Corrected inflection setting management

Author: jerel

README.rst

@@ -155,7 +155,7 @@ requests and responses from the python/rest_framework's preferred underscore to
 a format of your choice. To hook this up include the following in your project
 settings::
 
-   JSON_API_FORMAT_KEYS = True
+   JSON_API_FORMAT_KEYS = 'dasherize'
 
 Note: due to the way the inflector works address_1 can camelize to address1
 on output but it cannot convert address1 back to address_1 on POST or PUT. Keep

example/tests/test_format_keys.py

@@ -18,11 +18,11 @@ def setUp(self):
         self.detail_url = reverse('user-detail', kwargs={'pk': self.miles.pk})
 
         # Set the format keys settings.
-        setattr(settings, 'JSON_API_FORMAT_KEYS', True)
+        setattr(settings, 'JSON_API_FORMAT_KEYS', 'camelization')
 
     def tearDown(self):
         # Remove the format keys settings.
-        delattr(settings, 'JSON_API_FORMAT_KEYS')
+        setattr(settings, 'JSON_API_FORMAT_KEYS', 'dasherize')
 
 
     def test_camelization(self):

rest_framework_json_api/utils.py

@@ -115,11 +115,12 @@ def format_keys(obj, format_type=None):
 def format_value(value, format_type=None):
     format_type = getattr(settings, 'JSON_API_FORMAT_KEYS', False)
     if format_type == 'dasherize':
-        return inflection.dasherize(value)
-    if format_type == 'camelize':
-        return inflection.camelize(value)
-    if format_type == 'underscore':
-        return inflection.underscore(value)
+        value = inflection.dasherize(value)
+    elif format_type == 'camelize':
+        value = inflection.camelize(value)
+    elif format_type == 'underscore':
+        value = inflection.underscore(value)
+    return value
 
 
 def build_json_resource_obj(fields, resource, resource_name):