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test_jsonalchemy.py
107 lines | 3.5 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2016-2020 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import pickle
import pytest
from sqlalchemy import Column, String, create_engine
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base
from rhodecode.lib.jsonalchemy import (
MutationDict, MutationList, MutationObj, JsonType)
@pytest.fixture()
def engine():
return create_engine('sqlite://')
@pytest.fixture()
def session(engine):
return sessionmaker(bind=engine)()
def test_mutation_dict_is_picklable():
mutation_dict = MutationDict({'key1': 'value1', 'key2': 'value2'})
dumped = pickle.dumps(mutation_dict)
loaded = pickle.loads(dumped)
assert loaded == mutation_dict
def test_mutation_list_is_picklable():
mutation_list = MutationList(['a', 'b', 'c'])
dumped = pickle.dumps(mutation_list)
loaded = pickle.loads(dumped)
assert loaded == mutation_list
def test_mutation_dict_with_lists_is_picklable():
mutation_dict = MutationDict({
'key': MutationList(['values', MutationDict({'key': 'value'})])
})
dumped = pickle.dumps(mutation_dict)
loaded = pickle.loads(dumped)
assert loaded == mutation_dict
def test_mutation_types_with_nullable(engine, session):
# TODO: dan: ideally want to make this parametrized python => sql tests eg:
# (MutationObj, 5) => '5'
# (MutationObj, {'a': 5}) => '{"a": 5}'
# (MutationObj, None) => 'null' <- think about if None is 'null' or NULL
Base = declarative_base()
class DummyModel(Base):
__tablename__ = 'some_table'
name = Column(String, primary_key=True)
json_list = Column(MutationList.as_mutable(JsonType('list')))
json_dict = Column(MutationDict.as_mutable(JsonType('dict')))
json_obj = Column(MutationObj.as_mutable(JsonType()))
Base.metadata.create_all(engine)
obj_nulls = DummyModel(name='nulls')
obj_stuff = DummyModel(
name='stuff', json_list=[1,2,3], json_dict={'a': 5}, json_obj=9)
session.add(obj_nulls)
session.add(obj_stuff)
session.commit()
session.expire_all()
assert engine.execute(
"select * from some_table where name = 'nulls';").first() == (
(u'nulls', None, None, None)
)
ret_nulls = session.query(DummyModel).get('nulls')
assert ret_nulls.json_list == []
assert ret_nulls.json_dict == {}
assert ret_nulls.json_obj is None
assert engine.execute(
"select * from some_table where name = 'stuff';").first() == (
(u'stuff', u'[1, 2, 3]', u'{"a": 5}', u'9')
)
ret_stuff = session.query(DummyModel).get('stuff')
assert ret_stuff.json_list == [1, 2, 3]
assert ret_stuff.json_dict == {'a': 5}
assert ret_stuff.json_obj == 9