832 lines
29 KiB
Python

# -*- coding: utf-8 -*-
import sys
sys.path[0:0] = [""]
import unittest
from bson import SON
from mongoengine import *
from mongoengine.connection import get_db
__all__ = ("DeltaTest",)
class DeltaTest(unittest.TestCase):
def setUp(self):
connect(db='mongoenginetest')
self.db = get_db()
class Person(Document):
name = StringField()
age = IntField()
non_field = True
meta = {"allow_inheritance": True}
self.Person = Person
def tearDown(self):
for collection in self.db.collection_names():
if 'system.' in collection:
continue
self.db.drop_collection(collection)
def test_delta(self):
self.delta(Document)
self.delta(DynamicDocument)
def delta(self, DocClass):
class Doc(DocClass):
string_field = StringField()
int_field = IntField()
dict_field = DictField()
list_field = ListField()
Doc.drop_collection()
doc = Doc()
doc.save()
doc = Doc.objects.first()
self.assertEqual(doc._get_changed_fields(), [])
self.assertEqual(doc._delta(), ({}, {}))
doc.string_field = 'hello'
self.assertEqual(doc._get_changed_fields(), ['string_field'])
self.assertEqual(doc._delta(), ({'string_field': 'hello'}, {}))
doc._changed_fields = []
doc.int_field = 1
self.assertEqual(doc._get_changed_fields(), ['int_field'])
self.assertEqual(doc._delta(), ({'int_field': 1}, {}))
doc._changed_fields = []
dict_value = {'hello': 'world', 'ping': 'pong'}
doc.dict_field = dict_value
self.assertEqual(doc._get_changed_fields(), ['dict_field'])
self.assertEqual(doc._delta(), ({'dict_field': dict_value}, {}))
doc._changed_fields = []
list_value = ['1', 2, {'hello': 'world'}]
doc.list_field = list_value
self.assertEqual(doc._get_changed_fields(), ['list_field'])
self.assertEqual(doc._delta(), ({'list_field': list_value}, {}))
# Test unsetting
doc._changed_fields = []
doc.dict_field = {}
self.assertEqual(doc._get_changed_fields(), ['dict_field'])
self.assertEqual(doc._delta(), ({}, {'dict_field': 1}))
doc._changed_fields = []
doc.list_field = []
self.assertEqual(doc._get_changed_fields(), ['list_field'])
self.assertEqual(doc._delta(), ({}, {'list_field': 1}))
def test_delta_recursive(self):
self.delta_recursive(Document, EmbeddedDocument)
self.delta_recursive(DynamicDocument, EmbeddedDocument)
self.delta_recursive(Document, DynamicEmbeddedDocument)
self.delta_recursive(DynamicDocument, DynamicEmbeddedDocument)
def delta_recursive(self, DocClass, EmbeddedClass):
class Embedded(EmbeddedClass):
id = StringField()
string_field = StringField()
int_field = IntField()
dict_field = DictField()
list_field = ListField()
class Doc(DocClass):
string_field = StringField()
int_field = IntField()
dict_field = DictField()
list_field = ListField()
embedded_field = EmbeddedDocumentField(Embedded)
Doc.drop_collection()
doc = Doc()
doc.save()
doc = Doc.objects.first()
self.assertEqual(doc._get_changed_fields(), [])
self.assertEqual(doc._delta(), ({}, {}))
embedded_1 = Embedded()
embedded_1.id = "010101"
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
self.assertEqual(doc._get_changed_fields(), ['embedded_field'])
embedded_delta = {
'id': "010101",
'string_field': 'hello',
'int_field': 1,
'dict_field': {'hello': 'world'},
'list_field': ['1', 2, {'hello': 'world'}]
}
self.assertEqual(doc.embedded_field._delta(), (embedded_delta, {}))
self.assertEqual(doc._delta(),
({'embedded_field': embedded_delta}, {}))
doc.save()
doc = doc.reload(10)
doc.embedded_field.dict_field = {}
self.assertEqual(doc._get_changed_fields(),
['embedded_field.dict_field'])
self.assertEqual(doc.embedded_field._delta(), ({}, {'dict_field': 1}))
self.assertEqual(doc._delta(), ({}, {'embedded_field.dict_field': 1}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.dict_field, {})
doc.embedded_field.list_field = []
self.assertEqual(doc._get_changed_fields(),
['embedded_field.list_field'])
