689 lines
32 KiB
Python
689 lines
32 KiB
Python
# -*- coding: utf-8 -*-
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""" Test Cases
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Please see README.rst or DOCS.rst or http://chrisglass.github.com/django_polymorphic/
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"""
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import uuid
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import re
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from django.test import TestCase
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from django.db.models import Q,Count
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from django.db import models
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from django.contrib.contenttypes.models import ContentType
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from polymorphic import PolymorphicModel, PolymorphicManager
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from polymorphic import ShowFieldContent, ShowFieldType, ShowFieldTypeAndContent
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from polymorphic.tools_for_tests import UUIDField
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class PlainA(models.Model):
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field1 = models.CharField(max_length=10)
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class PlainB(PlainA):
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field2 = models.CharField(max_length=10)
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class PlainC(PlainB):
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field3 = models.CharField(max_length=10)
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class Model2A(ShowFieldType, PolymorphicModel):
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field1 = models.CharField(max_length=10)
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class Model2B(Model2A):
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field2 = models.CharField(max_length=10)
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class Model2C(Model2B):
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field3 = models.CharField(max_length=10)
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class Model2D(Model2C):
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field4 = models.CharField(max_length=10)
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class ModelExtraA(ShowFieldTypeAndContent, PolymorphicModel):
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field1 = models.CharField(max_length=10)
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class ModelExtraB(ModelExtraA):
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field2 = models.CharField(max_length=10)
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class ModelExtraC(ModelExtraB):
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field3 = models.CharField(max_length=10)
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class ModelExtraExternal(models.Model):
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topic = models.CharField(max_length=10)
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class ModelShow1(ShowFieldType,PolymorphicModel):
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field1 = models.CharField(max_length=10)
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m2m = models.ManyToManyField('self')
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class ModelShow2(ShowFieldContent, PolymorphicModel):
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field1 = models.CharField(max_length=10)
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m2m = models.ManyToManyField('self')
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class ModelShow3(ShowFieldTypeAndContent, PolymorphicModel):
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field1 = models.CharField(max_length=10)
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m2m = models.ManyToManyField('self')
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class ModelShow1_plain(PolymorphicModel):
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field1 = models.CharField(max_length=10)
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class ModelShow2_plain(ModelShow1_plain):
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field2 = models.CharField(max_length=10)
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class Base(ShowFieldType, PolymorphicModel):
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field_b = models.CharField(max_length=10)
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class ModelX(Base):
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field_x = models.CharField(max_length=10)
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class ModelY(Base):
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field_y = models.CharField(max_length=10)
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class Enhance_Plain(models.Model):
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field_p = models.CharField(max_length=10)
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class Enhance_Base(ShowFieldTypeAndContent, PolymorphicModel):
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field_b = models.CharField(max_length=10)
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class Enhance_Inherit(Enhance_Base, Enhance_Plain):
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field_i = models.CharField(max_length=10)
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class DiamondBase(models.Model):
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field_b = models.CharField(max_length=10)
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class DiamondX(DiamondBase):
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field_x = models.CharField(max_length=10)
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class DiamondY(DiamondBase):
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field_y = models.CharField(max_length=10)
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class DiamondXY(DiamondX, DiamondY):
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pass
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class RelationBase(ShowFieldTypeAndContent, PolymorphicModel):
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field_base = models.CharField(max_length=10)
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fk = models.ForeignKey('self', null=True)
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m2m = models.ManyToManyField('self')
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class RelationA(RelationBase):
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field_a = models.CharField(max_length=10)
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class RelationB(RelationBase):
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field_b = models.CharField(max_length=10)
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class RelationBC(RelationB):
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field_c = models.CharField(max_length=10)
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class RelatingModel(models.Model):
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many2many = models.ManyToManyField(Model2A)
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class One2OneRelatingModel(PolymorphicModel):
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one2one = models.OneToOneField(Model2A)
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field1 = models.CharField(max_length=10)
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class One2OneRelatingModelDerived(One2OneRelatingModel):
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field2 = models.CharField(max_length=10)
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class MyManager(PolymorphicManager):
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def get_query_set(self):
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return super(MyManager, self).get_query_set().order_by('-field1')
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class ModelWithMyManager(ShowFieldTypeAndContent, Model2A):
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objects = MyManager()
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field4 = models.CharField(max_length=10)
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class MROBase1(ShowFieldType, PolymorphicModel):
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objects = MyManager()
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field1 = models.CharField(max_length=10) # needed as MyManager uses it
