Merge pull request #10 from treasure-data/user_auth

User auth

.gitignore

@@ -18,3 +18,8 @@
 # built .gem file by `rake build`
 /pkg
 /Gemfile.production.lock
+
+# generated by simplecov
+/coverage
+
+/.DS_Store

Gemfile

@@ -8,4 +8,8 @@ group :development, :test do
   gem "rake"
   gem "pry"
   gem "rspec-rails", "~> 2.0"
+  gem "factory_girl_rails"
+  gem "database_cleaner", "~> 1.2.0"
+  gem "capybara", "~> 2.2.1"
+  gem "simplecov", "~> 0.7.1", require: false
 end

Gemfile.lock

@@ -2,10 +2,12 @@ PATH
   remote: .
   specs:
     fluentd-ui (0.0.1)
+      bcrypt (~> 3.1.5)
       bundler (~> 1.5)
       coffee-rails (~> 4.0.0)
       fluentd (= 0.10.46)
       haml-rails (~> 0.5.3)
+      i18n_generators (= 1.2.1)
       jbuilder (~> 2.0)
       jquery-rails (~> 3.1.0)
       rails (= 4.1.1)
@@ -43,7 +45,14 @@ GEM
       thread_safe (~> 0.1)
       tzinfo (~> 1.1)
     arel (5.0.1.20140414130214)
+    bcrypt (3.1.7)
     builder (3.2.2)
+    capybara (2.2.1)
+      mime-types (>= 1.16)
+      nokogiri (>= 1.3.3)
+      rack (>= 1.0.0)
+      rack-test (>= 0.5.4)
+      xpath (~> 2.0)
     coderay (1.1.0)
     coffee-rails (4.0.1)
       coffee-script (>= 2.2.0)
@@ -52,10 +61,18 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.7.0)
-    cool.io (1.2.3)
+    cool.io (1.2.4)
+    database_cleaner (1.2.0)
     diff-lcs (1.2.5)
+    domain_name (0.5.18)
+      unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
     execjs (2.0.2)
+    factory_girl (4.4.0)
+      activesupport (>= 3.0.0)
+    factory_girl_rails (4.4.1)
+      factory_girl (~> 4.4.0)
+      railties (>= 3.0.0)
     fluentd (0.10.46)
       cool.io (>= 1.1.1, < 2.0.0, != 1.2.0)
       http_parser.rb (>= 0.5.1, < 0.7.0)
@@ -71,8 +88,13 @@ GEM
       haml (>= 3.1, < 5.0)
       railties (>= 4.0.1)
     hike (1.2.3)
+    http-cookie (1.0.2)
+      domain_name (~> 0.5)
     http_parser.rb (0.6.0)
     i18n (0.6.9)
+    i18n_generators (1.2.1)
+      mechanize
+      rails (>= 3.0.0)
     jbuilder (2.0.7)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
@@ -83,11 +105,26 @@ GEM
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
+    mechanize (2.7.2)
+      domain_name (~> 0.5, >= 0.5.1)
+      http-cookie (~> 1.0.0)
+      mime-types (~> 1.17, >= 1.17.2)
+      net-http-digest_auth (~> 1.1, >= 1.1.1)
+      net-http-persistent (~> 2.5, >= 2.5.2)
+      nokogiri (~> 1.4)
+      ntlm-http (~> 0.1, >= 0.1.1)
+      webrobots (>= 0.0.9, < 0.2)
     method_source (0.8.2)
     mime-types (1.25.1)
+    mini_portile (0.5.3)
     minitest (5.3.3)
     msgpack (0.5.8)
     multi_json (1.10.0)
+    net-http-digest_auth (1.4)
+    net-http-persistent (2.9.4)
+    nokogiri (1.6.1)
+      mini_portile (~> 0.5.0)
+    ntlm-http (0.1.1)
     polyglot (0.3.4)
     pry (0.9.12.6)
       coderay (~> 1.0)
@@ -131,6 +168,10 @@ GEM
       sprockets (~> 2.8, <= 2.11.0)
       sprockets-rails (~> 2.0)
     sigdump (0.2.2)
+    simplecov (0.7.1)
+      multi_json (~> 1.0)
+      simplecov-html (~> 0.7.1)
+    simplecov-html (0.7.1)
     slop (3.5.0)
     sprockets (2.11.0)
       hike (~> 1.2)
@@ -153,13 +194,23 @@ GEM
     uglifier (2.5.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.6)
+    webrobots (0.1.1)
+    xpath (2.0.0)
+      nokogiri (~> 1.3)
     yajl-ruby (1.2.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  capybara (~> 2.2.1)
+  database_cleaner (~> 1.2.0)
+  factory_girl_rails
   fluentd-ui!
   pry
   rake
   rspec-rails (~> 2.0)
+  simplecov (~> 0.7.1)

