我正在关注rails教程@ http://railstutorial.org
在第11章,我遇到了显示用户微博的问题.
根据本教程,RSPEC测试应该通过.但是,它失败了
1) UsersController GET 'show' should show the user's microposts
Failure/Error: get :show, :id => @user
undefined method `model_name' for NilClass:Class
# ./app/views/users/show.html.erb:10:in `_app_views_users_show_html_erb__49
# ./spec/controllers/users_controller_spec.rb:71
当我尝试访问与其关联的微博的用户页面时,我得到一个例外:
NoMethodError in Users#show
Showing C:/Documents and Settings/XXXXX/workspace/sample_app/app/views/users/show.html.erb where line #10 raised:
undefined method `model_name' for NilClass:Class
Extracted source (around line #10):
7: </h1>
8: <% unless @user.microposts.empty? %>
9: <table class="microposts" summary="User microposts">
10: <%= render @microposts %>
11: </table>
12: <%= will_paginate @microposts %>
13: <% end %>
Rails.root: …