self.assertEqual(doc.embedded_field._delta(), ({}, {'list_field': 1}))
self.assertEqual(doc._delta(), ({}, {'embedded_field.list_field': 1}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field, [])
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'}]
doc.embedded_field.list_field = ['1', 2, embedded_2]
self.assertEqual(doc._get_changed_fields(),
['embedded_field.list_field'])
self.assertEqual(doc.embedded_field._delta(), ({
'list_field': ['1', 2, {
'_cls': 'Embedded',
'string_field': 'hello',
'dict_field': {'hello': 'world'},
'int_field': 1,
'list_field': ['1', 2, {'hello': 'world'}],
}]
}, {}))
self.assertEqual(doc._delta(), ({
'embedded_field.list_field': ['1', 2, {
'_cls': 'Embedded',
'string_field': 'hello',
'dict_field': {'hello': 'world'},
'int_field': 1,
'list_field': ['1', 2, {'hello': 'world'}],
}]
}, {}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field[0], '1')
self.assertEqual(doc.embedded_field.list_field[1], 2)
for k in doc.embedded_field.list_field[2]._fields:
self.assertEqual(doc.embedded_field.list_field[2][k],
embedded_2[k])
doc.embedded_field.list_field[2].string_field = 'world'
self.assertEqual(doc._get_changed_fields(),
['embedded_field.list_field.2.string_field'])
self.assertEqual(doc.embedded_field._delta(),
({'list_field.2.string_field': 'world'}, {}))
self.assertEqual(doc._delta(),
({'embedded_field.list_field.2.string_field': 'world'}, {}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field[2].string_field,
'world')
# Test multiple assignments
doc.embedded_field.list_field[2].string_field = 'hello world'
doc.embedded_field.list_field[2] = doc.embedded_field.list_field[2]
self.assertEqual(doc._get_changed_fields(),
['embedded_field.list_field.2'])
self.assertEqual(doc.embedded_field._delta(), ({'list_field.2': {
'_cls': 'Embedded',
'string_field': 'hello world',
'int_field': 1,
'list_field': ['1', 2, {'hello': 'world'}],
'dict_field': {'hello': 'world'}}
}, {}))
self.assertEqual(doc._delta(), ({'embedded_field.list_field.2': {
'_cls': 'Embedded',
'string_field': 'hello world',
'int_field': 1,
'list_field': ['1', 2, {'hello': 'world'}],
'dict_field': {'hello': 'world'}}
}, {}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field[2].string_field,
'hello world')
# Test list native methods
doc.embedded_field.list_field[2].list_field.pop(0)
self.assertEqual(doc._delta(),
({'embedded_field.list_field.2.list_field':
[2, {'hello': 'world'}]}, {}))
doc.save()
doc = doc.reload(10)
doc.embedded_field.list_field[2].list_field.append(1)
self.assertEqual(doc._delta(),
({'embedded_field.list_field.2.list_field':
[2, {'hello': 'world'}, 1]}, {}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field[2].list_field,
[2, {'hello': 'world'}, 1])
doc.embedded_field.list_field[2].list_field.sort(key=str)
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field[2].list_field,
[1, 2, {'hello': 'world'}])
del(doc.embedded_field.list_field[2].list_field[2]['hello'])
self.assertEqual(doc._delta(),
({}, {'embedded_field.list_field.2.list_field.2.hello': 1}))
doc.save()
doc = doc.reload(10)
del(doc.embedded_field.list_field[2].list_field)
self.assertEqual(doc._delta(),
({}, {'embedded_field.list_field.2.list_field': 1}))
doc.save()
doc = doc.reload(10)
doc.dict_field['Embedded'] = embedded_1
doc.save()
doc = doc.reload(10)
doc.dict_field['Embedded'].string_field = 'Hello World'
self.assertEqual(doc._get_changed_fields(),
['dict_field.Embedded.string_field'])
self.assertEqual(doc._delta(),
({'dict_field.Embedded.string_field': 'Hello World'}, {}))
def test_circular_reference_deltas(self):
self.circular_reference_deltas(Document, Document)
self.circular_reference_deltas(Document, DynamicDocument)
self.circular_reference_deltas(DynamicDocument, Document)