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class MROBase2(MROBase1):
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pass # Django vanilla inheritance does not inherit MyManager as _default_manager here
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class MROBase3(models.Model):
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objects = PolymorphicManager()
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class MRODerived(MROBase2, MROBase3):
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pass
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class MgrInheritA(models.Model):
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mgrA = models.Manager()
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mgrA2 = models.Manager()
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field1 = models.CharField(max_length=10)
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class MgrInheritB(MgrInheritA):
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mgrB = models.Manager()
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field2 = models.CharField(max_length=10)
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class MgrInheritC(ShowFieldTypeAndContent, MgrInheritB):
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pass
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class BlogBase(ShowFieldTypeAndContent, PolymorphicModel):
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name = models.CharField(max_length=10)
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class BlogA(BlogBase):
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info = models.CharField(max_length=10)
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class BlogB(BlogBase):
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pass
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class BlogEntry(ShowFieldTypeAndContent, PolymorphicModel):
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blog = models.ForeignKey(BlogA)
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text = models.CharField(max_length=10)
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class BlogEntry_limit_choices_to(ShowFieldTypeAndContent, PolymorphicModel):
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blog = models.ForeignKey(BlogBase)
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text = models.CharField(max_length=10)
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class ModelFieldNameTest(ShowFieldType, PolymorphicModel):
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modelfieldnametest = models.CharField(max_length=10)
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class InitTestModel(ShowFieldType, PolymorphicModel):
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bar = models.CharField(max_length=100)
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def __init__(self, *args, **kwargs):
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kwargs['bar'] = self.x()
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super(InitTestModel, self).__init__(*args, **kwargs)
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class InitTestModelSubclass(InitTestModel):
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def x(self):
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return 'XYZ'
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# models from github issue
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class Top(PolymorphicModel):
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name = models.CharField(max_length=50)
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class Middle(Top):
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description = models.TextField()
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class Bottom(Middle):
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author = models.CharField(max_length=50)
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class UUIDProject(ShowFieldTypeAndContent, PolymorphicModel):
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uuid_primary_key = UUIDField(primary_key = True)
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topic = models.CharField(max_length = 30)
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class UUIDArtProject(UUIDProject):
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artist = models.CharField(max_length = 30)
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class UUIDResearchProject(UUIDProject):
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supervisor = models.CharField(max_length = 30)
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class UUIDPlainA(models.Model):
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uuid_primary_key = UUIDField(primary_key = True)
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field1 = models.CharField(max_length=10)
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class UUIDPlainB(UUIDPlainA):
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field2 = models.CharField(max_length=10)
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class UUIDPlainC(UUIDPlainB):
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field3 = models.CharField(max_length=10)
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# base -> proxy -> real models
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class ProxiedBase(ShowFieldTypeAndContent, PolymorphicModel):
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name = models.CharField(max_length=10)
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class ProxyModelBase(ProxiedBase):
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class Meta:
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proxy = True
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class ProxyModelA(ProxyModelBase):
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field1 = models.CharField(max_length=10)
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class ProxyModelB(ProxyModelBase):
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field2 = models.CharField(max_length=10)
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# test bad field name
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#class TestBadFieldModel(ShowFieldType, PolymorphicModel):
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# instance_of = models.CharField(max_length=10)
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# validation error: "polymorphic.relatednameclash: Accessor for field 'polymorphic_ctype' clashes
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# with related field 'ContentType.relatednameclash_set'." (reported by Andrew Ingram)
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# fixed with related_name
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class RelatedNameClash(ShowFieldType, PolymorphicModel):
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ctype = models.ForeignKey(ContentType, null=True, editable=False)
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class PolymorphicTests(TestCase):
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"""
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The test suite
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"""
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def test_diamond_inheritance(self):
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# Django diamond problem
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o1 = DiamondXY.objects.create(field_b='b', field_x='x', field_y='y')
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o2 = DiamondXY.objects.get()
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if o2.field_b != 'b':
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print
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print '# known django model inheritance diamond problem detected'
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print 'DiamondXY fields 1: field_b "{0}", field_x "{1}", field_y "{2}"'.format(o1.field_b, o1.field_x, o1.field_y)
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print 'DiamondXY fields 2: field_b "{0}", field_x "{1}", field_y "{2}"'.format(o2.field_b, o2.field_x, o2.field_y)
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def test_annotate_aggregate_order(self):
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# create a blog of type BlogA
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# create two blog entries in BlogA
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# create some blogs of type BlogB to make the BlogBase table data really polymorphic
