From 5d380eca2efccd62c5d3e77ad03545f52cee2bff Mon Sep 17 00:00:00 2001
From: Kevin Brown <kevin@kevin-brown.com>
Date: Tue, 7 Jan 2020 19:46:51 -0500
Subject: [PATCH] Add test for BooleanField(null=True, choices)

---
 tests/test_model_serializer.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/tests/test_model_serializer.py b/tests/test_model_serializer.py
index fbb562792..d1d719b68 100644
--- a/tests/test_model_serializer.py
+++ b/tests/test_model_serializer.py
@@ -235,6 +235,27 @@ class TestRegularFieldMappings(TestCase):
 
         self.assertEqual(repr(NullableBooleanSerializer()), expected)
 
+    def test_nullable_boolean_field_choices(self):
+        class NullableBooleanChoicesModel(models.Model):
+            CHECKLIST_OPTIONS = (
+                (None, 'Unknown'),
+                (True, 'Yes'),
+                (False, 'No'),
+            )
+
+            field = models.BooleanField(null=True, choices=CHECKLIST_OPTIONS)
+
+        class NullableBooleanChoicesSerializer(serializers.ModelSerializer):
+            class Meta:
+                model = NullableBooleanChoicesModel
+                fields = ['field']
+
+        serializer = NullableBooleanChoicesSerializer(data=dict(
+            field=None,
+        ))
+        self.assertTrue(serializer.is_valid())
+        self.assertEqual(serializer.errors, {})
+
     def test_method_field(self):
         """
         Properties and methods on the model should be allowed as `Meta.fields`