self.circular_reference_deltas(DynamicDocument, DynamicDocument)
def circular_reference_deltas(self, DocClass1, DocClass2):
class Person(DocClass1):
name = StringField()
owns = ListField(ReferenceField('Organization'))
class Organization(DocClass2):
name = StringField()
owner = ReferenceField('Person')
Person.drop_collection()
Organization.drop_collection()
person = Person(name="owner").save()
organization = Organization(name="company").save()
person.owns.append(organization)
organization.owner = person
person.save()
organization.save()
p = Person.objects[0].select_related()
o = Organization.objects.first()
self.assertEqual(p.owns[0], o)
self.assertEqual(o.owner, p)
def test_circular_reference_deltas_2(self):
self.circular_reference_deltas_2(Document, Document)
self.circular_reference_deltas_2(Document, DynamicDocument)
self.circular_reference_deltas_2(DynamicDocument, Document)
self.circular_reference_deltas_2(DynamicDocument, DynamicDocument)
def circular_reference_deltas_2(self, DocClass1, DocClass2, dbref=True):
class Person(DocClass1):
name = StringField()
owns = ListField(ReferenceField('Organization', dbref=dbref))
employer = ReferenceField('Organization', dbref=dbref)
class Organization(DocClass2):
name = StringField()
owner = ReferenceField('Person', dbref=dbref)
employees = ListField(ReferenceField('Person', dbref=dbref))
Person.drop_collection()
Organization.drop_collection()
person = Person(name="owner").save()
employee = Person(name="employee").save()
organization = Organization(name="company").save()
person.owns.append(organization)
organization.owner = person
organization.employees.append(employee)
employee.employer = organization
person.save()
organization.save()
employee.save()
p = Person.objects.get(name="owner")
e = Person.objects.get(name="employee")
o = Organization.objects.first()
self.assertEqual(p.owns[0], o)
self.assertEqual(o.owner, p)
self.assertEqual(e.employer, o)
return person, organization, employee
def test_delta_db_field(self):
self.delta_db_field(Document)
self.delta_db_field(DynamicDocument)
def delta_db_field(self, DocClass):
class Doc(DocClass):
string_field = StringField(db_field='db_string_field')
int_field = IntField(db_field='db_int_field')
dict_field = DictField(db_field='db_dict_field')
list_field = ListField(db_field='db_list_field')
Doc.drop_collection()
doc = Doc()
doc.save()
doc = Doc.objects.first()
self.assertEqual(doc._get_changed_fields(), [])
self.assertEqual(doc._delta(), ({}, {}))
doc.string_field = 'hello'
self.assertEqual(doc._get_changed_fields(), ['db_string_field'])
self.assertEqual(doc._delta(), ({'db_string_field': 'hello'}, {}))
doc._changed_fields = []
doc.int_field = 1
self.assertEqual(doc._get_changed_fields(), ['db_int_field'])
self.assertEqual(doc._delta(), ({'db_int_field': 1}, {}))
doc._changed_fields = []
dict_value = {'hello': 'world', 'ping': 'pong'}
doc.dict_field = dict_value
self.assertEqual(doc._get_changed_fields(), ['db_dict_field'])
self.assertEqual(doc._delta(), ({'db_dict_field': dict_value}, {}))
doc._changed_fields = []
list_value = ['1', 2, {'hello': 'world'}]
doc.list_field = list_value
self.assertEqual(doc._get_changed_fields(), ['db_list_field'])
self.assertEqual(doc._delta(), ({'db_list_field': list_value}, {}))
# Test unsetting
doc._changed_fields = []
doc.dict_field = {}
self.assertEqual(doc._get_changed_fields(), ['db_dict_field'])
self.assertEqual(doc._delta(), ({}, {'db_dict_field': 1}))
doc._changed_fields = []
doc.list_field = []
self.assertEqual(doc._get_changed_fields(), ['db_list_field'])
self.assertEqual(doc._delta(), ({}, {'db_list_field': 1}))
# Test it saves that data
doc = Doc()
doc.save()
doc.string_field = 'hello'
doc.int_field = 1
doc.dict_field = {'hello': 'world'}
doc.list_field = ['1', 2, {'hello': 'world'}]