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blog = BlogA.objects.create(name='B1', info='i1')
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blog.blogentry_set.create(text='bla')
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BlogEntry.objects.create(blog=blog, text='bla2')
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BlogB.objects.create(name='Bb1')
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BlogB.objects.create(name='Bb2')
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BlogB.objects.create(name='Bb3')
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qs = BlogBase.objects.annotate(entrycount=Count('BlogA___blogentry'))
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self.assertEqual(len(qs), 4)
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for o in qs:
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if o.name == 'B1':
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self.assertEqual(o.entrycount, 2)
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else:
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self.assertEqual(o.entrycount, 0)
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x = BlogBase.objects.aggregate(entrycount=Count('BlogA___blogentry'))
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self.assertEqual(x['entrycount'], 2)
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# create some more blogs for next test
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BlogA.objects.create(name='B2', info='i2')
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BlogA.objects.create(name='B3', info='i3')
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BlogA.objects.create(name='B4', info='i4')
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BlogA.objects.create(name='B5', info='i5')
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# test ordering for field in all entries
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expected = '''
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[ <BlogB: id 4, name (CharField) "Bb3">,
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<BlogB: id 3, name (CharField) "Bb2">,
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<BlogB: id 2, name (CharField) "Bb1">,
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<BlogA: id 8, name (CharField) "B5", info (CharField) "i5">,
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<BlogA: id 7, name (CharField) "B4", info (CharField) "i4">,
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<BlogA: id 6, name (CharField) "B3", info (CharField) "i3">,
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<BlogA: id 5, name (CharField) "B2", info (CharField) "i2">,
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<BlogA: id 1, name (CharField) "B1", info (CharField) "i1"> ]'''
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x = '\n' + repr(BlogBase.objects.order_by('-name'))
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self.assertEqual(x, expected)
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# test ordering for field in one subclass only
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# MySQL and SQLite return this order
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expected1='''
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[ <BlogA: id 8, name (CharField) "B5", info (CharField) "i5">,
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<BlogA: id 7, name (CharField) "B4", info (CharField) "i4">,
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<BlogA: id 6, name (CharField) "B3", info (CharField) "i3">,
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<BlogA: id 5, name (CharField) "B2", info (CharField) "i2">,
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<BlogA: id 1, name (CharField) "B1", info (CharField) "i1">,
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<BlogB: id 2, name (CharField) "Bb1">,
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<BlogB: id 3, name (CharField) "Bb2">,
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<BlogB: id 4, name (CharField) "Bb3"> ]'''
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# PostgreSQL returns this order
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expected2='''
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[ <BlogB: id 2, name (CharField) "Bb1">,
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<BlogB: id 3, name (CharField) "Bb2">,
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<BlogB: id 4, name (CharField) "Bb3">,
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<BlogA: id 8, name (CharField) "B5", info (CharField) "i5">,
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<BlogA: id 7, name (CharField) "B4", info (CharField) "i4">,
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<BlogA: id 6, name (CharField) "B3", info (CharField) "i3">,
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<BlogA: id 5, name (CharField) "B2", info (CharField) "i2">,
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<BlogA: id 1, name (CharField) "B1", info (CharField) "i1"> ]'''
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x = '\n' + repr(BlogBase.objects.order_by('-BlogA___info'))
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self.assertTrue(x == expected1 or x == expected2)
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def test_limit_choices_to(self):
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"""
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this is not really a testcase, as limit_choices_to only affects the Django admin
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"""
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# create a blog of type BlogA
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blog_a = BlogA.objects.create(name='aa', info='aa')
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blog_b = BlogB.objects.create(name='bb')
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# create two blog entries
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entry1 = BlogEntry_limit_choices_to.objects.create(blog=blog_b, text='bla2')
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entry2 = BlogEntry_limit_choices_to.objects.create(blog=blog_b, text='bla2')
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def test_primary_key_custom_field_problem(self):
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"""
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object retrieval problem occuring with some custom primary key fields (UUIDField as test case)
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"""
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UUIDProject.objects.create(topic="John's gathering")
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UUIDArtProject.objects.create(topic="Sculpting with Tim", artist="T. Turner")
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UUIDResearchProject.objects.create(topic="Swallow Aerodynamics", supervisor="Dr. Winter")
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qs = UUIDProject.objects.all()
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ol = list(qs)
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a = qs[0]
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b = qs[1]
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c = qs[2]
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self.assertEqual(len(qs), 3)
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self.assertIsInstance(a.uuid_primary_key, uuid.UUID)
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self.assertIsInstance(a.pk, uuid.UUID)
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res = re.sub(' "(.*?)..", topic',', topic', repr(qs))
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res_exp = """[ <UUIDProject: uuid_primary_key (UUIDField/pk), topic (CharField) "John's gathering">,
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<UUIDArtProject: uuid_primary_key (UUIDField/pk), topic (CharField) "Sculpting with Tim", artist (CharField) "T. Turner">,
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<UUIDResearchProject: uuid_primary_key (UUIDField/pk), topic (CharField) "Swallow Aerodynamics", supervisor (CharField) "Dr. Winter"> ]"""
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self.assertEqual(res, res_exp)
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#if (a.pk!= uuid.UUID or c.pk!= uuid.UUID):
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# print
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# print '# known inconstency with custom primary key field detected (django problem?)'
