Hi everybody,
I'm facing the following problem with Mongodb.
I've got the following model :
from mongoengine import Document, StringField, DateTimeField
class Author(Document):
name = StringField(max_length=50, required=True)
first_name = StringField(max_length=50, required=True,
unique_with='name')
birthday = DateTimeField(default=None)
death_day = DateTimeField(default=None)
meta = {
'indexes': [('name', '+first_name')]
}
Nothing special there, except that 'firstname' should be unique with 'name'.
I wrote the following test suite :
from django.test import TestCase
from les_classiques.models import Author
import mongoengine
class DatabaseTest(TestCase):
def setUp(self):
db = mongoengine.connection.get_db()
for collection in
db.collection_names(include_system_collections=False):
db.drop_collection(collection)
def test_insert_new_author(self):
author = Author(name='Hugo', first_name='Victor')
author.save()
db_author = Author.objects(name='Hugo', first_name='Victor')[0]
self.assertEqual(db_author.name, 'Hugo')
def test_insert_duplicate_author_failure(self):
author = Author(name='Peguy', first_name='Charles')
author2 = Author(name='Peguy', first_name='Charles')
author.save()
self.assertRaises(mongoengine.NotUniqueError, author2.save)
The second test fails with the following error : "AssertionError:
NotUniqueError not raised by save"
It's very strange. After some tests, I realized that the objects of the
second function, are created with a duplicate key :
> db.author.find()
{ "_id" : ObjectId("530c96b7893e2808f8435e49"), "name" : "Peguy",
"first_name" : "Charles" }
{ "_id" : ObjectId("530c96b7893e2808f8435e4a"), "name" : "Peguy",
"first_name" : "Charles" }
I read the docs, this should work. StringField inherits from BaseField and
should accept unique_with parameter.
Any idea ?
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