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from testbase import PersistTest
import sqlalchemy.util as util
import unittest, sys, os
import sqlalchemy.schema as schema
import testbase
from sqlalchemy import *
import sqlalchemy
db = testbase.db
class DefaultTest(PersistTest):
def setUpAll(self):
global t, f, f2, ts, currenttime
x = {'x':50}
def mydefault():
x['x'] += 1
return x['x']
use_function_defaults = db.engine.name == 'postgres' or db.engine.name == 'oracle'
is_oracle = db.engine.name == 'oracle'
# select "count(1)" returns different results on different DBs
# also correct for "current_date" compatible as column default, value differences
currenttime = func.current_date(type=Date, engine=db);
if is_oracle:
ts = db.func.trunc(func.sysdate(), literal_column("'DAY'")).scalar()
f = select([func.count(1) + 5], engine=db).scalar()
f2 = select([func.count(1) + 14], engine=db).scalar()
# TODO: engine propigation across nested functions not working
currenttime = func.trunc(currenttime, literal_column("'DAY'"), engine=db)
def1 = currenttime
def2 = func.trunc(text("sysdate"), literal_column("'DAY'"))
deftype = Date
elif use_function_defaults:
f = select([func.count(1) + 5], engine=db).scalar()
f2 = select([func.count(1) + 14], engine=db).scalar()
def1 = currenttime
def2 = text("current_date")
deftype = Date
ts = db.func.current_date().scalar()
else:
f = select([func.count(1) + 5], engine=db).scalar()
f2 = select([func.count(1) + 14], engine=db).scalar()
def1 = def2 = "3"
ts = 3
deftype = Integer
t = Table('default_test1', db,
# python function
Column('col1', Integer, primary_key=True, default=mydefault),
# python literal
Column('col2', String(20), default="imthedefault", onupdate="im the update"),
# preexecute expression
Column('col3', Integer, default=func.count(1) + 5, onupdate=func.count(1) + 14),
# SQL-side default from sql expression
Column('col4', deftype, PassiveDefault(def1)),
# SQL-side default from literal expression
Column('col5', deftype, PassiveDefault(def2)),
# preexecute + update timestamp
Column('col6', Date, default=currenttime, onupdate=currenttime),
Column('boolcol1', Boolean, default=True),
Column('boolcol2', Boolean, default=False)
)
t.create()
def tearDownAll(self):
t.drop()
def tearDown(self):
t.delete().execute()
def teststandalone(self):
c = db.engine.contextual_connect()
x = c.execute(t.c.col1.default)
y = t.c.col2.default.execute()
z = c.execute(t.c.col3.default)
self.assert_(50 <= x <= 57)
self.assert_(y == 'imthedefault')
self.assert_(z == f)
# mysql/other db's return 0 or 1 for count(1)
self.assert_(5 <= z <= 6)
def testinsert(self):
r = t.insert().execute()
self.assert_(r.lastrow_has_defaults())
t.insert().execute()
t.insert().execute()
ctexec = currenttime.scalar()
self.echo("Currenttime "+ repr(ctexec))
l = t.select().execute()
self.assert_(l.fetchall() == [(51, 'imthedefault', f, ts, ts, ctexec, True, False), (52, 'imthedefault', f, ts, ts, ctexec, True, False), (53, 'imthedefault', f, ts, ts, ctexec, True, False)])
def testinsertvalues(self):
t.insert(values={'col3':50}).execute()
l = t.select().execute()
self.assert_(l.fetchone()['col3'] == 50)
def testupdate(self):
r = t.insert().execute()
pk = r.last_inserted_ids()[0]
t.update(t.c.col1==pk).execute(col4=None, col5=None)
ctexec = currenttime.scalar()
self.echo("Currenttime "+ repr(ctexec))
l = t.select(t.c.col1==pk).execute()
l = l.fetchone()
self.assert_(l == (pk, 'im the update', f2, None, None, ctexec, True, False))
# mysql/other db's return 0 or 1 for count(1)
self.assert_(14 <= f2 <= 15)
def testupdatevalues(self):
r = t.insert().execute()
pk = r.last_inserted_ids()[0]
t.update(t.c.col1==pk, values={'col3': 55}).execute()
l = t.select(t.c.col1==pk).execute()
l = l.fetchone()
self.assert_(l['col3'] == 55)
class AutoIncrementTest(PersistTest):
@testbase.supported('postgres', 'mysql')
def testnonautoincrement(self):
meta = MetaData(testbase.db)
nonai_table = Table("aitest", meta,
Column('id', Integer, autoincrement=False, primary_key=True),
Column('data', String(20)))
nonai_table.create()
try:
try:
# postgres will fail on first row, mysql fails on second row
nonai_table.insert().execute(data='row 1')
nonai_table.insert().execute(data='row 2')
assert False
except exceptions.SQLError, e:
print "Got exception", str(e)
assert True
nonai_table.insert().execute(id=1, data='row 1')
finally:
nonai_table.drop()
def testwithautoincrement(self):
meta = MetaData(testbase.db)
table = Table("aitest", meta,
Column('id', Integer, primary_key=True),
Column('data', String(20)))
table.create()
try:
table.insert().execute(data='row 1')
table.insert().execute(data='row 2')
finally:
table.drop()
def testfetchid(self):
meta = MetaData(testbase.db)
table = Table("aitest", meta,
Column('id', Integer, primary_key=True),
Column('data', String(20)))
table.create()
try:
# simulate working on a table that doesn't already exist
meta2 = MetaData(testbase.db)
table2 = Table("aitest", meta2,
Column('id', Integer, primary_key=True),
Column('data', String(20)))
class AiTest(object):
pass
mapper(AiTest, table2)
s = create_session()
u = AiTest()
s.save(u)
s.flush()
assert u.id is not None
s.clear()
finally:
table.drop()
class SequenceTest(PersistTest):
@testbase.supported('postgres', 'oracle')
def setUpAll(self):
global cartitems, sometable, metadata
metadata = MetaData(testbase.db)
cartitems = Table("cartitems", metadata,
Column("cart_id", Integer, Sequence('cart_id_seq'), primary_key=True),
Column("description", String(40)),
Column("createdate", DateTime())
)
sometable = Table( 'Manager', metadata,
Column( 'obj_id', Integer, Sequence('obj_id_seq'), ),
Column( 'name', type= String, ),
Column( 'id', Integer, primary_key= True, ),
)
metadata.create_all()
@testbase.supported('postgres', 'oracle')
def testseqnonpk(self):
"""test sequences fire off as defaults on non-pk columns"""
sometable.insert().execute(name="somename")
sometable.insert().execute(name="someother")
assert sometable.select().execute().fetchall() == [
(1, "somename", 1),
(2, "someother", 2),
]
@testbase.supported('postgres', 'oracle')
def testsequence(self):
cartitems.insert().execute(description='hi')
cartitems.insert().execute(description='there')
cartitems.insert().execute(description='lala')
cartitems.select().execute().fetchall()
@testbase.supported('postgres', 'oracle')
def teststandalone(self):
s = Sequence("my_sequence", metadata=testbase.db)
s.create()
try:
x = s.execute()
self.assert_(x == 1)
finally:
s.drop()
@testbase.supported('postgres', 'oracle')
def teststandalone2(self):
x = cartitems.c.cart_id.sequence.execute()
self.assert_(1 <= x <= 4)
@testbase.supported('postgres', 'oracle')
def tearDownAll(self):
metadata.drop_all()
if __name__ == "__main__":
testbase.main()
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