--- /dev/null
+"""Benchmark for SQLAlchemy.
+
+An adaptation of Robert Brewers' ZooMark speed tests.
+"""
+
+import datetime
+import sys
+import time
+import testenv; testenv.configure_for_tests()
+from sqlalchemy import *
+from sqlalchemy.orm import *
+from testlib import *
+
+ITERATIONS = 1
+
+dbapi_session = engines.ReplayableSession()
+metadata = None
+
+class ZooMarkTest(TestBase):
+ """Runs the ZooMark and squawks if method counts vary from the norm.
+
+ Each test has an associated `call_range`, the total number of accepted
+ function calls made during the test. The count can vary between Python
+ 2.4 and 2.5.
+
+ Unlike a unit test, this is a ordered collection of steps. Running
+ components individually will fail.
+
+ """
+
+ __only_on__ = 'postgres'
+ __skip_if__ = ((lambda: sys.version_info < (2, 5)), ) # TODO: get 2.4 support
+
+ def test_baseline_0_setup(self):
+ global metadata, session
+
+ creator = testing.db.pool._creator
+ recorder = lambda: dbapi_session.recorder(creator())
+ engine = engines.testing_engine(options={'creator':recorder})
+ metadata = MetaData(engine)
+ session = sessionmaker()()
+
+ def test_baseline_1_create_tables(self):
+ zoo = Table('Zoo', metadata,
+ Column('ID', Integer, Sequence('zoo_id_seq'),
+ primary_key=True, index=True),
+ Column('Name', Unicode(255)),
+ Column('Founded', Date),
+ Column('Opens', Time),
+ Column('LastEscape', DateTime),
+ Column('Admission', Float),
+ )
+
+ animal = Table('Animal', metadata,
+ Column('ID', Integer, Sequence('animal_id_seq'),
+ primary_key=True),
+ Column('ZooID', Integer, ForeignKey('Zoo.ID'),
+ index=True),
+ Column('Name', Unicode(100)),
+ Column('Species', Unicode(100)),
+ Column('Legs', Integer, default=4),
+ Column('LastEscape', DateTime),
+ Column('Lifespan', Float(4)),
+ Column('MotherID', Integer, ForeignKey('Animal.ID')),
+ Column('PreferredFoodID', Integer),
+ Column('AlternateFoodID', Integer),
+ )
+ metadata.create_all()
+
+ global Zoo, Animal
+ class Zoo(object):
+ def __init__(self, **kwargs):
+ for k, v in kwargs.iteritems():
+ setattr(self, k, v)
+ class Animal(object):
+ def __init__(self, **kwargs):
+ for k, v in kwargs.iteritems():
+ setattr(self, k, v)
+ mapper(Zoo, zoo)
+ mapper(Animal, animal)
+
+ def test_baseline_1a_populate(self):
+ wap = Zoo(Name=u'Wild Animal Park',
+ Founded=datetime.date(2000, 1, 1),
+ # 59 can give rounding errors with divmod, which
+ # AdapterFromADO needs to correct.
+ Opens=datetime.time(8, 15, 59),
+ LastEscape=datetime.datetime(2004, 7, 29, 5, 6, 7),
+ Admission=4.95,
+ )
+ session.save(wap)
+ sdz = Zoo(Name =u'San Diego Zoo',
+ # This early date should play havoc with a number
+ # of implementations.
+ Founded = datetime.date(1835, 9, 13),
+ Opens = datetime.time(9, 0, 0),
+ Admission = 0,
+ )
+ session.save(sdz)
+
+ bio = Zoo(
+ Name = u'Montr\xe9al Biod\xf4me',
+ Founded = datetime.date(1992, 6, 19),
+ Opens = datetime.time(9, 0, 0),
+ Admission = 11.75,
+ )
+ session.save(bio)
+
+ seaworld = Zoo(
+ Name =u'Sea_World', Admission = 60)
+ session.save(seaworld)
+
+ # Let's add a crazy futuristic Zoo to test large date values.
+ lp = Zoo(Name =u'Luna Park',
+ Founded = datetime.date(2072, 7, 17),
+ Opens = datetime.time(0, 0, 0),
+ Admission = 134.95,
+ )
+ session.save(lp)
+ session.flush()
+
+ # Animals
+ leopard = Animal(Species=u'Leopard', Lifespan=73.5,)
+ session.save(leopard)
+ leopard.ZooID = wap.ID
+ leopard.LastEscape = datetime.datetime(2004, 12, 21, 8, 15, 0, 999907)
+
+ session.save(Animal(Species=u'Lion', ZooID=wap.ID))
+ session.save(Animal(Species=u'Slug', Legs=1, Lifespan=.75))
+ session.save(Animal(Species=u'Tiger', ZooID=sdz.ID))
+
+ # Override Legs.default with itself just to make sure it works.
