Map TextField max_length to CharField

Author: jpadilla

rest_framework/utils/field_mapping.py

@@ -123,7 +123,8 @@ def get_field_kwargs(field_name, model_field):
  # Ensure that max_length is passed explicitly as a keyword arg,
  # rather than as a validator.
  max_length = getattr(model_field, 'max_length', None)
- if max_length is not None and isinstance(model_field, models.CharField):
+ if max_length is not None and (isinstance(model_field, models.CharField) or
+ isinstance(model_field, models.TextField)):
  kwargs['max_length'] = max_length
  validator_kwarg = [
  validator for validator in validator_kwarg

tests/test_model_serializer.py

@@ -63,7 +63,7 @@ class RegularFieldsModel(models.Model):
  positive_small_integer_field = models.PositiveSmallIntegerField()
  slug_field = models.SlugField(max_length=100)
  small_integer_field = models.SmallIntegerField()
- text_field = models.TextField()
+ text_field = models.TextField(max_length=100)
  time_field = models.TimeField()
  url_field = models.URLField(max_length=100)
  custom_field = CustomField()
@@ -161,11 +161,12 @@ class Meta:
  positive_small_integer_field = IntegerField()
  slug_field = SlugField(max_length=100)
  small_integer_field = IntegerField()
- text_field = CharField(style={'base_template': 'textarea.html'})
+ text_field = CharField(max_length=100, style={'base_template': 'textarea.html'})
  time_field = TimeField()
  url_field = URLField(max_length=100)
  custom_field = ModelField(model_field=<tests.test_model_serializer.CustomField: custom_field>)
  """)
+
  self.assertEqual(unicode_repr(TestSerializer()), expected)
 
  def test_field_options(self):