From 9ebaabd6eb31e18cf0bb1c70893f719f18ecb0f9 Mon Sep 17 00:00:00 2001
From: Tom Christie
Date: Tue, 28 Oct 2014 16:21:49 +0000
Subject: unique_for_date/unique_for_month/unique_for_year

---
 tests/test_fields.py | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'tests/test_fields.py')

diff --git a/tests/test_fields.py b/tests/test_fields.py
index 6dc5f87d..3e102ab5 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -215,6 +215,33 @@ class TestBooleanHTMLInput:
         assert serializer.validated_data == {'archived': False}
 
 
+class TestCreateOnlyDefault:
+    def setup(self):
+        default = serializers.CreateOnlyDefault('2001-01-01')
+
+        class TestSerializer(serializers.Serializer):
+            published = serializers.HiddenField(default=default)
+            text = serializers.CharField()
+        self.Serializer = TestSerializer
+
+    def test_create_only_default_is_provided(self):
+        serializer = self.Serializer(data={'text': 'example'})
+        assert serializer.is_valid()
+        assert serializer.validated_data == {
+            'text': 'example', 'published': '2001-01-01'
+        }
+
+    def test_create_only_default_is_not_provided_on_update(self):
+        instance = {
+            'text': 'example', 'published': '2001-01-01'
+        }
+        serializer = self.Serializer(instance, data={'text': 'example'})
+        assert serializer.is_valid()
+        assert serializer.validated_data == {
+            'text': 'example',
+        }
+
+
 # Tests for field input and output values.
 # ----------------------------------------
 
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