Make a basic model (Including secure passwords)

Gemfile

 source "https://rubygems.org"
 source "https://rubygems.org"
 
 
 gem "rails",        "5.1.6"
 gem "rails",        "5.1.6"
+gem 'bcrypt',      "3.1.12"
 gem "bootstrap-sass", "3.3.7"
 gem "bootstrap-sass", "3.3.7"
 gem "puma",         "3.9.1"
 gem "puma",         "3.9.1"
 gem "sass-rails",   "5.0.6"
 gem "sass-rails",   "5.0.6"

Gemfile.lock

@@ -42,6 +42,7 @@ GEM
     arel (8.0.0)
     arel (8.0.0)
     autoprefixer-rails (9.7.1)
     autoprefixer-rails (9.7.1)
       execjs
       execjs
+    bcrypt (3.1.12)
     bindex (0.8.1)
     bindex (0.8.1)
     bootstrap-sass (3.3.7)
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
       autoprefixer-rails (>= 5.2.1)
@@ -202,6 +203,7 @@ PLATFORMS
   ruby
   ruby
 
 
 DEPENDENCIES
 DEPENDENCIES
+  bcrypt (= 3.1.12)
   bootstrap-sass (= 3.3.7)
   bootstrap-sass (= 3.3.7)
   byebug (= 9.0.6)
   byebug (= 9.0.6)
   coffee-rails (= 4.2.2)
   coffee-rails (= 4.2.2)

app/models/user.rb

 class User < ApplicationRecord
 class User < ApplicationRecord
+  before_save { self.email = email.downcase }
   validates :name,  presence: true, length: { maximum: 50 }
   validates :name,  presence: true, length: { maximum: 50 }
   VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
   VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
   validates :email, presence: true, length: { maximum: 255 },
   validates :email, presence: true, length: { maximum: 255 },
   format: { with: VALID_EMAIL_REGEX },
   format: { with: VALID_EMAIL_REGEX },
   uniqueness: { case_sensitive: false }
   uniqueness: { case_sensitive: false }
+  has_secure_password
+  validates :password, presence: true, length: { minimum: 6 }
 end
 end

db/migrate/20191108084253_add_index_to_users_email.rb

+class AddIndexToUsersEmail < ActiveRecord::Migration[5.0]
+  def change
+    add_index :users, :email, unique: true
+  end
+end

db/migrate/20191108085254_add_password_digest_to_users.rb

+class AddPasswordDigestToUsers < ActiveRecord::Migration[5.1]
+  def change
+    add_column :users, :password_digest, :string
+  end
+end

db/schema.rb

@@ -10,13 +10,15 @@
 #
 #
 # It's strongly recommended that you check this file into your version control system.
 # It's strongly recommended that you check this file into your version control system.
 
 
-ActiveRecord::Schema.define(version: 20191108013337) do
+ActiveRecord::Schema.define(version: 20191108085254) do
 
 
   create_table "users", force: :cascade do |t|
   create_table "users", force: :cascade do |t|
     t.string "name"
     t.string "name"
     t.string "email"
     t.string "email"
     t.datetime "created_at", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.datetime "updated_at", null: false
+    t.string "password_digest"
+    t.index ["email"], name: "index_users_on_email", unique: true
   end
   end
 
 
 end
 end

test/fixtures/users.yml

-# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+#  empty
 
 
-one:
-  name: MyString
-  email: MyString
-
-two:
-  name: MyString
-  email: MyString

test/models/user_test.rb

@@ -2,7 +2,8 @@ require "test_helper"
 
 
 class UserTest < ActiveSupport::TestCase
 class UserTest < ActiveSupport::TestCase
   def setup
   def setup
-    @user = User.new(name: "Example User", email: "user@example.com")
+    @user = User.new(name: "Example User", email: "user@example.com",
+    password: "foobar", password_confirmation: "foobar")
   end
   end
 
 
   test "should be valid" do
   test "should be valid" do
@@ -50,4 +51,21 @@ class UserTest < ActiveSupport::TestCase
     @user.save
     @user.save
     assert_not duplicate_user.valid?
     assert_not duplicate_user.valid?
   end
   end
+
+  test "email addresses should be saved as lower-case" do
+    mixed_case_email = "Foo@ExAMPle.CoM"
+    @user.email = mixed_case_email
+    @user.save
+    assert_equal mixed_case_email.downcase, @user.reload.email
+  end
+
+  test "password should be present (nonblank)" do
+    @user.password = @user.password_confirmation = " " * 6
+    assert_not @user.valid?
+  end
+
+  test "password should have a minimum length" do
+    @user.password = @user.password_confirmation = "a" * 5
+    assert_not @user.valid?
+  end
 end
 end