2019-02-26 21:38:23 +01:00

2746 lines
89 KiB
Python

# -*- coding: utf-8 -*-
import datetime
import unittest
from nose.plugins.skip import SkipTest
from bson import DBRef, ObjectId, SON
from mongoengine import Document, StringField, IntField, DateTimeField, DateField, ValidationError, \
ComplexDateTimeField, FloatField, ListField, ReferenceField, DictField, EmbeddedDocument, EmbeddedDocumentField, \
GenericReferenceField, DoesNotExist, NotRegistered, GenericEmbeddedDocumentField, OperationError, DynamicField, \
FieldDoesNotExist, EmbeddedDocumentListField, MultipleObjectsReturned, NotUniqueError, BooleanField, ObjectIdField, \
SortedListField, GenericLazyReferenceField, LazyReferenceField, DynamicDocument
from mongoengine.base import (BaseField, EmbeddedDocumentList,
_document_registry)
from tests.utils import MongoDBTestCase
class FieldTest(MongoDBTestCase):
def test_default_values_nothing_set(self):
"""Ensure that default field values are used when creating
a document.
"""
class Person(Document):
name = StringField()
age = IntField(default=30, required=False)
userid = StringField(default=lambda: 'test', required=True)
created = DateTimeField(default=datetime.datetime.utcnow)
day = DateField(default=datetime.date.today)
person = Person(name="Ross")
# Confirm saving now would store values
data_to_be_saved = sorted(person.to_mongo().keys())
self.assertEqual(data_to_be_saved,
['age', 'created', 'day', 'name', 'userid']
)
self.assertTrue(person.validate() is None)
self.assertEqual(person.name, person.name)
self.assertEqual(person.age, person.age)
self.assertEqual(person.userid, person.userid)
self.assertEqual(person.created, person.created)
self.assertEqual(person.day, person.day)
self.assertEqual(person._data['name'], person.name)
self.assertEqual(person._data['age'], person.age)
self.assertEqual(person._data['userid'], person.userid)
self.assertEqual(person._data['created'], person.created)
self.assertEqual(person._data['day'], person.day)
# Confirm introspection changes nothing
data_to_be_saved = sorted(person.to_mongo().keys())
self.assertEqual(
data_to_be_saved, ['age', 'created', 'day', 'name', 'userid'])
def test_default_values_set_to_None(self):
"""Ensure that default field values are used even when
we explcitly initialize the doc with None values.
"""
class Person(Document):
name = StringField()
age = IntField(default=30, required=False)
userid = StringField(default=lambda: 'test', required=True)
created = DateTimeField(default=datetime.datetime.utcnow)
# Trying setting values to None
person = Person(name=None, age=None, userid=None, created=None)
# Confirm saving now would store values
data_to_be_saved = sorted(person.to_mongo().keys())
self.assertEqual(data_to_be_saved, ['age', 'created', 'userid'])
self.assertTrue(person.validate() is None)
self.assertEqual(person.name, person.name)
self.assertEqual(person.age, person.age)
self.assertEqual(person.userid, person.userid)
self.assertEqual(person.created, person.created)
self.assertEqual(person._data['name'], person.name)
self.assertEqual(person._data['age'], person.age)
self.assertEqual(person._data['userid'], person.userid)
self.assertEqual(person._data['created'], person.created)
# Confirm introspection changes nothing
data_to_be_saved = sorted(person.to_mongo().keys())
self.assertEqual(data_to_be_saved, ['age', 'created', 'userid'])
def test_default_values_when_setting_to_None(self):
"""Ensure that default field values are used when creating
a document.
"""
class Person(Document):
name = StringField()
age = IntField(default=30, required=False)
userid = StringField(default=lambda: 'test', required=True)
created = DateTimeField(default=datetime.datetime.utcnow)
person = Person()
person.name = None
person.age = None
person.userid = None
person.created = None
# Confirm saving now would store values
data_to_be_saved = sorted(person.to_mongo().keys())
self.assertEqual(data_to_be_saved, ['age', 'created', 'userid'])
self.assertTrue(person.validate() is None)
self.assertEqual(person.name, None)
self.assertEqual(person.age, 30)
self.assertEqual(person.userid, 'test')
self.assertIsInstance(person.created, datetime.datetime)
self.assertEqual(person._data['name'], person.name)
self.assertEqual(person._data['age'], person.age)
self.assertEqual(person._data['userid'], person.userid)
self.assertEqual(person._data['created'], person.created)
# Confirm introspection changes nothing
data_to_be_saved = sorted(person.to_mongo().keys())
self.assertEqual(data_to_be_saved, ['age', 'created', 'userid'])
def test_default_value_is_not_used_when_changing_value_to_empty_list_for_strict_doc(self):
"""List field with default can be set to the empty list (strict)"""
# Issue #1733
class Doc(Document):
x = ListField(IntField(), default=lambda: [42])
doc = Doc(x=[1]).save()
doc.x = []
doc.save()
reloaded = Doc.objects.get(id=doc.id)
self.assertEqual(reloaded.x, [])
def test_default_value_is_not_used_when_changing_value_to_empty_list_for_dyn_doc(self):
"""List field with default can be set to the empty list (dynamic)"""
# Issue #1733
class Doc(DynamicDocument):
x = ListField(IntField(), default=lambda: [42])
doc = Doc(x=[1]).save()
doc.x = []
doc.y = 2 # Was triggering the bug
doc.save()
reloaded = Doc.objects.get(id=doc.id)
self.assertEqual(reloaded.x, [])
def test_default_values_when_deleting_value(self):
"""Ensure that default field values are used after non-default
values are explicitly deleted.
"""
class Person(Document):
name = StringField()
age = IntField(default=30, required=False)
userid = StringField(default=lambda: 'test', required=True)
created = DateTimeField(default=datetime.datetime.utcnow)
person = Person(name="Ross", age=50, userid='different',
created=datetime.datetime(2014, 6, 12))
del person.name
del person.age
del person.userid
del person.created
data_to_be_saved = sorted(person.to_mongo().keys())
self.assertEqual(data_to_be_saved, ['age', 'created', 'userid'])
self.assertTrue(person.validate() is None)
self.assertEqual(person.name, None)
self.assertEqual(person.age, 30)
self.assertEqual(person.userid, 'test')
self.assertIsInstance(person.created, datetime.datetime)
self.assertNotEqual(person.created, datetime.datetime(2014, 6, 12))
self.assertEqual(person._data['name'], person.name)
self.assertEqual(person._data['age'], person.age)
self.assertEqual(person._data['userid'], person.userid)
self.assertEqual(person._data['created'], person.created)
# Confirm introspection changes nothing
data_to_be_saved = sorted(person.to_mongo().keys())
self.assertEqual(data_to_be_saved, ['age', 'created', 'userid'])
def test_required_values(self):
"""Ensure that required field constraints are enforced."""
class Person(Document):
name = StringField(required=True)
age = IntField(required=True)
userid = StringField()
person = Person(name="Test User")
self.assertRaises(ValidationError, person.validate)
person = Person(age=30)
self.assertRaises(ValidationError, person.validate)
def test_not_required_handles_none_in_update(self):
"""Ensure that every fields should accept None if required is
False.
"""
class HandleNoneFields(Document):
str_fld = StringField()
int_fld = IntField()
flt_fld = FloatField()
comp_dt_fld = ComplexDateTimeField()
HandleNoneFields.drop_collection()
doc = HandleNoneFields()
doc.str_fld = u'spam ham egg'
doc.int_fld = 42
doc.flt_fld = 4.2
doc.com_dt_fld = datetime.datetime.utcnow()
doc.save()
res = HandleNoneFields.objects(id=doc.id).update(
set__str_fld=None,
set__int_fld=None,
set__flt_fld=None,
set__comp_dt_fld=None,
)
self.assertEqual(res, 1)
# Retrive data from db and verify it.
ret = HandleNoneFields.objects.all()[0]
self.assertIsNone(ret.str_fld)
self.assertIsNone(ret.int_fld)
self.assertIsNone(ret.flt_fld)
self.assertIsNone(ret.comp_dt_fld)
def test_not_required_handles_none_from_database(self):
"""Ensure that every field can handle null values from the
database.
"""
class HandleNoneFields(Document):
str_fld = StringField(required=True)
int_fld = IntField(required=True)
flt_fld = FloatField(required=True)
comp_dt_fld = ComplexDateTimeField(required=True)
HandleNoneFields.drop_collection()
doc = HandleNoneFields()
doc.str_fld = u'spam ham egg'
doc.int_fld = 42
doc.flt_fld = 4.2
doc.comp_dt_fld = datetime.datetime.utcnow()
doc.save()
# Unset all the fields
obj = HandleNoneFields._get_collection().update({"_id": doc.id}, {
"$unset": {
"str_fld": 1,
"int_fld": 1,
"flt_fld": 1,
"comp_dt_fld": 1
}
})
# Retrive data from db and verify it.
ret = HandleNoneFields.objects.first()
self.assertIsNone(ret.str_fld)
self.assertIsNone(ret.int_fld)
self.assertIsNone(ret.flt_fld)
self.assertIsNone(ret.comp_dt_fld)
# Retrieved object shouldn't pass validation when a re-save is
# attempted.
self.assertRaises(ValidationError, ret.validate)
def test_default_id_validation_as_objectid(self):
"""Ensure that invalid values cannot be assigned to an
ObjectIdField.
