mongoengine/tests/utils.py
Bastien Gérard 35b7efe3f4 refactored deprecated pymongo methods in tests
- remove/count/add_user/insert
- added pymongo_support
2019-03-02 00:28:38 +01:00

97 lines
2.5 KiB
Python

import unittest
from nose.plugins.skip import SkipTest
from mongoengine import connect
from mongoengine.connection import get_db, get_connection
from mongoengine.pymongo_support import IS_PYMONGO_3
MONGO_TEST_DB = 'mongoenginetest' # standard name for the test database
# Constant that can be used to compare the version retrieved with
# get_mongodb_version()
MONGODB_26 = (2, 6)
MONGODB_3 = (3, 0)
MONGODB_32 = (3, 2)
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):
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_as_pymongo(doc):
"""Fetch the pymongo version of a certain Document"""
return doc.__class__.objects.as_pymongo().get(id=doc.id)
def get_mongodb_version():
"""Return the version of the connected mongoDB (first 2 digits)
:return: tuple(int, int)
"""
version_list = get_connection().server_info()['versionArray'][:2] # e.g: (3, 2)
return tuple(version_list)
def _decorated_with_ver_requirement(func, version):
"""Return a given function decorated with the version requirement
for a particular MongoDB version tuple.
:param version: The version required (tuple(int, int))
"""
def _inner(*args, **kwargs):
MONGODB_V = get_mongodb_version()
if MONGODB_V >= version:
return func(*args, **kwargs)
raise SkipTest('Needs MongoDB v{}+'.format('.'.join(str(n) for n in version)))
_inner.__name__ = func.__name__
_inner.__doc__ = func.__doc__
return _inner
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)
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)
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