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a = UUIDPlainA.objects.create(field1='A1')
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b = UUIDPlainB.objects.create(field1='B1', field2='B2')
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c = UUIDPlainC.objects.create(field1='C1', field2='C2', field3='C3')
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qs = UUIDPlainA.objects.all()
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if a.pk!= uuid.UUID or c.pk!= uuid.UUID:
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print
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print '# known type inconstency with custom primary key field detected (django problem?)'
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def create_model2abcd(self):
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"""
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Create the chain of objects of Model2,
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this is reused in various tests.
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"""
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Model2A.objects.create(field1='A1')
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Model2B.objects.create(field1='B1', field2='B2')
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Model2C.objects.create(field1='C1', field2='C2', field3='C3')
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Model2D.objects.create(field1='D1', field2='D2', field3='D3', field4='D4')
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def test_simple_inheritance(self):
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self.create_model2abcd()
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objects = list(Model2A.objects.all())
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self.assertEqual(repr(objects[0]), '<Model2A: id 1, field1 (CharField)>')
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self.assertEqual(repr(objects[1]), '<Model2B: id 2, field1 (CharField), field2 (CharField)>')
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self.assertEqual(repr(objects[2]), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
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self.assertEqual(repr(objects[3]), '<Model2D: id 4, field1 (CharField), field2 (CharField), field3 (CharField), field4 (CharField)>')
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def test_manual_get_real_instance(self):
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self.create_model2abcd()
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o = Model2A.objects.non_polymorphic().get(field1='C1')
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self.assertEqual(repr(o.get_real_instance()), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
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def test_non_polymorphic(self):
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self.create_model2abcd()
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objects = list(Model2A.objects.all().non_polymorphic())
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self.assertEqual(repr(objects[0]), '<Model2A: id 1, field1 (CharField)>')
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self.assertEqual(repr(objects[1]), '<Model2A: id 2, field1 (CharField)>')
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self.assertEqual(repr(objects[2]), '<Model2A: id 3, field1 (CharField)>')
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self.assertEqual(repr(objects[3]), '<Model2A: id 4, field1 (CharField)>')
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def test_get_real_instances(self):
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self.create_model2abcd()
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qs = Model2A.objects.all().non_polymorphic()
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# from queryset
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objects = qs.get_real_instances()
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self.assertEqual(repr(objects[0]), '<Model2A: id 1, field1 (CharField)>')
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self.assertEqual(repr(objects[1]), '<Model2B: id 2, field1 (CharField), field2 (CharField)>')
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self.assertEqual(repr(objects[2]), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
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self.assertEqual(repr(objects[3]), '<Model2D: id 4, field1 (CharField), field2 (CharField), field3 (CharField), field4 (CharField)>')
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# from a manual list
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objects = Model2A.objects.get_real_instances(list(qs))
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self.assertEqual(repr(objects[0]), '<Model2A: id 1, field1 (CharField)>')
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self.assertEqual(repr(objects[1]), '<Model2B: id 2, field1 (CharField), field2 (CharField)>')
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self.assertEqual(repr(objects[2]), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
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self.assertEqual(repr(objects[3]), '<Model2D: id 4, field1 (CharField), field2 (CharField), field3 (CharField), field4 (CharField)>')
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def test_translate_polymorphic_q_object(self):
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self.create_model2abcd()
