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from sqlalchemy import *
from sqlalchemy.testing import eq_
from sqlalchemy.testing import engines
from sqlalchemy.testing import fixtures
from sqlalchemy.testing.mock import Mock
def mock_dbapi():
return Mock(paramstyle='qmark',
connect=Mock(
return_value=Mock(
cursor=Mock(
return_value=Mock(
description=None,
rowcount=None)
)
)
)
)
class MxODBCTest(fixtures.TestBase):
def test_native_odbc_execute(self):
t1 = Table('t1', MetaData(), Column('c1', Integer))
dbapi = mock_dbapi()
engine = engines.testing_engine('mssql+mxodbc://localhost',
options={'module': dbapi, '_initialize': False})
conn = engine.connect()
# crud: uses execute
conn.execute(t1.insert().values(c1='foo'))
conn.execute(t1.delete().where(t1.c.c1 == 'foo'))
conn.execute(t1.update().where(t1.c.c1 == 'foo').values(c1='bar'))
# select: uses executedirect
conn.execute(t1.select())
# manual flagging
conn.execution_options(native_odbc_execute=True).\
execute(t1.select())
conn.execution_options(native_odbc_execute=False).\
execute(t1.insert().values(c1='foo'))
eq_(
[c[2] for c in
dbapi.connect.return_value.cursor.return_value.execute.mock_calls],
[{'direct': True}, {'direct': True}, {'direct': True},
{'direct': True}, {'direct': False}, {'direct': True}]
)
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