unrhodecode/rhodecode/tests/lib/test_jsonalchemy.py
2025-01-13 17:47:37 +01:00

97 lines
3.4 KiB
Python

# Copyright (C) 2016-2024 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() == (("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() == (
("stuff", "[1,2,3]", '{"a":5}', "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