mongoengine/tests/queryset/test_modify.py
2021-03-29 21:50:22 +02:00

136 lines
4.4 KiB
Python

import unittest
from mongoengine import (
connect,
Document,
IntField,
ListField,
StringField,
)
class Doc(Document):
id = IntField(primary_key=True)
value = IntField()
class TestFindAndModify(unittest.TestCase):
def setUp(self):
connect(db="mongoenginetest")
Doc.drop_collection()
def assertDbEqual(self, docs):
assert list(Doc._collection.find().sort("id")) == docs
def test_modify(self):
Doc(id=0, value=0).save()
doc = Doc(id=1, value=1).save()
old_doc = Doc.objects(id=1).modify(set__value=-1)
assert old_doc.to_json() == doc.to_json()
self.assertDbEqual([{"_id": 0, "value": 0}, {"_id": 1, "value": -1}])
def test_modify_with_new(self):
Doc(id=0, value=0).save()
doc = Doc(id=1, value=1).save()
new_doc = Doc.objects(id=1).modify(set__value=-1, new=True)
doc.value = -1
assert new_doc.to_json() == doc.to_json()
self.assertDbEqual([{"_id": 0, "value": 0}, {"_id": 1, "value": -1}])
def test_modify_not_existing(self):
Doc(id=0, value=0).save()
assert Doc.objects(id=1).modify(set__value=-1) is None
self.assertDbEqual([{"_id": 0, "value": 0}])
def test_modify_with_upsert(self):
Doc(id=0, value=0).save()
old_doc = Doc.objects(id=1).modify(set__value=1, upsert=True)
assert old_doc is None
self.assertDbEqual([{"_id": 0, "value": 0}, {"_id": 1, "value": 1}])
def test_modify_with_upsert_existing(self):
Doc(id=0, value=0).save()
doc = Doc(id=1, value=1).save()
old_doc = Doc.objects(id=1).modify(set__value=-1, upsert=True)
assert old_doc.to_json() == doc.to_json()
self.assertDbEqual([{"_id": 0, "value": 0}, {"_id": 1, "value": -1}])
def test_modify_with_upsert_with_new(self):
Doc(id=0, value=0).save()
new_doc = Doc.objects(id=1).modify(upsert=True, new=True, set__value=1)
assert new_doc.to_mongo() == {"_id": 1, "value": 1}
self.assertDbEqual([{"_id": 0, "value": 0}, {"_id": 1, "value": 1}])
def test_modify_with_remove(self):
Doc(id=0, value=0).save()
doc = Doc(id=1, value=1).save()
old_doc = Doc.objects(id=1).modify(remove=True)
assert old_doc.to_json() == doc.to_json()
self.assertDbEqual([{"_id": 0, "value": 0}])
def test_find_and_modify_with_remove_not_existing(self):
Doc(id=0, value=0).save()
assert Doc.objects(id=1).modify(remove=True) is None
self.assertDbEqual([{"_id": 0, "value": 0}])
def test_modify_with_order_by(self):
Doc(id=0, value=3).save()
Doc(id=1, value=2).save()
Doc(id=2, value=1).save()
doc = Doc(id=3, value=0).save()
old_doc = Doc.objects().order_by("-id").modify(set__value=-1)
assert old_doc.to_json() == doc.to_json()
self.assertDbEqual(
[
{"_id": 0, "value": 3},
{"_id": 1, "value": 2},
{"_id": 2, "value": 1},
{"_id": 3, "value": -1},
]
)
def test_modify_with_fields(self):
Doc(id=0, value=0).save()
Doc(id=1, value=1).save()
old_doc = Doc.objects(id=1).only("id").modify(set__value=-1)
assert old_doc.to_mongo() == {"_id": 1}
self.assertDbEqual([{"_id": 0, "value": 0}, {"_id": 1, "value": -1}])
def test_modify_with_push(self):
class BlogPost(Document):
tags = ListField(StringField())
BlogPost.drop_collection()
blog = BlogPost.objects.create()
# Push a new tag via modify with new=False (default).
BlogPost(id=blog.id).modify(push__tags="code")
assert blog.tags == []
blog.reload()
assert blog.tags == ["code"]
# Push a new tag via modify with new=True.
blog = BlogPost.objects(id=blog.id).modify(push__tags="java", new=True)
assert blog.tags == ["code", "java"]
# Push a new tag with a positional argument.
blog = BlogPost.objects(id=blog.id).modify(push__tags__0="python", new=True)
assert blog.tags == ["python", "code", "java"]
# Push multiple new tags with a positional argument.
blog = BlogPost.objects(id=blog.id).modify(
push__tags__1=["go", "rust"], new=True
)
assert blog.tags == ["python", "go", "rust", "code", "java"]
if __name__ == "__main__":
unittest.main()