mongoengine/tests/document/test_dynamic.py
2019-10-31 22:59:49 +01:00

426 lines
12 KiB
Python

import unittest
from mongoengine import *
from tests.utils import MongoDBTestCase
import pytest
__all__ = ("TestDynamicDocument",)
class TestDynamicDocument(MongoDBTestCase):
def setUp(self):
super(TestDynamicDocument, self).setUp()
class Person(DynamicDocument):
name = StringField()
meta = {"allow_inheritance": True}
Person.drop_collection()
self.Person = Person
def test_simple_dynamic_document(self):
"""Ensures simple dynamic documents are saved correctly"""
p = self.Person()
p.name = "James"
p.age = 34
assert p.to_mongo() == {"_cls": "Person", "name": "James", "age": 34}
assert p.to_mongo().keys() == ["_cls", "name", "age"]
p.save()
assert p.to_mongo().keys() == ["_id", "_cls", "name", "age"]
assert self.Person.objects.first().age == 34
# Confirm no changes to self.Person
assert not hasattr(self.Person, "age")
def test_change_scope_of_variable(self):
"""Test changing the scope of a dynamic field has no adverse effects"""
p = self.Person()
p.name = "Dean"
p.misc = 22
p.save()
p = self.Person.objects.get()
p.misc = {"hello": "world"}
p.save()
p = self.Person.objects.get()
assert p.misc == {"hello": "world"}
def test_delete_dynamic_field(self):
"""Test deleting a dynamic field works"""
self.Person.drop_collection()
p = self.Person()
p.name = "Dean"
p.misc = 22
p.save()
p = self.Person.objects.get()
p.misc = {"hello": "world"}
p.save()
p = self.Person.objects.get()
assert p.misc == {"hello": "world"}
collection = self.db[self.Person._get_collection_name()]
obj = collection.find_one()
assert sorted(obj.keys()) == ["_cls", "_id", "misc", "name"]
del p.misc
p.save()
p = self.Person.objects.get()
assert not hasattr(p, "misc")
obj = collection.find_one()
assert sorted(obj.keys()) == ["_cls", "_id", "name"]
def test_reload_after_unsetting(self):
p = self.Person()
p.misc = 22
p.save()
p.update(unset__misc=1)
p.reload()
def test_reload_dynamic_field(self):
self.Person.objects.delete()
p = self.Person.objects.create()
p.update(age=1)
assert len(p._data) == 3
assert sorted(p._data.keys()) == ["_cls", "id", "name"]
p.reload()
assert len(p._data) == 4
assert sorted(p._data.keys()) == ["_cls", "age", "id", "name"]
def test_fields_without_underscore(self):
"""Ensure we can query dynamic fields"""
Person = self.Person
p = self.Person(name="Dean")
p.save()
raw_p = Person.objects.as_pymongo().get(id=p.id)
assert raw_p == {"_cls": u"Person", "_id": p.id, "name": u"Dean"}
p.name = "OldDean"
p.newattr = "garbage"
p.save()
raw_p = Person.objects.as_pymongo().get(id=p.id)
assert raw_p == {
"_cls": u"Person",
"_id": p.id,
"name": "OldDean",
"newattr": u"garbage",
}
def test_fields_containing_underscore(self):
"""Ensure we can query dynamic fields"""
class WeirdPerson(DynamicDocument):
name = StringField()
_name = StringField()
WeirdPerson.drop_collection()
p = WeirdPerson(name="Dean", _name="Dean")
p.save()
raw_p = WeirdPerson.objects.as_pymongo().get(id=p.id)
assert raw_p == {"_id": p.id, "_name": u"Dean", "name": u"Dean"}
p.name = "OldDean"
p._name = "NewDean"
p._newattr1 = "garbage" # Unknown fields won't be added
p.save()
raw_p = WeirdPerson.objects.as_pymongo().get(id=p.id)
assert raw_p == {"_id": p.id, "_name": u"NewDean", "name": u"OldDean"}
def test_dynamic_document_queries(self):
"""Ensure we can query dynamic fields"""
p = self.Person()
p.name = "Dean"
p.age = 22
p.save()
assert 1 == self.Person.objects(age=22).count()
p = self.Person.objects(age=22)
p = p.get()
assert 22 == p.age
def test_complex_dynamic_document_queries(self):
class Person(DynamicDocument):
name = StringField()
Person.drop_collection()
p = Person(name="test")
p.age = "ten"
p.save()
p1 = Person(name="test1")
p1.age = "less then ten and a half"
p1.save()
p2 = Person(name="test2")
p2.age = 10
p2.save()
assert Person.objects(age__icontains="ten").count() == 2
assert Person.objects(age__gte=10).count() == 1
def test_complex_data_lookups(self):
"""Ensure you can query dynamic document dynamic fields"""
p = self.Person()
p.misc = {"hello": "world"}
p.save()
assert 1 == self.Person.objects(misc__hello="world").count()
def test_three_level_complex_data_lookups(self):
"""Ensure you can query three level document dynamic fields"""
self.Person.objects.create(misc={"hello": {"hello2": "world"}})
assert 1 == self.Person.objects(misc__hello__hello2="world").count()
def test_complex_embedded_document_validation(self):
"""Ensure embedded dynamic documents may be validated"""
class Embedded(DynamicEmbeddedDocument):
content = URLField()
class Doc(DynamicDocument):
pass
Doc.drop_collection()
doc = Doc()
embedded_doc_1 = Embedded(content="http://mongoengine.org")
embedded_doc_1.validate()
embedded_doc_2 = Embedded(content="this is not a url")
with pytest.raises(ValidationError):
embedded_doc_2.validate()
doc.embedded_field_1 = embedded_doc_1
doc.embedded_field_2 = embedded_doc_2
with pytest.raises(ValidationError):
doc.validate()
def test_inheritance(self):
"""Ensure that dynamic document plays nice with inheritance"""
