlalchemy_url, sql_span.data.sqlalchemy.url)
self.assertEqual('htVwGrCwVThisIsInvalidSQLaw4ijXd88', sql_span.data.sqlalchemy.sql)
self.assertEqual('syntax error at or near "htVwGrCwVThisIsInvalidSQLaw4ijXd88"\nLINE 1: htVwGrCwVThisIsInvalidSQLaw4ijXd88\n ^\n', sql_span.data.sqlalchemy.err)
self.assertIsNotNone(sql_span.stack)
self.assertTrue(type(sql_span.stack) is list)
self.assertGreater(len(sql_span.stack), 0)