299 lines
9.1 KiB
Python
299 lines
9.1 KiB
Python
import unittest
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import datetime
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from mongoengine import *
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from mongoengine.connection import _get_db
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class FieldTest(unittest.TestCase):
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def setUp(self):
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connect(db='mongoenginetest')
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self.db = _get_db()
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def test_default_values(self):
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"""Ensure that default field values are used when creating a document.
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"""
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class Person(Document):
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name = StringField()
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age = IntField(default=30)
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userid = StringField(default=lambda: 'test')
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person = Person(name='Test Person')
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self.assertEqual(person._data['age'], 30)
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self.assertEqual(person._data['userid'], 'test')
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def test_required_values(self):
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"""Ensure that required field constraints are enforced.
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"""
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class Person(Document):
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name = StringField(required=True)
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age = IntField(required=True)
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userid = StringField()
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person = Person(name="Test User")
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self.assertRaises(ValidationError, person.validate)
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person = Person(age=30)
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self.assertRaises(ValidationError, person.validate)
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def test_object_id_validation(self):
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"""Ensure that invalid values cannot be assigned to string fields.
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"""
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class Person(Document):
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name = StringField()
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person = Person(name='Test User')
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self.assertEqual(person.id, None)
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person.id = 47
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self.assertRaises(ValidationError, person.validate)
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person.id = 'abc'
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self.assertRaises(ValidationError, person.validate)
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person.id = '497ce96f395f2f052a494fd4'
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person.validate()
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def test_string_validation(self):
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"""Ensure that invalid values cannot be assigned to string fields.
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"""
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class Person(Document):
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name = StringField(max_length=20)
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userid = StringField(r'[0-9a-z_]+$')
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person = Person(name=34)
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self.assertRaises(ValidationError, person.validate)
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# Test regex validation on userid
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person = Person(userid='test.User')
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self.assertRaises(ValidationError, person.validate)
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person.userid = 'test_user'
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self.assertEqual(person.userid, 'test_user')
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person.validate()
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# Test max length validation on name
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person = Person(name='Name that is more than twenty characters')
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self.assertRaises(ValidationError, person.validate)
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person.name = 'Shorter name'
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person.validate()
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def test_int_validation(self):
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"""Ensure that invalid values cannot be assigned to int fields.
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"""
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class Person(Document):
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age = IntField(min_value=0, max_value=110)
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person = Person()
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person.age = 50
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person.validate()
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person.age = -1
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self.assertRaises(ValidationError, person.validate)
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person.age = 120
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self.assertRaises(ValidationError, person.validate)
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person.age = 'ten'
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self.assertRaises(ValidationError, person.validate)
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def test_float_validation(self):
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"""Ensure that invalid values cannot be assigned to float fields.
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"""
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class Person(Document):
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height = FloatField(min_value=0.1, max_value=3.5)
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person = Person()
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person.height = 1.89
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person.validate()
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person.height = 2
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self.assertRaises(ValidationError, person.validate)
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person.height = 0.01
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self.assertRaises(ValidationError, person.validate)
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person.height = 4.0
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self.assertRaises(ValidationError, person.validate)
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def test_boolean_validation(self):
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"""Ensure that invalid values cannot be assigned to boolean fields.
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"""
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class Person(Document):
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admin = BooleanField()
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person = Person()
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person.admin = True
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person.validate()
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person.admin = 2
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self.assertRaises(ValidationError, person.validate)
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person.admin = 'Yes'
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self.assertRaises(ValidationError, person.validate)
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def test_datetime_validation(self):
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"""Ensure that invalid values cannot be assigned to datetime fields.
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"""
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class LogEntry(Document):
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time = DateTimeField()
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log = LogEntry()
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log.time = datetime.datetime.now()
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log.validate()
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log.time = -1
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self.assertRaises(ValidationError, log.validate)
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log.time = '1pm'
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self.assertRaises(ValidationError, log.validate)
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def test_list_validation(self):
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"""Ensure that a list field only accepts lists with valid elements.
