From 87ac64e41b60a26e6711648b9935c70dc35738a8 Mon Sep 17 00:00:00 2001
From: Tom Christie
Date: Thu, 18 Dec 2014 10:36:52 +0000
Subject: Fixes for behavior with empty HTML fields.

---
 tests/test_fields.py | 48 ++++++++++++++++++++++++++++++++++++------------
 1 file changed, 36 insertions(+), 12 deletions(-)

(limited to 'tests')

diff --git a/tests/test_fields.py b/tests/test_fields.py
index 7f7af5cc..2888df83 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -215,25 +215,49 @@ class TestBooleanHTMLInput:
         assert serializer.validated_data == {'archived': False}
 
 
+class MockHTMLDict(dict):
+    """
+    This class mocks up a dictionary like object, that behaves
+    as if it was returned for multipart or urlencoded data.
+    """
+    getlist = None
+
+
 class TestCharHTMLInput:
-    def setup(self):
+    def test_empty_html_checkbox(self):
         class TestSerializer(serializers.Serializer):
             message = serializers.CharField(default='happy')
-        self.Serializer = TestSerializer
 
-    def test_empty_html_checkbox(self):
-        """
-        HTML checkboxes do not send any value, but should be treated
-        as `False` by BooleanField.
-        """
-        # This class mocks up a dictionary like object, that behaves
-        # as if it was returned for multipart or urlencoded data.
-        class MockHTMLDict(dict):
-            getlist = None
-        serializer = self.Serializer(data=MockHTMLDict())
+        serializer = TestSerializer(data=MockHTMLDict())
         assert serializer.is_valid()
         assert serializer.validated_data == {'message': 'happy'}
 
+    def test_empty_html_checkbox_allow_null(self):
+        class TestSerializer(serializers.Serializer):
+            message = serializers.CharField(allow_null=True)
+
+        serializer = TestSerializer(data=MockHTMLDict())
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'message': None}
+
+    def test_empty_html_checkbox_allow_null_allow_blank(self):
+        class TestSerializer(serializers.Serializer):
+            message = serializers.CharField(allow_null=True, allow_blank=True)
+
+        serializer = TestSerializer(data=MockHTMLDict({}))
+        print serializer.is_valid()
+        print serializer.errors
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'message': ''}
+
+    def test_empty_html_required_false(self):
+        class TestSerializer(serializers.Serializer):
+            message = serializers.CharField(required=False)
+
+        serializer = TestSerializer(data=MockHTMLDict())
+        assert serializer.is_valid()
+        assert serializer.validated_data == {}
+
 
 class TestCreateOnlyDefault:
     def setup(self):
-- 
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