我是 Ruby on Rails 的新手,Michael Hartl 的优秀书籍《Ruby on Rails 教程》给了我极大的帮助。我已经读到了第 8 章,现在正在学习该章的练习。我在练习 1 中遇到了(我假设是一个典型的“新手”)问题。在本练习中,要求“1.重构登录表单以使用 form_tag 代替 form_for”。我已经尝试在 Stackoverflow、Google、Railscast 和许多其他“网络搜索”中搜索这两天的帮助,但我似乎没有找到回答这个问题所需的帮助。我试图用 form_tag 修改的文件如下:
<% provide(:title, "Sign in") %>
<h1>Sign in</h1>
<div class="row">
<div class="span6 offset3">
<%= form_for(:session, url: sessions_path) do |f| %>
<%= f.label :email %>
<%= f.text_field :email %>
<%= f.label :password %>
<%= f.password_field :password %>
<%= f.submit "Sign in", class: "btn btn-large btn-primary" %>
<% end %>
<p>New user? <%= link_to "Sign up now!", signup_path %></p>
</div>
</div>
我在这个应用程序中使用 Rails 3.2.3。有人能指出我正确的方向吗?谁能帮我解决这个问题?我将不胜感激。
这是使用 form_tag 的实现:
<% provide(:title, "Sign in") %>
<h1>Sign in</h1>
<div class="row">
<div class="span6 offset3">
<%= form_tag( url: sessions_path ) do %>
<%= label_tag :email %>
<%= text_field_tag :email %>
<%= label_tag :password %>
<%= password_field_tag :password %>
<%= submit_tag "Sign in", class: "btn btn-large btn-primary" %>
<% end %>
<p>New user? <%= link_to "Sign up now!", signup_path %></p>
</div>
</div>
我正在使用 Rspec 2.9.0,以下是失败的测试:
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
和
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
和
describe "with valid information" do
let(:user) { FactoryGirl.create(:user) }
before do
fill_in "Email", with: user.email
fill_in "Password", with: user.password
click_button "Sign in"
end
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_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
这是我的路线文件:
SampleApp::Application.routes.draw do
resources :users
resources :sessions, only: [:new, :create, :destroy]
get "users/new"
root to: 'static_pages#home'
match '/signup', to: 'users#new'
match '/signin', to: 'sessions#new'
match '/signout', to: 'sessions#destroy', via: :delete
match '/help', to: 'static_pages#help'
match '/about', to: 'static_pages#about'
match '/contact', to: 'static_pages#contact'
end