def test_get_prep_value_filled(self):
field = DictAsJsonField()
result = field.get_prep_value({'a': 'b'})
self.assertEqual(result, u'{"a": "b"}')
def test_get_prep_value_filled(self):
field = DictAsJsonField()
result = field.get_prep_value({'a': 'b'})
assert result == u'{"a": "b"}'
def test_get_prep_value_empty(self):
field = DictAsJsonField()
result = field.get_prep_value(None)
self.assertEqual(result, None)
def test_get_prep_value_empty(self):
field = DictAsJsonField()
result = field.get_prep_value(None)
assert result is None