0ed79a839d
All saves on exisiting items do set / unset operations only on changed fields. * Note lists and dicts generally do set operations for things like pop() del[key] As there is no easy map to unset and explicitly matches the new list / dict fixes #18
396 lines
9.7 KiB
Python
396 lines
9.7 KiB
Python
import unittest
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from mongoengine import *
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from mongoengine.connection import _get_db
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from mongoengine.tests import query_counter
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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_list_item_dereference(self):
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"""Ensure that DBRef items in ListFields are dereferenced.
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"""
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class User(Document):
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name = StringField()
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class Group(Document):
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members = ListField(ReferenceField(User))
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User.drop_collection()
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Group.drop_collection()
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for i in xrange(1, 51):
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user = User(name='user %s' % i)
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user.save()
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group = Group(members=User.objects)
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group.save()
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with query_counter() as q:
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self.assertEqual(q, 0)
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group_obj = Group.objects.first()
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self.assertEqual(q, 1)
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[m for m in group_obj.members]
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self.assertEqual(q, 2)
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User.drop_collection()
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Group.drop_collection()
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def test_recursive_reference(self):
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"""Ensure that ReferenceFields can reference their own documents.
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"""
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class Employee(Document):
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name = StringField()
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boss = ReferenceField('self')
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friends = ListField(ReferenceField('self'))
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bill = Employee(name='Bill Lumbergh')
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bill.save()
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michael = Employee(name='Michael Bolton')
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michael.save()
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samir = Employee(name='Samir Nagheenanajar')
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samir.save()
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friends = [michael, samir]
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peter = Employee(name='Peter Gibbons', boss=bill, friends=friends)
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peter.save()
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with query_counter() as q:
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self.assertEqual(q, 0)
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peter = Employee.objects.with_id(peter.id)
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self.assertEqual(q, 1)
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peter.boss
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self.assertEqual(q, 2)
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peter.friends
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self.assertEqual(q, 3)
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def test_generic_reference(self):
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class UserA(Document):
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name = StringField()
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class UserB(Document):
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name = StringField()
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class UserC(Document):
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name = StringField()
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class Group(Document):
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members = ListField(GenericReferenceField())
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UserA.drop_collection()
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UserB.drop_collection()
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UserC.drop_collection()
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Group.drop_collection()
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members = []
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for i in xrange(1, 51):
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a = UserA(name='User A %s' % i)
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a.save()
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b = UserB(name='User B %s' % i)
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b.save()
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c = UserC(name='User C %s' % i)
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c.save()
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members += [a, b, c]
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group = Group(members=members)
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group.save()
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with query_counter() as q:
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self.assertEqual(q, 0)
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group_obj = Group.objects.first()
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self.assertEqual(q, 1)
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[m for m in group_obj.members]
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self.assertEqual(q, 4)
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[m for m in group_obj.members]
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self.assertEqual(q, 4)
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for m in group_obj.members:
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self.assertTrue('User' in m.__class__.__name__)
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UserA.drop_collection()
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UserB.drop_collection()
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UserC.drop_collection()
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Group.drop_collection()
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def test_list_field_complex(self):
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class UserA(Document):
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name = StringField()
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class UserB(Document):
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name = StringField()
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class UserC(Document):
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name = StringField()
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class Group(Document):
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members = ListField()
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UserA.drop_collection()
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UserB.drop_collection()
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UserC.drop_collection()
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Group.drop_collection()
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members = []
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for i in xrange(1, 51):
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a = UserA(name='User A %s' % i)
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a.save()
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b = UserB(name='User B %s' % i)
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b.save()
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c = UserC(name='User C %s' % i)
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c.save()
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members += [a, b, c]
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group = Group(members=members)
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group.save()
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with query_counter() as q:
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self.assertEqual(q, 0)
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group_obj = Group.objects.first()
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self.assertEqual(q, 1)
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[m for m in group_obj.members]
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self.assertEqual(q, 4)
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[m for m in group_obj.members]
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self.assertEqual(q, 4)
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for m in group_obj.members:
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self.assertTrue('User' in m.__class__.__name__)
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UserA.drop_collection()
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UserB.drop_collection()
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UserC.drop_collection()
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Group.drop_collection()
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def test_map_field_reference(self):
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class User(Document):
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name = StringField()
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class Group(Document):
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members = MapField(ReferenceField(User))
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User.drop_collection()
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Group.drop_collection()
