41 lines
1.5 KiB
Python
41 lines
1.5 KiB
Python
from unittest import TestCase
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from polymorphic.models import PolymorphicTypeUndefined
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from polymorphic.tests import Model2A, Model2B, Model2C, Model2D
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from polymorphic.tests.test_orm import qrepr
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from polymorphic.utils import sort_by_subclass, reset_polymorphic_ctype
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class UtilsTests(TestCase):
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def test_sort_by_subclass(self):
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self.assertEqual(
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sort_by_subclass(Model2D, Model2B, Model2D, Model2A, Model2C),
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[Model2A, Model2B, Model2C, Model2D, Model2D]
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)
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def test_reset_polymorphic_ctype(self):
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"""
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Test the the polymorphic_ctype_id can be restored.
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"""
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Model2A.objects.create(field1='A1')
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Model2D.objects.create(field1='A1', field2='B2', field3='C3', field4='D4')
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Model2B.objects.create(field1='A1', field2='B2')
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Model2B.objects.create(field1='A1', field2='B2')
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Model2A.objects.all().update(polymorphic_ctype_id=None)
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with self.assertRaises(PolymorphicTypeUndefined):
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list(Model2A.objects.all())
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reset_polymorphic_ctype(Model2D, Model2B, Model2D, Model2A, Model2C)
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field_reprs = [
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"<Model2A: id 1, field1 (CharField)>",
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"<Model2D: id 2, field1 (CharField), field2 (CharField), field3 (CharField), field4 (CharField)>",
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"<Model2B: id 3, field1 (CharField), field2 (CharField)>",
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"<Model2B: id 4, field1 (CharField), field2 (CharField)>",
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]
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for f, f_repr in zip(Model2A.objects.order_by("pk"), field_reprs):
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self.assertEqual(qrepr(f), f_repr)
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