def test_dropdown_options_warn(self):
provider = SAORMProvider(metadata)
options = provider.get_dropdown_options(User, 'town')
eq_(options, [])
class TestSAORMProvider(SproxTest):
def setup(self):
super(TestSAORMProvider, self).setup()
self.provider = SAORMProvider(session)
session.add(Department(department_id=1, name='Marketing'))
session.add(Department(department_id=2, name='Accounting'))
session.add(DocumentCategory(document_category_id=1, department_id=1, name='Brochure'))
session.add(DocumentCategory(document_category_id=2, department_id=1, name='Flyer'))
session.add(DocumentCategory(document_category_id=3, department_id=2, name='Balance Sheet'))
session.add(Document(document_category_id=1, owner=1))
session.add(Document(document_category_id=2, owner=1))
session.add(Document(document_category_id=1, owner=2))
session.add(Permission(permission_name='perm'))
#session.add(DocumentRating(user_id=1, document_id=1, rating=5))
self.provider.flush()
def test_get_fields_with_func(self):
eq_(self.provider.get_fields(lambda: Town), ['town_id', 'name', 'town_id', 'name', 'residents'])
def test_isbinary_related(self):
assert not self.provider.is_binary(User, 'groups')
def test_isrelation_onproperty(self):
assert not self.provider.is_relation(User, 'permissions')
def test_is_query_not_a_query(self):
assert self.provider.is_query(User, None) == False
def test_is_query_with_dynamic(self):
e = session.query(Permission).first()
assert self.provider.is_query(Permission, e.groups) == True
def test_isbinary_synonym(self):
assert not self.provider.is_binary(User, 'password')
assert self.provider.is_binary(File, 'content')
def test_isstring(self):
assert self.provider.is_string(User, 'email_address')
assert not self.provider.is_string(User, 'groups')
def test_isstring_synonym(self):
assert self.provider.is_string(User, 'password')
def test_binary_create(self):
fs = FieldStorage()
fs.file = BytesIO(b'fake_content')
values = {'data':fs}
self.provider.create(File, values)
def test_binary_update(self):
fs = FieldStorage()
fs.file = BytesIO(b'fake_content')
values = {'data':fs}
entity = self.provider.create(File, values)
values = {'data':fs, 'file_id':entity.file_id}
self.provider.update(File, values)
def test_create_with_engine(self):
provider = SAORMProvider(engine)
assert provider.engine == engine
def test_create_with_metadata(self):
provider = SAORMProvider(metadata)
assert provider.engine == engine
def test_create_with_session(self):
provider = SAORMProvider(session)
assert provider.engine == engine
def test_get_entity(self):
entity = self.provider.get_entity('User')
assert entity == User
@raises(KeyError)
def test_get_entity_non_matching_engine(self):
entity = self.provider.get_entity('OtherClass')
def test_get_primary_fields(self):
fields = self.provider.get_primary_fields(User)
eq_(fields, ['user_id'])
def test_get_primary_fields_multi(self):
fields = self.provider.get_primary_fields(DocumentCategory)
eq_(fields, ['document_category_id', 'department_id'])
def test_get_primary_field_function(self):
field = self.provider.get_primary_field(lambda: User)
eq_(field, 'user_id')
def test_get_view_field_name(self):
field = self.provider.get_view_field_name(Group, ['name'])
eq_(field, 'group_name')
def test_get_view_field_name_with_title(self):
"""
if it exists, saormprovider should use the 'title' info attribute to
determine the title column
"""
field = self.provider.get_view_field_name(User, ['name'])
eq_(field, 'email_address')
def test_get_view_field_name_not_found(self):
field = self.provider.get_view_field_name(Group, [])
eq_(field, 'group_id')
def test_get_dropdown_options_fk(self):
options = self.provider.get_dropdown_options(User, 'town')
eq_(options, [(1, 'Arvada'), (2, 'Denver'), (3, 'Golden'), (4, 'Boulder')])
def test_get_dropdown_options_fk_multi(self):
options = self.provider.get_dropdown_options(Document, 'category')
eq_(options, [('1/1', 'Brochure'), ('2/1', 'Flyer'), ('3/2', 'Balance Sheet')])
def test_get_dropdown_options_join(self):