app/controllers/application_controller.rb

@@ -2,4 +2,15 @@ class ApplicationController < ActionController::Base
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception
+  helper_method :current_user
+
+  def current_user
+    return unless session[:remember_token]
+    @current_user ||= User.find_by(remember_token: session[:remember_token])
+  end
+
+  def login_required
+    return true if current_user
+    redirect_to new_sessions_path
+  end
 end

app/controllers/fluentd/daemons_controller.rb

@@ -1,5 +1,6 @@
 class Fluentd::DaemonsController < ApplicationController
-  before_filter :fluentd
+  before_action :login_required
+  before_action :fluentd
 
   def show
   end

app/controllers/fluentd/settings_controller.rb

@@ -1,4 +1,6 @@
 class Fluentd::SettingsController < ApplicationController
+  before_action :login_required
+
   def show
     render text: fluentd.config.to_s, content_type: "text/plain"
   end

app/controllers/fluentd_controller.rb

@@ -1,4 +1,6 @@
 class FluentdController < ApplicationController
+  before_action :login_required
+
   def index
     @daemons = [Fluentd.new(Rails.root + "tmp" + "fluentd")] # TODO
   end

app/controllers/sessions_controller.rb

@@ -0,0 +1,30 @@
+class SessionsController < ApplicationController
+  def create
+    user = User.find_by(name: session_params[:name]).try(:authenticate, session_params[:password])
+    unless user
+      flash.now[:notice] = I18n.t("error.login_failed")
+      return render :new
+    end
+    sign_in user
+    redirect_to root_path
+  end
+
+  def destroy
+    current_user.update_attribute(:remember_token, nil)
+    session.delete :remember_token
+    redirect_to new_sessions_path
+  end
+
+  private
+
+  def session_params
+    params.require(:session).permit(:name, :password)
+  end
+
+  def sign_in(user)
+    token = user.generate_remember_token
+    session[:remember_token] = token
+    user.update_attribute(:remember_token, token)
+    user
+  end
+end

app/controllers/users_controller.rb

@@ -0,0 +1,3 @@
+class UsersController < ApplicationController
+  before_action :login_required
+end

app/models/user.rb

@@ -0,0 +1,13 @@
+class User < ActiveRecord::Base
+  has_secure_password
+
+  validates :name, uniqueness: true, presence: true
+  validates :remember_token, uniqueness: true, allow_nil: true
+
+  def generate_remember_token
+    begin
+      token = SecureRandom.base64(32)
+    end while User.where(remember_token: token).exists?
+    token
+  end
+end

app/views/layouts/application.html.erb

@@ -8,6 +8,7 @@
 </head>
 <body>
 
+  <%= current_user ? link_to(t("terms.sign_out"), sessions_path, method: :delete) : link_to(t("terms.sign_in"), new_sessions_path) %>
 <%= yield %>
 
 </body>

app/views/sessions/new.html.haml

@@ -0,0 +1,8 @@
+= render partial: "shared/error"
+= form_for(:session, url: sessions_path) do |f|
+  = f.label :name
+  = f.text_field :name
+  = f.label :password
+  = f.text_field :password
+  = submit_tag t("terms.sign_in")
+

app/views/shared/_error.html.haml

@@ -0,0 +1,3 @@
+%p.error
+  = flash[:notice]
+

config/application.rb

@@ -28,6 +28,6 @@ module FluentdUi
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
-    # config.i18n.default_locale = :de
+    config.i18n.default_locale = 'ja'
   end
 end

