Scaffolding for Users

Gemfile

@@ -16,17 +16,19 @@ gem 'jquery-rails'
 gem 'turbolinks', '~> 5'
 gem 'jbuilder', '~> 2.5'
 
-group :development do
-  gem 'listen', '~> 3.0.5'
-  gem 'spring'
-  gem 'spring-watcher-listen', '~> 2.0.0'
-  gem 'web-console', '>= 3.3.0'
-
+group :development, :test do
   gem 'capybara'
   gem 'database_cleaner'
   gem 'factory_girl_rails'
   gem 'pry-rails'
   gem 'rspec-rails'
+end
+
+group :development do
+  gem 'listen', '~> 3.0.5'
+  gem 'spring'
+  gem 'spring-watcher-listen', '~> 2.0.0'
+  gem 'web-console', '>= 3.3.0'
   gem 'rubocop'
 end
 

app/assets/javascripts/users.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/users.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the users controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/users_controller.rb

@@ -0,0 +1,50 @@
+class UsersController < ApplicationController
+  before_action :set_user, only: [:edit, :update, :show, :destroy]
+
+  def index
+    @users = User.all
+  end
+
+  def new
+    @user = User.new
+  end
+
+  def create
+    @user = User.new(user_params)
+    if @user.save
+      redirect_to user_path(@user), notice: 'User has been created'
+    else
+      render :new
+    end
+  end
+
+  def edit; end
+
+  def update
+    if @user.update(user_params)
+      redirect_to user_path(@user), notice: 'User has been updated'
+    else
+      render :edit
+    end
+  end
+
+  def show; end
+
+  def destroy
+    if @user.destroy
+      redirect_to users_path, notice: 'User has been removed'
+    else
+      redirect_to users_path, alert: 'Couldn\'t remove user'
+    end
+  end
+
+  private
+
+  def set_user
+    @user = User.find(params[:id])
+  end
+
+  def user_params
+    params.require(:user).permit(:first_name, :last_name, :password)
+  end
+end

app/helpers/users_helper.rb

@@ -0,0 +1,2 @@
+module UsersHelper
+end

app/models/user.rb

@@ -0,0 +1,8 @@
+class User < ApplicationRecord
+  validates :first_name, :last_name, presence: true
+  validates :password, presence: true, on: :create
+
+  def full_name
+    "#{first_name} #{last_name}"
+  end
+end

app/views/layouts/partials/_form_error_messages.html.erb

@@ -0,0 +1,9 @@
+<% if object.errors.any? %>
+  <div class="form-errors">
+    <ul>
+      <% object.errors.full_messages.each do |msg| %>
+        <li><%= msg %></li>
+      <% end %>
+    </ul>
+  </div>
+<% end %>

app/views/users/_form.html.erb

@@ -0,0 +1,6 @@
+<%= render partial: 'layouts/partials/form_error_messages', locals: { object: @user } %>
+
+<p>First Name:</p>
+<p><%=f.text_field :first_name %></p>
+<p>Last Name:</p>
+<p><%=f.text_field :last_name %></p>

app/views/users/edit.html.erb

@@ -0,0 +1,8 @@
+<h1>Edit User</h1>
+
+<%=link_to 'Users', users_path %>
+
+<%= form_for @user do |f| %>
+  <%=render partial: 'form', locals: { f: f } %>
+  <p><%=f.submit 'Update' %></p>
+<% end %>

app/views/users/index.html.erb

@@ -0,0 +1,10 @@
+<h1>Users</h1>
+<% @users.each do |user| %>
+  <p>
+  <%=user.full_name %>
+  <%=link_to "show", user_path(user) %> /
+  <%=link_to "edit", edit_user_path(user) %> /
+  <%=link_to "delete", user_path(user), method: :delete %>
+  </p>
+<% end %>
+<p><%=link_to "Add New", new_user_path %></p>

app/views/users/new.html.erb

@@ -0,0 +1,10 @@
+<h1>New User</h1>
+
+<p><%=link_to 'Users', users_path %></p>
+
+<%= form_for @user do |f| %>
+  <%=render partial: 'form', locals: { f: f } %>
+  <p>Password:</p>
+  <p><%=f.password_field :password %></p>
+  <p><%=f.submit 'Create' %></p>
+<% end %>

app/views/users/show.html.erb

@@ -0,0 +1,6 @@
+<h1>Profile</h1>
+
+<p><%=link_to 'Users', users_path %></p>
+
+<p><%=@user.first_name %> <%=@user.last_name %></p>
+<p><%=link_to "edit", edit_user_path(@user) %> / <%=link_to "delete", user_path(@user), method: :delete %></p>