class Employee(self.Person):
salary = IntField()
Employee.drop_collection()
assert "name" in Employee._fields
assert "salary" in Employee._fields
assert Employee._get_collection_name() == self.Person._get_collection_name()
joe_bloggs = Employee()
joe_bloggs.name = "Joe Bloggs"
joe_bloggs.salary = 10
joe_bloggs.age = 20
joe_bloggs.save()
assert 1 == self.Person.objects(age=20).count()
assert 1 == Employee.objects(age=20).count()
joe_bloggs = self.Person.objects.first()
assert isinstance(joe_bloggs, Employee)
def test_embedded_dynamic_document(self):
"""Test dynamic embedded documents"""
class Embedded(DynamicEmbeddedDocument):
pass
class Doc(DynamicDocument):
pass
Doc.drop_collection()
doc = Doc()
embedded_1 = Embedded()
embedded_1.string_field = "hello"
embedded_1.int_field = 1
embedded_1.dict_field = {"hello": "world"}
embedded_1.list_field = ["1", 2, {"hello": "world"}]
doc.embedded_field = embedded_1
assert doc.to_mongo() == {
"embedded_field": {
"_cls": "Embedded",
"string_field": "hello",
"int_field": 1,
"dict_field": {"hello": "world"},
"list_field": ["1", 2, {"hello": "world"}],
}
}
doc.save()
doc = Doc.objects.first()
assert doc.embedded_field.__class__ == Embedded
assert doc.embedded_field.string_field == "hello"
assert doc.embedded_field.int_field == 1
assert doc.embedded_field.dict_field == {"hello": "world"}
assert doc.embedded_field.list_field == ["1", 2, {"hello": "world"}]
def test_complex_embedded_documents(self):
"""Test complex dynamic embedded documents setups"""
class Embedded(DynamicEmbeddedDocument):
pass
class Doc(DynamicDocument):
pass
Doc.drop_collection()
doc = Doc()
embedded_1 = Embedded()
embedded_1.string_field = "hello"
embedded_1.int_field = 1
embedded_1.dict_field = {"hello": "world"}
embedded_2 = Embedded()
embedded_2.string_field = "hello"
embedded_2.int_field = 1
embedded_2.dict_field = {"hello": "world"}
embedded_2.list_field = ["1", 2, {"hello": "world"}]
embedded_1.list_field = ["1", 2, embedded_2]
doc.embedded_field = embedded_1
assert doc.to_mongo() == {
"embedded_field": {
"_cls": "Embedded",
"string_field": "hello",
"int_field": 1,
"dict_field": {"hello": "world"},
"list_field": [
"1",
2,
{
"_cls": "Embedded",
"string_field": "hello",
"int_field": 1,
"dict_field": {"hello": "world"},
"list_field": ["1", 2, {"hello": "world"}],
},
],
}
}
doc.save()
doc = Doc.objects.first()
assert doc.embedded_field.__class__ == Embedded
assert doc.embedded_field.string_field == "hello"
assert doc.embedded_field.int_field == 1
assert doc.embedded_field.dict_field == {"hello": "world"}
assert doc.embedded_field.list_field[0] == "1"
assert doc.embedded_field.list_field[1] == 2
embedded_field = doc.embedded_field.list_field[2]
assert embedded_field.__class__ == Embedded
assert embedded_field.string_field == "hello"
assert embedded_field.int_field == 1
assert embedded_field.dict_field == {"hello": "world"}
assert embedded_field.list_field == ["1", 2, {"hello": "world"}]
def test_dynamic_and_embedded(self):
"""Ensure embedded documents play nicely"""
class Address(EmbeddedDocument):
city = StringField()
class Person(DynamicDocument):
name = StringField()
Person.drop_collection()
Person(name="Ross", address=Address(city="London")).save()
person = Person.objects.first()
person.address.city = "Lundenne"
person.save()
assert Person.objects.first().address.city == "Lundenne"
person = Person.objects.first()
person.address = Address(city="Londinium")
person.save()
assert Person.objects.first().address.city == "Londinium"
person = Person.objects.first()
person.age = 35
person.save()
assert Person.objects.first().age == 35
def test_dynamic_embedded_works_with_only(self):
"""Ensure custom fieldnames on a dynamic embedded document are found by qs.only()"""
class Address(DynamicEmbeddedDocument):
city = StringField()
class Person(DynamicDocument):
address = EmbeddedDocumentField(Address)
Person.drop_collection()
Person(
name="Eric", address=Address(city="San Francisco", street_number="1337")
).save()
assert Person.objects.first().address.street_number == "1337"
assert (
Person.objects.only("address__street_number").first().address.street_number
== "1337"
)
def test_dynamic_and_embedded_dict_access(self):
"""Ensure embedded dynamic documents work with dict[] style access"""
class Address(EmbeddedDocument):
city = StringField()
class Person(DynamicDocument):
name = StringField()
Person.drop_collection()
Person(name="Ross", address=Address(city="London")).save()
person = Person.objects.first()
person.attrval = "This works"
person["phone"] = "555-1212" # but this should too
# Same thing two levels deep
person["address"]["city"] = "Lundenne"
person.save()
assert Person.objects.first().address.city == "Lundenne"
assert Person.objects.first().phone == "555-1212"
person = Person.objects.first()
person.address = Address(city="Londinium")
person.save()
assert Person.objects.first().address.city == "Londinium"
person = Person.objects.first()
person["age"] = 35
person.save()
assert Person.objects.first().age == 35
if __name__ == "__main__":
unittest.main()