from django.test import TestCase from models import Category, Person class ManyToOneRecursiveTests(TestCase): def setUp(self): self.r = Category(id=None, name='Root category', parent=None) self.r.save() self.c = Category(id=None, name='Child category', parent=self.r) self.c.save() def test_m2o_recursive(self): self.assertQuerysetEqual(self.r.child_set.all(), ['']) self.assertEqual(self.r.child_set.get(name__startswith='Child').id, self.c.id) self.assertEqual(self.r.parent, None) self.assertQuerysetEqual(self.c.child_set.all(), []) self.assertEqual(self.c.parent.id, self.r.id) class MultipleManyToOneRecursiveTests(TestCase): def setUp(self): self.dad = Person(full_name='John Smith Senior', mother=None, father=None) self.dad.save() self.mom = Person(full_name='Jane Smith', mother=None, father=None) self.mom.save() self.kid = Person(full_name='John Smith Junior', mother=self.mom, father=self.dad) self.kid.save() def test_m2o_recursive2(self): self.assertEqual(self.kid.mother.id, self.mom.id) self.assertEqual(self.kid.father.id, self.dad.id) self.assertQuerysetEqual(self.dad.fathers_child_set.all(), ['']) self.assertQuerysetEqual(self.mom.mothers_child_set.all(), ['']) self.assertQuerysetEqual(self.kid.mothers_child_set.all(), []) self.assertQuerysetEqual(self.kid.fathers_child_set.all(), [])