options = self.provider.get_dropdown_options(User, 'groups')
eq_(options, [(1, 'Group 0'), (2, 'Group 1'), (3, 'Group 2'), (4, 'Group 3'), (5, 'Group 4')])
def test_get_dropdown_options_join_2(self):
options = self.provider.get_dropdown_options(Group, 'users')
eq_(options, [(1, '*****@*****.**'),])
def test_dropdown_options_warn(self):
provider = SAORMProvider(metadata)
options = provider.get_dropdown_options(User, 'town')
eq_(options, [])
def test_get_relations(self):
relations = self.provider.get_relations(User)
eq_(relations, ['town', 'groups'])
def test_get_synonyms(self):
synonyms = self.provider.get_synonyms(User)
eq_(synonyms, ['password'])
def test_dictify(self):
d = self.provider.dictify(self.user)
eq_(d['groups'], [5])
eq_(d['user_name'], 'asdf')
def test_dictify_limit_fields(self):
d = self.provider.dictify(self.user, fields=['user_name'])
eq_(d['user_name'], 'asdf')
eq_(list(d.keys()), ['user_name'])
def test_dictify_omit_fields(self):
d = self.provider.dictify(self.user, omit_fields=['password', '_password'])
assert 'password' not in list(d.keys())
assert '_password' not in list(d.keys())
assert 'user_name' in list(d.keys())
def test_dictify_dynamic_relation(self):
e = session.query(Permission).first()
d = self.provider.dictify(e)
assert isinstance(d['groups'], list)
def test_dictify_none(self):
d = self.provider.dictify(None)
eq_(d, {})
def test_create(self):
params = {'user_name': 'asdf2', 'password': '******',
'email_address': '*****@*****.**', 'groups':[1,4], 'town':2}
new_user = self.provider.create(User, params)
q_user = self.session.query(User).get(2)
assert q_user == new_user
def test_create_many_to_one_multi(self):
params = {'category': '1/1'}
new_ref = self.provider.create(DocumentCategoryReference, params)
q_ref = self.session.query(DocumentCategoryReference).get(1)
assert new_ref == q_ref
def test_create_many_to_many_multi(self):
params = {'categories': ['1/1', '1/2']}
new_ratingref = self.provider.create(DocumentCategoryTag, params)
q_ratingref = self.session.query(DocumentCategoryTag).get(1)
assert new_ratingref == q_ratingref
def test_query(self):
c, r = self.provider.query(User, limit=20, offset=0)
eq_(len(r), c)
eq_(len(r), 1)
def test_query_order_by(self):
c, r = self.provider.query(Document, limit=20, offset=0, order_by='category')
assert c > 1, r
categories = [x.document_category_id for x in r]
assert categories == list(sorted(categories))
def test_query_order_by_desc(self):
c, r = self.provider.query(Document, limit=20, offset=0, order_by='category', desc=1)
assert c > 1, r
categories = [x.document_category_id for x in r]
assert categories == list(sorted(categories, reverse=True))
def test_query_order_by_multiple(self):
c, r = self.provider.query(Document, limit=20, offset=0, order_by=['category', 'owner'])
assert c > 1, r
categories = [(x.document_category_id, x.owner) for x in r]
assert categories == list(sorted(categories))
c, r = self.provider.query(Document, limit=20, offset=0, order_by=['owner', 'category'])
categories = [(x.owner, x.document_category_id) for x in r]
assert categories == list(sorted(categories)), (categories, list(sorted(categories)))
def test_query_sort_related(self):
cnt, r = self.provider.query(DocumentCategory, order_by=['department'], related_field_names=['name'])
eq_([t.department.name for t in r], ['Accounting', 'Marketing', 'Marketing'])
cnt, r = self.provider.query(DocumentCategory, order_by=['department'],
related_field_names=['name'], desc=True)
eq_([t.department.name for t in r], ['Marketing', 'Marketing', 'Accounting'])
def test_query_sort_related_many(self):
g1 = self.provider.create(Group, {'group_name': 'Alpha'})
g2 = self.provider.create(Group, {'group_name': 'Beta'})
g3 = self.provider.create(Group, {'group_name': 'Zeta'})
u1 = self.provider.create(User, {'user_name': 'User3', 'groups':[g1]})
u2 = self.provider.create(User, {'user_name': 'User1', 'groups':[g2]})
u3 = self.provider.create(User, {'user_name': 'User2', 'groups':[g3]})
cnt, r = self.provider.query(User, order_by=['groups'], related_field_names=['group_name'])
