mongoengine/tests/fields/test_sequence_field.py
2019-02-24 10:24:12 +01:00

272 lines
8.5 KiB
Python

# -*- coding: utf-8 -*-
from mongoengine import *
from tests.utils import MongoDBTestCase
class TestSequenceField(MongoDBTestCase):
def test_sequence_field(self):
class Person(Document):
id = SequenceField(primary_key=True)
name = StringField()
self.db['mongoengine.counters'].drop()
Person.drop_collection()
for x in range(10):
Person(name="Person %s" % x).save()
c = self.db['mongoengine.counters'].find_one({'_id': 'person.id'})
self.assertEqual(c['next'], 10)
ids = [i.id for i in Person.objects]
self.assertEqual(ids, range(1, 11))
c = self.db['mongoengine.counters'].find_one({'_id': 'person.id'})
self.assertEqual(c['next'], 10)
Person.id.set_next_value(1000)
c = self.db['mongoengine.counters'].find_one({'_id': 'person.id'})
self.assertEqual(c['next'], 1000)
def test_sequence_field_get_next_value(self):
class Person(Document):
id = SequenceField(primary_key=True)
name = StringField()
self.db['mongoengine.counters'].drop()
Person.drop_collection()
for x in range(10):
Person(name="Person %s" % x).save()
self.assertEqual(Person.id.get_next_value(), 11)
self.db['mongoengine.counters'].drop()
self.assertEqual(Person.id.get_next_value(), 1)
class Person(Document):
id = SequenceField(primary_key=True, value_decorator=str)
name = StringField()
self.db['mongoengine.counters'].drop()
Person.drop_collection()
for x in range(10):
Person(name="Person %s" % x).save()
self.assertEqual(Person.id.get_next_value(), '11')
self.db['mongoengine.counters'].drop()
self.assertEqual(Person.id.get_next_value(), '1')
def test_sequence_field_sequence_name(self):
class Person(Document):
id = SequenceField(primary_key=True, sequence_name='jelly')
name = StringField()
self.db['mongoengine.counters'].drop()
Person.drop_collection()
for x in range(10):
Person(name="Person %s" % x).save()
c = self.db['mongoengine.counters'].find_one({'_id': 'jelly.id'})
self.assertEqual(c['next'], 10)
ids = [i.id for i in Person.objects]
self.assertEqual(ids, range(1, 11))
c = self.db['mongoengine.counters'].find_one({'_id': 'jelly.id'})
self.assertEqual(c['next'], 10)
Person.id.set_next_value(1000)
c = self.db['mongoengine.counters'].find_one({'_id': 'jelly.id'})
self.assertEqual(c['next'], 1000)
def test_multiple_sequence_fields(self):
class Person(Document):
id = SequenceField(primary_key=True)
counter = SequenceField()
name = StringField()
self.db['mongoengine.counters'].drop()
Person.drop_collection()
for x in range(10):
Person(name="Person %s" % x).save()
c = self.db['mongoengine.counters'].find_one({'_id': 'person.id'})
self.assertEqual(c['next'], 10)
ids = [i.id for i in Person.objects]
self.assertEqual(ids, range(1, 11))
counters = [i.counter for i in Person.objects]
self.assertEqual(counters, range(1, 11))
c = self.db['mongoengine.counters'].find_one({'_id': 'person.id'})
self.assertEqual(c['next'], 10)
Person.id.set_next_value(1000)
c = self.db['mongoengine.counters'].find_one({'_id': 'person.id'})
self.assertEqual(c['next'], 1000)
Person.counter.set_next_value(999)
c = self.db['mongoengine.counters'].find_one({'_id': 'person.counter'})
self.assertEqual(c['next'], 999)
def test_sequence_fields_reload(self):
class Animal(Document):
counter = SequenceField()
name = StringField()
self.db['mongoengine.counters'].drop()
Animal.drop_collection()
a = Animal(name="Boi").save()
self.assertEqual(a.counter, 1)
a.reload()
self.assertEqual(a.counter, 1)
a.counter = None
self.assertEqual(a.counter, 2)