+ session.save(Animal(Species=u'Bear', Legs=4))
+ session.save(Animal(Species=u'Ostrich', Legs=2, Lifespan=103.2))
+ session.save(Animal(Species=u'Centipede', Legs=100))
+
+ session.save(Animal(Species=u'Emperor Penguin', Legs=2, ZooID=seaworld.ID))
+ session.save(Animal(Species=u'Adelie Penguin', Legs=2, ZooID=seaworld.ID))
+
+ session.save(Animal(Species=u'Millipede', Legs=1000000, ZooID=sdz.ID))
+
+ # Add a mother and child to test relationships
+ bai_yun = Animal(Species=u'Ape', Nameu=u'Bai Yun', Legs=2)
+ session.save(bai_yun)
+ session.save(Animal(Species=u'Ape', Name=u'Hua Mei', Legs=2,
+ MotherID=bai_yun.ID))
+ session.flush()
+ session.commit()
+
+ def test_baseline_2_insert(self):
+ for x in xrange(ITERATIONS):
+ session.save(Animal(Species=u'Tick', Name=u'Tick %d' % x, Legs=8))
+ session.flush()
+
+ def test_baseline_3_properties(self):
+ for x in xrange(ITERATIONS):
+ # Zoos
+ WAP = list(session.query(Zoo).filter(Zoo.Name==u'Wild Animal Park'))
+ SDZ = list(session.query(Zoo).filter(Zoo.Founded==datetime.date(1835, 9, 13)))
+ Biodome = list(session.query(Zoo).filter(Zoo.Name==u'Montr\xe9al Biod\xf4me'))
+ seaworld = list(session.query(Zoo).filter(Zoo.Admission == float(60)))
+
+ # Animals
+ leopard = list(session.query(Animal).filter(Animal.Species == u'Leopard'))
+ ostrich = list(session.query(Animal).filter(Animal.Species==u'Ostrich'))
+ millipede = list(session.query(Animal).filter(Animal.Legs==1000000))
+ ticks = list(session.query(Animal).filter(Animal.Species==u'Tick'))
+
+ def test_baseline_4_expressions(self):
+ for x in xrange(ITERATIONS):
+ assert len(list(session.query(Zoo))) == 5
+ assert len(list(session.query(Animal))) == ITERATIONS + 12
+ assert len(list(session.query(Animal).filter(Animal.Legs==4))) == 4
+ assert len(list(session.query(Animal).filter(Animal.Legs == 2))) == 5
+ assert len(list(session.query(Animal).filter(and_(Animal.Legs >= 2, Animal.Legs < 20)))) == ITERATIONS + 9
+ assert len(list(session.query(Animal).filter(Animal.Legs > 10))) == 2
+ assert len(list(session.query(Animal).filter(Animal.Lifespan > 70))) == 2
+ assert len(list(session.query(Animal).filter(Animal.Species.like(u'L%')))) == 2
+ assert len(list(session.query(Animal).filter(Animal.Species.like(u'%pede')))) == 2
+
+ assert len(list(session.query(Animal).filter(Animal.LastEscape != None))) == 1
+ assert len(list(session.query(Animal).filter(Animal.LastEscape == None))) == ITERATIONS + 11
+
+ # In operator (containedby)
+ assert len(list(session.query(Animal).filter(Animal.Species.like(u'%pede%')))) == 2
+ assert len(list(session.query(Animal).filter(
+ Animal.Species.in_((u'Lion', u'Tiger', u'Bear'))))) == 3
+
+ # Try In with cell references
+ class thing(object): pass
+ pet, pet2 = thing(), thing()
+ pet.Name, pet2.Name = u'Slug', u'Ostrich'
+ assert len(list(session.query(Animal).filter(Animal.Species.in_((pet.Name, pet2.Name))))) == 2
+
+ # logic and other functions
+ name =u'Lion'
+ assert len(list(session.query(Animal).filter(func.length(Animal.Species) == len(name)))) == ITERATIONS + 3
+
+ assert len(list(session.query(Animal).filter(Animal.Species.like(u'%i%')))) == ITERATIONS + 7
+
+ # Test now(), today(), year(), month(), day()
+ assert len(list(session.query(Zoo).filter(and_(Zoo.Founded != None, Zoo.Founded < func.now())))) == 3
+ assert len(list(session.query(Animal).filter(Animal.LastEscape == func.now()))) == 0
+ assert len(list(session.query(Animal).filter(func.date_part('year', Animal.LastEscape) == 2004))) == 1
