我在运行 RSpec 测试时遇到了以下错误：
失败：
1) Authentication authorization as wrong user visiting Users#edit page
Failure/Error: before { visit edit_user_path(wrong_user) }
ActionView::Template::Error:
undefined local variable or method `feed_item' for #<#<Class:0x007f89628593f8>:0x007f895fcdcd38>
# ./app/views/shared/_feed.html.erb:1:in `_app_views_shared__feed_html_erb___2268788413810348528_70113969385200'
# ./app/views/static_pages/home.html.erb:13:in `_app_views_static_pages_home_html_erb__501962788019734978_70114020097480'
# ./spec/requests/authentication_pages_spec.rb:108:in `block (5 levels) in <top (required)>'
2) Micropost pages micropost creation with invalid information should not create a micropost
Failure/Error: before { visit root_path }
ActionView::Template::Error:
undefined local variable or method `feed_item' for #<#<Class:0x007f89628593f8>:0x007f895ff8c3a8>
# ./app/views/shared/_feed.html.erb:1:in `_app_views_shared__feed_html_erb___2268788413810348528_70113969385200'
# ./app/views/static_pages/home.html.erb:13:in `_app_views_static_pages_home_html_erb__501962788019734978_70114020097480'
# ./spec/requests/micropost_pages_spec.rb:11:in `block (3 levels) in <top (required)>'
3) Micropost pages micropost creation with invalid information error messages
Failure/Error: before { visit root_path }
ActionView::Template::Error:
undefined local variable or method `feed_item' for #<#<Class:0x007f89628593f8>:0x007f8962b99798>
# ./app/views/shared/_feed.html.erb:1:in `_app_views_shared__feed_html_erb___2268788413810348528_70113969385200'
# ./app/views/static_pages/home.html.erb:13:in `_app_views_static_pages_home_html_erb__501962788019734978_70114020097480'
# ./spec/requests/micropost_pages_spec.rb:11:in `block (3 levels) in <top (required)>'
4) Micropost pages micropost creation with valid information should create a micropost
Failure/Error: before { visit root_path }
ActionView::Template::Error:
undefined local variable or method `feed_item' for #<#<Class:0x007f89628593f8>:0x007f895de6c3a8>
# ./app/views/shared/_feed.html.erb:1:in `_app_views_shared__feed_html_erb___2268788413810348528_70113969385200'
# ./app/views/static_pages/home.html.erb:13:in `_app_views_static_pages_home_html_erb__501962788019734978_70114020097480'
# ./spec/requests/micropost_pages_spec.rb:11:in `block (3 levels) in <top (required)>'
5) Static pages for signed-in users should render the user's feed
Failure/Error: visit root_path
ActionView::Template::Error:
undefined local variable or method `feed_item' for #<#<Class:0x007f89628593f8>:0x007f895dd16f80>
# ./app/views/shared/_feed.html.erb:1:in `_app_views_shared__feed_html_erb___2268788413810348528_70113969385200'
# ./app/views/static_pages/home.html.erb:13:in `_app_views_static_pages_home_html_erb__501962788019734978_70114020097480'
# ./spec/requests/static_pages_spec
代码：
authentication_pages_spec.rb 的代码
require 'spec_helper'
describe "Authentication" do
subject { page }
describe "signin page" do
before { visit signin_path }
it { should have_selector('h1', text: 'Sign in') }
it { should have_selector('title', text: 'Sign in') }
end
describe "signin" do
before { visit signin_path }
describe "with invalid information" do
before { click_button "Sign in" }
it { should have_selector('title', text: 'Sign in') }
it { should have_selector('div.alert.alert-error', text: 'Invalid') }
describe "after visiting another page" do
before { click_link "Home" }
it { should_not have_selector('div.alert.alert-error') }
end
end
describe "with valid information" do
let(:user) { FactoryGirl.create(:user) }
before { sign_in user }
it { should have_selector('title', text: user.name) }
it { should have_link('Profile', href: user_path(user)) }
it { should have_link('Sign out', href: signout_path) }
it { should have_link('Settings', href: edit_user_path(user)) }
it { should have_link('Users', href: users_path) }
it { should_not have_link('Sign in', href: signin_path) }
describe "followed by signout" do
before { click_link "Sign out" }
it { should have_link('Sign in') }
end
end
end
describe "authorization" do
describe "for non-signed-in users" do
let(:user) { FactoryGirl.create(:user) }
describe "when attempting to visit a protected page" do
before do
visit edit_user_path(user)
fill_in "Email", with: user.email
fill_in "Password", with: user.password
click_button "Sign in"
end
describe "after signing in" do
it "should render the desired protected page" do
page.should have_selector('title', text: 'Edit user')
end
end
end
describe "in the Users controller" do
describe "visiting the edit page" do
before { visit edit_user_path(user) }
it { should have_selector('title', text: 'Sign in') }
end
describe "submitting to the update action" do
before { put user_path(user) }
specify { response.should redirect_to(signin_path) }
end
describe "visiting the user index" do
before { visit users_path }
it { should have_selector('title', text: 'Sign in') }
end
end
end
describe "in the Microposts controller" do
describe "submitting to the create action" do
before { post microposts_path }
specify { response.should redirect_to(signin_path) }
end
describe "submitting to the destroy action" do
before { delete micropost_path(FactoryGirl.create(:micropost)) }
specify { response.should redirect_to(signin_path) }
end
end
describe "as wrong user" do
let(:user) { FactoryGirl.create(:user) }
let(:wrong_user) { FactoryGirl.create(:user, email: "wrong@example.com") }
before { sign_in user }
describe "visiting Users#edit page" do
before { visit edit_user_path(wrong_user) }
it { should_not have_selector('title', text: full_title('Edit user')) }
end
describe "submitting a PUT request to the Users#update action" do
before { put user_path(wrong_user) }
specify { response.should redirect_to(root_path) }
end
end
describe "as non-admin user" do
let(:user) { FactoryGirl.create(:user) }
let(:non_admin) { FactoryGirl.create(:user) }
before { sign_in non_admin }
describe "submitting a DELETE request to the Users#destroy action" do
before { delete user_path(user) }
specify { response.should redirect_to(root_path) }
end
end
end
end
_feed.html.erb 的代码**
<li id="<%= feed_item.id %>">
<%= link_to gravatar_for(feed_item.user), feed_item.user %>
<span class="user">
<%= link_to feed_item.user.name, feed_item.user %>
</span>
<span class="content"><%= feed_item.content %></span>
<span class="timestamp">
Posted <%= time_ago_in_words(feed_item.created_at) %> ago.
</span>
</li>
_feed_item.html.erb 的代码
<li id="<%= feed_item.id %>">
<%= link_to gravatar_for(feed_item.user), feed_item.user %>
<span class="user">
<%= link_to feed_item.user.name, feed_item.user %>
</span>
<span class="content"><%= feed_item.content %></span>
<span class="timestamp">
Posted <%= time_ago_in_words(feed_item.created_at) %> ago.
</span>
<% if current_user?(feed_item.user) %>
<%= link_to "delete", feed_item, method: :delete,
data: { confirm: "You sure?" },
title: feed_item.content %>
<% end %>
</li>
如果我应该包括其他文件，请告诉我。谢谢！