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from .. import fixtures, config
from ..config import requirements
from .. import exclusions
from ..assertions import eq_
from .. import engines
from sqlalchemy import Integer, String, select, util
from ..schema import Table, Column
class LastrowidTest(fixtures.TablesTest):
run_deletes = 'each'
__requires__ = 'implements_get_lastrowid', 'autoincrement_insert'
__engine_options__ = {"implicit_returning": False}
@classmethod
def define_tables(cls, metadata):
Table('autoinc_pk', metadata,
Column('id', Integer, primary_key=True,
test_needs_autoincrement=True),
Column('data', String(50))
)
Table('manual_pk', metadata,
Column('id', Integer, primary_key=True, autoincrement=False),
Column('data', String(50))
)
def _assert_round_trip(self, table, conn):
row = conn.execute(table.select()).first()
eq_(
row,
(config.db.dialect.default_sequence_base, "some data")
)
def test_autoincrement_on_insert(self):
config.db.execute(
self.tables.autoinc_pk.insert(),
data="some data"
)
self._assert_round_trip(self.tables.autoinc_pk, config.db)
def test_last_inserted_id(self):
r = config.db.execute(
self.tables.autoinc_pk.insert(),
data="some data"
)
pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
eq_(
r.inserted_primary_key,
[pk]
)
@exclusions.fails_if(lambda: util.pypy, "lastrowid not maintained after "
"connection close")
@requirements.dbapi_lastrowid
def test_native_lastrowid_autoinc(self):
r = config.db.execute(
self.tables.autoinc_pk.insert(),
data="some data"
)
lastrowid = r.lastrowid
pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
eq_(
lastrowid, pk
)
class InsertBehaviorTest(fixtures.TablesTest):
run_deletes = 'each'
@classmethod
def define_tables(cls, metadata):
Table('autoinc_pk', metadata,
Column('id', Integer, primary_key=True, \
test_needs_autoincrement=True),
Column('data', String(50))
)
def test_autoclose_on_insert(self):
if requirements.returning.enabled:
engine = engines.testing_engine(
options={'implicit_returning': False})
else:
engine = config.db
r = engine.execute(
self.tables.autoinc_pk.insert(),
data="some data"
)
assert r.closed
assert r.is_insert
assert not r.returns_rows
@requirements.returning
def test_autoclose_on_insert_implicit_returning(self):
r = config.db.execute(
self.tables.autoinc_pk.insert(),
data="some data"
)
assert r.closed
assert r.is_insert
assert not r.returns_rows
@requirements.empty_inserts
def test_empty_insert(self):
r = config.db.execute(
self.tables.autoinc_pk.insert(),
)
assert r.closed
r = config.db.execute(
self.tables.autoinc_pk.select().\
where(self.tables.autoinc_pk.c.id != None)
)
assert len(r.fetchall())
class ReturningTest(fixtures.TablesTest):
run_deletes = 'each'
__requires__ = 'returning', 'autoincrement_insert'
__engine_options__ = {"implicit_returning": True}
def _assert_round_trip(self, table, conn):
row = conn.execute(table.select()).first()
eq_(
row,
(config.db.dialect.default_sequence_base, "some data")
)
@classmethod
def define_tables(cls, metadata):
Table('autoinc_pk', metadata,
Column('id', Integer, primary_key=True, \
test_needs_autoincrement=True),
Column('data', String(50))
)
def test_explicit_returning_pk(self):
engine = config.db
table = self.tables.autoinc_pk
r = engine.execute(
table.insert().returning(
table.c.id),
data="some data"
)
pk = r.first()[0]
fetched_pk = config.db.scalar(select([table.c.id]))
eq_(fetched_pk, pk)
def test_autoincrement_on_insert_implcit_returning(self):
config.db.execute(
self.tables.autoinc_pk.insert(),
data="some data"
)
self._assert_round_trip(self.tables.autoinc_pk, config.db)
def test_last_inserted_id_implicit_returning(self):
r = config.db.execute(
self.tables.autoinc_pk.insert(),
data="some data"
)
pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
eq_(
r.inserted_primary_key,
[pk]
)
__all__ = ('LastrowidTest', 'InsertBehaviorTest', 'ReturningTest')
|
