モデル単体のテストコード（factorybot）

User
  #create
    ユーザー新規登録
      新規登録できるとき
        全ての項目の入力が存在すれば登録できる
      新規登録できないとき
        nicknameが空では登録できない
        emailが空では登録できない
        passwordが空では登録できない
        passwordとpassword_confirmationが不一致では登録できない
        重複したemailが存在する場合は登録できない
        emailは@を含まないと登録できない
        passwordが5文字以下では登録できない
        passwordが英語のみでは登録できない (FAILED - 1)
        passwordが数字のみでは登録できない (FAILED - 2)
        surname_kanjiが空では登録できない (FAILED - 3)
        first_name_kanjiが空では登録できない (FAILED - 4)
        surname_kanaが空では登録できない (FAILED - 5)
        first_name_kanaが空では登録できない (FAILED - 6)
        surname_kanjiが全角入力でなければ登録できない (FAILED - 7)
        first_name_kanjiが全角入力でなければ登録できない (FAILED - 8)
        surname_kana_kanaが全角入力でなければ登録できない (FAILED - 9)
        first_name_kanaが全角入力でなければ登録できない (FAILED - 10)
        date_of_birthが空では登録できない (FAILED - 11)

Failures:

  1) User#create ユーザー新規登録 新規登録できないとき passwordが英語のみでは登録できない
     Failure/Error: expect(@user.errors.full_messages).to include('Password Include both letters and numbers')
       expected ["Password confirmation doesn't match Password", "Password is invalid"] to include "Password Include both letters and numbers"
     # ./spec/models/user_spec.rb:59:in `block (5 levels) in <top (required)>'

  2) User#create ユーザー新規登録 新規登録できないとき passwordが数字のみでは登録できない
     Failure/Error: expect(@user.errors.full_messages).to include('Password Include both letters and numbers')
       expected ["Password confirmation doesn't match Password", "Password is invalid"] to include "Password Include both letters and numbers"
     # ./spec/models/user_spec.rb:64:in `block (5 levels) in <top (required)>'

  3) User#create ユーザー新規登録 新規登録できないとき surname_kanjiが空では登録できない
     Failure/Error: expect(@user.errors.full_messages).to include("surnamekanji can't be blank")
       expected ["Surname kanji can't be blank", "Surname kanji is invalid"] to include "surnamekanji can't be blank"
     # ./spec/models/user_spec.rb:69:in `block (5 levels) in <top (required)>'

  4) User#create ユーザー新規登録 新規登録できないとき first_name_kanjiが空では登録できない
     Failure/Error: expect(@user.errors.full_messages).to include("firstname_kanji can't be blank")
       expected ["First name kanji can't be blank", "First name kanji is invalid"] to include "firstname_kanji can't be blank"
     # ./spec/models/user_spec.rb:74:in `block (5 levels) in <top (required)>'

  5) User#create ユーザー新規登録 新規登録できないとき surname_kanaが空では登録できない
     Failure/Error: expect(@user.errors.full_messages).to include("surname_kana can't be blank")
       expected ["Surname kana can't be blank", "Surname kana is invalid"] to include "surname_kana can't be blank"
     # ./spec/models/user_spec.rb:79:in `block (5 levels) in <top (required)>'

  6) User#create ユーザー新規登録 新規登録できないとき first_name_kanaが空では登録できない
     Failure/Error: expect(@user.errors.full_messages).to include("first_name_kana can't be blank")
       expected ["First name kana can't be blank", "First name kana is invalid"] to include "first_name_kana can't be blank"
     # ./spec/models/user_spec.rb:84:in `block (5 levels) in <top (required)>'

  7) User#create ユーザー新規登録 新規登録できないとき surname_kanjiが全角入力でなければ登録できない
     Failure/Error: expect(@user.errors.full_messages).to include("surname_kanji Full-width characters")
       expected ["Surname kanji is invalid"] to include "surname_kanji Full-width characters"
     # ./spec/models/user_spec.rb:89:in `block (5 levels) in <top (required)>'

  8) User#create ユーザー新規登録 新規登録できないとき first_name_kanjiが全角入力でなければ登録できない
     Failure/Error: expect(@user.errors.full_messages).to include("first_name_kanji Full-width characters")
       expected ["First name kanji is invalid"] to include "first_name_kanji Full-width characters"
     # ./spec/models/user_spec.rb:94:in `block (5 levels) in <top (required)>'

  9) User#create ユーザー新規登録 新規登録できないとき surname_kana_kanaが全角入力でなければ登録できない
     Failure/Error: expect(@user.errors.full_messages).to include("surname_kana Full-width characters")
       expected ["Surname kana is invalid"] to include "surname_kana Full-width characters"
     # ./spec/models/user_spec.rb:99:in `block (5 levels) in <top (required)>'

