How to begin testing the movies_controller

movies_controller_spec.rb

require 'rails_helper'

RSpec.describe MoviesController, type: :controller do
    describe "POST #create" do
      context "with valid attributes" do 
        it "saves the new movie in the database" do
        end
        it "assigns the saved movie to @movie" do
        end
        it "redirects to the home page" do
        end
      end
    end
  
    describe "GET #show" do
      it "assigns the requested movie to @movie" do
      end
      it "renders the :show template" do
      end
    end
  
    describe "PUT #update" do
      it "located the requested movie" do
      end
      it "changed the requested movies attributes" do
      end
      it "redirects to the updated movie" do
      end
    end
  
    describe "DELETE #destroy" do
      it "deletes the movie" do
      end
      it "redirects to the main page " do
      end
    end
end