rspec controller post action test fails with ActiveModel::ForbiddenAttributesError - ruby

Question

I want to test the post action of my controller but it fails with an ActiveModel::ForbiddenAttributesError.
require 'spec_helper'
describe HomeController do
describe "POST #create" do
context "with valid attributes" do
it "saves the new feed in the database" do
expect{
post :create, feed: FactoryGirl.attributes_for(:valid_feed)
}.to change(Feed,:count).by(1)
end
end
end
Factory:
FactoryGirl.define do
factory :valid_feed, class: Feed do
title "CRE"
address "http://cre.fm/feed/m4a/"
end
factory :invalid_feed, parent: :valid_feed do |f|
f.address nil
end
end
Controller:
class HomeController < ApplicationController
def index
end
def create
#feed = Feed.new(params[:feed])
if #feed.save
redirect "/"
else
render nothing: true
end
end
end
I checked the params in controller to see if there is something wrong but params[:feed] contains a valid hash.
Did I miss something here?

Answer 1

Yup, you missed something. Rails 4 has enabled strong parameters by default. You'll need to change it to something like this:
class HomeController < ApplicationController
def index
end
def create
#feed = Feed.new(feed_params)
if #feed.save
redirect "/"
else
render nothing: true
end
end
private
def feed_params
params.require(:feed).permit(:allowed, :elements, :of, :feed)
end
end