fix: tests

app/controllers/microsoft/callbacks_controller.rb

@@ -1,4 +1,10 @@
 class Microsoft::CallbacksController < OauthCallbackController
+  private
+
+  def provider_name
+    'microsoft'
+  end
+
   def handle_response
     inbox, already_exists = find_or_create_inbox
     ::Redis::Alfred.delete(users_data['email'].downcase)
@@ -10,12 +16,6 @@ class Microsoft::CallbacksController < OauthCallbackController
     end
   end
 
-  private
-
-  def provider_name
-    'microsoft'
-  end
-
   def oauth_client
     app_id = GlobalConfigService.load('AZURE_APP_ID', nil)
     app_secret = GlobalConfigService.load('AZURE_APP_SECRET', nil)

app/controllers/oauth_callback_controller.rb

@@ -13,6 +13,14 @@ class OauthCallbackController < ApplicationController
 
   private
 
+  def provider_name
+    raise NotImplementedError
+  end
+
+  def oauth_client
+    raise NotImplementedError
+  end
+
   def oauth_code
     params[:code]
   end
@@ -22,19 +30,6 @@ class OauthCallbackController < ApplicationController
   end
 
   def parsed_body
-    @parsed_body ||= Rack::Utils.parse_nested_query(@response.raw_response.body)
-  end
-
-  # These methods should be implemented in the subclasses
-  def oauth_client
-    raise NotImplementedError
-  end
-
-  def provider_name
-    raise NotImplementedError
-  end
-
-  def handle_response
-    raise NotImplementedError
+    @parsed_body ||= @response.response.parsed
   end
 end