"""
class Person(Document):
name = StringField()
person = Person(name='Test User')
self.assertEqual(person.id, None)
person.id = 47
self.assertRaises(ValidationError, person.validate)
person.id = 'abc'
self.assertRaises(ValidationError, person.validate)
person.id = str(ObjectId())
person.validate()
def test_string_validation(self):
"""Ensure that invalid values cannot be assigned to string fields."""
class Person(Document):
name = StringField(max_length=20)
userid = StringField(r'[0-9a-z_]+$')
person = Person(name=34)
self.assertRaises(ValidationError, person.validate)
# Test regex validation on userid
person = Person(userid='test.User')
self.assertRaises(ValidationError, person.validate)
person.userid = 'test_user'
self.assertEqual(person.userid, 'test_user')
person.validate()
# Test max length validation on name
person = Person(name='Name that is more than twenty characters')
self.assertRaises(ValidationError, person.validate)
person.name = 'Shorter name'
person.validate()
def test_db_field_validation(self):
"""Ensure that db_field doesn't accept invalid values."""
# dot in the name
with self.assertRaises(ValueError):
class User(Document):
name = StringField(db_field='user.name')
# name starting with $
with self.assertRaises(ValueError):
class User(Document):
name = StringField(db_field='$name')
# name containing a null character
with self.assertRaises(ValueError):
class User(Document):
name = StringField(db_field='name\0')
def test_list_validation(self):
"""Ensure that a list field only accepts lists with valid elements."""
access_level_choices = (
('a', u'Administration'),
('b', u'Manager'),
('c', u'Staff'),
)
class User(Document):
pass
class Comment(EmbeddedDocument):
content = StringField()
class BlogPost(Document):
content = StringField()
comments = ListField(EmbeddedDocumentField(Comment))
tags = ListField(StringField())
authors = ListField(ReferenceField(User))
authors_as_lazy = ListField(LazyReferenceField(User))
generic = ListField(GenericReferenceField())
generic_as_lazy = ListField(GenericLazyReferenceField())
access_list = ListField(choices=access_level_choices, display_sep=', ')
User.drop_collection()
BlogPost.drop_collection()
post = BlogPost(content='Went for a walk today...')
post.validate()
post.tags = 'fun'
self.assertRaises(ValidationError, post.validate)
post.tags = [1, 2]
self.assertRaises(ValidationError, post.validate)
post.tags = ['fun', 'leisure']
post.validate()
post.tags = ('fun', 'leisure')
post.validate()
post.access_list = 'a,b'
self.assertRaises(ValidationError, post.validate)
post.access_list = ['c', 'd']
self.assertRaises(ValidationError, post.validate)
post.access_list = ['a', 'b']
post.validate()
self.assertEqual(post.get_access_list_display(), u'Administration, Manager')
post.comments = ['a']
self.assertRaises(ValidationError, post.validate)
post.comments = 'yay'
self.assertRaises(ValidationError, post.validate)
comments = [Comment(content='Good for you'), Comment(content='Yay.')]
post.comments = comments
post.validate()
post.authors = [Comment()]
self.assertRaises(ValidationError, post.validate)
post.authors = [User()]
self.assertRaises(ValidationError, post.validate)
user = User()
user.save()
post.authors = [user]
post.validate()
post.authors_as_lazy = [Comment()]
self.assertRaises(ValidationError, post.validate)
post.authors_as_lazy = [User()]
self.assertRaises(ValidationError, post.validate)
post.authors_as_lazy = [user]
post.validate()
post.generic = [1, 2]
self.assertRaises(ValidationError, post.validate)
post.generic = [User(), Comment()]
self.assertRaises(ValidationError, post.validate)
post.generic = [Comment()]
self.assertRaises(ValidationError, post.validate)
post.generic = [user]
post.validate()
post.generic_as_lazy = [1, 2]
self.assertRaises(ValidationError, post.validate)
post.generic_as_lazy = [User(), Comment()]
self.assertRaises(ValidationError, post.validate)
post.generic_as_lazy = [Comment()]
self.assertRaises(ValidationError, post.validate)
post.generic_as_lazy = [user]
post.validate()
def test_sorted_list_sorting(self):
"""Ensure that a sorted list field properly sorts values.
"""
class Comment(EmbeddedDocument):
order = IntField()
content = StringField()
class BlogPost(Document):
content = StringField()
comments = SortedListField(EmbeddedDocumentField(Comment),
ordering='order')
tags = SortedListField(StringField())
BlogPost.drop_collection()
post = BlogPost(content='Went for a walk today...')
post.save()
post.tags = ['leisure', 'fun']
post.save()
post.reload()
self.assertEqual(post.tags, ['fun', 'leisure'])
comment1 = Comment(content='Good for you', order=1)
comment2 = Comment(content='Yay.', order=0)
comments = [comment1, comment2]
post.comments = comments
post.save()
post.reload()
self.assertEqual(post.comments[0].content, comment2.content)
self.assertEqual(post.comments[1].content, comment1.content)
post.comments[0].order = 2
post.save()
post.reload()
self.assertEqual(post.comments[0].content, comment1.content)
self.assertEqual(post.comments[1].content, comment2.content)
def test_reverse_list_sorting(self):
"""Ensure that a reverse sorted list field properly sorts values"""
class Category(EmbeddedDocument):
count = IntField()
name = StringField()
class CategoryList(Document):
categories = SortedListField(EmbeddedDocumentField(Category),
ordering='count', reverse=True)
name = StringField()
CategoryList.drop_collection()
catlist = CategoryList(name="Top categories")
cat1 = Category(name='posts', count=10)
cat2 = Category(name='food', count=100)
cat3 = Category(name='drink', count=40)
catlist.categories = [cat1, cat2, cat3]
catlist.save()
catlist.reload()
self.assertEqual(catlist.categories[0].name, cat2.name)
self.assertEqual(catlist.categories[1].name, cat3.name)
self.assertEqual(catlist.categories[2].name, cat1.name)
def test_list_field(self):
"""Ensure that list types work as expected."""
class BlogPost(Document):
info = ListField()
BlogPost.drop_collection()
post = BlogPost()
post.info = 'my post'
self.assertRaises(ValidationError, post.validate)
post.info = {'title': 'test'}
self.assertRaises(ValidationError, post.validate)
post.info = ['test']
post.save()
post = BlogPost()
post.info = [{'test': 'test'}]
post.save()
post = BlogPost()
post.info = [{'test': 3}]
post.save()
self.assertEqual(BlogPost.objects.count(), 3)
self.assertEqual(
BlogPost.objects.filter(info__exact='test').count(), 1)
self.assertEqual(
BlogPost.objects.filter(info__0__test='test').count(), 1)
# Confirm handles non strings or non existing keys
self.assertEqual(
BlogPost.objects.filter(info__0__test__exact='5').count(), 0)
self.assertEqual(
BlogPost.objects.filter(info__100__test__exact='test').count(), 0)
# test queries by list
post = BlogPost()
post.info = ['1', '2']
post.save()
post = BlogPost.objects(info=['1', '2']).get()
post.info += ['3', '4']
post.save()
self.assertEqual(BlogPost.objects(info=['1', '2', '3', '4']).count(), 1)
post = BlogPost.objects(info=['1', '2', '3', '4']).get()
post.info *= 2
post.save()
self.assertEqual(BlogPost.objects(info=['1', '2', '3', '4', '1', '2', '3', '4']).count(), 1)
def test_list_field_manipulative_operators(self):
"""Ensure that ListField works with standard list operators that manipulate the list.
"""
class BlogPost(Document):
ref = StringField()
info = ListField(StringField())
BlogPost.drop_collection()
post = BlogPost()
post.ref = "1234"
post.info = ['0', '1', '2', '3', '4', '5']
post.save()
def reset_post():
post.info = ['0', '1', '2', '3', '4', '5']
post.save()
# '__add__(listB)'
# listA+listB
# operator.add(listA, listB)
reset_post()
temp = ['a', 'b']
post.info = post.info + temp
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', 'a', 'b'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', 'a', 'b'])
# '__delitem__(index)'
# aka 'del list[index]'
# aka 'operator.delitem(list, index)'
reset_post()
del post.info[2] # del from middle ('2')
self.assertEqual(post.info, ['0', '1', '3', '4', '5'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '3', '4', '5'])
# '__delitem__(slice(i, j))'
# aka 'del list[i:j]'
# aka 'operator.delitem(list, slice(i,j))'
reset_post()
del post.info[1:3] # removes '1', '2'
self.assertEqual(post.info, ['0', '3', '4', '5'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '3', '4', '5'])
# '__iadd__'
# aka 'list += list'
reset_post()
temp = ['a', 'b']
post.info += temp
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', 'a', 'b'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', 'a', 'b'])
# '__imul__'
# aka 'list *= number'
reset_post()
post.info *= 2
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', '0', '1', '2', '3', '4', '5'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', '0', '1', '2', '3', '4', '5'])
# '__mul__'
# aka 'listA*listB'
reset_post()
post.info = post.info * 2
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', '0', '1', '2', '3', '4', '5'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', '0', '1', '2', '3', '4', '5'])
# '__rmul__'
# aka 'listB*listA'
reset_post()
post.info = 2 * post.info
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', '0', '1', '2', '3', '4', '5'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', '0', '1', '2', '3', '4', '5'])
# '__setitem__(index, value)'
# aka 'list[index]=value'
# aka 'setitem(list, value)'
reset_post()
post.info[4] = 'a'
self.assertEqual(post.info, ['0', '1', '2', '3', 'a', '5'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '2', '3', 'a', '5'])
# __setitem__(index, value) with a negative index
reset_post()
post.info[-2] = 'a'
self.assertEqual(post.info, ['0', '1', '2', '3', 'a', '5'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '2', '3', 'a', '5'])
# '__setitem__(slice(i, j), listB)'
# aka 'listA[i:j] = listB'
# aka 'setitem(listA, slice(i, j), listB)'
reset_post()
post.info[1:3] = ['h', 'e', 'l', 'l', 'o']
self.assertEqual(post.info, ['0', 'h', 'e', 'l', 'l', 'o', '3', '4', '5'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', 'h', 'e', 'l', 'l', 'o', '3', '4', '5'])
# '__setitem__(slice(i, j), listB)' with negative i and j
reset_post()
post.info[-5:-3] = ['h', 'e', 'l', 'l', 'o']
self.assertEqual(post.info, ['0', 'h', 'e', 'l', 'l', 'o', '3', '4', '5'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', 'h', 'e', 'l', 'l', 'o', '3', '4', '5'])
# negative
# 'append'
reset_post()
post.info.append('h')
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', 'h'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', 'h'])
# 'extend'
reset_post()
post.info.extend(['h', 'e', 'l', 'l', 'o'])
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', 'h', 'e', 'l', 'l', 'o'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '2', '3', '4', '5', 'h', 'e', 'l', 'l', 'o'])
# 'insert'
# 'pop'
reset_post()
x = post.info.pop(2)
y = post.info.pop()
self.assertEqual(post.info, ['0', '1', '3', '4'])
self.assertEqual(x, '2')
self.assertEqual(y, '5')
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '3', '4'])
# 'remove'
reset_post()
post.info.remove('2')
self.assertEqual(post.info, ['0', '1', '3', '4', '5'])
post.save()
post.reload()
self.assertEqual(post.info, ['0', '1', '3', '4', '5'])
# 'reverse'
reset_post()
post.info.reverse()
self.assertEqual(post.info, ['5', '4', '3', '2', '1', '0'])
post.save()
post.reload()
self.assertEqual(post.info, ['5', '4', '3', '2', '1', '0'])
# 'sort': though this operator method does manipulate the list, it is
# tested in the 'test_list_field_lexicograpic_operators' function
def test_list_field_invalid_operators(self):
class BlogPost(Document):
ref = StringField()
info = ListField(StringField())
post = BlogPost()
post.ref = "1234"
post.info = ['0', '1', '2', '3', '4', '5']
# '__hash__'
# aka 'hash(list)'
self.assertRaises(TypeError, lambda: hash(post.info))
def test_list_field_lexicographic_operators(self):
"""Ensure that ListField works with standard list operators that
do lexigraphic ordering.