eq_([u.user_name for u in r], ['User3', 'User1', 'asdf', 'User2'])
cnt, r = self.provider.query(User, order_by=['groups'],
related_field_names=['group_name'], desc=True)
eq_([u.user_name for u in r], ['User2', 'asdf', 'User1', 'User3'])
u4 = self.provider.create(User, {'user_name': 'User0', 'groups':[g2, g1]})
cnt, r = self.provider.query(User, order_by=['groups'], related_field_names=['group_name'])
eq_([u.user_name for u in r], ['User3', 'User0','User1', 'asdf', 'User2'])
cnt, r = self.provider.query(User, order_by=['groups'],
related_field_names=['group_name'], desc=True)
eq_([u.user_name for u in r], ['User2', 'asdf', 'User1', 'User0', 'User3'])
def test_query_filters(self):
cnt, r = self.provider.query(Town, filters={'name':'Golden'})
eq_([t.name for t in r], ['Golden'])
def test_query_filters_relations(self):
cnt, r = self.provider.query(User, filters={'town':1})
assert r[0].town.town_id == 1, r
def test_query_filters_relations_many(self):
cnt, r = self.provider.query(User, filters={'groups':[5]})
assert r[0].groups[0].group_id == 5, r
def test_query_filters_substring(self):
cnt, r = self.provider.query(Town, filters={'name':'old'}, substring_filters=['name'])
eq_([t.name for t in r], ['Golden'])
def test_query_filters_substring_escaping(self):
cnt, r = self.provider.query(Town, filters={'name':'o%l%d'}, substring_filters=['name'])
eq_(r, [])
def test_query_filters_substring_notstring(self):
cnt, towns = self.provider.query(Town)
cnt, r = self.provider.query(Town, filters={'town_id':towns[0].town_id}, substring_filters=['town_id'])
eq_([t.name for t in r], [towns[0].name]), r
cnt, r = self.provider.query(Town, filters={'town_id':'not-an-id'}, substring_filters=['town_id'])
eq_(r, []), r
def test_query_filters_substring_insensitive(self):
cnt, r = self.provider.query(Town, filters={'name':'gold'}, substring_filters=['name'])
eq_([t.name for t in r], ['Golden'])
def test_query_filters_substring_disabled(self):
cnt, r = self.provider.query(Town, filters={'name':'old'}, substring_filters=[])
eq_(r, [])
def test_query_filters_relations_search_many2one(self):
cnt, r = self.provider.query(User, filters={'town': 'Arvada'},
search_related=True)
assert cnt == 1, r
assert r[0].email_address == '*****@*****.**', r
def test_query_filters_relations_search_many2many(self):
cnt, r = self.provider.query(Group, filters={'users': '*****@*****.**'},
search_related=True)
assert cnt == 1, r
assert r[0].group_name == 'Group 4', r
def test_query_filters_relations_search_one2many(self):
cnt, r = self.provider.query(Town, filters={'residents': '*****@*****.**'},
search_related=True)
assert cnt == 1, r
assert r[0].name == 'Arvada', r
def test_query_filters_relations_substring_search_many2one(self):
cnt, r = self.provider.query(User, filters={'town': 'Arv'},
search_related=True, substring_filters=['town'])
assert cnt == 1, r
assert r[0].email_address == '*****@*****.**', r
def test_query_filters_relations_substring_search_many2many(self):
cnt, r = self.provider.query(Group, filters={'users': 'asdf'},
search_related=True, substring_filters=['users'])
assert cnt == 1, r
assert r[0].group_name == 'Group 4', r
def test_query_filters_relations_substring_search_one2many(self):
cnt, r = self.provider.query(Town, filters={'residents': 'asdf'},
search_related=True, substring_filters=['residents'])
assert cnt == 1, r
assert r[0].name == 'Arvada', r
def test_query_filters_relations_search_nonstring(self):
cnt, r = self.provider.query(User, filters={'groups': 5},
search_related=True)
assert cnt == 1, r
assert r[0].email_address == '*****@*****.**', r
def test_query_filters_relations_search_empty(self):
cnt, r = self.provider.query(Town, filters={'residents': ''},
search_related=True)
assert cnt == 4, r
def test_update(self):
params = {'user_name': 'asdf2', 'password': '******',
'email_address': '*****@*****.**', 'groups':[1,4], 'town':2}
new_user = self.provider.create(User, params)
params['email_address'] = '*****@*****.**'
