From d9633c6817e4c4a3085398c8a52293011670ef46 Mon Sep 17 00:00:00 2001
From: Piotr Jakimiak
Date: Fri, 5 Sep 2014 11:08:34 +0200
Subject: Fix returning None when allow_none is True in CharField

---
 tests/test_fields.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'tests')

diff --git a/tests/test_fields.py b/tests/test_fields.py
index 094ac1eb..b8c9954e 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -54,6 +54,10 @@ class ChoiceFieldModel(models.Model):
     choice = models.CharField(choices=SAMPLE_CHOICES, blank=True, max_length=255)
 
 
+class NullableCharFieldModel(models.Model):
+    char = models.CharField(null=True, blank=True, max_length=4)
+
+
 class ChoiceFieldModelSerializer(serializers.ModelSerializer):
     class Meta:
         model = ChoiceFieldModel
@@ -1004,6 +1008,20 @@ class BooleanField(TestCase):
         self.assertFalse(BooleanRequiredSerializer(data={}).is_valid())
 
 
+class ModelCharField(TestCase):
+    """
+        Tests for CharField
+    """
+    def test_none_serializing(self):
+        class CharFieldSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = NullableCharFieldModel
+        serializer = CharFieldSerializer(data={'char': None})
+        self.assertTrue(serializer.fields['char'].allow_none)
+        self.assertTrue(serializer.is_valid())
+        self.assertIsNone(serializer.data['char'])
+
+
 class SerializerMethodFieldTest(TestCase):
     """
         Tests for the SerializerMethodField field_to_native() behavior
-- 
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