"""
class BlogPost(Document):
ref = StringField()
text_info = ListField(StringField())
oid_info = ListField(ObjectIdField())
bool_info = ListField(BooleanField())
BlogPost.drop_collection()
blogSmall = BlogPost(ref="small")
blogSmall.text_info = ["a", "a", "a"]
blogSmall.bool_info = [False, False]
blogSmall.save()
blogSmall.reload()
blogLargeA = BlogPost(ref="big")
blogLargeA.text_info = ["a", "z", "j"]
blogLargeA.bool_info = [False, True]
blogLargeA.save()
blogLargeA.reload()
blogLargeB = BlogPost(ref="big2")
blogLargeB.text_info = ["a", "z", "j"]
blogLargeB.oid_info = [
"54495ad94c934721ede76f90",
"54495ad94c934721ede76d23",
"54495ad94c934721ede76d00"
]
blogLargeB.bool_info = [False, True]
blogLargeB.save()
blogLargeB.reload()
# '__eq__' aka '=='
self.assertEqual(blogLargeA.text_info, blogLargeB.text_info)
self.assertEqual(blogLargeA.bool_info, blogLargeB.bool_info)
# '__ge__' aka '>='
self.assertGreaterEqual(blogLargeA.text_info, blogSmall.text_info)
self.assertGreaterEqual(blogLargeA.text_info, blogLargeB.text_info)
self.assertGreaterEqual(blogLargeA.bool_info, blogSmall.bool_info)
self.assertGreaterEqual(blogLargeA.bool_info, blogLargeB.bool_info)
# '__gt__' aka '>'
self.assertGreaterEqual(blogLargeA.text_info, blogSmall.text_info)
self.assertGreaterEqual(blogLargeA.bool_info, blogSmall.bool_info)
# '__le__' aka '<='
self.assertLessEqual(blogSmall.text_info, blogLargeB.text_info)
self.assertLessEqual(blogLargeA.text_info, blogLargeB.text_info)
self.assertLessEqual(blogSmall.bool_info, blogLargeB.bool_info)
self.assertLessEqual(blogLargeA.bool_info, blogLargeB.bool_info)
# '__lt__' aka '<'
self.assertLess(blogSmall.text_info, blogLargeB.text_info)
self.assertLess(blogSmall.bool_info, blogLargeB.bool_info)
# '__ne__' aka '!='
self.assertNotEqual(blogSmall.text_info, blogLargeB.text_info)
self.assertNotEqual(blogSmall.bool_info, blogLargeB.bool_info)
# 'sort'
blogLargeB.bool_info = [True, False, True, False]
blogLargeB.text_info.sort()
blogLargeB.oid_info.sort()
blogLargeB.bool_info.sort()
sorted_target_list = [
ObjectId("54495ad94c934721ede76d00"),
ObjectId("54495ad94c934721ede76d23"),
ObjectId("54495ad94c934721ede76f90")
]
self.assertEqual(blogLargeB.text_info, ["a", "j", "z"])
self.assertEqual(blogLargeB.oid_info, sorted_target_list)
self.assertEqual(blogLargeB.bool_info, [False, False, True, True])
blogLargeB.save()
blogLargeB.reload()
self.assertEqual(blogLargeB.text_info, ["a", "j", "z"])
self.assertEqual(blogLargeB.oid_info, sorted_target_list)
self.assertEqual(blogLargeB.bool_info, [False, False, True, True])
def test_list_assignment(self):
"""Ensure that list field element assignment and slicing work."""
class BlogPost(Document):
info = ListField()
BlogPost.drop_collection()
post = BlogPost()
post.info = ['e1', 'e2', 3, '4', 5]
post.save()
post.info[0] = 1
post.save()
post.reload()
self.assertEqual(post.info[0], 1)
post.info[1:3] = ['n2', 'n3']
post.save()
post.reload()
self.assertEqual(post.info, [1, 'n2', 'n3', '4', 5])
post.info[-1] = 'n5'
post.save()
post.reload()
self.assertEqual(post.info, [1, 'n2', 'n3', '4', 'n5'])
post.info[-2] = 4
post.save()
post.reload()
self.assertEqual(post.info, [1, 'n2', 'n3', 4, 'n5'])
post.info[1:-1] = [2]
post.save()
post.reload()
self.assertEqual(post.info, [1, 2, 'n5'])
post.info[:-1] = [1, 'n2', 'n3', 4]
post.save()
post.reload()
self.assertEqual(post.info, [1, 'n2', 'n3', 4, 'n5'])
post.info[-4:3] = [2, 3]
post.save()
post.reload()
self.assertEqual(post.info, [1, 2, 3, 4, 'n5'])
def test_list_field_passed_in_value(self):
class Foo(Document):
bars = ListField(ReferenceField("Bar"))
class Bar(Document):
text = StringField()
bar = Bar(text="hi")
bar.save()
foo = Foo(bars=[])
foo.bars.append(bar)
self.assertEqual(repr(foo.bars), '[<Bar: Bar object>]')
def test_list_field_strict(self):
"""Ensure that list field handles validation if provided
a strict field type.
"""
class Simple(Document):
mapping = ListField(field=IntField())
Simple.drop_collection()
e = Simple()
e.mapping = [1]
e.save()
# try creating an invalid mapping
with self.assertRaises(ValidationError):
e.mapping = ["abc"]
e.save()
def test_list_field_rejects_strings(self):
"""Strings aren't valid list field data types."""
class Simple(Document):
mapping = ListField()
Simple.drop_collection()
e = Simple()
e.mapping = 'hello world'
self.assertRaises(ValidationError, e.save)
def test_complex_field_required(self):
"""Ensure required cant be None / Empty."""
class Simple(Document):
mapping = ListField(required=True)
Simple.drop_collection()
e = Simple()
e.mapping = []
self.assertRaises(ValidationError, e.save)
class Simple(Document):
mapping = DictField(required=True)
Simple.drop_collection()
e = Simple()
e.mapping = {}
self.assertRaises(ValidationError, e.save)
def test_complex_field_same_value_not_changed(self):
"""If a complex field is set to the same value, it should not
be marked as changed.
