mongoengine/tests/utils.py
Stefan Wojcik e20a34857d fix py3
2017-02-26 12:11:21 -05:00

79 lines
2.1 KiB
Python

import unittest
from nose.plugins.skip import SkipTest
from mongoengine import connect
from mongoengine.connection import get_db, get_connection
from mongoengine.python_support import IS_PYMONGO_3
MONGO_TEST_DB = 'mongoenginetest'
class MongoDBTestCase(unittest.TestCase):
"""Base class for tests that need a mongodb connection
db is being dropped automatically
"""
@classmethod
def setUpClass(cls):
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)
def get_mongodb_version():
"""Return the version tuple of the MongoDB server that the default
connection is connected to.
"""
return tuple(get_connection().server_info()['versionArray'])
def _decorated_with_ver_requirement(func, ver_tuple):
"""Return a given function decorated with the version requirement
for a particular MongoDB version tuple.
"""
def _inner(*args, **kwargs):
mongodb_ver = get_mongodb_version()
if mongodb_ver >= ver_tuple:
return func(*args, **kwargs)
raise SkipTest('Needs MongoDB v{}+'.format(
'.'.join([str(v) for v in ver_tuple])
))
_inner.__name__ = func.__name__
_inner.__doc__ = func.__doc__
return _inner
def needs_mongodb_v26(func):
"""Raise a SkipTest exception if we're working with MongoDB version
lower than v2.6.
"""
return _decorated_with_ver_requirement(func, (2, 6))
def needs_mongodb_v3(func):
"""Raise a SkipTest exception if we're working with MongoDB version
lower than v3.0.
"""
return _decorated_with_ver_requirement(func, (3, 0))
def skip_pymongo3(f):
"""Raise a SkipTest exception if we're running a test against
PyMongo v3.x.
"""
def _inner(*args, **kwargs):
if IS_PYMONGO_3:
raise SkipTest("Useless with PyMongo 3+")
return f(*args, **kwargs)
_inner.__name__ = f.__name__
_inner.__doc__ = f.__doc__
return _inner