params['created'] = '2008-3-30 12:21:21'
params['user_id'] = 2
new_user = self.provider.update(User, params)
q_user = self.session.query(User).get(2)
eq_(new_user.email_address, '*****@*****.**')
def test_update_omit(self):
params = {'user_name': 'asdf2', 'password': '******',
'email_address': '*****@*****.**', 'groups':[1,4], 'town':2}
new_user = self.provider.create(User, params)
params = {}
params['email_address'] = '*****@*****.**'
params['created'] = '2008-3-30 12:21:21'
params['user_id'] = 2
new_user = self.provider.update(User, params, omit_fields=['email_address', 'groups'])
q_user = self.session.query(User).get(2)
eq_(q_user.email_address, '*****@*****.**')
eq_([group.group_id for group in q_user.groups], [1,4])
def test_get_default_values(self):
assert {} == self.provider.get_default_values(User, {})
def test_get_field_default(self):
field = self.provider.get_field(Group, 'created')
has_default, default_value = self.provider.get_field_default(field)
assert has_default == True, default_value
assert datetime.datetime.now().date() == default_value().date()
def test_get(self):
user = self.provider.get(User, params={'user_id':1})
eq_(user['user_name'], 'asdf')
def test_delete(self):
# causes some kind of persistence error in SA 0.7 (rollback not working)
# everything seems ok with SA 1.1.14, maybe it has been fixed
sa_version = sqlalchemy.__version__
if sa_version > '0.6.6' and sa_version < '1.1.14':
raise SkipTest
self.provider.delete(User, params={'user_id': 1})
users = self.session.query(User).all()
assert len(users) == 0
# Tests twice for idempotence
self.provider.delete(User, params={'user_id': 1})
users = self.session.query(User).all()
assert len(users) == 0
def test_modify_params_for_datetimes(self):
params = self.provider._modify_params_for_dates(Example, {'datetime_': '1978-8-29 12:34:56'})
eq_(params, {'datetime_': datetime.datetime(1978, 8, 29, 12, 34, 56)})
def test_modify_params_for_dates(self):
params = self.provider._modify_params_for_dates(Example, {'date_': '1978-8-29'})
eq_(params, {'date_': datetime.date(1978, 8, 29)})
def test_modify_params_for_intervals(self):
params = self.provider._modify_params_for_dates(Example, {'interval': '1 days, 3:20:01'})
eq_(params, {'interval': datetime.timedelta(days=1, hours=3, minutes=20, seconds=1)})
def test_modify_params_for_relationships_params_with_instance_already(self):
group = self.session.query(Group).get(1)
params = {'groups':group}
params = self.provider._modify_params_for_relationships(User, params)
assert params['groups'] == [group], params
def test_get_field_widget_args(self):
a = self.provider.get_field_widget_args(User, 'groups', User.groups)
eq_(a, {'nullable': False, 'provider': self.provider})
def test_create_with_unicode_cast_to_int(self):
self.provider.create(User, dict(user_id='34', user_name='something'))
def test_create_relationships_with_wacky_relation(self):
obj = session.query(Group).first()
params = {'group_id':obj.group_id, 'users':1}
self.provider.update(Group, params)
user = session.query(User).get(1)
assert user in obj.users
def test_create_relationships_remove_groups(self):
obj = session.query(Group).first()
obj.users.append(self.user)
self.provider.update(User, {'user_id':self.user.user_id, 'groups':[]})
session.flush()
user = session.query(User).get(1)
assert user not in obj.users
def test_create_relationships_remove_town(self):
town = session.query(Town).first()
self.user.town = town
self.session.flush()
self.provider.update(User, {'user_id':self.user.user_id, 'town':None})
assert self.user.town is None
class TestSAORMProvider(SproxTest):
def setup(self):
super(TestSAORMProvider, self).setup()
self.provider = SAORMProvider(session)
session.add(Department(department_id=1, name=u'Marketing'))
session.add(Department(department_id=2, name=u'Accounting'))
session.add(DocumentCategory(document_category_id=1, department_id=1, name=u'Brochure'))
session.add(DocumentCategory(document_category_id=2, department_id=1, name=u'Flyer'))