"""
class Simple(Document):
mapping = ListField()
Simple.drop_collection()
e = Simple().save()
e.mapping = []
self.assertEqual([], e._changed_fields)
class Simple(Document):
mapping = DictField()
Simple.drop_collection()
e = Simple().save()
e.mapping = {}
self.assertEqual([], e._changed_fields)
def test_slice_marks_field_as_changed(self):
class Simple(Document):
widgets = ListField()
simple = Simple(widgets=[1, 2, 3, 4]).save()
simple.widgets[:3] = []
self.assertEqual(['widgets'], simple._changed_fields)
simple.save()
simple = simple.reload()
self.assertEqual(simple.widgets, [4])
def test_del_slice_marks_field_as_changed(self):
class Simple(Document):
widgets = ListField()
simple = Simple(widgets=[1, 2, 3, 4]).save()
del simple.widgets[:3]
self.assertEqual(['widgets'], simple._changed_fields)
simple.save()
simple = simple.reload()
self.assertEqual(simple.widgets, [4])
def test_list_field_with_negative_indices(self):
class Simple(Document):
widgets = ListField()
simple = Simple(widgets=[1, 2, 3, 4]).save()
simple.widgets[-1] = 5
self.assertEqual(['widgets.3'], simple._changed_fields)
simple.save()
simple = simple.reload()
self.assertEqual(simple.widgets, [1, 2, 3, 5])
def test_list_field_complex(self):
"""Ensure that the list fields can handle the complex types."""
class SettingBase(EmbeddedDocument):
meta = {'allow_inheritance': True}
class StringSetting(SettingBase):
value = StringField()
class IntegerSetting(SettingBase):
value = IntField()
class Simple(Document):
mapping = ListField()
Simple.drop_collection()
e = Simple()
e.mapping.append(StringSetting(value='foo'))
e.mapping.append(IntegerSetting(value=42))
e.mapping.append({'number': 1, 'string': 'Hi!', 'float': 1.001,
'complex': IntegerSetting(value=42),
'list': [IntegerSetting(value=42),
StringSetting(value='foo')]})
e.save()
e2 = Simple.objects.get(id=e.id)
self.assertIsInstance(e2.mapping[0], StringSetting)
self.assertIsInstance(e2.mapping[1], IntegerSetting)
# Test querying
self.assertEqual(
Simple.objects.filter(mapping__1__value=42).count(), 1)
self.assertEqual(
Simple.objects.filter(mapping__2__number=1).count(), 1)
self.assertEqual(
Simple.objects.filter(mapping__2__complex__value=42).count(), 1)
self.assertEqual(
Simple.objects.filter(mapping__2__list__0__value=42).count(), 1)
self.assertEqual(
Simple.objects.filter(mapping__2__list__1__value='foo').count(), 1)
# Confirm can update
Simple.objects().update(set__mapping__1=IntegerSetting(value=10))
self.assertEqual(
Simple.objects.filter(mapping__1__value=10).count(), 1)
Simple.objects().update(
set__mapping__2__list__1=StringSetting(value='Boo'))
self.assertEqual(
Simple.objects.filter(mapping__2__list__1__value='foo').count(), 0)
self.assertEqual(
Simple.objects.filter(mapping__2__list__1__value='Boo').count(), 1)
def test_embedded_db_field(self):
class Embedded(EmbeddedDocument):
number = IntField(default=0, db_field='i')
class Test(Document):
embedded = EmbeddedDocumentField(Embedded, db_field='x')
Test.drop_collection()
test = Test()
test.embedded = Embedded(number=1)
test.save()
Test.objects.update_one(inc__embedded__number=1)
test = Test.objects.get()
self.assertEqual(test.embedded.number, 2)
doc = self.db.test.find_one()
self.assertEqual(doc['x']['i'], 2)
def test_double_embedded_db_field(self):
"""Make sure multiple layers of embedded docs resolve db fields
properly and can be initialized using dicts.
"""
class C(EmbeddedDocument):
txt = StringField()
class B(EmbeddedDocument):
c = EmbeddedDocumentField(C, db_field='fc')
class A(Document):
b = EmbeddedDocumentField(B, db_field='fb')
a = A(
b=B(
c=C(txt='hi')
)
)
a.validate()
a = A(b={'c': {'txt': 'hi'}})
a.validate()
def test_double_embedded_db_field_from_son(self):
"""Make sure multiple layers of embedded docs resolve db fields
from SON properly.
"""
class C(EmbeddedDocument):
txt = StringField()
class B(EmbeddedDocument):
c = EmbeddedDocumentField(C, db_field='fc')
class A(Document):
b = EmbeddedDocumentField(B, db_field='fb')
a = A._from_son(SON([
('fb', SON([
('fc', SON([
('txt', 'hi')
]))
]))
]))
self.assertEqual(a.b.c.txt, 'hi')
def test_embedded_document_field_cant_reference_using_a_str_if_it_does_not_exist_yet(self):
raise SkipTest("Using a string reference in an EmbeddedDocumentField does not work if the class isnt registerd yet")
class MyDoc2(Document):
emb = EmbeddedDocumentField('MyDoc')
class MyDoc(EmbeddedDocument):
name = StringField()
def test_embedded_document_validation(self):
"""Ensure that invalid embedded documents cannot be assigned to
embedded document fields.
"""
class Comment(EmbeddedDocument):
content = StringField()
class PersonPreferences(EmbeddedDocument):
food = StringField(required=True)
number = IntField()
class Person(Document):
name = StringField()
preferences = EmbeddedDocumentField(PersonPreferences)
Person.drop_collection()
person = Person(name='Test User')
person.preferences = 'My Preferences'
self.assertRaises(ValidationError, person.validate)
# Check that only the right embedded doc works
person.preferences = Comment(content='Nice blog post...')
self.assertRaises(ValidationError, person.validate)
# Check that the embedded doc is valid
person.preferences = PersonPreferences()
self.assertRaises(ValidationError, person.validate)
person.preferences = PersonPreferences(food='Cheese', number=47)
self.assertEqual(person.preferences.food, 'Cheese')
person.validate()
def test_embedded_document_inheritance(self):
"""Ensure that subclasses of embedded documents may be provided
to EmbeddedDocumentFields of the superclass' type.
"""
class User(EmbeddedDocument):
name = StringField()
meta = {'allow_inheritance': True}
class PowerUser(User):
power = IntField()
class BlogPost(Document):
content = StringField()
author = EmbeddedDocumentField(User)
BlogPost.drop_collection()
post = BlogPost(content='What I did today...')
post.author = PowerUser(name='Test User', power=47)
post.save()
self.assertEqual(47, BlogPost.objects.first().author.power)
def test_embedded_document_inheritance_with_list(self):
"""Ensure that nested list of subclassed embedded documents is
handled correctly.
"""
class Group(EmbeddedDocument):
name = StringField()
content = ListField(StringField())
class Basedoc(Document):
groups = ListField(EmbeddedDocumentField(Group))
meta = {'abstract': True}
class User(Basedoc):
doctype = StringField(require=True, default='userdata')
User.drop_collection()
content = ['la', 'le', 'lu']
group = Group(name='foo', content=content)
foobar = User(groups=[group])
foobar.save()
self.assertEqual(content, User.objects.first().groups[0].content)
def test_reference_miss(self):
"""Ensure an exception is raised when dereferencing an unknown
document.
"""
class Foo(Document):
pass
class Bar(Document):
ref = ReferenceField(Foo)
generic_ref = GenericReferenceField()
Foo.drop_collection()
Bar.drop_collection()
foo = Foo().save()
bar = Bar(ref=foo, generic_ref=foo).save()
# Reference is no longer valid
foo.delete()
bar = Bar.objects.get()
self.assertRaises(DoesNotExist, getattr, bar, 'ref')
self.assertRaises(DoesNotExist, getattr, bar, 'generic_ref')
# When auto_dereference is disabled, there is no trouble returning DBRef
bar = Bar.objects.get()
expected = foo.to_dbref()
bar._fields['ref']._auto_dereference = False
self.assertEqual(bar.ref, expected)
bar._fields['generic_ref']._auto_dereference = False
self.assertEqual(bar.generic_ref, {'_ref': expected, '_cls': 'Foo'})
def test_list_item_dereference(self):
"""Ensure that DBRef items in ListFields are dereferenced.
"""
class User(Document):
name = StringField()
class Group(Document):
members = ListField(ReferenceField(User))
User.drop_collection()
Group.drop_collection()
user1 = User(name='user1')
user1.save()
user2 = User(name='user2')
user2.save()
group = Group(members=[user1, user2])
group.save()
group_obj = Group.objects.first()
self.assertEqual(group_obj.members[0].name, user1.name)
self.assertEqual(group_obj.members[1].name, user2.name)
def test_recursive_reference(self):
"""Ensure that ReferenceFields can reference their own documents.
"""
class Employee(Document):
name = StringField()
boss = ReferenceField('self')
friends = ListField(ReferenceField('self'))
Employee.drop_collection()
bill = Employee(name='Bill Lumbergh')
bill.save()
michael = Employee(name='Michael Bolton')
michael.save()
samir = Employee(name='Samir Nagheenanajar')
samir.save()
friends = [michael, samir]
peter = Employee(name='Peter Gibbons', boss=bill, friends=friends)
peter.save()
peter = Employee.objects.with_id(peter.id)
self.assertEqual(peter.boss, bill)
self.assertEqual(peter.friends, friends)
def test_recursive_embedding(self):
"""Ensure that EmbeddedDocumentFields can contain their own documents.
"""
class TreeNode(EmbeddedDocument):
name = StringField()
children = ListField(EmbeddedDocumentField('self'))
class Tree(Document):
name = StringField()
children = ListField(EmbeddedDocumentField('TreeNode'))
Tree.drop_collection()
tree = Tree(name="Tree")
first_child = TreeNode(name="Child 1")
tree.children.append(first_child)
second_child = TreeNode(name="Child 2")
first_child.children.append(second_child)
tree.save()
tree = Tree.objects.first()
self.assertEqual(len(tree.children), 1)
self.assertEqual(len(tree.children[0].children), 1)
third_child = TreeNode(name="Child 3")
tree.children[0].children.append(third_child)
tree.save()
self.assertEqual(len(tree.children), 1)
self.assertEqual(tree.children[0].name, first_child.name)
self.assertEqual(tree.children[0].children[0].name, second_child.name)
self.assertEqual(tree.children[0].children[1].name, third_child.name)
# Test updating
tree.children[0].name = 'I am Child 1'
tree.children[0].children[0].name = 'I am Child 2'
tree.children[0].children[1].name = 'I am Child 3'
tree.save()
self.assertEqual(tree.children[0].name, 'I am Child 1')
self.assertEqual(tree.children[0].children[0].name, 'I am Child 2')
self.assertEqual(tree.children[0].children[1].name, 'I am Child 3')
# Test removal
self.assertEqual(len(tree.children[0].children), 2)
del(tree.children[0].children[1])
tree.save()
self.assertEqual(len(tree.children[0].children), 1)
tree.children[0].children.pop(0)
tree.save()
self.assertEqual(len(tree.children[0].children), 0)
self.assertEqual(tree.children[0].children, [])
tree.children[0].children.insert(0, third_child)
tree.children[0].children.insert(0, second_child)
tree.save()
self.assertEqual(len(tree.children[0].children), 2)
self.assertEqual(tree.children[0].children[0].name, second_child.name)
self.assertEqual(tree.children[0].children[1].name, third_child.name)
def test_drop_abstract_document(self):
"""Ensure that an abstract document cannot be dropped given it
has no underlying collection.
