def test_delete_objects_removes_all_matching_objects(self):
# create some objects with identical description
for i in range(10):
api.create_object(
self.ctxt, self.model,
{'name': 'foo%d' % i, 'description': 'bar'})
# create some more objects with a different description
descriptions = set()
for i in range(10, 20):
desc = 'bar%d' % i
descriptions.add(desc)
api.create_object(
self.ctxt, self.model,
{'name': 'foo%d' % i, 'description': desc})
# make sure that all objects are in the database
self.assertEqual(20, api.count(self.ctxt, self.model))
# now delete just those with the 'bar' description
api.delete_objects(self.ctxt, self.model, description='bar')
# check that half of objects are gone, and remaining have expected
# descriptions
objs = api.get_objects(self.ctxt, self.model)
self.assertEqual(10, len(objs))
self.assertEqual(
descriptions,
{obj.description for obj in objs})
def test_delete_objects_removes_all_matching_objects(self):
# create some objects with identical description
for i in range(10):
api.create_object(self.ctxt, self.model, {
'name': 'foo%d' % i,
'description': 'bar'
})
# create some more objects with a different description
descriptions = set()
for i in range(10, 20):
desc = 'bar%d' % i
descriptions.add(desc)
api.create_object(self.ctxt, self.model, {
'name': 'foo%d' % i,
'description': desc
})
# make sure that all objects are in the database
self.assertEqual(20, api.count(self.ctxt, self.model))
# now delete just those with the 'bar' description
api.delete_objects(self.ctxt, self.model, description='bar')
# check that half of objects are gone, and remaining have expected
# descriptions
objs = api.get_objects(self.ctxt, self.model)
self.assertEqual(10, len(objs))
self.assertEqual(descriptions, {obj.description for obj in objs})
def count(cls, context, **kwargs):
"""
Count the number of objects matching filtering criteria.
:param context:
:param kwargs: multiple keys defined by key=value pairs
:return: number of matching objects
"""
cls.validate_filters(**kwargs)
return obj_db_api.count(context, cls.db_model,
**cls.modify_fields_to_db(kwargs))
def count(cls, context, **kwargs):
"""
Count the number of objects matching filtering criteria.
:param context:
:param kwargs: multiple keys defined by key=value pairs
:return: number of matching objects
"""
cls.validate_filters(**kwargs)
return obj_db_api.count(
context, cls.db_model, **cls.modify_fields_to_db(kwargs)
)
def count(cls, context, validate_filters=True, **kwargs):
"""Count the number of objects matching filtering criteria.
:param context:
:param validate_filters: Raises an error in case of passing an unknown
filter
:param kwargs: multiple keys defined by key=value pairs
:return: number of matching objects
"""
if validate_filters:
cls.validate_filters(**kwargs)
return obj_db_api.count(cls, context,
**cls.modify_fields_to_db(kwargs))
def objects_exist(cls, context, validate_filters=True, **kwargs):
"""Check if objects are present in DB.
:param context:
:param validate_filters: Raises an error in case of passing an unknown
filter
:param kwargs: multiple keys defined by key=value pairs
:return: boolean. True if object is present.
"""
if validate_filters:
cls.validate_filters(**kwargs)
# Succeed if at least a single object matches; no need to fetch more
return bool(
obj_db_api.count(cls, context, **cls.modify_fields_to_db(kwargs)))
def count(cls, context, validate_filters=True, **kwargs):
"""Count the number of objects matching filtering criteria.
:param context:
:param validate_filters: Raises an error in case of passing an unknown
filter
:param kwargs: multiple keys defined by key=value pairs
:return: number of matching objects
"""
if validate_filters:
cls.validate_filters(**kwargs)
return obj_db_api.count(
cls, context, **cls.modify_fields_to_db(kwargs)
)
def objects_exist(cls, context, validate_filters=True, **kwargs):
"""Check if objects are present in DB.
:param context:
:param validate_filters: Raises an error in case of passing an unknown
filter
:param kwargs: multiple keys defined by key=value pairs
:return: boolean. True if object is present.
"""
if validate_filters:
cls.validate_filters(**kwargs)
# Succeed if at least a single object matches; no need to fetch more
return bool(obj_db_api.count(
cls, context, **cls.modify_fields_to_db(kwargs))
)