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Merge pull request #683 from dbrgn/serializer_exception_msg
Improved exception message for missing serializer model meta option
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commit
d59ed64915
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@ -424,6 +424,8 @@ class ModelSerializer(Serializer):
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"""
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cls = self.opts.model
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assert cls is not None, \
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"Serializer class '%s' is missing 'model' Meta option" % self.__class__.__name__
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opts = get_concrete_model(cls)._meta
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pk_field = opts.pk
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# while pk_field.rel:
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@ -91,6 +91,11 @@ class PositiveIntegerAsChoiceSerializer(serializers.ModelSerializer):
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fields = ['some_integer']
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class BrokenModelSerializer(serializers.ModelSerializer):
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class Meta:
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fields = ['some_field']
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class BasicTests(TestCase):
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def setUp(self):
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self.comment = Comment(
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@ -353,6 +358,18 @@ class ValidationTests(TestCase):
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self.assertIn('created', serializer.errors)
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def test_missing_model_field_exception_msg(self):
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"""
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Assert that a meaningful exception message is outputted when the model
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field is missing (e.g. when mistyping ``model``).
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"""
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try:
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serializer = BrokenModelSerializer()
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except AssertionError as e:
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self.assertEquals(e.args[0], "Serializer class 'BrokenModelSerializer' is missing 'model' Meta option")
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except:
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self.fail('Wrong exception type thrown.')
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class CustomValidationTests(TestCase):
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class CommentSerializerWithFieldValidator(CommentSerializer):
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