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.string_field, 'hello')
self.assertEqual(doc.int_field, 1)
self.assertEqual(doc.dict_field, {'hello': 'world'})
self.assertEqual(doc.list_field, ['1', 2, {'hello': 'world'}])
def test_delta_recursive_db_field(self):
self.delta_recursive_db_field(Document, EmbeddedDocument)
self.delta_recursive_db_field(Document, DynamicEmbeddedDocument)
self.delta_recursive_db_field(DynamicDocument, EmbeddedDocument)
self.delta_recursive_db_field(DynamicDocument, DynamicEmbeddedDocument)
def delta_recursive_db_field(self, DocClass, EmbeddedClass):
class Embedded(EmbeddedClass):
string_field = StringField(db_field='db_string_field')
int_field = IntField(db_field='db_int_field')
dict_field = DictField(db_field='db_dict_field')
list_field = ListField(db_field='db_list_field')
class Doc(DocClass):
string_field = StringField(db_field='db_string_field')
int_field = IntField(db_field='db_int_field')
dict_field = DictField(db_field='db_dict_field')
list_field = ListField(db_field='db_list_field')
embedded_field = EmbeddedDocumentField(Embedded,
db_field='db_embedded_field')
Doc.drop_collection()
doc = Doc()
doc.save()
doc = Doc.objects.first()
self.assertEqual(doc._get_changed_fields(), [])
self.assertEqual(doc._delta(), ({}, {}))
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
self.assertEqual(doc._get_changed_fields(), ['db_embedded_field'])
embedded_delta = {
'db_string_field': 'hello',
'db_int_field': 1,
'db_dict_field': {'hello': 'world'},
'db_list_field': ['1', 2, {'hello': 'world'}]
}
self.assertEqual(doc.embedded_field._delta(), (embedded_delta, {}))
self.assertEqual(doc._delta(),
({'db_embedded_field': embedded_delta}, {}))
doc.save()
doc = doc.reload(10)
doc.embedded_field.dict_field = {}
self.assertEqual(doc._get_changed_fields(),
['db_embedded_field.db_dict_field'])
self.assertEqual(doc.embedded_field._delta(),
({}, {'db_dict_field': 1}))
self.assertEqual(doc._delta(),
({}, {'db_embedded_field.db_dict_field': 1}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.dict_field, {})
doc.embedded_field.list_field = []
self.assertEqual(doc._get_changed_fields(),
['db_embedded_field.db_list_field'])
self.assertEqual(doc.embedded_field._delta(),
({}, {'db_list_field': 1}))
self.assertEqual(doc._delta(),
({}, {'db_embedded_field.db_list_field': 1}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field, [])
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'}]
doc.embedded_field.list_field = ['1', 2, embedded_2]
self.assertEqual(doc._get_changed_fields(),
['db_embedded_field.db_list_field'])
self.assertEqual(doc.embedded_field._delta(), ({
'db_list_field': ['1', 2, {
'_cls': 'Embedded',
'db_string_field': 'hello',
'db_dict_field': {'hello': 'world'},
'db_int_field': 1,
'db_list_field': ['1', 2, {'hello': 'world'}],
}]
}, {}))
self.assertEqual(doc._delta(), ({
'db_embedded_field.db_list_field': ['1', 2, {
'_cls': 'Embedded',
'db_string_field': 'hello',
'db_dict_field': {'hello': 'world'},
'db_int_field': 1,
'db_list_field': ['1', 2, {'hello': 'world'}],
}]
}, {}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field[0], '1')
self.assertEqual(doc.embedded_field.list_field[1], 2)
for k in doc.embedded_field.list_field[2]._fields:
self.assertEqual(doc.embedded_field.list_field[2][k],
embedded_2[k])
doc.embedded_field.list_field[2].string_field = 'world'
self.assertEqual(doc._get_changed_fields(),
['db_embedded_field.db_list_field.2.db_string_field'])
self.assertEqual(doc.embedded_field._delta(),
({'db_list_field.2.db_string_field': 'world'}, {}))
self.assertEqual(doc._delta(),
({'db_embedded_field.db_list_field.2.db_string_field': 'world'},
{}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field[2].string_field,
'world')
# Test multiple assignments
doc.embedded_field.list_field[2].string_field = 'hello world'