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"""
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class Comment(EmbeddedDocument):
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content = StringField()
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class BlogPost(Document):
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content = StringField()
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comments = ListField(EmbeddedDocumentField(Comment))
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tags = ListField(StringField())
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post = BlogPost(content='Went for a walk today...')
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post.validate()
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post.tags = 'fun'
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self.assertRaises(ValidationError, post.validate)
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post.tags = [1, 2]
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self.assertRaises(ValidationError, post.validate)
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post.tags = ['fun', 'leisure']
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post.validate()
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post.tags = ('fun', 'leisure')
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post.validate()
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comments = [Comment(content='Good for you'), Comment(content='Yay.')]
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post.comments = comments
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post.validate()
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post.comments = ['a']
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self.assertRaises(ValidationError, post.validate)
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post.comments = 'yay'
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self.assertRaises(ValidationError, post.validate)
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def test_embedded_document_validation(self):
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"""Ensure that invalid embedded documents cannot be assigned to
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embedded document fields.
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"""
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class Comment(EmbeddedDocument):
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content = StringField()
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class PersonPreferences(EmbeddedDocument):
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food = StringField()
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number = IntField()
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class Person(Document):
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name = StringField()
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preferences = EmbeddedDocumentField(PersonPreferences)
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person = Person(name='Test User')
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person.preferences = 'My Preferences'
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self.assertRaises(ValidationError, person.validate)
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person.preferences = Comment(content='Nice blog post...')
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self.assertRaises(ValidationError, person.validate)
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person.preferences = PersonPreferences(food='Cheese', number=47)
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self.assertEqual(person.preferences.food, 'Cheese')
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person.validate()
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def test_embedded_document_inheritance(self):
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"""Ensure that subclasses of embedded documents may be provided to
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EmbeddedDocumentFields of the superclass' type.
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"""
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class User(EmbeddedDocument):
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name = StringField()
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class PowerUser(User):
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power = IntField()
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class BlogPost(Document):
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content = StringField()
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author = EmbeddedDocumentField(User)
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post = BlogPost(content='What I did today...')
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post.author = User(name='Test User')
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post.author = PowerUser(name='Test User', power=47)
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def test_reference_validation(self):
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"""Ensure that invalid docment objects cannot be assigned to reference
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fields.
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"""
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class User(Document):
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name = StringField()
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class BlogPost(Document):
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content = StringField()
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author = ReferenceField(User)
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User.drop_collection()
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BlogPost.drop_collection()
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self.assertRaises(ValidationError, ReferenceField, EmbeddedDocument)
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user = User(name='Test User')
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# Ensure that the referenced object must have been saved
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post1 = BlogPost(content='Chips and gravy taste good.')
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post1.author = user
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self.assertRaises(ValidationError, post1.save)
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# Check that an invalid object type cannot be used
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post2 = BlogPost(content='Chips and chilli taste good.')
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post1.author = post2
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self.assertRaises(ValidationError, post1.validate)
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user.save()
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post1.author = user
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post1.save()
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post2.save()
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post1.author = post2
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self.assertRaises(ValidationError, post1.validate)
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User.drop_collection()
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BlogPost.drop_collection()
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def test_reference_query_conversion(self):
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"""Ensure that ReferenceFields can be queried using objects and values
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of the type of the primary key of the referenced object.
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"""
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class Member(Document):
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user_num = IntField(primary_key=True)
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class BlogPost(Document):
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title = StringField()
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author = ReferenceField(Member)
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Member.drop_collection()
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BlogPost.drop_collection()
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m1 = Member(user_num=1)
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m1.save()
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m2 = Member(user_num=2)
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m2.save()
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post1 = BlogPost(title='post 1', author=m1)
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post1.save()
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post2 = BlogPost(title='post 2', author=m2)
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post2.save()
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post = BlogPost.objects(author=m1.id).first()
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self.assertEqual(post.id, post1.id)
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post = BlogPost.objects(author=m2.id).first()
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self.assertEqual(post.id, post2.id)
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Member.drop_collection()
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BlogPost.drop_collection()
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if __name__ == '__main__':
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unittest.main()
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