+ assert len(list(session.query(Animal).filter(func.date_part('month', Animal.LastEscape) == 12))) == 1
+ assert len(list(session.query(Animal).filter(func.date_part('day', Animal.LastEscape) == 21))) == 1
+
+ def test_baseline_5_aggregates(self):
+ Animal = metadata.tables['Animal']
+ Zoo = metadata.tables['Zoo']
+
+ # TODO: convert to ORM
+ for x in xrange(ITERATIONS):
+ # views
+ view = select([Animal.c.Legs]).execute().fetchall()
+ legs = [x[0] for x in view]
+ legs.sort()
+
+ expected = {'Leopard': 73.5,
+ 'Slug': .75,
+ 'Tiger': None,
+ 'Lion': None,
+ 'Bear': None,
+ 'Ostrich': 103.2,
+ 'Centipede': None,
+ 'Emperor Penguin': None,
+ 'Adelie Penguin': None,
+ 'Millipede': None,
+ 'Ape': None,
+ 'Tick': None,
+ }
+ for species, lifespan in select([Animal.c.Species, Animal.c.Lifespan]
+ ).execute().fetchall():
+ assert lifespan == expected[species]
+
+ expected = [u'Montr\xe9al Biod\xf4me', 'Wild Animal Park']
+ e = select([Zoo.c.Name],
+ and_(Zoo.c.Founded != None,
+ Zoo.c.Founded <= func.current_timestamp(),
+ Zoo.c.Founded >= datetime.date(1990, 1, 1)))
+ values = [val[0] for val in e.execute().fetchall()]
+ assert set(values) == set(expected)
+
+ # distinct
+ legs = [x[0] for x in
+ select([Animal.c.Legs], distinct=True).execute().fetchall()]
+ legs.sort()
+
+ def test_baseline_6_editing(self):
+ for x in xrange(ITERATIONS):
+ # Edit
+ SDZ = session.query(Zoo).filter(Zoo.Name==u'San Diego Zoo').one()
+ SDZ.Name = u'The San Diego Zoo'
+ SDZ.Founded = datetime.date(1900, 1, 1)
+ SDZ.Opens = datetime.time(7, 30, 0)
+ SDZ.Admission = 35.00
+
+ # Test edits
+ SDZ = session.query(Zoo).filter(Zoo.Name==u'The San Diego Zoo').one()
+ assert SDZ.Founded == datetime.date(1900, 1, 1), SDZ.Founded
+
+ # Change it back
+ SDZ.Name = u'San Diego Zoo'
+ SDZ.Founded = datetime.date(1835, 9, 13)
+ SDZ.Opens = datetime.time(9, 0, 0)
+ SDZ.Admission = 0
+
+ # Test re-edits
+ SDZ = session.query(Zoo).filter(Zoo.Name==u'San Diego Zoo').one()
+ assert SDZ.Founded == datetime.date(1835, 9, 13), SDZ.Founded
+
+ def test_baseline_7_drop(self):
+ metadata.drop_all()
+
+ # Now, run all of these tests again with the DB-API driver factored out:
+ # the ReplayableSession playback stands in for the database.
+
+ # How awkward is this in a unittest framework? Very.
+
+ def test_profile_0(self):
+ global metadata, session
+
+ player = lambda: dbapi_session.player()
+ engine = create_engine('postgres:///', creator=player)
+ metadata = MetaData(engine)
+ session = sessionmaker()()
+
+ @profiling.function_call_count(4659)
+ def test_profile_1_create_tables(self):
+ self.test_baseline_1_create_tables()
+
+ @profiling.function_call_count(12478)
+ def test_profile_1a_populate(self):
+ self.test_baseline_1a_populate()
+
+ @profiling.function_call_count(1184)
+ def test_profile_2_insert(self):
+ self.test_baseline_2_insert()
+
+ @profiling.function_call_count(8323)
+ def test_profile_3_properties(self):
+ self.test_baseline_3_properties()
+
+ @profiling.function_call_count(29494)
+ def test_profile_4_expressions(self):
+ self.test_baseline_4_expressions()
+
+ @profiling.function_call_count(1327)
+ def test_profile_5_aggregates(self):
+ self.test_baseline_5_aggregates()
+
+ @profiling.function_call_count(3985)
+ def test_profile_6_editing(self):
+ self.test_baseline_6_editing()
+
+ def test_profile_7_drop(self):
+ self.test_baseline_7_drop()
+
+
+if __name__ == '__main__':
+ testenv.main()