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