session.add(DocumentCategory(document_category_id=3, department_id=2, name=u'Balance Sheet'))
#session.add(DocumentRating(user_id=1, document_id=1, rating=5))
session.flush()
def test_get_fields_with_func(self):
eq_(self.provider.get_fields(lambda: Town), ['town_id', 'name', 'town_id', 'name'])
def test_isbinary_related(self):
assert not self.provider.is_binary(User, 'groups')
def test_isbinary_synonym(self):
assert not self.provider.is_binary(User, 'password')
assert self.provider.is_binary(File, 'content')
def test_binary_create(self):
fs = FieldStorage()
fs.file = StringIO('fake_content')
values = {'data':fs}
self.provider.create(File, values)
def test_binary_update(self):
fs = FieldStorage()
fs.file = StringIO('fake_content')
values = {'data':fs}
entity = self.provider.create(File, values)
values = {'data':fs, 'file_id':entity.file_id}
self.provider.update(File, values)
def test_create_with_engine(self):
provider = SAORMProvider(engine)
assert provider.engine == engine
def test_create_with_metadata(self):
provider = SAORMProvider(metadata)
assert provider.engine == engine
def test_create_with_session(self):
provider = SAORMProvider(session)
assert provider.engine == engine
def test_get_entity(self):
entity = self.provider.get_entity('User')
assert entity == User
@raises(KeyError)
def test_get_entity_non_matching_engine(self):
entity = self.provider.get_entity('OtherClass')
def test_get_primary_fields(self):
fields = self.provider.get_primary_fields(User)
eq_(fields, ['user_id'])
def test_get_primary_fields_multi(self):
fields = self.provider.get_primary_fields(DocumentCategory)
eq_(fields, ['document_category_id', 'department_id'])
def test_get_primary_field_function(self):
field = self.provider.get_primary_field(lambda: User)
eq_(field, 'user_id')
def test_get_view_field_name(self):
field = self.provider.get_view_field_name(Group, ['name'])
eq_(field, 'group_name')
def test_get_view_field_name_with_title(self):
"""
if it exists, saormprovider should use the 'title' info attribute to
determine the title column
"""
field = self.provider.get_view_field_name(User, ['name'])
eq_(field, 'email_address')
def test_get_view_field_name_not_found(self):
field = self.provider.get_view_field_name(Group, [])
eq_(field, 'group_id')
def test_get_dropdown_options_fk(self):
options = self.provider.get_dropdown_options(User, 'town')
eq_(options, [(1, u'Arvada'), (2, u'Denver'), (3, u'Golden'), (4, u'Boulder')])
def test_get_dropdown_options_fk_multi(self):
options = self.provider.get_dropdown_options(Document, 'category')
eq_(options, [('1/1', u'Brochure'), ('2/1', u'Flyer'), ('3/2', u'Balance Sheet')])
def test_get_dropdown_options_join(self):
options = self.provider.get_dropdown_options(User, 'groups')
eq_(options, [(1, u'0'), (2, u'1'), (3, u'2'), (4, u'3'), (5, u'4')])
def test_get_dropdown_options_join_2(self):
options = self.provider.get_dropdown_options(Group, 'users')
eq_(options, [(1, u'*****@*****.**'),])
def test_dropdown_options_warn(self):
provider = SAORMProvider(metadata)
options = provider.get_dropdown_options(User, 'town')
eq_(options, [])
def test_get_relations(self):
relations = self.provider.get_relations(User)
eq_(relations, ['town', 'groups'])
def test_get_synonyms(self):
synonyms = self.provider.get_synonyms(User)
eq_(synonyms, ['password'])
def test_dictify(self):
d = self.provider.dictify(self.user)
eq_(d['groups'], [5])
eq_(d['user_name'], 'asdf')
def test_dictify_limit_fields(self):
d = self.provider.dictify(self.user, fields=['user_name'])
eq_(d['user_name'], 'asdf')
eq_(d.keys(), ['user_name'])
def test_dictify_omit_fields(self):
d = self.provider.dictify(self.user, omit_fields=['password', '_password'])
assert 'password' not in d.keys()
assert '_password' not in d.keys()
assert 'user_name' in d.keys()
def test_dictify_none(self):
d = self.provider.dictify(None)
eq_(d, {})
def test_create(self):
params = {'user_name':u'asdf2', 'password':u'asdf2', 'email_address':u'*****@*****.**', 'groups':[1,4], 'town':2}
new_user = self.provider.create(User, params)