config/locales/en.yml

@@ -1,23 +1,204 @@
-# Files in the config/locales directory are used for internationalization
-# and are automatically loaded by Rails. If you want to use locales other
-# than English, add the necessary files in this directory.
-#
-# To use the locales, use `I18n.t`:
-#
-#     I18n.t 'hello'
-#
-# In views, this is aliased to just `t`:
-#
-#     <%= t('hello') %>
-#
-# To use a different locale, set it with `I18n.locale`:
-#
-#     I18n.locale = :es
-#
-# This would use the information in config/locales/es.yml.
-#
-# To learn more, please read the Rails Internationalization guide
-# available at http://guides.rubyonrails.org/i18n.html.
-
 en:
-  hello: "Hello world"
+  date:
+    abbr_day_names:
+    - Sun
+    - Mon
+    - Tue
+    - Wed
+    - Thu
+    - Fri
+    - Sat
+    abbr_month_names:
+    -
+    - Jan
+    - Feb
+    - Mar
+    - Apr
+    - May
+    - Jun
+    - Jul
+    - Aug
+    - Sep
+    - Oct
+    - Nov
+    - Dec
+    day_names:
+    - Sunday
+    - Monday
+    - Tuesday
+    - Wednesday
+    - Thursday
+    - Friday
+    - Saturday
+    formats:
+      default: ! '%Y-%m-%d'
+      long: ! '%B %d, %Y'
+      short: ! '%b %d'
+    month_names:
+    -
+    - January
+    - February
+    - March
+    - April
+    - May
+    - June
+    - July
+    - August
+    - September
+    - October
+    - November
+    - December
+    order:
+    - :year
+    - :month
+    - :day
+  datetime:
+    distance_in_words:
+      about_x_hours:
+        one: about 1 hour
+        other: about %{count} hours
+      about_x_months:
+        one: about 1 month
+        other: about %{count} months
+      about_x_years:
+        one: about 1 year
+        other: about %{count} years
+      almost_x_years:
+        one: almost 1 year
+        other: almost %{count} years
+      half_a_minute: half a minute
+      less_than_x_minutes:
+        one: less than a minute
+        other: less than %{count} minutes
+      less_than_x_seconds:
+        one: less than 1 second
+        other: less than %{count} seconds
+      over_x_years:
+        one: over 1 year
+        other: over %{count} years
+      x_days:
+        one: 1 day
+        other: ! '%{count} days'
+      x_minutes:
+        one: 1 minute
+        other: ! '%{count} minutes'
+      x_months:
+        one: 1 month
+        other: ! '%{count} months'
+      x_seconds:
+        one: 1 second
+        other: ! '%{count} seconds'
+    prompts:
+      day: Day
+      hour: Hour
+      minute: Minute
+      month: Month
+      second: Seconds
+      year: Year
+  errors:
+    format: ! '%{attribute} %{message}'
+    messages:
+      accepted: must be accepted
+      blank: can't be blank
+      present: must be blank
+      confirmation: ! "doesn't match %{attribute}"
+      empty: can't be empty
+      equal_to: must be equal to %{count}
+      even: must be even
+      exclusion: is reserved
+      greater_than: must be greater than %{count}
+      greater_than_or_equal_to: must be greater than or equal to %{count}
+      inclusion: is not included in the list
+      invalid: is invalid
+      less_than: must be less than %{count}
+      less_than_or_equal_to: must be less than or equal to %{count}
+      not_a_number: is not a number
+      not_an_integer: must be an integer
+      odd: must be odd
+      record_invalid: ! 'Validation failed: %{errors}'
+      restrict_dependent_destroy:
+        one: "Cannot delete record because a dependent %{record} exists"
+        many: "Cannot delete record because dependent %{record} exist"
+      taken: has already been taken
+      too_long:
+        one: is too long (maximum is 1 character)
+        other: is too long (maximum is %{count} characters)
+      too_short:
+        one: is too short (minimum is 1 character)
+        other: is too short (minimum is %{count} characters)
+      wrong_length:
+        one: is the wrong length (should be 1 character)
+        other: is the wrong length (should be %{count} characters)
+      other_than: "must be other than %{count}"
+    template:
+      body: ! 'There were problems with the following fields:'
+      header:
+        one: 1 error prohibited this %{model} from being saved
+        other: ! '%{count} errors prohibited this %{model} from being saved'
+  helpers:
+    select:
+      prompt: Please select
+    submit:
+      create: Create %{model}
+      submit: Save %{model}
+      update: Update %{model}
+  number:
+    currency:
+      format:
+        delimiter: ! ','
+        format: ! '%u%n'
+        precision: 2
+        separator: .
+        significant: false
+        strip_insignificant_zeros: false
+        unit: $
+    format:
+      delimiter: ! ','
+      precision: 3
+      separator: .
+      significant: false
+      strip_insignificant_zeros: false
+    human:
+      decimal_units:
+        format: ! '%n %u'
+        units:
+          billion: Billion
+          million: Million
+          quadrillion: Quadrillion
+          thousand: Thousand
+          trillion: Trillion
+          unit: ''
+      format:
+        delimiter: ''
+        precision: 3
+        significant: true
+        strip_insignificant_zeros: true
+      storage_units:
+        format: ! '%n %u'
+        units:
+          byte:
+            one: Byte
+            other: Bytes
+          gb: GB
+          kb: KB
+          mb: MB
+          tb: TB
+    percentage:
+      format:
+        delimiter: ''
+        format: "%n%"
+    precision:
+      format:
+        delimiter: ''
+  support:
+    array:
+      last_word_connector: ! ', and '
+      two_words_connector: ! ' and '
+      words_connector: ! ', '
+  time:
+    am: am
+    formats:
+      default: ! '%a, %d %b %Y %H:%M:%S %z'
+      long: ! '%B %d, %Y %H:%M'
+      short: ! '%d %b %H:%M'
+    pm: pm