"""
class AbstractDoc(Document):
name = StringField()
meta = {"abstract": True}
self.assertRaises(OperationError, AbstractDoc.drop_collection)
def test_reference_class_with_abstract_parent(self):
"""Ensure that a class with an abstract parent can be referenced.
"""
class Sibling(Document):
name = StringField()
meta = {"abstract": True}
class Sister(Sibling):
pass
class Brother(Sibling):
sibling = ReferenceField(Sibling)
Sister.drop_collection()
Brother.drop_collection()
sister = Sister(name="Alice")
sister.save()
brother = Brother(name="Bob", sibling=sister)
brother.save()
self.assertEquals(Brother.objects[0].sibling.name, sister.name)
def test_reference_abstract_class(self):
"""Ensure that an abstract class instance cannot be used in the
reference of that abstract class.
"""
class Sibling(Document):
name = StringField()
meta = {"abstract": True}
class Sister(Sibling):
pass
class Brother(Sibling):
sibling = ReferenceField(Sibling)
Sister.drop_collection()
Brother.drop_collection()
sister = Sibling(name="Alice")
brother = Brother(name="Bob", sibling=sister)
self.assertRaises(ValidationError, brother.save)
def test_abstract_reference_base_type(self):
"""Ensure that an an abstract reference fails validation when given a
Document that does not inherit from the abstract type.
"""
class Sibling(Document):
name = StringField()
meta = {"abstract": True}
class Brother(Sibling):
sibling = ReferenceField(Sibling)
class Mother(Document):
name = StringField()
Brother.drop_collection()
Mother.drop_collection()
mother = Mother(name="Carol")
mother.save()
brother = Brother(name="Bob", sibling=mother)
self.assertRaises(ValidationError, brother.save)
def test_generic_reference(self):
"""Ensure that a GenericReferenceField properly dereferences items.
"""
class Link(Document):
title = StringField()
meta = {'allow_inheritance': False}
class Post(Document):
title = StringField()
class Bookmark(Document):
bookmark_object = GenericReferenceField()
Link.drop_collection()
Post.drop_collection()
Bookmark.drop_collection()
link_1 = Link(title="Pitchfork")
link_1.save()
post_1 = Post(title="Behind the Scenes of the Pavement Reunion")
post_1.save()
bm = Bookmark(bookmark_object=post_1)
bm.save()
bm = Bookmark.objects(bookmark_object=post_1).first()
self.assertEqual(bm.bookmark_object, post_1)
self.assertIsInstance(bm.bookmark_object, Post)
bm.bookmark_object = link_1
bm.save()
bm = Bookmark.objects(bookmark_object=link_1).first()
self.assertEqual(bm.bookmark_object, link_1)
self.assertIsInstance(bm.bookmark_object, Link)
def test_generic_reference_list(self):
"""Ensure that a ListField properly dereferences generic references.
"""
class Link(Document):
title = StringField()
class Post(Document):
title = StringField()
class User(Document):
bookmarks = ListField(GenericReferenceField())
Link.drop_collection()
Post.drop_collection()
User.drop_collection()
link_1 = Link(title="Pitchfork")
link_1.save()
post_1 = Post(title="Behind the Scenes of the Pavement Reunion")
post_1.save()
user = User(bookmarks=[post_1, link_1])
user.save()
user = User.objects(bookmarks__all=[post_1, link_1]).first()
self.assertEqual(user.bookmarks[0], post_1)
self.assertEqual(user.bookmarks[1], link_1)
def test_generic_reference_document_not_registered(self):
"""Ensure dereferencing out of the document registry throws a
`NotRegistered` error.
"""
class Link(Document):
title = StringField()
class User(Document):
bookmarks = ListField(GenericReferenceField())
Link.drop_collection()
User.drop_collection()
link_1 = Link(title="Pitchfork")
link_1.save()
user = User(bookmarks=[link_1])
user.save()
# Mimic User and Link definitions being in a different file
# and the Link model not being imported in the User file.
del(_document_registry["Link"])
user = User.objects.first()
try:
user.bookmarks
raise AssertionError("Link was removed from the registry")
except NotRegistered:
pass
def test_generic_reference_is_none(self):
class Person(Document):
name = StringField()
city = GenericReferenceField()
Person.drop_collection()
Person(name="Wilson Jr").save()
self.assertEqual(repr(Person.objects(city=None)),
"[<Person: Person object>]")
def test_generic_reference_choices(self):
"""Ensure that a GenericReferenceField can handle choices."""
class Link(Document):
title = StringField()
class Post(Document):
title = StringField()
class Bookmark(Document):
bookmark_object = GenericReferenceField(choices=(Post,))
Link.drop_collection()
Post.drop_collection()
Bookmark.drop_collection()
link_1 = Link(title="Pitchfork")
link_1.save()
post_1 = Post(title="Behind the Scenes of the Pavement Reunion")
post_1.save()
bm = Bookmark(bookmark_object=link_1)
self.assertRaises(ValidationError, bm.validate)
bm = Bookmark(bookmark_object=post_1)
bm.save()
bm = Bookmark.objects.first()
self.assertEqual(bm.bookmark_object, post_1)
def test_generic_reference_string_choices(self):
"""Ensure that a GenericReferenceField can handle choices as strings
"""
class Link(Document):
title = StringField()
class Post(Document):
title = StringField()
class Bookmark(Document):
bookmark_object = GenericReferenceField(choices=('Post', Link))
Link.drop_collection()
Post.drop_collection()
Bookmark.drop_collection()
link_1 = Link(title="Pitchfork")
link_1.save()
post_1 = Post(title="Behind the Scenes of the Pavement Reunion")
post_1.save()
bm = Bookmark(bookmark_object=link_1)
bm.save()
bm = Bookmark(bookmark_object=post_1)
bm.save()
bm = Bookmark(bookmark_object=bm)
self.assertRaises(ValidationError, bm.validate)
def test_generic_reference_choices_no_dereference(self):
"""Ensure that a GenericReferenceField can handle choices on
non-derefenreced (i.e. DBRef) elements
"""
class Post(Document):
title = StringField()
class Bookmark(Document):
bookmark_object = GenericReferenceField(choices=(Post, ))
other_field = StringField()
Post.drop_collection()
Bookmark.drop_collection()
post_1 = Post(title="Behind the Scenes of the Pavement Reunion")
post_1.save()
bm = Bookmark(bookmark_object=post_1)
bm.save()
bm = Bookmark.objects.get(id=bm.id)
# bookmark_object is now a DBRef
bm.other_field = 'dummy_change'
bm.save()
def test_generic_reference_list_choices(self):
"""Ensure that a ListField properly dereferences generic references and
respects choices.
"""
class Link(Document):
title = StringField()
class Post(Document):
title = StringField()
class User(Document):
bookmarks = ListField(GenericReferenceField(choices=(Post,)))
Link.drop_collection()
Post.drop_collection()
User.drop_collection()
link_1 = Link(title="Pitchfork")
link_1.save()
post_1 = Post(title="Behind the Scenes of the Pavement Reunion")
post_1.save()
user = User(bookmarks=[link_1])
self.assertRaises(ValidationError, user.validate)
user = User(bookmarks=[post_1])
user.save()
user = User.objects.first()
self.assertEqual(user.bookmarks, [post_1])
def test_generic_reference_list_item_modification(self):
"""Ensure that modifications of related documents (through generic reference) don't influence on querying
"""
class Post(Document):
title = StringField()
class User(Document):
username = StringField()
bookmarks = ListField(GenericReferenceField())
Post.drop_collection()
User.drop_collection()
post_1 = Post(title="Behind the Scenes of the Pavement Reunion")
post_1.save()
user = User(bookmarks=[post_1])
user.save()
post_1.title = "Title was modified"
user.username = "New username"
user.save()
user = User.objects(bookmarks__all=[post_1]).first()
self.assertNotEqual(user, None)
self.assertEqual(user.bookmarks[0], post_1)
def test_generic_reference_filter_by_dbref(self):
"""Ensure we can search for a specific generic reference by
providing its ObjectId.
"""
class Doc(Document):
ref = GenericReferenceField()
Doc.drop_collection()
doc1 = Doc.objects.create()
doc2 = Doc.objects.create(ref=doc1)
doc = Doc.objects.get(ref=DBRef('doc', doc1.pk))
self.assertEqual(doc, doc2)
def test_generic_reference_is_not_tracked_in_parent_doc(self):
"""Ensure that modifications of related documents (through generic reference) don't influence
the owner changed fields (#1934)
"""
class Doc1(Document):
name = StringField()
class Doc2(Document):
ref = GenericReferenceField()
refs = ListField(GenericReferenceField())
Doc1.drop_collection()
Doc2.drop_collection()
doc1 = Doc1(name='garbage1').save()
doc11 = Doc1(name='garbage11').save()
doc2 = Doc2(ref=doc1, refs=[doc11]).save()
doc2.ref.name = 'garbage2'
self.assertEqual(doc2._get_changed_fields(), [])
doc2.refs[0].name = 'garbage3'
self.assertEqual(doc2._get_changed_fields(), [])
self.assertEqual(doc2._delta(), ({}, {}))
def test_generic_reference_field(self):
"""Ensure we can search for a specific generic reference by
providing its DBRef.
