我目前正在学习Rails教程。在Rails测试后，TDD，我有错误消息。还有更多消息，但是首先我要调试这些消息。我有登录问题。即使可以注册，也无法使用电子邮件和密码登录。
1) Failure:
UsersLoginTest#test_login_with_valid_information_followed_by_logout [/home/ec2-user/environment/sample_app/test/integration/users_login_test.rb:26]:
Expected exactly 0 elements matching "a[href="/login"]", found 1..
Expected: 0
Actual: 1
require 'test_helper'
class UsersLoginTest < ActionDispatch::IntegrationTest
def setup
@user = users(:michael)
end
test "login with invalid information" do
get login_path
assert_template 'sessions/new'
post login_path, params: { session: { email: "", password: "" } }
assert_template 'sessions/new'
assert_not flash.empty?
get root_path
assert flash.empty?
end
test "login with valid information followed by logout" do
get login_path
post login_path, params: { session: { email: @user.email,
password: 'password' } }
assert is_logged_in?
assert_redirected_to @user
follow_redirect!
assert_template 'users/show'
assert_select "a[href=?]", login_path, count: 0
assert_select "a[href=?]", logout_path
assert_select "a[href=?]", user_path(@user)
delete logout_path
assert_not is_logged_in?
assert_redirected_to root_url
delete logout_path
follow_redirect!
assert_select "a[href=?]", login_path
assert_select "a[href=?]", logout_path, count: 0
assert_select "a[href=?]", user_path(@user), count: 0
end
test "login with remembering" do
log_in_as(@user, remember_me: '1')
assert_not_empty cookies['remember_token']
end
test "login without remembering" do
log_in_as(@user, remember_me: '1')
delete logout_path
log_in_as(@user, remember_me: '0')
assert_empty cookies['remember_token']
end
end
class UsersController < ApplicationController
before_action :logged_in_user, only:[:index, :edit,:update]
before_action :correct_user, only:[:edit, :update]
def index
@users = User.paginate(page: params[:page])
end
def show
@user = User.find(params[:id])
end
def new
@user = User.new
end
def create
@user = User.new(user_params)
if @user.save
log_in @user
flash[:success] = "Welcome to the Sample App!"
redirect_to @user
else
render 'new'
end
end
def edit
@user = User.find(params[:id])
end
def update
@user = User.find(params[:id])
if @user.update_attributes(user_params)
flash[:success] = "Profile updated"
redirect_to @user
else
render 'edit'
end
end
private
def user_params
params.require(:user).permit(
:name, :email, :password,
:password_confirmation)
end
def logged_in_user
unless logged_in?
store_location
flash[:danger] = "Please log in."
redirect_to login_url
end
end
def correct_user
@user = User.find(params[:id])
redirect_to(root_url) unless current_user?(@user)
end
end
<% provide(:title, "Log in") %>
<h1>Log in</h1>
<div class="row">
<div class="col-md-6 col-md-offset-3">
<%= form_for(:session, url:login_path) do |f| %>
<%= f.label :email %>
<%= f.email_field :email, class:'form-control' %>
<%= f.label :password %>
<%= f.password_field :password, class:'form-control' %>
<%= f.label :remember_me, class: "checkbox inline" do %>
<%= f.check_box :remember_me %>
<span>Remember me on this computer</span>
<% end %>
<%= f.submit "Log in", class:"btn btn-primary" %>
<% end %>
<p>New user? <%= link_to "Sign up now!", signup_path %></p>
</div>
</div>
<header class="navbar navbar-fixed-top navbar-inverse">
<div class="container">
<%= link_to "sample app", root_path, id: "logo" %>
<nav>
<ul class="nav navbar-nav navbar-right">
<li><%= link_to "Home", root_path %></li>
<li><%= link_to "Help", help_path %></li>
<% if logged_in? %>
<li><%= link_to "Users", users_path %></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">