q_user = self.session.query(User).get(2)
assert q_user == new_user
def test_create_many_to_one_multi(self):
params = {'category': '1/1'}
new_ref = self.provider.create(DocumentCategoryReference, params)
q_ref = self.session.query(DocumentCategoryReference).get(1)
assert new_ref == q_ref
def test_create_many_to_many_multi(self):
params = {'categories': ['1/1', '1/2']}
new_ratingref = self.provider.create(DocumentCategoryTag, params)
q_ratingref = self.session.query(DocumentCategoryTag).get(1)
assert new_ratingref == q_ratingref
def test_query(self):
r = self.provider.query(User, limit=20, offset=0)
eq_(len(r), 2)
def test_query_order_by(self):
r = self.provider.query(Document, limit=20, offset=0, order_by='category')
eq_(len(r), 2)
def test_update(self):
params = {'user_name':u'asdf2', 'password':u'asdf2', 'email_address':u'*****@*****.**', 'groups':[1,4], 'town':2}
new_user = self.provider.create(User, params)
params['email_address'] = u'*****@*****.**'
params['created'] = '2008-3-30 12:21:21'
params['user_id'] = 2
new_user = self.provider.update(User, params)
q_user = self.session.query(User).get(2)
eq_(new_user.email_address, u'*****@*****.**')
def test_update_omit(self):
params = {'user_name':u'asdf2', 'password':u'asdf2', 'email_address':u'*****@*****.**', 'groups':[1,4], 'town':2}
new_user = self.provider.create(User, params)
params = {}
params['email_address'] = u'*****@*****.**'
params['created'] = '2008-3-30 12:21:21'
params['user_id'] = 2
new_user = self.provider.update(User, params, omit_fields=['email_address', 'groups'])
q_user = self.session.query(User).get(2)
eq_(q_user.email_address, u'*****@*****.**')
eq_([group.group_id for group in q_user.groups], [1,4])
def test_get_default_values(self):
assert {} == self.provider.get_default_values(User, {})
def test_get(self):
user = self.provider.get(User, params={'user_id':1})
eq_(user['user_name'], 'asdf')
def test_delete(self):
#causes some kind of persistence error in SA 0.7 (rollback not working)
if sqlalchemy.__version__ > '0.6.6':
raise SkipTest
user = self.provider.delete(User, params={'user_id':1})
users = self.session.query(User).all()
assert len(users) == 0
def test_modify_params_for_datetimes(self):
params = self.provider._modify_params_for_dates(Example, {'datetime_': '1978-8-29 12:34:56'})
eq_(params, {'datetime_': datetime.datetime(1978, 8, 29, 12, 34, 56)})
def test_modify_params_for_dates(self):
params = self.provider._modify_params_for_dates(Example, {'date_': '1978-8-29'})
eq_(params, {'date_': datetime.date(1978, 8, 29)})
def test_modify_params_for_intervals(self):
params = self.provider._modify_params_for_dates(Example, {'interval': '1 days, 3:20:01'})
eq_(params, {'interval': datetime.timedelta(days=1, hours=3, minutes=20, seconds=1)})
def test_modify_params_for_relationships_params_with_instance_already(self):
group = self.session.query(Group).get(1)
params = {'groups':group}
params = self.provider._modify_params_for_relationships(User, params)
assert params['groups'] == [group], params
def test_get_field_widget_args(self):
a = self.provider.get_field_widget_args(User, 'groups', User.groups)
eq_(a, {'nullable': False, 'provider': self.provider})
def test_create_with_unicode_cast_to_int(self):
self.provider.create(User, dict(user_id=u'34', user_name=u'something'))
def test_create_relationships_with_wacky_relation(self):
obj = session.query(Group).first()
params = {'group_id':obj.group_id, 'users':1}
self.provider.update(Group, params)
user = session.query(User).get(1)
assert user in obj.users
def test_create_relationships_remove_groups(self):
obj = session.query(Group).first()
obj.users.append(self.user)
self.provider.update(User, {'user_id':self.user.user_id, 'groups':[]})
session.flush()
user = session.query(User).get(1)
assert user not in obj.users
def test_create_relationships_remove_town(self):
town = session.query(Town).first()
self.user.town = town
self.session.flush()
self.provider.update(User, {'user_id':self.user.user_id, 'town':None})
assert self.user.town is None