"""
class Doc(Document):
ref = GenericReferenceField()
Doc.drop_collection()
doc1 = Doc.objects.create()
doc2 = Doc.objects.create(ref=doc1)
self.assertIsInstance(doc1.pk, ObjectId)
doc = Doc.objects.get(ref=doc1.pk)
self.assertEqual(doc, doc2)
def test_choices_allow_using_sets_as_choices(self):
"""Ensure that sets can be used when setting choices
"""
class Shirt(Document):
size = StringField(choices={'M', 'L'})
Shirt(size='M').validate()
def test_choices_validation_allow_no_value(self):
"""Ensure that .validate passes and no value was provided
for a field setup with choices
"""
class Shirt(Document):
size = StringField(choices=('S', 'M'))
shirt = Shirt()
shirt.validate()
def test_choices_validation_accept_possible_value(self):
"""Ensure that value is in a container of allowed values.
"""
class Shirt(Document):
size = StringField(choices=('S', 'M'))
shirt = Shirt(size='S')
shirt.validate()
def test_choices_validation_reject_unknown_value(self):
"""Ensure that unallowed value are rejected upon validation
"""
class Shirt(Document):
size = StringField(choices=('S', 'M'))
shirt = Shirt(size="XS")
with self.assertRaises(ValidationError):
shirt.validate()
def test_choices_validation_documents(self):
"""
Ensure fields with document choices validate given a valid choice.
"""
class UserComments(EmbeddedDocument):
author = StringField()
message = StringField()
class BlogPost(Document):
comments = ListField(
GenericEmbeddedDocumentField(choices=(UserComments,))
)
# Ensure Validation Passes
BlogPost(comments=[
UserComments(author='user2', message='message2'),
]).save()
def test_choices_validation_documents_invalid(self):
"""
Ensure fields with document choices validate given an invalid choice.
This should throw a ValidationError exception.
"""
class UserComments(EmbeddedDocument):
author = StringField()
message = StringField()
class ModeratorComments(EmbeddedDocument):
author = StringField()
message = StringField()
class BlogPost(Document):
comments = ListField(
GenericEmbeddedDocumentField(choices=(UserComments,))
)
# Single Entry Failure
post = BlogPost(comments=[
ModeratorComments(author='mod1', message='message1'),
])
self.assertRaises(ValidationError, post.save)
# Mixed Entry Failure
post = BlogPost(comments=[
ModeratorComments(author='mod1', message='message1'),
UserComments(author='user2', message='message2'),
])
self.assertRaises(ValidationError, post.save)
def test_choices_validation_documents_inheritance(self):
"""
Ensure fields with document choices validate given subclass of choice.
"""
class Comments(EmbeddedDocument):
meta = {
'abstract': True
}
author = StringField()
message = StringField()
class UserComments(Comments):
pass
class BlogPost(Document):
comments = ListField(
GenericEmbeddedDocumentField(choices=(Comments,))
)
# Save Valid EmbeddedDocument Type
BlogPost(comments=[
UserComments(author='user2', message='message2'),
]).save()
def test_choices_get_field_display(self):
"""Test dynamic helper for returning the display value of a choices
field.
"""
class Shirt(Document):
size = StringField(max_length=3, choices=(
('S', 'Small'), ('M', 'Medium'), ('L', 'Large'),
('XL', 'Extra Large'), ('XXL', 'Extra Extra Large')))
style = StringField(max_length=3, choices=(
('S', 'Small'), ('B', 'Baggy'), ('W', 'Wide')), default='W')
Shirt.drop_collection()
shirt1 = Shirt()
shirt2 = Shirt()
# Make sure get_<field>_display returns the default value (or None)
self.assertEqual(shirt1.get_size_display(), None)
self.assertEqual(shirt1.get_style_display(), 'Wide')
shirt1.size = 'XXL'
shirt1.style = 'B'
shirt2.size = 'M'
shirt2.style = 'S'
self.assertEqual(shirt1.get_size_display(), 'Extra Extra Large')
self.assertEqual(shirt1.get_style_display(), 'Baggy')
self.assertEqual(shirt2.get_size_display(), 'Medium')
self.assertEqual(shirt2.get_style_display(), 'Small')
# Set as Z - an invalid choice
shirt1.size = 'Z'
shirt1.style = 'Z'
self.assertEqual(shirt1.get_size_display(), 'Z')
self.assertEqual(shirt1.get_style_display(), 'Z')
self.assertRaises(ValidationError, shirt1.validate)
def test_simple_choices_validation(self):
"""Ensure that value is in a container of allowed values.
"""
class Shirt(Document):
size = StringField(max_length=3,
choices=('S', 'M', 'L', 'XL', 'XXL'))
Shirt.drop_collection()
shirt = Shirt()
shirt.validate()
shirt.size = "S"
shirt.validate()
shirt.size = "XS"
self.assertRaises(ValidationError, shirt.validate)
def test_simple_choices_get_field_display(self):
"""Test dynamic helper for returning the display value of a choices
field.
"""
class Shirt(Document):
size = StringField(max_length=3,
choices=('S', 'M', 'L', 'XL', 'XXL'))
style = StringField(max_length=3,
choices=('Small', 'Baggy', 'wide'),
default='Small')
Shirt.drop_collection()
shirt = Shirt()
self.assertEqual(shirt.get_size_display(), None)
self.assertEqual(shirt.get_style_display(), 'Small')
shirt.size = "XXL"
shirt.style = "Baggy"
self.assertEqual(shirt.get_size_display(), 'XXL')
self.assertEqual(shirt.get_style_display(), 'Baggy')
# Set as Z - an invalid choice
shirt.size = "Z"
shirt.style = "Z"
self.assertEqual(shirt.get_size_display(), 'Z')
self.assertEqual(shirt.get_style_display(), 'Z')
self.assertRaises(ValidationError, shirt.validate)
def test_simple_choices_validation_invalid_value(self):
"""Ensure that error messages are correct.
"""
SIZES = ('S', 'M', 'L', 'XL', 'XXL')
COLORS = (('R', 'Red'), ('B', 'Blue'))
SIZE_MESSAGE = u"Value must be one of ('S', 'M', 'L', 'XL', 'XXL')"
COLOR_MESSAGE = u"Value must be one of ['R', 'B']"
class Shirt(Document):
size = StringField(max_length=3, choices=SIZES)
color = StringField(max_length=1, choices=COLORS)
Shirt.drop_collection()
shirt = Shirt()
shirt.validate()
shirt.size = "S"
shirt.color = "R"
shirt.validate()
shirt.size = "XS"
shirt.color = "G"
try:
shirt.validate()
except ValidationError as error:
# get the validation rules
error_dict = error.to_dict()
self.assertEqual(error_dict['size'], SIZE_MESSAGE)
self.assertEqual(error_dict['color'], COLOR_MESSAGE)
def test_generic_embedded_document(self):
class Car(EmbeddedDocument):
name = StringField()
class Dish(EmbeddedDocument):
food = StringField(required=True)
number = IntField()
class Person(Document):
name = StringField()
like = GenericEmbeddedDocumentField()
Person.drop_collection()
person = Person(name='Test User')
person.like = Car(name='Fiat')
person.save()
person = Person.objects.first()
self.assertIsInstance(person.like, Car)
person.like = Dish(food="arroz", number=15)
person.save()
person = Person.objects.first()
self.assertIsInstance(person.like, Dish)
def test_generic_embedded_document_choices(self):
"""Ensure you can limit GenericEmbeddedDocument choices."""
class Car(EmbeddedDocument):
name = StringField()
class Dish(EmbeddedDocument):
food = StringField(required=True)
number = IntField()
class Person(Document):
name = StringField()
like = GenericEmbeddedDocumentField(choices=(Dish,))
Person.drop_collection()
person = Person(name='Test User')
person.like = Car(name='Fiat')
self.assertRaises(ValidationError, person.validate)
person.like = Dish(food="arroz", number=15)
person.save()
person = Person.objects.first()
self.assertIsInstance(person.like, Dish)
def test_generic_list_embedded_document_choices(self):
"""Ensure you can limit GenericEmbeddedDocument choices inside
a list field.
"""
class Car(EmbeddedDocument):
name = StringField()
class Dish(EmbeddedDocument):
food = StringField(required=True)
number = IntField()
class Person(Document):
name = StringField()
likes = ListField(GenericEmbeddedDocumentField(choices=(Dish,)))
Person.drop_collection()
person = Person(name='Test User')
person.likes = [Car(name='Fiat')]
self.assertRaises(ValidationError, person.validate)
person.likes = [Dish(food="arroz", number=15)]
person.save()
person = Person.objects.first()
self.assertIsInstance(person.likes[0], Dish)
def test_recursive_validation(self):
"""Ensure that a validation result to_dict is available."""
class Author(EmbeddedDocument):
name = StringField(required=True)
class Comment(EmbeddedDocument):
author = EmbeddedDocumentField(Author, required=True)
content = StringField(required=True)
class Post(Document):
title = StringField(required=True)
comments = ListField(EmbeddedDocumentField(Comment))
bob = Author(name='Bob')
post = Post(title='hello world')
post.comments.append(Comment(content='hello', author=bob))
post.comments.append(Comment(author=bob))
self.assertRaises(ValidationError, post.validate)
try:
post.validate()
except ValidationError as error:
# ValidationError.errors property
self.assertTrue(hasattr(error, 'errors'))
self.assertIsInstance(error.errors, dict)
self.assertIn('comments', error.errors)
self.assertIn(1, error.errors['comments'])
self.assertIsInstance(error.errors['comments'][1]['content'], ValidationError)
# ValidationError.schema property
error_dict = error.to_dict()
self.assertIsInstance(error_dict, dict)
self.assertIn('comments', error_dict)
self.assertIn(1, error_dict['comments'])
self.assertIn('content', error_dict['comments'][1])
self.assertEqual(error_dict['comments'][1]['content'],
u'Field is required')
post.comments[1].content = 'here we go'
post.validate()
def test_tuples_as_tuples(self):
"""Ensure that tuples remain tuples when they are inside
a ComplexBaseField.