a.save()
self.assertEqual(a.counter, 2)
a = Animal.objects.first()
self.assertEqual(a.counter, 2)
a.reload()
self.assertEqual(a.counter, 2)
def test_multiple_sequence_fields_on_docs(self):
class Animal(Document):
id = SequenceField(primary_key=True)
name = StringField()
class Person(Document):
id = SequenceField(primary_key=True)
name = StringField()
self.db['mongoengine.counters'].drop()
Animal.drop_collection()
Person.drop_collection()
for x in range(10):
Animal(name="Animal %s" % x).save()
Person(name="Person %s" % x).save()
c = self.db['mongoengine.counters'].find_one({'_id': 'person.id'})
self.assertEqual(c['next'], 10)
c = self.db['mongoengine.counters'].find_one({'_id': 'animal.id'})
self.assertEqual(c['next'], 10)
ids = [i.id for i in Person.objects]
self.assertEqual(ids, range(1, 11))
id = [i.id for i in Animal.objects]
self.assertEqual(id, range(1, 11))
c = self.db['mongoengine.counters'].find_one({'_id': 'person.id'})
self.assertEqual(c['next'], 10)
c = self.db['mongoengine.counters'].find_one({'_id': 'animal.id'})
self.assertEqual(c['next'], 10)
def test_sequence_field_value_decorator(self):
class Person(Document):
id = SequenceField(primary_key=True, value_decorator=str)
name = StringField()
self.db['mongoengine.counters'].drop()
Person.drop_collection()
for x in range(10):
p = Person(name="Person %s" % x)
p.save()
c = self.db['mongoengine.counters'].find_one({'_id': 'person.id'})
self.assertEqual(c['next'], 10)
ids = [i.id for i in Person.objects]
self.assertEqual(ids, map(str, range(1, 11)))
c = self.db['mongoengine.counters'].find_one({'_id': 'person.id'})
self.assertEqual(c['next'], 10)
def test_embedded_sequence_field(self):
class Comment(EmbeddedDocument):
id = SequenceField()
content = StringField(required=True)
class Post(Document):
title = StringField(required=True)
comments = ListField(EmbeddedDocumentField(Comment))
self.db['mongoengine.counters'].drop()
Post.drop_collection()
Post(title="MongoEngine",
comments=[Comment(content="NoSQL Rocks"),
Comment(content="MongoEngine Rocks")]).save()
c = self.db['mongoengine.counters'].find_one({'_id': 'comment.id'})
self.assertEqual(c['next'], 2)
post = Post.objects.first()
self.assertEqual(1, post.comments[0].id)
self.assertEqual(2, post.comments[1].id)
def test_inherited_sequencefield(self):
class Base(Document):
name = StringField()
counter = SequenceField()
meta = {'abstract': True}
class Foo(Base):
pass
class Bar(Base):
pass
bar = Bar(name='Bar')
bar.save()
foo = Foo(name='Foo')
foo.save()
self.assertTrue('base.counter' in
self.db['mongoengine.counters'].find().distinct('_id'))
self.assertFalse(('foo.counter' or 'bar.counter') in
self.db['mongoengine.counters'].find().distinct('_id'))
self.assertNotEqual(foo.counter, bar.counter)
self.assertEqual(foo._fields['counter'].owner_document, Base)
self.assertEqual(bar._fields['counter'].owner_document, Base)
def test_no_inherited_sequencefield(self):
class Base(Document):
name = StringField()
meta = {'abstract': True}
class Foo(Base):
counter = SequenceField()
class Bar(Base):
counter = SequenceField()
bar = Bar(name='Bar')
bar.save()
foo = Foo(name='Foo')
foo.save()
self.assertFalse('base.counter' in
self.db['mongoengine.counters'].find().distinct('_id'))
self.assertTrue(('foo.counter' and 'bar.counter') in
self.db['mongoengine.counters'].find().distinct('_id'))
self.assertEqual(foo.counter, bar.counter)
self.assertEqual(foo._fields['counter'].owner_document, Foo)
self.assertEqual(bar._fields['counter'].owner_document, Bar)