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q = Model2A.translate_polymorphic_Q_object(Q(instance_of=Model2C))
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objects = Model2A.objects.filter(q)
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self.assertEqual(repr(objects[0]), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
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self.assertEqual(repr(objects[1]), '<Model2D: id 4, field1 (CharField), field2 (CharField), field3 (CharField), field4 (CharField)>')
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def test_base_manager(self):
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def show_base_manager(model):
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return "{0} {1}".format(
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repr(type(model._base_manager)),
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repr(model._base_manager.model)
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)
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self.assertEqual(show_base_manager(PlainA), "<class 'django.db.models.manager.Manager'> <class 'polymorphic.tests.PlainA'>")
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self.assertEqual(show_base_manager(PlainB), "<class 'django.db.models.manager.Manager'> <class 'polymorphic.tests.PlainB'>")
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self.assertEqual(show_base_manager(PlainC), "<class 'django.db.models.manager.Manager'> <class 'polymorphic.tests.PlainC'>")
|
|
self.assertEqual(show_base_manager(Model2A), "<class 'polymorphic.manager.PolymorphicManager'> <class 'polymorphic.tests.Model2A'>")
|
|
self.assertEqual(show_base_manager(Model2B), "<class 'django.db.models.manager.Manager'> <class 'polymorphic.tests.Model2B'>")
|
|
self.assertEqual(show_base_manager(Model2C), "<class 'django.db.models.manager.Manager'> <class 'polymorphic.tests.Model2C'>")
|
|
self.assertEqual(show_base_manager(One2OneRelatingModel), "<class 'polymorphic.manager.PolymorphicManager'> <class 'polymorphic.tests.One2OneRelatingModel'>")
|
|
self.assertEqual(show_base_manager(One2OneRelatingModelDerived), "<class 'django.db.models.manager.Manager'> <class 'polymorphic.tests.One2OneRelatingModelDerived'>")
|
|
|
|
|
|
def test_foreignkey_field(self):
|
|
self.create_model2abcd()
|
|
|
|
object2a = Model2A.base_objects.get(field1='C1')
|
|
self.assertEqual(repr(object2a.model2b), '<Model2B: id 3, field1 (CharField), field2 (CharField)>')
|
|
|
|
object2b = Model2B.base_objects.get(field1='C1')
|
|
self.assertEqual(repr(object2b.model2c), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
|
|
|
|
|
|
def test_onetoone_field(self):
|
|
self.create_model2abcd()
|
|
|
|
a = Model2A.base_objects.get(field1='C1')
|
|
b = One2OneRelatingModelDerived.objects.create(one2one=a, field1='f1', field2='f2')
|
|
|
|
# this result is basically wrong, probably due to Django cacheing (we used base_objects), but should not be a problem
|
|
self.assertEqual(repr(b.one2one), '<Model2A: id 3, field1 (CharField)>')
|
|
|
|
c = One2OneRelatingModelDerived.objects.get(field1='f1')
|
|
self.assertEqual(repr(c.one2one), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
|
|
self.assertEqual(repr(a.one2onerelatingmodel), '<One2OneRelatingModelDerived: One2OneRelatingModelDerived object>')
|
|
|
|
|
|
def test_manytomany_field(self):
|
|
# Model 1
|
|
o = ModelShow1.objects.create(field1='abc')
|
|
o.m2m.add(o)
|
|
o.save()
|
|
self.assertEqual(repr(ModelShow1.objects.all()), '[ <ModelShow1: id 1, field1 (CharField), m2m (ManyToManyField)> ]')
|
|
|
|
# Model 2
|
|
o = ModelShow2.objects.create(field1='abc')
|
|
o.m2m.add(o)
|
|
o.save()
|
|
self.assertEqual(repr(ModelShow2.objects.all()), '[ <ModelShow2: id 1, field1 "abc", m2m 1> ]')
|
|
|
|
# Model 3
|
|
o=ModelShow3.objects.create(field1='abc')
|
|
o.m2m.add(o)
|
|
o.save()
|
|
self.assertEqual(repr(ModelShow3.objects.all()), '[ <ModelShow3: id 1, field1 (CharField) "abc", m2m (ManyToManyField) 1> ]')
|
|
self.assertEqual(repr(ModelShow1.objects.all().annotate(Count('m2m'))), '[ <ModelShow1: id 1, field1 (CharField), m2m (ManyToManyField) - Ann: m2m__count (int)> ]')
|
|
self.assertEqual(repr(ModelShow2.objects.all().annotate(Count('m2m'))), '[ <ModelShow2: id 1, field1 "abc", m2m 1 - Ann: m2m__count 1> ]')
|
|
self.assertEqual(repr(ModelShow3.objects.all().annotate(Count('m2m'))), '[ <ModelShow3: id 1, field1 (CharField) "abc", m2m (ManyToManyField) 1 - Ann: m2m__count (int) 1> ]')
|
|
|
|
# no pretty printing
|
|
ModelShow1_plain.objects.create(field1='abc')
|
|
ModelShow2_plain.objects.create(field1='abc', field2='def')
|
|
self.assertEqual(repr(ModelShow1_plain.objects.all()), '[<ModelShow1_plain: ModelShow1_plain object>, <ModelShow2_plain: ModelShow2_plain object>]')
|
|
|
|
|
|
def test_extra_method(self):
|
|
self.create_model2abcd()
|
|
|
|
objects = list(Model2A.objects.extra(where=['id IN (2, 3)']))
|
|
self.assertEqual(repr(objects[0]), '<Model2B: id 2, field1 (CharField), field2 (CharField)>')
|
|
self.assertEqual(repr(objects[1]), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
|
|
|
|
objects = Model2A.objects.extra(select={"select_test": "field1 = 'A1'"}, where=["field1 = 'A1' OR field1 = 'B1'"], order_by=['-id'])
|
|
self.assertEqual(repr(objects[0]), '<Model2B: id 2, field1 (CharField), field2 (CharField) - Extra: select_test (int)>')
|
|
self.assertEqual(repr(objects[1]), '<Model2A: id 1, field1 (CharField) - Extra: select_test (int)>')
|
|
self.assertEqual(len(objects), 2) # Placed after the other tests, only verifying whether there are no more additional objects.
