def test_change_parent_go_up_one_level(self):
a = TextLabelFactory()
b = TextLabelFactory(parent=a)
c = TextLabelFactory(parent=b)
c.parent = a
c.save()
self.assertEqual(c.parent, a)
self.assertEqual(c.order, 1)
b.refresh_from_db()
self.assertEqual(b.order, 2)
def test_change_parent_go_root_recompute_child(self):
root = TextLabelFactory()
child_1 = TextLabelFactory(parent=root)
child_2 = TextLabelFactory(parent=root)
child_1.parent = None
child_1.save()
root.refresh_from_db()
child_2.refresh_from_db()
self.assertEqual(root.parent, None)
self.assertEqual(root.order, 2)
self.assertEqual(child_1.parent, None)
self.assertEqual(child_1.order, 1)
self.assertEqual(child_2.parent, root)
self.assertEqual(child_2.order, 1)
def test_circular_dependency(self):
a = TextLabelFactory()
b = TextLabelFactory(parent=a)
c = TextLabelFactory(parent=b)
b.parent = c
with self.assertRaises(ValueError):
return b.save()
class TextLabelComplexeStructureTest(TestCase):
@classmethod
def setUpTestData(cls):
cls.A = TextLabelFactory(order=1)
cls.C = TextLabelFactory(parent=cls.A, order=2)
cls.E = TextLabelFactory(parent=cls.C, order=1)
cls.F = TextLabelFactory(parent=cls.C, order=2)
cls.G = TextLabelFactory(parent=cls.C, order=3)
def setUp(self):
self.B = TextLabelFactory(parent=self.A, order=1)
self.D = TextLabelFactory(parent=self.B, order=1)
def test_move_to_root_structure(self):
self.B.parent = None
self.B.save()
self.A.refresh_from_db()
self.C.refresh_from_db()
self.assertEqual(self.B.parent, None)
self.assertEqual(self.B.order, 1) #Root level
self.assertEqual(self.A.order, 2) #Root level
self.assertEqual(self.C.order, 1)
def test_change_order_second_level(self):
self.B.order = 4 #not exist
self.B.save()
self.C.refresh_from_db()
self.assertEqual(self.B.order, 2) #Inversion
self.assertEqual(self.C.order, 1) #Inversion
def test_change_on_same_level_no_change_as_result(self):
self.E.order = 2
self.E.save()
self.F.refresh_from_db()
self.G.refresh_from_db()
# No change because we have reorder value
self.assertEqual(self.E.order, 1)
self.assertEqual(self.F.order, 2)
self.assertEqual(self.G.order, 3)