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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(), 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, column("'DAY'"), engine=db)
def1 = currenttime
def2 = func.trunc(text("sysdate"), 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)
)
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), (52, 'imthedefault', f, ts, ts, ctexec), (53, 'imthedefault', f, ts, ts, ctexec)])
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))
# 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 SequenceTest(PersistTest):
def setUpAll(self):
if testbase.db.engine.name != 'postgres' and testbase.db.engine.name != 'oracle':
return
global cartitems
cartitems = Table("cartitems", db,
Column("cart_id", Integer, Sequence('cart_id_seq'), primary_key=True),
Column("description", String(40)),
Column("createdate", DateTime())
)
cartitems.create()
@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)
def tearDownAll(self):
if testbase.db.engine.name != 'postgres' and testbase.db.engine.name != 'oracle':
return
cartitems.drop()
if __name__ == "__main__":
unittest.main()
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