|
|
|
|
ModelExtraA.objects.create(field1='A1')
|
|
ModelExtraB.objects.create(field1='B1', field2='B2')
|
|
ModelExtraC.objects.create(field1='C1', field2='C2', field3='C3')
|
|
ModelExtraExternal.objects.create(topic='extra1')
|
|
ModelExtraExternal.objects.create(topic='extra2')
|
|
ModelExtraExternal.objects.create(topic='extra3')
|
|
objects = ModelExtraA.objects.extra(tables=["polymorphic_modelextraexternal"], select={"topic":"polymorphic_modelextraexternal.topic"}, where=["polymorphic_modelextraa.id = polymorphic_modelextraexternal.id"])
|
|
self.assertEqual(repr(objects[0]), '<ModelExtraA: id 1, field1 (CharField) "A1" - Extra: topic (unicode) "extra1">')
|
|
self.assertEqual(repr(objects[1]), '<ModelExtraB: id 2, field1 (CharField) "B1", field2 (CharField) "B2" - Extra: topic (unicode) "extra2">')
|
|
self.assertEqual(repr(objects[2]), '<ModelExtraC: id 3, field1 (CharField) "C1", field2 (CharField) "C2", field3 (CharField) "C3" - Extra: topic (unicode) "extra3">')
|
|
self.assertEqual(len(objects), 3)
|
|
|
|
|
|
def test_instance_of_filter(self):
|
|
self.create_model2abcd()
|
|
|
|
objects = Model2A.objects.instance_of(Model2B)
|
|
self.assertEqual(repr(objects[0]), '<Model2B: id 2, field1 (CharField), field2 (CharField)>')
|
|
self.assertEqual(repr(objects[1]), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
|
|
self.assertEqual(repr(objects[2]), '<Model2D: id 4, field1 (CharField), field2 (CharField), field3 (CharField), field4 (CharField)>')
|
|
self.assertEqual(len(objects), 3)
|
|
|
|
objects = Model2A.objects.filter(instance_of=Model2B)
|
|
self.assertEqual(repr(objects[0]), '<Model2B: id 2, field1 (CharField), field2 (CharField)>')
|
|
self.assertEqual(repr(objects[1]), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
|
|
self.assertEqual(repr(objects[2]), '<Model2D: id 4, field1 (CharField), field2 (CharField), field3 (CharField), field4 (CharField)>')
|
|
self.assertEqual(len(objects), 3)
|
|
|
|
objects = Model2A.objects.filter(Q(instance_of=Model2B))
|
|
self.assertEqual(repr(objects[0]), '<Model2B: id 2, field1 (CharField), field2 (CharField)>')
|
|
self.assertEqual(repr(objects[1]), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
|
|
self.assertEqual(repr(objects[2]), '<Model2D: id 4, field1 (CharField), field2 (CharField), field3 (CharField), field4 (CharField)>')
|
|
self.assertEqual(len(objects), 3)
|
|
|
|
objects = Model2A.objects.not_instance_of(Model2B)
|
|
self.assertEqual(repr(objects[0]), '<Model2A: id 1, field1 (CharField)>')
|
|
self.assertEqual(len(objects), 1)
|
|
|
|
|
|
def test_polymorphic___filter(self):
|
|
self.create_model2abcd()
|
|
|
|
objects = Model2A.objects.filter(Q( Model2B___field2='B2') | Q( Model2C___field3='C3'))
|
|
self.assertEqual(len(objects), 2)
|
|
self.assertEqual(repr(objects[0]), '<Model2B: id 2, field1 (CharField), field2 (CharField)>')
|
|
self.assertEqual(repr(objects[1]), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
|
|
|
|
|
|
def test_delete(self):
|
|
self.create_model2abcd()
|
|
|
|
oa = Model2A.objects.get(id=2)
|
|
self.assertEqual(repr(oa), '<Model2B: id 2, field1 (CharField), field2 (CharField)>')
|
|
self.assertEqual(Model2A.objects.count(), 4)
|
|
|
|
oa.delete()
|
|
objects = Model2A.objects.all()
|
|
self.assertEqual(repr(objects[0]), '<Model2A: id 1, field1 (CharField)>')
|
|
self.assertEqual(repr(objects[1]), '<Model2C: id 3, field1 (CharField), field2 (CharField), field3 (CharField)>')
|
|
self.assertEqual(repr(objects[2]), '<Model2D: id 4, field1 (CharField), field2 (CharField), field3 (CharField), field4 (CharField)>')
|
|
self.assertEqual(len(objects), 3)
|
|
|
|
|
|
def test_combine_querysets(self):
|
|
ModelX.objects.create(field_x='x')
|
|
ModelY.objects.create(field_y='y')
|
|
|
|
qs = Base.objects.instance_of(ModelX) | Base.objects.instance_of(ModelY)
|
|
self.assertEqual(repr(qs[0]), '<ModelX: id 1, field_b (CharField), field_x (CharField)>')
|
|
self.assertEqual(repr(qs[1]), '<ModelY: id 2, field_b (CharField), field_y (CharField)>')
|
|
self.assertEqual(len(qs), 2)
|
|
|
|
|
|
def test_multiple_inheritance(self):
|
|
# multiple inheritance, subclassing third party models (mix PolymorphicModel with models.Model)
|
|
|
|
Enhance_Base.objects.create(field_b='b-base')