Account <b class="caret"></b>
</a>
<ul class="dropdown-menu">
<li><%= link_to "Profile", current_user %></li>
<li><%= link_to "Settings", edit_user_path(current_user) %></li>
<li class="divider"></li>
<li>
<%= link_to "Log out", logout_path, method: :delete %>
</li>
</ul>
</li>
<% else %>
<li><%= link_to "Log in", login_path %></li>
<% end %>
</ul>
</nav>
</div>
</header>
Started POST "/login" for 160.86.161.32 at 2019-02-12 00:16:21 +0000
Cannot render console from 160.86.161.32! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255
(0.1ms) SELECT "schema_migrations"."version" FROM "schema_migrations" ORDER BY "schema_migrations"."version" ASC
Processing by SessionsController#create as HTML
Parameters: {"utf8"=>"✓", "authenticity_token"=>"JWDGUASZpEIXXSnesdlgoB1dY0vDoZRPKT+lgAaKVinOe07SQpTRwyFsDX2D7QHOzSx1UWxAqe6elhMPQu719Q==", "session"=>{"email"=>"gonnbe1106@yahoo.co.jp", "password"=>"[FILTERED]", "remember_me"=>"0"}, "commit"=>"Log in"}
User Load (0.2ms) SELECT "users".* FROM "users" WHERE "users"."email" = ? LIMIT ? [["email", "gonnbe1106@yahoo.co.jp"], ["LIMIT", 1]]
(0.1ms) begin transaction
(0.1ms) commit transaction
Redirected to https://06f94f09794143fa9d708cbff698cf78.vfs.cloud9.us-east-2.amazonaws.com/users
Completed 302 Found in 99ms (ActiveRecord: 4.5ms)
Started GET "/users" for 160.86.161.32 at 2019-02-12 00:16:22 +0000
Cannot render console from 160.86.161.32! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255
Processing by UsersController#index as HTML
User Load (0.1ms) SELECT "users".* FROM "users" WHERE "users"."id" = NULL LIMIT ? [["LIMIT", 1]]
Redirected to https://06f94f09794143fa9d708cbff698cf78.vfs.cloud9.us-east-2.amazonaws.com/login
Filter chain halted as :logged_in_user rendered or redirected
Completed 302 Found in 3ms (ActiveRecord: 0.4ms)
Started GET "/login" for 160.86.161.32 at 2019-02-12 00:16:22 +0000
Cannot render console from 160.86.161.32! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255
Processing by SessionsController#new as HTML
Rendering sessions/new.html.erb within layouts/application
Rendered sessions/new.html.erb within layouts/application (502.7ms)
Rendered layouts/_shim.html.erb (0.3ms)
User Load (0.2ms) SELECT "users".* FROM "users" WHERE "users"."id" = NULL LIMIT ? [["LIMIT", 1]]
Rendered layouts/_header.html.erb (2.5ms)
Rendered layouts/_footer.html.erb (0.4ms)
Completed 200 OK in 724ms (Views: 722.9ms | ActiveRecord: 0.2ms)
<% provide(:title, "Log in") %>
<h1>Log in</h1>
<div class="row">
<div class="col-md-6 col-md-offset-3">
<%= form_for(:session, url: login_path) do |f| %>
<%= f.label :email %>
<%= f.email_field :email, class: 'form-control' %>
<%= f.label :password %>
<%= f.password_field :password, class: 'form-control' %>
<%= f.label :remember_me, class: "checkbox inline" do %>
<%= f.check_box :remember_me %>
<span>Remember me on this computer</span>
<% end %>
<%= f.submit "Log in", class: "btn btn-primary" %>
<% end %>
<p>New user? <%= link_to "Sign up now!", signup_path %></p>
</div>
</div>
class SessionsController < ApplicationController
# GET /login
def new
#@session = Session.new
end
# POST /login
def create
user = User.find_by(email: params[:session][:email])
if user && user.authenticate(params[:session][:password])
# Success
log_in user
params[:session][:remember_me] == '1' ? remember(user) : forget(user)
redirect_back_or user
else
# Failure
flash.now[:danger] = 'Invalid email/password combination'
render 'new'
end
end
# DELETE /logout
def destroy
log_out if logged_in?
redirect_to root_url
end
end
我想把这种失败变成断言。你能帮我吗？