tests: add TestHTMLInputWithListAndDict, re-using 2 existing list tests

tests/test_fields.py

@@ -469,19 +469,6 @@ class TestHTMLInput:
         assert serializer.is_valid()
         assert serializer.validated_data == {'scores': [1]}
 
-    def test_querydict_list_input_no_values_uses_default(self):
-        """
-        When there are no values passed in, and default is set
-        The field should return the default value
-        """
-        class TestSerializer(serializers.Serializer):
-            a = serializers.IntegerField(required=True)
-            scores = serializers.ListField(default=lambda: [1, 3])
-
-        serializer = TestSerializer(data=QueryDict('a=1&'))
-        assert serializer.is_valid()
-        assert serializer.validated_data == {'a': 1, 'scores': [1, 3]}
-
     def test_querydict_list_input_supports_indexed_keys(self):
         """
         When data is passed in the format `scores[0]=1&scores[1]=3`
@@ -494,18 +481,6 @@ class TestHTMLInput:
         assert serializer.is_valid()
         assert serializer.validated_data == {'scores': ['5', '6']}
 
-    def test_querydict_list_input_no_values_no_default_and_not_required(self):
-        """
-        When there are no keys passed, there is no default, and required=False
-        The field should be skipped
-        """
-        class TestSerializer(serializers.Serializer):
-            scores = serializers.ListField(required=False)
-
-        serializer = TestSerializer(data=QueryDict(''))
-        assert serializer.is_valid()
-        assert serializer.validated_data == {}
-
     def test_querydict_list_input_posts_key_but_no_values(self):
         """
         When there are no keys passed, there is no default, and required=False
@@ -519,6 +494,37 @@ class TestHTMLInput:
         assert serializer.validated_data == {'scores': ['']}
 
 
+@pytest.mark.parametrize('field', (
+    serializers.ListField,
+    serializers.DictField,
+))
+class TestHTMLInputWithListAndDict:
+    def test_querydict_no_values_uses_default(self, field):
+        """
+        When there are no values passed in, and default is set
+        The field should return the default value
+        """
+        class TestSerializer(serializers.Serializer):
+            a = serializers.IntegerField(required=True)
+            scores = field(default=lambda: {'default': 'value'})
+
+        serializer = TestSerializer(data=QueryDict('a=1&'))
+        assert serializer.is_valid()
+        assert serializer.validated_data == {'a': 1, 'scores': {'default': 'value'}}
+
+    def test_querydict_no_values_no_default_and_not_required(self, field):
+        """
+        When there are no keys passed, there is no default, and required=False
+        The field should be skipped
+        """
+        class TestSerializer(serializers.Serializer):
+            scores = field(required=False)
+
+        serializer = TestSerializer(data=QueryDict(''))
+        assert serializer.is_valid()
+        assert serializer.validated_data == {}
+
+
 class TestCreateOnlyDefault:
     def setup(self):
         default = serializers.CreateOnlyDefault('2001-01-01')