mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-06-04 06:48:27 -04:00
Mike Bayer
c0b5a0446b
tests extend from either TestBase or ORMTest, using additional mixins for special assertion methods as needed
97 lines
2.7 KiB
Python
97 lines
2.7 KiB
Python
import testenv; testenv.configure_for_tests()
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from sqlalchemy import *
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from sqlalchemy.orm import *
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from testlib import *
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from testlib import fixtures
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import gc
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# in this test we are specifically looking for time spent in the attributes.InstanceState.__cleanup() method.
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ITERATIONS = 100
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class SessionTest(TestBase, AssertsExecutionResults):
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def setUpAll(self):
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global t1, t2, metadata,T1, T2
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metadata = MetaData(testing.db)
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t1 = Table('t1', metadata,
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Column('c1', Integer, primary_key=True),
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Column('c2', String(30)))
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t2 = Table('t2', metadata,
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Column('c1', Integer, primary_key=True),
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Column('c2', String(30)),
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Column('t1id', Integer, ForeignKey('t1.c1'))
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)
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metadata.create_all()
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l = []
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for x in range(1,51):
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l.append({'c2':'this is t1 #%d' % x})
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t1.insert().execute(*l)
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for x in range(1, 51):
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l = []
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for y in range(1, 100):
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l.append({'c2':'this is t2 #%d' % y, 't1id':x})
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t2.insert().execute(*l)
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class T1(fixtures.Base):
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pass
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class T2(fixtures.Base):
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pass
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mapper(T1, t1, properties={
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't2s':relation(T2, backref='t1')
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})
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mapper(T2, t2)
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def tearDownAll(self):
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metadata.drop_all()
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clear_mappers()
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@profiling.profiled('clean', report=True)
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def test_session_clean(self):
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for x in range(0, ITERATIONS):
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sess = create_session()
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t1s = sess.query(T1).filter(T1.c1.between(15, 48)).all()
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for index in [2, 7, 12, 15, 18, 20]:
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t1s[index].t2s
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sess.close()
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del sess
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gc.collect()
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@profiling.profiled('dirty', report=True)
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def test_session_dirty(self):
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for x in range(0, ITERATIONS):
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sess = create_session()
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t1s = sess.query(T1).filter(T1.c1.between(15, 48)).all()
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for index in [2, 7, 12, 15, 18, 20]:
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t1s[index].c2 = 'this is some modified text'
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for t2 in t1s[index].t2s:
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t2.c2 = 'this is some modified text'
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del t1s
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gc.collect()
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sess.close()
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del sess
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gc.collect()
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@profiling.profiled('noclose', report=True)
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def test_session_noclose(self):
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for x in range(0, ITERATIONS):
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sess = create_session()
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t1s = sess.query(T1).filter(T1.c1.between(15, 48)).all()
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for index in [2, 7, 12, 15, 18, 20]:
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t1s[index].t2s
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del sess
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gc.collect()
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if __name__ == '__main__':
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testenv.main()
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