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from __future__ import unicode_literals
from operator import attrgetter
from django.apps.registry import Apps
from django.db import models
from django.test import TestCase
from .base_tests import BaseOrderWithRespectToTests
from .models import Answer, Dimension, Entity, Post, Question
class OrderWithRespectToBaseTests(BaseOrderWithRespectToTests, TestCase):
Answer = Answer
Post = Post
Question = Question
class OrderWithRespectToTests(TestCase):
def test_duplicate_order_field(self):
test_apps = Apps(['order_with_respect_to'])
class Bar(models.Model):
class Meta:
apps = test_apps
app_label = 'order_with_respect_to'
class Foo(models.Model):
bar = models.ForeignKey(Bar, models.CASCADE)
order = models.OrderWrt()
class Meta:
order_with_respect_to = 'bar'
apps = test_apps
app_label = 'order_with_respect_to'
count = 0
for field in Foo._meta.local_fields:
if isinstance(field, models.OrderWrt):
count += 1
self.assertEqual(count, 1)
class TestOrderWithRespectToOneToOnePK(TestCase):
def test_set_order(self):
e = Entity.objects.create()
d = Dimension.objects.create(entity=e)
c1 = d.component_set.create()
c2 = d.component_set.create()
d.set_component_order([c1.id, c2.id])
self.assertQuerysetEqual(d.component_set.all(), [c1.id, c2.id], attrgetter('pk'))
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