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PORuby on Rails Tutorial (mhartl) "Chapter 10: Destroying User" autotest rspec DELETE 'destroy' failure
 

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  1. PORuby on Rails Tutorial (mhartl) "Chapter 10: Destroying User" autotest rspec DELETE 'destroy' failure
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    <p>I am doing Michael Hartl's Rails Tutorial screencast + online book on Chapter 10, and I am stuck at the very last sub-chapter Destroying User.</p> <p><strong>Console output:</strong></p> <pre><code>Failures: 1) UsersController DELETE 'destroy' as an admin user should destroy the user Failure/Error: delete :destroy, :id =&gt; @user NameError: undefined local variable or method `users' for #&lt;UsersController:0x00000104a2f698&gt; ./app/controllers/users_controller.rb:47:in `destroy' ./spec/controllers/users_controller_spec.rb:321:in `block (5 levels) in &lt;top (required)&gt;' ./spec/controllers/users_controller_spec.rb:320:in `block (4 levels) in &lt;top (required)&gt;' 2) UsersController DELETE 'destroy' as an admin user should redirect to the users page Failure/Error: delete :destroy, :id =&gt; @user NameError: undefined local variable or method `users' for #&lt;UsersController:0x000001049bf370&gt; ./app/controllers/users_controller.rb:47:in `destroy' ./spec/controllers/users_controller_spec.rb:326:in `block (4 levels) in &lt;top (required)&gt;' </code></pre> <p><strong>users_controller.rb</strong></p> <pre><code>class UsersController &lt; ApplicationController before_filter :authenticate, :only =&gt; [:index, :edit, :update, :destroy] before_filter :correct_user, :only =&gt; [:edit, :update] before_filter :admin_user, :only =&gt; :destroy def index @users = User.paginate(:page =&gt; params[:page]) @title = "All users" end def show @user = User.find(params[:id]) @title = @user.name end def new @user = User.new @title = "Sign up" end def create @user = User.new(params[:user]) if @user.save sign_in @user redirect_to @user, :flash =&gt; { :success =&gt; "Welcome to the Sample App!" } else @title = "Sign up" render 'new' end end def edit @title = "Edit user" end def update if @user.update_attributes(params[:user]) redirect_to @user, :flash =&gt; { :success =&gt; "Profile updated." } else @title = "Edit user" render 'edit' end end def destroy User.find(params[:id]).destroy redirect_to users.path, :flash =&gt; { :success =&gt; "User destroyed." } end private def authenticate deny_access unless signed_in? end def correct_user @user = User.find(params[:id]) redirect_to(root_path) unless current_user?(@user) end def admin_user @user = User.find(params[:id]) redirect_to(root_path) if !current_user.admin? || current_user?(@user) end end </code></pre> <p><strong>Users_controller_spec.rb:</strong></p> <pre><code> describe "DELETE 'destroy'" do before(:each) do @user = Factory(:user) end describe "as a non-signed-in user" do it "should deny access" do delete :destroy, :id =&gt; @user response.should redirect_to(signin_path) end end describe "as non-admin user" do it "should protect the action" do test_sign_in(@user) delete :destroy, :id =&gt; @user response.should redirect_to(root_path) end end describe "as an admin user" do before(:each) do @admin = Factory(:user, :email =&gt; "admin@example.com", :admin =&gt; true) test_sign_in(@admin) end it "should destroy the user" do lambda do delete :destroy, :id =&gt; @user end.should change(User, :count).by(-1) end it "should redirect to the users page" do delete :destroy, :id =&gt; @user flash[:success].should =~ /destroyed/i response.should redirect_to(users_path) end it "should not be able to destroy itself" do delete :destroy, :id =&gt; @admin lambda do delete :destroy, :id =&gt; @admin end.should_not change(User, :count) end end end end </code></pre> <p>I am a beginner but always in a habit of doing extensive researches (90% of the time I found answers by searching SO and Google) before posting any question here. </p> <p>My last 2 unposted questions (found the answer before posting) I had was fixed by updating my Gemfiles (will_paginate and undefined _selector in rspec). Could this be it too? </p> <p>Thanks for the concern and taking the time to read this. </p>
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