----- Original Message -----
> From: "Xavier Pegenaute" <[email protected]>
> To: [email protected]
> Sent: Saturday, 7 February, 2015 11:09:10 PM
> Subject: How to Mock a mongodb
>
> Dear,
>
> I am trying to mock the use of a mongo db and I am having some
> trouble.
> Appears that I am not able to return a desired value from
> mongo.find().count(). I made a proof of concept to try to reduce
> complexity of the real problem.
>
> You can find the code which is going to be tested in [1], and the
> code
> of the test case in [2].
>
> Do you know exactly wat's wrong with it?, or may you point me to some
> direction?
>
> Thanks,
> Xavi
You've mocked the pymongo.cursor but since you've mocked the entire mongo
client, this mocked client will never return a pymongo.cursor, it will return
only mock objects.
What you can do is mock the entire chain call of you mocked client:
from mock import patch
from mmongo import MongoHelper
class TestMongoHelper(object):
@patch("mmongo.pymongo")
def test_count_data(self, fake_mongo_client):
mhelper = MongoHelper()
# mock self.db[MongoHelper.db_name][MongoHelper.coll_name].find().count()
fake_mongo_client.__getitem__.return_value.__getitem__.return_value.find.return_value.count.return_value
= 5
JM
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