Test the basic functionality of the movies_controller create function

updated_movies_controller_create_spec.rb

require 'rails_helper'

RSpec.describe MoviesController, type: :controller do
    before (:each) do
        @mock_movie_attributes = {:title => 'Space Balls', :release_date => '24/6/1987', :rating => 'PG'}
        @mock_movie = FactoryGirl.create(:movie)
    end
    
    describe "POST #create" do
      
        it "saves the new movie in the database" do
            expect {
            post :create, movie: @mock_movie_attributes
            }.to change(Movie,:count).by(1)
        end
        it "assigns the saved movie to @movie" do
            post :create, movie: @mock_movie_attributes
            expect(assigns(:movie).title).to include("Space Balls")
        end
        it "redirects to the home page" do
            post :create, movie: @mock_movie_attributes
            expect(response).to redirect_to(:action => 'index')
        end
    end
end