doc.embedded_field.list_field[2] = doc.embedded_field.list_field[2]
self.assertEqual(doc._get_changed_fields(),
['db_embedded_field.db_list_field.2'])
self.assertEqual(doc.embedded_field._delta(), ({'db_list_field.2': {
'_cls': 'Embedded',
'db_string_field': 'hello world',
'db_int_field': 1,
'db_list_field': ['1', 2, {'hello': 'world'}],
'db_dict_field': {'hello': 'world'}}}, {}))
self.assertEqual(doc._delta(), ({
'db_embedded_field.db_list_field.2': {
'_cls': 'Embedded',
'db_string_field': 'hello world',
'db_int_field': 1,
'db_list_field': ['1', 2, {'hello': 'world'}],
'db_dict_field': {'hello': 'world'}}
}, {}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field[2].string_field,
'hello world')
# Test list native methods
doc.embedded_field.list_field[2].list_field.pop(0)
self.assertEqual(doc._delta(),
({'db_embedded_field.db_list_field.2.db_list_field':
[2, {'hello': 'world'}]}, {}))
doc.save()
doc = doc.reload(10)
doc.embedded_field.list_field[2].list_field.append(1)
self.assertEqual(doc._delta(),
({'db_embedded_field.db_list_field.2.db_list_field':
[2, {'hello': 'world'}, 1]}, {}))
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field[2].list_field,
[2, {'hello': 'world'}, 1])
doc.embedded_field.list_field[2].list_field.sort(key=str)
doc.save()
doc = doc.reload(10)
self.assertEqual(doc.embedded_field.list_field[2].list_field,
[1, 2, {'hello': 'world'}])
del(doc.embedded_field.list_field[2].list_field[2]['hello'])
self.assertEqual(doc._delta(),
({}, {'db_embedded_field.db_list_field.2.db_list_field.2.hello': 1}))
doc.save()
doc = doc.reload(10)
del(doc.embedded_field.list_field[2].list_field)
self.assertEqual(doc._delta(), ({},
{'db_embedded_field.db_list_field.2.db_list_field': 1}))
def test_delta_for_dynamic_documents(self):
class Person(DynamicDocument):
name = StringField()
meta = {'allow_inheritance': True}
Person.drop_collection()
p = Person(name="James", age=34)
self.assertEqual(p._delta(), (
SON([('_cls', 'Person'), ('name', 'James'), ('age', 34)]), {}))
p.doc = 123
del(p.doc)
self.assertEqual(p._delta(), (
SON([('_cls', 'Person'), ('name', 'James'), ('age', 34)]), {}))
p = Person()
p.name = "Dean"
p.age = 22
p.save()
p.age = 24
self.assertEqual(p.age, 24)
self.assertEqual(p._get_changed_fields(), ['age'])
self.assertEqual(p._delta(), ({'age': 24}, {}))
p = Person.objects(age=22).get()
p.age = 24
self.assertEqual(p.age, 24)
self.assertEqual(p._get_changed_fields(), ['age'])
self.assertEqual(p._delta(), ({'age': 24}, {}))
p.save()
self.assertEqual(1, Person.objects(age=24).count())
def test_dynamic_delta(self):
class Doc(DynamicDocument):
pass
Doc.drop_collection()
doc = Doc()
doc.save()
doc = Doc.objects.first()
self.assertEqual(doc._get_changed_fields(), [])
self.assertEqual(doc._delta(), ({}, {}))
doc.string_field = 'hello'
self.assertEqual(doc._get_changed_fields(), ['string_field'])
self.assertEqual(doc._delta(), ({'string_field': 'hello'}, {}))
doc._changed_fields = []
doc.int_field = 1
self.assertEqual(doc._get_changed_fields(), ['int_field'])
self.assertEqual(doc._delta(), ({'int_field': 1}, {}))
doc._changed_fields = []
dict_value = {'hello': 'world', 'ping': 'pong'}
doc.dict_field = dict_value
self.assertEqual(doc._get_changed_fields(), ['dict_field'])
self.assertEqual(doc._delta(), ({'dict_field': dict_value}, {}))
doc._changed_fields = []
list_value = ['1', 2, {'hello': 'world'}]
doc.list_field = list_value
self.assertEqual(doc._get_changed_fields(), ['list_field'])
self.assertEqual(doc._delta(), ({'list_field': list_value}, {}))
# Test unsetting
doc._changed_fields = []
doc.dict_field = {}
self.assertEqual(doc._get_changed_fields(), ['dict_field'])
self.assertEqual(doc._delta(), ({}, {'dict_field': 1}))
doc._changed_fields = []
doc.list_field = []
