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add a $rename operator

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This commit is contained in:
Stefan Wojcik 2016-12-28 22:57:14 -05:00
parent b7ec587e5b
commit 36193e2f8b
2 changed files with 14 additions and 1 deletions
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2
mongoengine/base/common.py
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@ -5,7 +5,7 @@ __all__ = ('UPDATE_OPERATORS', 'get_document', '_document_registry')
UPDATE_OPERATORS = set(['set', 'unset', 'inc', 'dec', 'pop', 'push',
'push_all', 'pull', 'pull_all', 'add_to_set',
'set_on_insert', 'min', 'max'])
'set_on_insert', 'min', 'max', 'rename'])
_document_registry = {}

13
tests/document/instance.py
View File

@ -1232,6 +1232,19 @@ class InstanceTest(unittest.TestCase):
self.assertEqual(person.name, None)
self.assertEqual(person.age, None)
def test_update_rename_operator(self):
"""Test the $rename operator."""
coll = self.Person._get_collection()
doc = self.Person(name='John').save()
raw_doc = coll.find_one({'_id': doc.pk})
self.assertEqual(set(raw_doc.keys()), set(['_id', '_cls', 'name']))
doc.update(rename__name='first_name')
raw_doc = coll.find_one({'_id': doc.pk})
self.assertEqual(set(raw_doc.keys()),
set(['_id', '_cls', 'first_name']))
self.assertEqual(raw_doc['first_name'], 'John')
def test_inserts_if_you_set_the_pk(self):
p1 = self.Person(name='p1', id=bson.ObjectId()).save()
p2 = self.Person(name='p2')