config/locales/ja.yml

@@ -0,0 +1,194 @@
+ja:
+  date:
+    abbr_day_names:
+    - 日
+    - 月
+    - 火
+    - 水
+    - 木
+    - 金
+    - 土
+    abbr_month_names:
+    -
+    - 1月
+    - 2月
+    - 3月
+    - 4月
+    - 5月
+    - 6月
+    - 7月
+    - 8月
+    - 9月
+    - 10月
+    - 11月
+    - 12月
+    day_names:
+    - 日曜日
+    - 月曜日
+    - 火曜日
+    - 水曜日
+    - 木曜日
+    - 金曜日
+    - 土曜日
+    formats:
+      default: ! '%Y/%m/%d'
+      long: ! '%Y年%m月%d日(%a)'
+      short: ! '%m/%d'
+    month_names:
+    -
+    - 1月
+    - 2月
+    - 3月
+    - 4月
+    - 5月
+    - 6月
+    - 7月
+    - 8月
+    - 9月
+    - 10月
+    - 11月
+    - 12月
+    order:
+    - :year
+    - :month
+    - :day
+  datetime:
+    distance_in_words:
+      about_x_hours:
+        one: 約1時間
+        other: 約%{count}時間
+      about_x_months:
+        one: 約1ヶ月
+        other: 約%{count}ヶ月
+      about_x_years:
+        one: 約1年
+        other: 約%{count}年
+      almost_x_years:
+        one: 1年弱
+        other: ! '%{count}年弱'
+      half_a_minute: 30秒前後
+      less_than_x_minutes:
+        one: 1分以内
+        other: ! '%{count}分未満'
+      less_than_x_seconds:
+        one: 1秒以内
+        other: ! '%{count}秒未満'
+      over_x_years:
+        one: 1年以上
+        other: ! '%{count}年以上'
+      x_days:
+        one: 1日
+        other: ! '%{count}日'
+      x_minutes:
+        one: 1分
+        other: ! '%{count}分'
+      x_months:
+        one: 1ヶ月
+        other: ! '%{count}ヶ月'
+      x_seconds:
+        one: 1秒
+        other: ! '%{count}秒'
+    prompts:
+      day: 日
+      hour: 時
+      minute: 分
+      month: 月
+      second: 秒
+      year: 年
+  errors:
+    format: ! '%{attribute}%{message}'
+    messages:
+      accepted: を受諾してください。
+      blank: を入力してください。
+      present: は入力しないでください。
+      confirmation: と%{attribute}の入力が一致しません。
+      empty: を入力してください。
+      equal_to: は%{count}にしてください。
+      even: は偶数にしてください。
+      exclusion: は予約されています。
+      greater_than: は%{count}より大きい値にしてください。
+      greater_than_or_equal_to: は%{count}以上の値にしてください。
+      inclusion: は一覧にありません。
+      invalid: は不正な値です。
+      less_than: は%{count}より小さい値にしてください。
+      less_than_or_equal_to: は%{count}以下の値にしてください。
+      not_a_number: は数値で入力してください。
+      not_an_integer: は整数で入力してください。
+      odd: は奇数にしてください。
+      record_invalid: バリデーションに失敗しました。 %{errors}
+      restrict_dependent_destroy: ! '%{record}が存在しているので削除できません。'
+      taken: はすでに存在します。
+      too_long: は%{count}文字以内で入力してください。
+      too_short: は%{count}文字以上で入力してください。
+      wrong_length: は%{count}文字で入力してください。
+      other_than: "は%{count}以外の値にしてください。"
+    template:
+      body: 次の項目を確認してください。
+      header:
+        one: ! '%{model}にエラーが発生しました。'
+        other: ! '%{model}に%{count}個のエラーが発生しました。'
+  helpers:
+    select:
+      prompt: 選択してください。
+    submit:
+      create: 登録する
+      submit: 保存する
+      update: 更新する
+  number:
+    currency:
+      format:
+        delimiter: ! ','
+        format: ! '%n%u'
+        precision: 0
+        separator: .
+        significant: false
+        strip_insignificant_zeros: false
+        unit: 円
+    format:
+      delimiter: ! ','
+      precision: 3
+      separator: .
+      significant: false
+      strip_insignificant_zeros: false
+    human:
+      decimal_units:
+        format: ! '%n %u'
+        units:
+          billion: 十億
+          million: 百万
+          quadrillion: 千兆
+          thousand: 千
+          trillion: 兆
+          unit: ''
+      format:
+        delimiter: ''
+        precision: 3
+        significant: true
+        strip_insignificant_zeros: true
+      storage_units:
+        format: ! '%n%u'
+        units:
+          byte: バイト
+          gb: ギガバイト
+          kb: キロバイト
+          mb: メガバイト
+          tb: テラバイト
+    percentage:
+      format:
+        delimiter: ''
+        format: "%n%"
+    precision:
+      format:
+        delimiter: ''
+  support:
+    array:
+      last_word_connector: と
+      two_words_connector: と
+      words_connector: と
+  time:
+    am: 午前
+    formats:
+      default: ! '%Y/%m/%d %H:%M:%S'
+      long: ! '%Y年%m月%d日(%a) %H時%M分%S秒 %z'
+      short: ! '%y/%m/%d %H:%M'
+    pm: 午後

