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Abstract inheritance test; illustrates #100

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Matthew Tretter 2012-02-17 20:45:29 -05:00
parent 310fd86c21
commit 35b04aeb16
1 changed files with 26 additions and 0 deletions
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26
tests/core/tests.py
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@ -60,6 +60,22 @@ class Photo(models.Model):
format='JPEG', options={'quality': 90})
class AbstractImageModel(models.Model):
original_image = models.ImageField(upload_to='photos')
abstract_class_spec = ImageSpecField()
class Meta:
abstract = True
class ConcreteImageModel1(AbstractImageModel):
first_spec = ImageSpecField()
class ConcreteImageModel2(AbstractImageModel):
second_spec = ImageSpecField()
class IKTest(TestCase):
def generate_image(self):
tmp = tempfile.TemporaryFile()
@ -129,3 +145,13 @@ class PickleTest(TestCase):
# This isn't supposed to error.
unpickled_model.thumbnail.source_file
class InheritanceTest(TestCase):
def test_abstract_base(self):
self.assertEqual(set(AbstractImageModel._ik.spec_fields),
set(['abstract_class_spec']))
self.assertEqual(set(ConcreteImageModel1._ik.spec_fields),
set(['abstract_class_spec', 'first_spec']))
self.assertEqual(set(ConcreteImageModel2._ik.spec_fields),
set(['abstract_class_spec', 'second_spec']))