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[2.2.x] Fixed #30931 -- Restored ability to override Model.get_FIELD_display().

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Thanks Sergey Fedoseev for the implementation idea.

Regression in a68ea23101.

Backport of 2d38eb0ab9 from master
This commit is contained in:
Carlton Gibson 2019-10-31 11:34:56 +01:00 • committed by Mariusz Felisiak
parent eb8a53c7c1
commit 785d1706c4
3 changed files with 19 additions and 2 deletions
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10
tests/model_fields/tests.py
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@ -114,6 +114,16 @@ class ChoicesTests(SimpleTestCase):
self.assertIsNone(Whiz(c=None).get_c_display()) # Blank value
self.assertEqual(Whiz(c='').get_c_display(), '') # Empty value
def test_overriding_FIELD_display(self):
class FooBar(models.Model):
foo_bar = models.IntegerField(choices=[(1, 'foo'), (2, 'bar')])
def get_foo_bar_display(self):
return 'something'
f = FooBar(foo_bar=1)
self.assertEqual(f.get_foo_bar_display(), 'something')
def test_iterator_choices(self):
"""
get_choices() works with Iterators.