self.assertEqual(doc._get_changed_fields(), ['list_field'])
self.assertEqual(doc._delta(), ({}, {'list_field': 1}))
def test_delta_with_dbref_true(self):
person, organization, employee = self.circular_reference_deltas_2(Document, Document, True)
employee.name = 'test'
self.assertEqual(organization._get_changed_fields(), [])
updates, removals = organization._delta()
self.assertEqual({}, removals)
self.assertEqual({}, updates)
organization.employees.append(person)
updates, removals = organization._delta()
self.assertEqual({}, removals)
self.assertTrue('employees' in updates)
def test_delta_with_dbref_false(self):
person, organization, employee = self.circular_reference_deltas_2(Document, Document, False)
employee.name = 'test'
self.assertEqual(organization._get_changed_fields(), [])
updates, removals = organization._delta()
self.assertEqual({}, removals)
self.assertEqual({}, updates)
organization.employees.append(person)
updates, removals = organization._delta()
self.assertEqual({}, removals)
self.assertTrue('employees' in updates)
def test_nested_nested_fields_mark_as_changed(self):
class EmbeddedDoc(EmbeddedDocument):
name = StringField()
class MyDoc(Document):
subs = MapField(MapField(EmbeddedDocumentField(EmbeddedDoc)))
name = StringField()
MyDoc.drop_collection()
mydoc = MyDoc(name='testcase1', subs={'a': {'b': EmbeddedDoc(name='foo')}}).save()
mydoc = MyDoc.objects.first()
subdoc = mydoc.subs['a']['b']
subdoc.name = 'bar'
self.assertEqual(["name"], subdoc._get_changed_fields())
self.assertEqual(["subs.a.b.name"], mydoc._get_changed_fields())
mydoc._clear_changed_fields()
self.assertEqual([], mydoc._get_changed_fields())
def test_lower_level_mark_as_changed(self):
class EmbeddedDoc(EmbeddedDocument):
name = StringField()
class MyDoc(Document):
subs = MapField(EmbeddedDocumentField(EmbeddedDoc))
MyDoc.drop_collection()
MyDoc().save()
mydoc = MyDoc.objects.first()
mydoc.subs['a'] = EmbeddedDoc()
self.assertEqual(["subs.a"], mydoc._get_changed_fields())
subdoc = mydoc.subs['a']
subdoc.name = 'bar'
self.assertEqual(["name"], subdoc._get_changed_fields())
self.assertEqual(["subs.a"], mydoc._get_changed_fields())
mydoc.save()
mydoc._clear_changed_fields()
self.assertEqual([], mydoc._get_changed_fields())
def test_upper_level_mark_as_changed(self):
class EmbeddedDoc(EmbeddedDocument):
name = StringField()
class MyDoc(Document):
subs = MapField(EmbeddedDocumentField(EmbeddedDoc))
MyDoc.drop_collection()
MyDoc(subs={'a': EmbeddedDoc(name='foo')}).save()
mydoc = MyDoc.objects.first()
subdoc = mydoc.subs['a']
subdoc.name = 'bar'
self.assertEqual(["name"], subdoc._get_changed_fields())
self.assertEqual(["subs.a.name"], mydoc._get_changed_fields())
mydoc.subs['a'] = EmbeddedDoc()
self.assertEqual(["subs.a"], mydoc._get_changed_fields())
mydoc.save()
mydoc._clear_changed_fields()
self.assertEqual([], mydoc._get_changed_fields())
def test_referenced_object_changed_attributes(self):
"""Ensures that when you save a new reference to a field, the referenced object isn't altered"""
class Organization(Document):
name = StringField()
class User(Document):
name = StringField()
org = ReferenceField('Organization', required=True)
Organization.drop_collection()
User.drop_collection()
org1 = Organization(name='Org 1')
org1.save()
org2 = Organization(name='Org 2')
org2.save()
user = User(name='Fred', org=org1)
user.save()
org1.reload()
org2.reload()
user.reload()
self.assertEqual(org1.name, 'Org 1')
self.assertEqual(org2.name, 'Org 2')
self.assertEqual(user.name, 'Fred')
user.name = 'Harold'
user.org = org2
org2.name = 'New Org 2'
self.assertEqual(org2.name, 'New Org 2')
user.save()
org2.save()
self.assertEqual(org2.name, 'New Org 2')
org2.reload()
self.assertEqual(org2.name, 'New Org 2')
if __name__ == '__main__':
unittest.main()