mongoengine/tests/utils.py
2019-05-15 22:23:35 +02:00

82 lines
2.5 KiB
Python

import operator
import unittest
from nose.plugins.skip import SkipTest
from mongoengine import connect
from mongoengine.connection import get_db, disconnect_all
from mongoengine.mongodb_support import get_mongodb_version, MONGODB_26, MONGODB_3, MONGODB_32, MONGODB_34
MONGO_TEST_DB = 'mongoenginetest' # standard name for the test database
class MongoDBTestCase(unittest.TestCase):
"""Base class for tests that need a mongodb connection
It ensures that the db is clean at the beginning and dropped at the end automatically
"""
@classmethod
def setUpClass(cls):
disconnect_all()
cls._connection = connect(db=MONGO_TEST_DB)
cls._connection.drop_database(MONGO_TEST_DB)
cls.db = get_db()
@classmethod
def tearDownClass(cls):
cls._connection.drop_database(MONGO_TEST_DB)
disconnect_all()
def get_as_pymongo(doc):
"""Fetch the pymongo version of a certain Document"""
return doc.__class__.objects.as_pymongo().get(id=doc.id)
def _decorated_with_ver_requirement(func, mongo_version_req, oper):
"""Return a given function decorated with the version requirement
for a particular MongoDB version tuple.
:param mongo_version_req: The mongodb version requirement (tuple(int, int))
:param oper: The operator to apply (e.g: operator.ge)
"""
def _inner(*args, **kwargs):
mongodb_v = get_mongodb_version()
if oper(mongodb_v, mongo_version_req):
return func(*args, **kwargs)
raise SkipTest('Needs MongoDB v{}+'.format('.'.join(str(n) for n in mongo_version_req)))
_inner.__name__ = func.__name__
_inner.__doc__ = func.__doc__
return _inner
def requires_mongodb_gte_34(func):
"""Raise a SkipTest exception if we're working with MongoDB version
lower than v3.4
"""
return _decorated_with_ver_requirement(func, MONGODB_34, oper=operator.ge)
def requires_mongodb_lte_32(func):
"""Raise a SkipTest exception if we're working with MongoDB version
greater than v3.2.
"""
return _decorated_with_ver_requirement(func, MONGODB_32, oper=operator.le)
def requires_mongodb_gte_26(func):
"""Raise a SkipTest exception if we're working with MongoDB version
lower than v2.6.
"""
return _decorated_with_ver_requirement(func, MONGODB_26, oper=operator.ge)
def requires_mongodb_gte_3(func):
"""Raise a SkipTest exception if we're working with MongoDB version
lower than v3.0.
"""
return _decorated_with_ver_requirement(func, MONGODB_3, oper=operator.ge)