config/routes.rb

@@ -1,3 +1,5 @@
 Rails.application.routes.draw do
-  # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
+  root 'users#index'
+
+  resources :users
 end

db/migrate/20170320003346_create_users.rb

@@ -0,0 +1,11 @@
+class CreateUsers < ActiveRecord::Migration[5.0]
+  def change
+    create_table :users do |t|
+      t.string :first_name
+      t.string :last_name
+      t.string :email
+      t.string :password
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -0,0 +1,24 @@
+# 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: 20170320003346) do
+
+  create_table "users", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
+    t.string   "first_name"
+    t.string   "last_name"
+    t.string   "email"
+    t.string   "password"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+end

spec/controllers/users_controller_spec.rb

@@ -0,0 +1,85 @@
+require 'rails_helper'
+
+RSpec.describe UsersController, type: :controller do
+  render_views
+  let!(:user) { create(:user) }
+
+  context 'GET #index' do
+    it 'shows existing users' do
+      create(:user, first_name: 'Adrian')
+
+      visit users_path
+      expect(page).to have_content(user.first_name)
+      expect(page).to have_content('Adrian')
+    end
+  end
+
+  context 'user creation' do
+    it 'creates user with valid params' do
+      visit new_user_path
+
+      fill_in :user_first_name, with: 'Test'
+      fill_in :user_last_name, with: 'User'
+      fill_in :user_password, with: 'password'
+      click_on 'Create'
+
+      expect(page.current_path).to eq(user_path(User.last))
+      expect(page).to have_content('Test User')
+    end
+
+    it 'doesn\'t save user without required params' do
+      visit new_user_path
+
+      click_on 'Create'
+
+      expect(page.current_path).to eq(users_path)
+      expect(page).to have_content('First name can\'t be blank')
+      expect(page).to have_content('Last name can\'t be blank')
+      expect(page).to have_content('Password can\'t be blank')
+    end
+  end
+
+  context 'update user' do
+    it 'updates user with valid params' do
+      visit edit_user_path(user)
+
+      fill_in :user_first_name, with: 'Adrian'
+      fill_in :user_last_name, with: 'Lewis'
+      click_on 'Update'
+
+      user.reload
+      expect(user.first_name).to eq('Adrian')
+      expect(user.last_name).to eq('Lewis')
+    end
+
+    it 'validates user params on update' do
+      visit edit_user_path(user)
+
+      fill_in :user_first_name, with: ''
+      fill_in :user_last_name, with: ''
+      click_on 'Update'
+
+      expect(page).to have_content('First name can\'t be blank')
+      expect(page).to have_content('Last name can\'t be blank')
+    end
+  end
+
+  context 'GET #show' do
+    it 'shows user\'s profile' do
+      visit user_path(user)
+
+      expect(page).to have_content(user.first_name)
+      expect(page).to have_content(user.last_name)
+    end
+  end
+
+  context 'DELETE #destroy' do
+    it 'removes user' do
+      visit users_path
+      click_on 'delete'
+
+      expect(page.current_path).to eq(users_path)
+      expect(User.count).to eq(0)
+    end
+  end
+end

spec/factories/users.rb

@@ -0,0 +1,7 @@
+FactoryGirl.define do
+  factory :user do
+    sequence(:first_name) { |n| "Phil#{n}" }
+    sequence(:last_name) { |n| "Taylor#{n}" }
+    password 'Password'
+  end
+end

spec/helpers/users_helper_spec.rb

@@ -0,0 +1,15 @@
+require 'rails_helper'
+
+# Specs in this file have access to a helper object that includes
+# the UsersHelper. For example:
+#
+# describe UsersHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       expect(helper.concat_strings("this","that")).to eq("this that")
+#     end
+#   end
+# end
+RSpec.describe UsersHelper, type: :helper do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/models/user_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe User, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/rails_helper.rb

@@ -27,9 +27,6 @@
 ActiveRecord::Migration.maintain_test_schema!
 
 RSpec.configure do |config|
-  # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
-  config.fixture_path = "#{::Rails.root}/spec/fixtures"
-
   # If you're not using ActiveRecord, or you'd prefer not to run each of your
   # examples within a transaction, remove the following line or assign false
   # instead of true.

spec/spec_helper.rb

@@ -3,11 +3,9 @@
 require 'capybara/rspec'
 
 RSpec.configure do |config|
-  if defined?(ActiveRecord)
-    config.around(:each) do |example|
-      DatabaseCleaner.cleaning do
-        example.run
-      end
+  config.around(:each) do |example|
+    DatabaseCleaner.cleaning do
+      example.run
     end
   end
 
@@ -24,3 +22,4 @@
 
   config.shared_context_metadata_behavior = :apply_to_host_groups
 end
+DatabaseCleaner[:active_record].strategy = :transaction