|
|
Enhance_Inherit.objects.create(field_b='b-inherit', field_p='p', field_i='i')
|
|
|
|
qs = Enhance_Base.objects.all()
|
|
self.assertEqual(repr(qs[0]), '<Enhance_Base: id 1, field_b (CharField) "b-base">')
|
|
self.assertEqual(repr(qs[1]), '<Enhance_Inherit: id 2, field_b (CharField) "b-inherit", field_p (CharField) "p", field_i (CharField) "i">')
|
|
self.assertEqual(len(qs), 2)
|
|
|
|
|
|
def test_relation_base(self):
|
|
# ForeignKey, ManyToManyField
|
|
obase = RelationBase.objects.create(field_base='base')
|
|
oa = RelationA.objects.create(field_base='A1', field_a='A2', fk=obase)
|
|
ob = RelationB.objects.create(field_base='B1', field_b='B2', fk=oa)
|
|
oc = RelationBC.objects.create(field_base='C1', field_b='C2', field_c='C3', fk=oa)
|
|
oa.m2m.add(oa)
|
|
oa.m2m.add(ob)
|
|
|
|
objects = RelationBase.objects.all()
|
|
self.assertEqual(repr(objects[0]), '<RelationBase: id 1, field_base (CharField) "base", fk (ForeignKey) None, m2m (ManyToManyField) 0>')
|
|
self.assertEqual(repr(objects[1]), '<RelationA: id 2, field_base (CharField) "A1", fk (ForeignKey) RelationBase, field_a (CharField) "A2", m2m (ManyToManyField) 2>')
|
|
self.assertEqual(repr(objects[2]), '<RelationB: id 3, field_base (CharField) "B1", fk (ForeignKey) RelationA, field_b (CharField) "B2", m2m (ManyToManyField) 1>')
|
|
self.assertEqual(repr(objects[3]), '<RelationBC: id 4, field_base (CharField) "C1", fk (ForeignKey) RelationA, field_b (CharField) "C2", field_c (CharField) "C3", m2m (ManyToManyField) 0>')
|
|
self.assertEqual(len(objects), 4)
|
|
|
|
oa = RelationBase.objects.get(id=2)
|
|
self.assertEqual(repr(oa.fk), '<RelationBase: id 1, field_base (CharField) "base", fk (ForeignKey) None, m2m (ManyToManyField) 0>')
|
|
|
|
objects = oa.relationbase_set.all()
|
|
self.assertEqual(repr(objects[0]), '<RelationB: id 3, field_base (CharField) "B1", fk (ForeignKey) RelationA, field_b (CharField) "B2", m2m (ManyToManyField) 1>')
|
|
self.assertEqual(repr(objects[1]), '<RelationBC: id 4, field_base (CharField) "C1", fk (ForeignKey) RelationA, field_b (CharField) "C2", field_c (CharField) "C3", m2m (ManyToManyField) 0>')
|
|
self.assertEqual(len(objects), 2)
|
|
|
|
ob = RelationBase.objects.get(id=3)
|
|
self.assertEqual(repr(ob.fk), '<RelationA: id 2, field_base (CharField) "A1", fk (ForeignKey) RelationBase, field_a (CharField) "A2", m2m (ManyToManyField) 2>')
|
|
|
|
oa = RelationA.objects.get()
|
|
objects = oa.m2m.all()
|
|
self.assertEqual(repr(objects[0]), '<RelationA: id 2, field_base (CharField) "A1", fk (ForeignKey) RelationBase, field_a (CharField) "A2", m2m (ManyToManyField) 2>')
|
|
self.assertEqual(repr(objects[1]), '<RelationB: id 3, field_base (CharField) "B1", fk (ForeignKey) RelationA, field_b (CharField) "B2", m2m (ManyToManyField) 1>')
|
|
self.assertEqual(len(objects), 2)
|
|
|
|
|
|
def test_user_defined_manager(self):
|
|
self.create_model2abcd()
|
|
ModelWithMyManager.objects.create(field1='D1a', field4='D4a')
|
|
ModelWithMyManager.objects.create(field1='D1b', field4='D4b')
|
|
|
|
objects = ModelWithMyManager.objects.all()
|
|
self.assertEqual(repr(objects[0]), '<ModelWithMyManager: id 6, field1 (CharField) "D1b", field4 (CharField) "D4b">')
|
|
self.assertEqual(repr(objects[1]), '<ModelWithMyManager: id 5, field1 (CharField) "D1a", field4 (CharField) "D4a">')
|
|
self.assertEqual(len(objects), 2)
|
|
|
|
self.assertEqual(repr(type(ModelWithMyManager.objects)), "<class 'polymorphic.tests.MyManager'>")
|
|
self.assertEqual(repr(type(ModelWithMyManager._default_manager)), "<class 'polymorphic.manager.PolymorphicManager'>")
|
|
|
|
|
|
def test_manager_inheritance(self):
|
|
self.assertEqual(repr(type(MRODerived.objects)), "<class 'polymorphic.tests.MyManager'>") # MRO
|
|
|
|
# check for correct default manager
|
|
self.assertEqual(repr(type(MROBase1._default_manager)), "<class 'polymorphic.manager.PolymorphicManager'>")
|
|
|
|
# Django vanilla inheritance does not inherit MyManager as _default_manager here
|
|
self.assertEqual(repr(type(MROBase2._default_manager)), "<class 'polymorphic.manager.PolymorphicManager'>")
|
|
|
|
|
|
def test_proxy_model_inheritance(self):
|
|
"""
|
|
Polymorphic abilities should also work when the base model is a proxy object.