config/locales/translation_en.yml

@@ -0,0 +1,17 @@
+en:
+  terms:
+    sign_in: Sign in
+    sign_out: Sign out
+
+  error:
+    login_failed: Login failed.
+
+  activerecord:
+    models:
+      user: user  #g
+
+    attributes:
+      user:
+        name: name  #g
+        password_digest: password_digest  #g
+        remember_token: remember_token  #g

config/locales/translation_ja.yml

@@ -0,0 +1,17 @@
+ja:
+  terms:
+    sign_in: ログイン
+    sign_out: ログアウト
+
+  error:
+    login_failed: ログインに失敗しました。
+
+  activerecord:
+    models:
+      user: user  #g
+
+    attributes:
+      user:
+        name: name  #g
+        password_digest: password_digest  #g
+        remember_token: remember_token  #g

config/routes.rb

@@ -1,4 +1,7 @@
 Rails.application.routes.draw do
+  root "fluentd#index" # TODO: change to dashboard
+
+
   resources :fluentd, only: [:index] do
     resource :daemon, only: [:show], module: :fluentd do
       put "start"
@@ -10,6 +13,9 @@ Rails.application.routes.draw do
     end
   end
 
+  resources :users
+  resource :sessions
+
   resources :misc, only: [] do
   end
   # The priority is based upon order of creation: first created -> highest priority.

db/migrate/20140513053102_create_users.rb

@@ -0,0 +1,11 @@
+class CreateUsers < ActiveRecord::Migration
+  def change
+    create_table :users do |t|
+      t.string :name, null: false
+      t.string :password_digest, null: false
+      t.string :remember_token
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -0,0 +1,24 @@
+# encoding: UTF-8
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 20140513053102) do
+
+  create_table "users", force: true do |t|
+    t.string   "name",            null: false
+    t.string   "password_digest", null: false
+    t.string   "remember_token"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+end

db/seeds.rb

@@ -5,3 +5,5 @@
 #
 #   cities = City.create([{ name: 'Chicago' }, { name: 'Copenhagen' }])
 #   Mayor.create(name: 'Emanuel', city: cities.first)
+
+User.create(name: "admin", password: "changeme")

fluentd-ui.gemspec

@@ -20,6 +20,8 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "fluentd", "0.10.46"
   spec.add_dependency 'rails', '4.1.1'
+  spec.add_dependency 'i18n_generators', '1.2.1'
+  spec.add_dependency 'bcrypt', '~> 3.1.5'
   spec.add_dependency 'sqlite3'
   spec.add_dependency 'sass-rails', '~> 4.0.3'
   spec.add_dependency 'uglifier', '>= 1.3.0'

