Merge pull request #3509 from jpadilla/textfield-max-length

Map TextField max_length to CharField

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 TestRegularFieldMappings(TestCase):
                 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):