def test_get_serial_detects_new_objects(self):
# Verifies the behavior of _get_serial() and _set_serial().
conn1 = self.db.open()
try:
ob = self._write_basic_object(conn1)
self.assertNotEqual(conn1._get_serial(ob), '\0' * 8)
# Replace the object and verify it gets a new serial.
ob1 = PersistentMapping()
ob1.strdata = 'cba'
ob1._p_oid = conn1.root()['TestRoot']._p_oid
conn1.root()['TestRoot'] = ob1
self.assertEqual(conn1._get_serial(ob1), '\0' * 8)
finally:
conn1.close()
def test_get_serial_detects_new_objects(self):
# Verifies the behavior of _get_serial() and _set_serial().
conn1 = self.db.open()
try:
ob = self._write_basic_object(conn1)
self.assertNotEqual(conn1._get_serial(ob), '\0' * 8)
# Replace the object and verify it gets a new serial.
ob1 = PersistentMapping()
ob1.strdata = 'cba'
ob1._p_oid = conn1.root()['TestRoot']._p_oid
conn1.root()['TestRoot'] = ob1
self.assertEqual(conn1._get_serial(ob1), '\0' * 8)
finally:
conn1.close()
def test_copy_of(self):
# Verifies the functionality of zodb_copy().
ob1 = PersistentMapping()
ob1._p_oid = 'xxx'
self.assertEqual(ob1._p_oid, 'xxx') # Precondition
ob1['fish'] = PersistentMapping()
ob1['fish']['trout'] = 1
ob1['fish']['herring'] = 2
ob2 = zodb_copy(ob1)
self.assert_(ob2 is not ob1)
self.assert_(ob2['fish'] is not ob1['fish'])
self.assert_(ob2._p_oid is None)
self.assertEqual(list(ob2.keys()), ['fish'])
self.assertEqual(len(ob2['fish'].keys()), 2)
def test_copy_of(self):
# Verifies the functionality of zodb_copy().
ob1 = PersistentMapping()
ob1._p_oid = 'xxx'
self.assertEqual(ob1._p_oid, 'xxx') # Precondition
ob1['fish'] = PersistentMapping()
ob1['fish']['trout'] = 1
ob1['fish']['herring'] = 2
ob2 = zodb_copy(ob1)
self.assert_(ob2 is not ob1)
self.assert_(ob2['fish'] is not ob1['fish'])
self.assert_(ob2._p_oid is None)
self.assertEqual(list(ob2.keys()), ['fish'])
self.assertEqual(len(ob2['fish'].keys()), 2)
def _prepare_root(self):
osio = self._get_osio()
oid = osio.conf.oid_gen.root_oid
try:
self[oid]
except (KeyError, LoadError):
# Create the root object.
from Persistence import PersistentMapping
root = PersistentMapping()
root._p_jar = self
root._p_changed = 1
root._p_oid = oid
t = transaction.Transaction()
t.note('Initial database creation')
self.tpc_begin(t)
self.commit(root, t)
self.tpc_vote(t)
self.tpc_finish(t)
def _prepare_root(self):
osio = self._get_osio()
oid = osio.conf.oid_gen.root_oid
try:
self[oid]
except (KeyError, LoadError):
# Create the root object.
from Persistence import PersistentMapping
root = PersistentMapping()
root._p_jar = self
root._p_changed = 1
root._p_oid = oid
t = transaction.Transaction()
t.note('Initial database creation')
self.tpc_begin(t)
self.commit(root, t)
self.tpc_vote(t)
self.tpc_finish(t)
def test_serial_cleanup(self):
# Verify that _set_serial() cleans up.
conn1 = self.db.open()
try:
conn1.serial_cleanup_threshold = 10
for n in range(conn1.serial_cleanup_threshold + 1):
new_ob = PersistentMapping()
new_ob._p_oid = 'fake_oid_' + str(n)
old_size = len(conn1._serials or ())
conn1._set_serial(new_ob, '01234567')
new_size = len(conn1._serials)
if new_size < old_size:
# Cleaned up. Success.
break
else:
self.fail("_set_serial() did not clean up")
finally:
conn1.close()
def test_serial_cleanup(self):
# Verify that _set_serial() cleans up.
conn1 = self.db.open()
try:
conn1.serial_cleanup_threshold = 10
for n in range(conn1.serial_cleanup_threshold + 1):
new_ob = PersistentMapping()
new_ob._p_oid = 'fake_oid_' + str(n)
old_size = len(conn1._serials or ())
conn1._set_serial(new_ob, '01234567')
new_size = len(conn1._serials)
if new_size < old_size:
# Cleaned up. Success.
break
else:
self.fail("_set_serial() did not clean up")
finally:
conn1.close()
