Ruby Problemewith filter and RSpec - testing

Question

I can't figure out why this RSpec test fails. Any advice?
I try to handle the destruction of post. Only users who create posts can delete them.
class PostsController < ApplicationController
before_filter :authorized_user, :only => :destroy
def destroy
post = Post.find(params[:id])
post.destroy
redirect_to posts_path, notice: 'Post successfully destroyed'
end
private
def authorized_user
redirect_to posts_path, notice: 'Access Denied' if current_user.posts.find_by_id(params[:id]).nil?
end
Test :
describe "DELETE destroy" do
before(:each) do
#post = stub_model(Post, :id => 23)
#post.stub(:destroy){true}
Post.stub(:find){#post}
end
it "should search the post" do
Post.should_receive(:find).with(#post.id.to_s).and_return(#post)
delete :destroy, {:id => #post.id }
end
it "should destroy the post" do
#post.should_receive(:destroy)
delete :destroy, {:id => #post.id }
end
it "should redirect to the posts list" do
delete :destroy, {:id => #post.id }
response.should redirect_to posts_path
end
end
And errors :
1) PostsController DELETE destroy should search the post
Failure/Error: Post.should_receive(:find).with(#post.id.to_s).and_return(#post)
(<Post(id: integer, title: string, body: text, created_at: datetime, updated_at: datetime, user_id: integer) (class)>).find("23")
expected: 1 time
received: 0 times
# ./spec/controllers/posts_controller_spec.rb:67:in `block (3 levels) in <top (required)>'

Answer 1

I think it is because in the before(:each) block you have to log in a user. You have before_filter and this filter is only for :destroy. So when you don't have a logged in user then your tests will fail because it is actually a user without permissions that "runs the test". So you should put this code in before(:each):
user = way_to_make_user - I do it with: FactoryGirl.create(:user,role=>"client")
controller.sign_in user
I could help you more if you tell me what do you use for authentication. I use cancan gem. So the main point is that you have to log in user before each test.