"""
class EnumField(BaseField):
def __init__(self, **kwargs):
super(EnumField, self).__init__(**kwargs)
def to_mongo(self, value):
return value
def to_python(self, value):
return tuple(value)
class TestDoc(Document):
items = ListField(EnumField())
TestDoc.drop_collection()
tuples = [(100, 'Testing')]
doc = TestDoc()
doc.items = tuples
doc.save()
x = TestDoc.objects().get()
self.assertIsNotNone(x)
self.assertEqual(len(x.items), 1)
self.assertIn(tuple(x.items[0]), tuples)
self.assertIn(x.items[0], tuples)
def test_dynamic_fields_class(self):
class Doc2(Document):
field_1 = StringField(db_field='f')
class Doc(Document):
my_id = IntField(primary_key=True)
embed_me = DynamicField(db_field='e')
field_x = StringField(db_field='x')
Doc.drop_collection()
Doc2.drop_collection()
doc2 = Doc2(field_1="hello")
doc = Doc(my_id=1, embed_me=doc2, field_x="x")
self.assertRaises(OperationError, doc.save)
doc2.save()
doc.save()
doc = Doc.objects.get()
self.assertEqual(doc.embed_me.field_1, "hello")
def test_dynamic_fields_embedded_class(self):
class Embed(EmbeddedDocument):
field_1 = StringField(db_field='f')
class Doc(Document):
my_id = IntField(primary_key=True)
embed_me = DynamicField(db_field='e')
field_x = StringField(db_field='x')
Doc.drop_collection()
Doc(my_id=1, embed_me=Embed(field_1="hello"), field_x="x").save()
doc = Doc.objects.get()
self.assertEqual(doc.embed_me.field_1, "hello")
def test_dynamicfield_dump_document(self):
"""Ensure a DynamicField can handle another document's dump."""
class Doc(Document):
field = DynamicField()
class ToEmbed(Document):
id = IntField(primary_key=True, default=1)
recursive = DynamicField()
class ToEmbedParent(Document):
id = IntField(primary_key=True, default=1)
recursive = DynamicField()
meta = {'allow_inheritance': True}
class ToEmbedChild(ToEmbedParent):
pass
to_embed_recursive = ToEmbed(id=1).save()
to_embed = ToEmbed(id=2, recursive=to_embed_recursive).save()
doc = Doc(field=to_embed)
doc.save()
self.assertIsInstance(doc.field, ToEmbed)
self.assertEqual(doc.field, to_embed)
# Same thing with a Document with a _cls field
to_embed_recursive = ToEmbedChild(id=1).save()
to_embed_child = ToEmbedChild(id=2, recursive=to_embed_recursive).save()
doc = Doc(field=to_embed_child)
doc.save()
self.assertIsInstance(doc.field, ToEmbedChild)
self.assertEqual(doc.field, to_embed_child)
def test_cls_field(self):
class Animal(Document):
meta = {'allow_inheritance': True}
class Fish(Animal):
pass
class Mammal(Animal):
pass
class Dog(Mammal):
pass
class Human(Mammal):
pass
Animal.objects.delete()
Dog().save()
Fish().save()
Human().save()
self.assertEquals(Animal.objects(_cls__in=["Animal.Mammal.Dog", "Animal.Fish"]).count(), 2)
self.assertEquals(Animal.objects(_cls__in=["Animal.Fish.Guppy"]).count(), 0)
def test_sparse_field(self):
class Doc(Document):
name = StringField(required=False, unique=True, sparse=True)
# This would raise an exception in a non-sparse unique index
Doc().save()
Doc().save()
def test_undefined_field_exception(self):
"""Tests if a `FieldDoesNotExist` exception is raised when
trying to instantiate a document with a field that's not
defined.
"""
class Doc(Document):
foo = StringField()
with self.assertRaises(FieldDoesNotExist):
Doc(bar='test')
def test_undefined_field_exception_with_strict(self):
"""Tests if a `FieldDoesNotExist` exception is raised when
trying to instantiate a document with a field that's not
defined, even when strict is set to False.
"""
class Doc(Document):
foo = StringField()
meta = {'strict': False}
with self.assertRaises(FieldDoesNotExist):
Doc(bar='test')
class EmbeddedDocumentListFieldTestCase(MongoDBTestCase):
def setUp(self):
"""
Create two BlogPost entries in the database, each with
several EmbeddedDocuments.
"""
class Comments(EmbeddedDocument):
author = StringField()
message = StringField()
class BlogPost(Document):
comments = EmbeddedDocumentListField(Comments)
BlogPost.drop_collection()
self.Comments = Comments
self.BlogPost = BlogPost
self.post1 = self.BlogPost(comments=[
self.Comments(author='user1', message='message1'),
self.Comments(author='user2', message='message1')
]).save()
self.post2 = self.BlogPost(comments=[
self.Comments(author='user2', message='message2'),
self.Comments(author='user2', message='message3'),
self.Comments(author='user3', message='message1')
]).save()
def test_fails_upon_validate_if_provide_a_doc_instead_of_a_list_of_doc(self):
# Relates to Issue #1464
comment = self.Comments(author='John')
class Title(Document):
content = StringField()
# Test with an embeddedDocument instead of a list(embeddedDocument)
# It's an edge case but it used to fail with a vague error, making it difficult to troubleshoot it
post = self.BlogPost(comments=comment)
with self.assertRaises(ValidationError) as ctx_err:
post.validate()
self.assertIn("'comments'", str(ctx_err.exception))
self.assertIn('Only lists and tuples may be used in a list field', str(ctx_err.exception))
# Test with a Document
post = self.BlogPost(comments=Title(content='garbage'))
with self.assertRaises(ValidationError) as e:
post.validate()
self.assertIn("'comments'", str(ctx_err.exception))
self.assertIn('Only lists and tuples may be used in a list field', str(ctx_err.exception))
def test_no_keyword_filter(self):
"""
Tests the filter method of a List of Embedded Documents
with a no keyword.
"""
filtered = self.post1.comments.filter()
# Ensure nothing was changed
self.assertListEqual(filtered, self.post1.comments)
def test_single_keyword_filter(self):
"""
Tests the filter method of a List of Embedded Documents
with a single keyword.
"""
filtered = self.post1.comments.filter(author='user1')
# Ensure only 1 entry was returned.
self.assertEqual(len(filtered), 1)
# Ensure the entry returned is the correct entry.
self.assertEqual(filtered[0].author, 'user1')
def test_multi_keyword_filter(self):
"""
Tests the filter method of a List of Embedded Documents
with multiple keywords.
"""
filtered = self.post2.comments.filter(
author='user2', message='message2'
)
# Ensure only 1 entry was returned.
self.assertEqual(len(filtered), 1)
# Ensure the entry returned is the correct entry.
self.assertEqual(filtered[0].author, 'user2')
self.assertEqual(filtered[0].message, 'message2')
def test_chained_filter(self):
"""
Tests chained filter methods of a List of Embedded Documents
"""
filtered = self.post2.comments.filter(author='user2').filter(
message='message2'
)
# Ensure only 1 entry was returned.
self.assertEqual(len(filtered), 1)
# Ensure the entry returned is the correct entry.
self.assertEqual(filtered[0].author, 'user2')
self.assertEqual(filtered[0].message, 'message2')
def test_unknown_keyword_filter(self):
"""
Tests the filter method of a List of Embedded Documents
when the keyword is not a known keyword.
"""
with self.assertRaises(AttributeError):
self.post2.comments.filter(year=2)
def test_no_keyword_exclude(self):
"""
Tests the exclude method of a List of Embedded Documents
with a no keyword.
"""
filtered = self.post1.comments.exclude()
# Ensure everything was removed
self.assertListEqual(filtered, [])
def test_single_keyword_exclude(self):
"""
Tests the exclude method of a List of Embedded Documents
with a single keyword.
"""
excluded = self.post1.comments.exclude(author='user1')
# Ensure only 1 entry was returned.
self.assertEqual(len(excluded), 1)
# Ensure the entry returned is the correct entry.
self.assertEqual(excluded[0].author, 'user2')
def test_multi_keyword_exclude(self):
"""
Tests the exclude method of a List of Embedded Documents
with multiple keywords.
"""
excluded = self.post2.comments.exclude(
author='user3', message='message1'
)
# Ensure only 2 entries were returned.
self.assertEqual(len(excluded), 2)
# Ensure the entries returned are the correct entries.
self.assertEqual(excluded[0].author, 'user2')
self.assertEqual(excluded[1].author, 'user2')
def test_non_matching_exclude(self):
"""
Tests the exclude method of a List of Embedded Documents
when the keyword does not match any entries.
"""
excluded = self.post2.comments.exclude(author='user4')
# Ensure the 3 entries still exist.
self.assertEqual(len(excluded), 3)
def test_unknown_keyword_exclude(self):
"""
Tests the exclude method of a List of Embedded Documents
when the keyword is not a known keyword.