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members = []
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for i in xrange(1, 51):
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user = User(name='user %s' % i)
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user.save()
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members.append(user)
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group = Group(members=dict([(str(u.id), u) for u in members]))
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group.save()
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with query_counter() as q:
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self.assertEqual(q, 0)
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group_obj = Group.objects.first()
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self.assertEqual(q, 1)
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[m for m in group_obj.members]
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self.assertEqual(q, 2)
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for k, m in group_obj.members.iteritems():
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self.assertTrue(isinstance(m, User))
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User.drop_collection()
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Group.drop_collection()
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def test_dict_field(self):
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class UserA(Document):
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name = StringField()
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class UserB(Document):
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name = StringField()
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class UserC(Document):
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name = StringField()
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class Group(Document):
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members = DictField()
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UserA.drop_collection()
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UserB.drop_collection()
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UserC.drop_collection()
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Group.drop_collection()
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members = []
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for i in xrange(1, 51):
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a = UserA(name='User A %s' % i)
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a.save()
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b = UserB(name='User B %s' % i)
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b.save()
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c = UserC(name='User C %s' % i)
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c.save()
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members += [a, b, c]
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group = Group(members=dict([(str(u.id), u) for u in members]))
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group.save()
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with query_counter() as q:
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self.assertEqual(q, 0)
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group_obj = Group.objects.first()
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self.assertEqual(q, 1)
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[m for m in group_obj.members]
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self.assertEqual(q, 4)
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[m for m in group_obj.members]
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self.assertEqual(q, 4)
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for k, m in group_obj.members.iteritems():
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self.assertTrue('User' in m.__class__.__name__)
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group.members = {}
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group.save()
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with query_counter() as q:
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self.assertEqual(q, 0)
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group_obj = Group.objects.first()
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self.assertEqual(q, 1)
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[m for m in group_obj.members]
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self.assertEqual(q, 1)
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self.assertEqual(group_obj.members, {})
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UserA.drop_collection()
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UserB.drop_collection()
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UserC.drop_collection()
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Group.drop_collection()
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def test_dict_field_no_field_inheritance(self):
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class UserA(Document):
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name = StringField()
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meta = {'allow_inheritance': False}
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class Group(Document):
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members = DictField()
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UserA.drop_collection()
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Group.drop_collection()
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members = []
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for i in xrange(1, 51):
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a = UserA(name='User A %s' % i)
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a.save()
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members += [a]
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group = Group(members=dict([(str(u.id), u) for u in members]))
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group.save()
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with query_counter() as q:
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self.assertEqual(q, 0)
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group_obj = Group.objects.first()
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self.assertEqual(q, 1)
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[m for m in group_obj.members]
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self.assertEqual(q, 2)
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[m for m in group_obj.members]
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self.assertEqual(q, 2)
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for k, m in group_obj.members.iteritems():
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self.assertTrue(isinstance(m, UserA))
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UserA.drop_collection()
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Group.drop_collection()
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def test_generic_reference_map_field(self):
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class UserA(Document):
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name = StringField()
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class UserB(Document):
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name = StringField()
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class UserC(Document):
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name = StringField()
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class Group(Document):
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members = MapField(GenericReferenceField())
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UserA.drop_collection()
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UserB.drop_collection()
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UserC.drop_collection()
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Group.drop_collection()
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members = []
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for i in xrange(1, 51):
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a = UserA(name='User A %s' % i)
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a.save()
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b = UserB(name='User B %s' % i)
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b.save()
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c = UserC(name='User C %s' % i)
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c.save()
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members += [a, b, c]
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group = Group(members=dict([(str(u.id), u) for u in members]))
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group.save()
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with query_counter() as q:
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self.assertEqual(q, 0)
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group_obj = Group.objects.first()
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self.assertEqual(q, 1)
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[m for m in group_obj.members]
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self.assertEqual(q, 4)
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[m for m in group_obj.members]
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self.assertEqual(q, 4)
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for k, m in group_obj.members.iteritems():
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self.assertTrue('User' in m.__class__.__name__)
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group.members = {}
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group.save()
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with query_counter() as q:
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self.assertEqual(q, 0)
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group_obj = Group.objects.first()
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self.assertEqual(q, 1)
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[m for m in group_obj.members]
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self.assertEqual(q, 1)
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UserA.drop_collection()
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UserB.drop_collection()
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UserC.drop_collection()
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Group.drop_collection() |