|
|
"""
|
|
# The managers should point to the proper objects.
|
|
# otherwise, the whole excersise is pointless.
|
|
self.assertEqual(ProxiedBase.objects.model, ProxiedBase)
|
|
self.assertEqual(ProxyModelBase.objects.model, ProxyModelBase)
|
|
self.assertEqual(ProxyModelA.objects.model, ProxyModelA)
|
|
self.assertEqual(ProxyModelB.objects.model, ProxyModelB)
|
|
|
|
# Create objects
|
|
ProxyModelA.objects.create(name="object1")
|
|
ProxyModelB.objects.create(name="object2", field2="bb")
|
|
|
|
# Getting single objects
|
|
object1 = ProxyModelBase.objects.get(name='object1')
|
|
object2 = ProxyModelBase.objects.get(name='object2')
|
|
self.assertEqual(repr(object1), '<ProxyModelA: id 1, name (CharField) "object1", field1 (CharField) "">')
|
|
self.assertEqual(repr(object2), '<ProxyModelB: id 2, name (CharField) "object2", field2 (CharField) "bb">')
|
|
self.assertIsInstance(object1, ProxyModelA)
|
|
self.assertIsInstance(object2, ProxyModelB)
|
|
|
|
# Same for lists
|
|
objects = list(ProxyModelBase.objects.all().order_by('name'))
|
|
self.assertEqual(repr(objects[0]), '<ProxyModelA: id 1, name (CharField) "object1", field1 (CharField) "">')
|
|
self.assertEqual(repr(objects[1]), '<ProxyModelB: id 2, name (CharField) "object2", field2 (CharField) "bb">')
|
|
self.assertIsInstance(objects[0], ProxyModelA)
|
|
self.assertIsInstance(objects[1], ProxyModelB)
|
|
|
|
|
|
def test_fix_getattribute(self):
|
|
### fixed issue in PolymorphicModel.__getattribute__: field name same as model name
|
|
o = ModelFieldNameTest.objects.create(modelfieldnametest='1')
|
|
self.assertEqual(repr(o), '<ModelFieldNameTest: id 1, modelfieldnametest (CharField)>')
|
|
|
|
# if subclass defined __init__ and accessed class members,
|
|
# __getattribute__ had a problem: "...has no attribute 'sub_and_superclass_dict'"
|
|
o = InitTestModelSubclass.objects.create()
|
|
self.assertEqual(o.bar, 'XYZ')
|
|
|
|
|
|
class RegressionTests(TestCase):
|
|
|
|
def test_for_query_result_incomplete_with_inheritance(self):
|
|
""" https://github.com/bconstantin/django_polymorphic/issues/15 """
|
|
|
|
top = Top()
|
|
top.save()
|
|
middle = Middle()
|
|
middle.save()
|
|
bottom = Bottom()
|
|
bottom.save()
|
|
|
|
expected_queryset = [top, middle, bottom]
|
|
self.assertQuerysetEqual(Top.objects.all(), [repr(r) for r in expected_queryset])
|
|
|
|
expected_queryset = [middle, bottom]
|
|
self.assertQuerysetEqual(Middle.objects.all(), [repr(r) for r in expected_queryset])
|
|
|
|
expected_queryset = [bottom]
|
|
self.assertQuerysetEqual(Bottom.objects.all(), [repr(r) for r in expected_queryset])
|
|
|