"""
with self.assertRaises(AttributeError):
self.post2.comments.exclude(year=2)
def test_chained_filter_exclude(self):
"""
Tests the exclude method after a filter method of a List of
Embedded Documents.
"""
excluded = self.post2.comments.filter(author='user2').exclude(
message='message2'
)
# Ensure only 1 entry was returned.
self.assertEqual(len(excluded), 1)
# Ensure the entry returned is the correct entry.
self.assertEqual(excluded[0].author, 'user2')
self.assertEqual(excluded[0].message, 'message3')
def test_count(self):
"""
Tests the count method of a List of Embedded Documents.
"""
self.assertEqual(self.post1.comments.count(), 2)
self.assertEqual(self.post1.comments.count(), len(self.post1.comments))
def test_filtered_count(self):
"""
Tests the filter + count method of a List of Embedded Documents.
"""
count = self.post1.comments.filter(author='user1').count()
self.assertEqual(count, 1)
def test_single_keyword_get(self):
"""
Tests the get method of a List of Embedded Documents using a
single keyword.
"""
comment = self.post1.comments.get(author='user1')
self.assertIsInstance(comment, self.Comments)
self.assertEqual(comment.author, 'user1')
def test_multi_keyword_get(self):
"""
Tests the get method of a List of Embedded Documents using
multiple keywords.
"""
comment = self.post2.comments.get(author='user2', message='message2')
self.assertIsInstance(comment, self.Comments)
self.assertEqual(comment.author, 'user2')
self.assertEqual(comment.message, 'message2')
def test_no_keyword_multiple_return_get(self):
"""
Tests the get method of a List of Embedded Documents without
a keyword to return multiple documents.
"""
with self.assertRaises(MultipleObjectsReturned):
self.post1.comments.get()
def test_keyword_multiple_return_get(self):
"""
Tests the get method of a List of Embedded Documents with a keyword
to return multiple documents.
"""
with self.assertRaises(MultipleObjectsReturned):
self.post2.comments.get(author='user2')
def test_unknown_keyword_get(self):
"""
Tests the get method of a List of Embedded Documents with an
unknown keyword.
"""
with self.assertRaises(AttributeError):
self.post2.comments.get(year=2020)
def test_no_result_get(self):
"""
Tests the get method of a List of Embedded Documents where get
returns no results.
"""
with self.assertRaises(DoesNotExist):
self.post1.comments.get(author='user3')
def test_first(self):
"""
Tests the first method of a List of Embedded Documents to
ensure it returns the first comment.
"""
comment = self.post1.comments.first()
# Ensure a Comment object was returned.
self.assertIsInstance(comment, self.Comments)
self.assertEqual(comment, self.post1.comments[0])
def test_create(self):
"""
Test the create method of a List of Embedded Documents.
"""
comment = self.post1.comments.create(
author='user4', message='message1'
)
self.post1.save()
# Ensure the returned value is the comment object.
self.assertIsInstance(comment, self.Comments)
self.assertEqual(comment.author, 'user4')
self.assertEqual(comment.message, 'message1')
# Ensure the new comment was actually saved to the database.
self.assertIn(
comment,
self.BlogPost.objects(comments__author='user4')[0].comments
)
def test_filtered_create(self):
"""
Test the create method of a List of Embedded Documents chained
to a call to the filter method. Filtering should have no effect
on creation.
"""
comment = self.post1.comments.filter(author='user1').create(
author='user4', message='message1'
)
self.post1.save()
# Ensure the returned value is the comment object.
self.assertIsInstance(comment, self.Comments)
self.assertEqual(comment.author, 'user4')
self.assertEqual(comment.message, 'message1')
# Ensure the new comment was actually saved to the database.
self.assertIn(
comment,
self.BlogPost.objects(comments__author='user4')[0].comments
)
def test_no_keyword_update(self):
"""
Tests the update method of a List of Embedded Documents with
no keywords.
"""
original = list(self.post1.comments)
number = self.post1.comments.update()
self.post1.save()
# Ensure that nothing was altered.
self.assertIn(
original[0],
self.BlogPost.objects(id=self.post1.id)[0].comments
)
self.assertIn(
original[1],
self.BlogPost.objects(id=self.post1.id)[0].comments
)
# Ensure the method returned 0 as the number of entries
# modified
self.assertEqual(number, 0)
def test_single_keyword_update(self):
"""
Tests the update method of a List of Embedded Documents with
a single keyword.
"""
number = self.post1.comments.update(author='user4')
self.post1.save()
comments = self.BlogPost.objects(id=self.post1.id)[0].comments
# Ensure that the database was updated properly.
self.assertEqual(comments[0].author, 'user4')
self.assertEqual(comments[1].author, 'user4')
# Ensure the method returned 2 as the number of entries
# modified
self.assertEqual(number, 2)
def test_unicode(self):
"""
Tests that unicode strings handled correctly
"""
post = self.BlogPost(comments=[
self.Comments(author='user1', message=u'сообщение'),
self.Comments(author='user2', message=u'хабарлама')
]).save()
self.assertEqual(post.comments.get(message=u'сообщение').author,
'user1')
def test_save(self):
"""
Tests the save method of a List of Embedded Documents.
"""
comments = self.post1.comments
new_comment = self.Comments(author='user4')
comments.append(new_comment)
comments.save()
# Ensure that the new comment has been added to the database.
self.assertIn(
new_comment,
self.BlogPost.objects(id=self.post1.id)[0].comments
)
def test_delete(self):
"""
Tests the delete method of a List of Embedded Documents.
"""
number = self.post1.comments.delete()
self.post1.save()
# Ensure that all the comments under post1 were deleted in the
# database.
self.assertListEqual(
self.BlogPost.objects(id=self.post1.id)[0].comments, []
)
# Ensure that post1 comments were deleted from the list.
self.assertListEqual(self.post1.comments, [])
# Ensure that comments still returned a EmbeddedDocumentList object.
self.assertIsInstance(self.post1.comments, EmbeddedDocumentList)
# Ensure that the delete method returned 2 as the number of entries
# deleted from the database
self.assertEqual(number, 2)
def test_empty_list_embedded_documents_with_unique_field(self):
"""
Tests that only one document with an empty list of embedded documents
that have a unique field can be saved, but if the unique field is
also sparse than multiple documents with an empty list can be saved.
"""
class EmbeddedWithUnique(EmbeddedDocument):
number = IntField(unique=True)
class A(Document):
my_list = ListField(EmbeddedDocumentField(EmbeddedWithUnique))
A(my_list=[]).save()
with self.assertRaises(NotUniqueError):
A(my_list=[]).save()
class EmbeddedWithSparseUnique(EmbeddedDocument):
number = IntField(unique=True, sparse=True)
class B(Document):
my_list = ListField(EmbeddedDocumentField(EmbeddedWithSparseUnique))
A.drop_collection()
B.drop_collection()
B(my_list=[]).save()
B(my_list=[]).save()
def test_filtered_delete(self):
"""
Tests the delete method of a List of Embedded Documents
after the filter method has been called.
"""
comment = self.post1.comments[1]
number = self.post1.comments.filter(author='user2').delete()
self.post1.save()
# Ensure that only the user2 comment was deleted.
self.assertNotIn(
comment, self.BlogPost.objects(id=self.post1.id)[0].comments
)
self.assertEqual(
len(self.BlogPost.objects(id=self.post1.id)[0].comments), 1
)
# Ensure that the user2 comment no longer exists in the list.
self.assertNotIn(comment, self.post1.comments)
self.assertEqual(len(self.post1.comments), 1)
# Ensure that the delete method returned 1 as the number of entries
# deleted from the database
self.assertEqual(number, 1)
def test_custom_data(self):
"""
Tests that custom data is saved in the field object
and doesn't interfere with the rest of field functionalities.
"""
custom_data = {'a': 'a_value', 'b': [1, 2]}
class CustomData(Document):
a_field = IntField()
c_field = IntField(custom_data=custom_data)
CustomData.drop_collection()
a1 = CustomData(a_field=1, c_field=2).save()
self.assertEqual(2, a1.c_field)
self.assertFalse(hasattr(a1.c_field, 'custom_data'))
self.assertTrue(hasattr(CustomData.c_field, 'custom_data'))
self.assertEqual(custom_data['a'], CustomData.c_field.custom_data['a'])
class TestEmbeddedDocumentField(MongoDBTestCase):
def test___init___(self):
class MyDoc(EmbeddedDocument):
name = StringField()
field = EmbeddedDocumentField(MyDoc)
self.assertEqual(field.document_type_obj, MyDoc)
field2 = EmbeddedDocumentField('MyDoc')
self.assertEqual(field2.document_type_obj, 'MyDoc')
def test___init___throw_error_if_document_type_is_not_EmbeddedDocument(self):
with self.assertRaises(ValidationError):
EmbeddedDocumentField(dict)
def test_document_type_throw_error_if_not_EmbeddedDocument_subclass(self):
class MyDoc(Document):
name = StringField()
emb = EmbeddedDocumentField('MyDoc')
with self.assertRaises(ValidationError) as ctx:
emb.document_type
self.assertIn('Invalid embedded document class provided to an EmbeddedDocumentField', str(ctx.exception))
def test_embedded_document_field_only_allow_subclasses_of_embedded_document(self):
# Relates to #1661
class MyDoc(Document):
name = StringField()
with self.assertRaises(ValidationError):
class MyFailingDoc(Document):
emb = EmbeddedDocumentField(MyDoc)
with self.assertRaises(ValidationError):
class MyFailingdoc2(Document):
emb = EmbeddedDocumentField('MyDoc')
if __name__ == '__main__':
unittest.main()