spec/controllers/sessions_controller_spec.rb

@@ -0,0 +1,5 @@
+require 'spec_helper'
+
+describe SessionsController do
+
+end

spec/controllers/users_controller_spec.rb

@@ -0,0 +1,5 @@
+require 'spec_helper'
+
+describe UsersController do
+
+end

spec/factories/user.rb

@@ -0,0 +1,7 @@
+FactoryGirl.define do
+  factory :user do
+    sequence(:name) {|n| "user#{n}" }
+    password "passw0rd"
+    password_confirmation "passw0rd"
+  end
+end

spec/features/sessions_spec.rb

@@ -0,0 +1,60 @@
+describe "sessions" do
+  let(:exists_user) { FactoryGirl.create(:user) }
+
+  describe "the sign in process" do
+    let(:submit_label) { I18n.t("terms.sign_in") }
+    before do
+      visit '/sessions/new'
+      within("form") do
+        fill_in 'session_name', :with => user.name
+        fill_in 'session_password', :with => user.password
+      end
+      click_button submit_label
+    end
+
+    context "sign in with exists user" do
+      let(:user) { exists_user }
+      it "login success, then redirect to root_path" do
+        current_path.should == root_path
+      end
+    end
+
+    context "sign in with non-exists user" do
+      let(:user) { FactoryGirl.build(:user) }
+
+      it "current location is not root_path" do
+        current_path.should_not == root_path
+      end
+
+      it "display form for retry" do
+        page.body.should have_css('form')
+      end
+    end
+  end
+
+  describe "sign out process" do
+    let(:submit_label) { I18n.t("terms.sign_in") }
+    before do
+      visit '/sessions/new'
+      within("form") do
+        fill_in 'session_name', :with => exists_user.name
+        fill_in 'session_password', :with => exists_user.password
+      end
+      click_button submit_label
+    end
+
+    before do
+      visit root_path
+      click_link I18n.t("terms.sign_out")
+    end
+
+    it "at sign in page after sign out" do
+      current_path.should == new_sessions_path
+    end
+
+    it "remember_token was destroyed" do
+      exists_user.reload
+      exists_user.remember_token.should be_nil
+    end
+  end
+end

spec/models/user_spec.rb

@@ -0,0 +1,56 @@
+require 'spec_helper'
+
+describe User do
+  let(:user) { FactoryGirl.build(:user) }
+
+  describe "#generate_remember_token" do
+    subject { user.generate_remember_token }
+    it { User.find_by(remember_token: subject).should be_nil }
+  end
+
+  describe "#valid?" do
+    it { user.should be_valid }
+
+    describe "name" do
+      it "nil is invalid" do
+        user.name = nil
+        user.should_not be_valid
+      end
+
+      it "taken name is invalid" do
+        another_user = FactoryGirl.create(:user)
+        user.name = another_user.name
+        user.should_not be_valid
+      end
+    end
+
+    describe "password" do
+      it "password != password_confirmation is invalid" do
+        user.password = "a"
+        user.password_confirmation = "b"
+        user.should_not be_valid
+      end
+    end
+
+    describe "remember_token" do
+      let(:token) { "xxx" }
+
+      it "nil is valid" do
+        user.remember_token = nil
+        user.should be_valid
+      end
+
+      it "nil and taken is valid " do
+        FactoryGirl.create(:user, remember_token: nil)
+        user.remember_token = nil
+        user.should be_valid
+      end
+
+      it "taken token is invalid" do
+        FactoryGirl.create(:user, remember_token: token)
+        user.remember_token = token
+        user.should_not be_valid
+      end
+    end
+  end
+end

spec/spec_helper.rb

@@ -1,3 +1,8 @@
+if ENV['RAILS_ENV'] == 'test'
+  require 'simplecov'
+  SimpleCov.start 'rails'
+end
+
 # This file is copied to spec/ when you run 'rails generate rspec:install'
 ENV["RAILS_ENV"] ||= 'test'
 require File.expand_path("../../config/environment", __FILE__)
@@ -39,4 +44,17 @@ RSpec.configure do |config|
   # the seed, which is printed after each run.
   #     --seed 1234
   config.order = "random"
+
+  config.before(:suite) do
+    DatabaseCleaner.strategy = :transaction
+    DatabaseCleaner.clean_with(:truncation)
+  end
+
+  config.before(:each) do
+    DatabaseCleaner.start
+  end
+
+  config.after(:each) do
+    DatabaseCleaner.clean
+  end
 end