  10) User#create ユーザー新規登録 新規登録できないとき first_name_kanaが全角入力でなければ登録できない
      Failure/Error: expect(@user.errors.full_messages).to include("first_name_kana Full-width characters")
        expected ["First name kana is invalid"] to include "first_name_kana Full-width characters"
      # ./spec/models/user_spec.rb:104:in `block (5 levels) in <top (required)>'

  11) User#create ユーザー新規登録 新規登録できないとき date_of_birthが空では登録できない
      Failure/Error: expect(@user.errors.full_messages).to include("date_of_birth can't be blank")
        expected ["Date of birth can't be blank"] to include "date_of_birth can't be blank"
      # ./spec/models/user_spec.rb:109:in `block (5 levels) in <top (required)>'

require 'rails_helper'

RSpec.describe User, type: :model do
  describe '#create' do
  before do
    @user = FactoryBot.build(:user)
  end


  describe 'ユーザー新規登録' do
    context '新規登録できるとき' do
      it '全ての項目の入力が存在すれば登録できる' do
      expect(@user).to be_valid 
      end
    end
    context '新規登録できないとき' do
    it 'nicknameが空では登録できない' do
      @user.nickname = ''
      @user.valid?
      expect(@user.errors.full_messages).to include("Nickname can't be blank")
    end
    it 'emailが空では登録できない' do
      @user.email = ''
      @user.valid?
      expect(@user.errors.full_messages).to include("Email can't be blank")
    end
    it 'passwordが空では登録できない' do
      @user.password = ''
      @user.valid?
      expect(@user.errors.full_messages).to include("Password can't be blank")
    end
    it 'passwordとpassword_confirmationが不一致では登録できない' do
      @user.password = '123456'
      @user.password_confirmation = '1234567'
      @user.valid?
      expect(@user.errors.full_messages).to include("Password confirmation doesn't match Password")
    end
    it '重複したemailが存在する場合は登録できない' do
      @user.save
      another_user = FactoryBot.build(:user, email: @user.email)
      another_user.email = @user.email
      another_user.valid?
      expect(another_user.errors.full_messages).to include('Email has already been taken')
    end
    it 'emailは@を含まないと登録できない' do
      @user.email = 'testmail'
      @user.valid?
      expect(@user.errors.full_messages).to include('Email is invalid')
    end
    it 'passwordが5文字以下では登録できない' do
      @user.password = '00000'
      @user.password_confirmation = '00000'
      @user.valid?
      expect(@user.errors.full_messages).to include('Password is too short (minimum is 6 characters)')
    end
    it 'passwordが英語のみでは登録できない' do
      @user.password = 'abcdef'
      @user.valid?
      expect(@user.errors.full_messages).to include('Password Include both letters and numbers')
    end
    it 'passwordが数字のみでは登録できない' do
      @user.password = '123456'
      @user.valid?
      expect(@user.errors.full_messages).to include('Password Include both letters and numbers')
    end
    it 'surname_kanjiが空では登録できない' do
      @user.surname_kanji = ''
      @user.valid?
      expect(@user.errors.full_messages).to include("surnamekanji can't be blank")
    end
    it 'first_name_kanjiが空では登録できない' do
      @user.first_name_kanji = ''
      @user.valid?
      expect(@user.errors.full_messages).to include("firstname_kanji can't be blank")
    end
    it 'surname_kanaが空では登録できない' do
      @user.surname_kana = ''
      @user.valid?
      expect(@user.errors.full_messages).to include("surname_kana can't be blank")
    end
    it 'first_name_kanaが空では登録できない'do
      @user.first_name_kana = ''
      @user.valid?
      expect(@user.errors.full_messages).to include("first_name_kana can't be blank")
    end
    it 'surname_kanjiが全角入力でなければ登録できない'do
      @user.surname_kanji = 'ｱｱｱ'
      @user.valid?
      expect(@user.errors.full_messages).to include("surname_kanji Full-width characters")
    end
    it 'first_name_kanjiが全角入力でなければ登録できない'do
      @user.first_name_kanji = 'ｱｱｱ'
      @user.valid?
      expect(@user.errors.full_messages).to include("first_name_kanji Full-width characters")
    end
    it 'surname_kana_kanaが全角入力でなければ登録できない'do
      @user.surname_kana = 'あいうえお'
      @user.valid?
      expect(@user.errors.full_messages).to include("surname_kana Full-width characters")
    end
    it 'first_name_kanaが全角入力でなければ登録できない'do
      @user.first_name_kana = 'あいうえお'
      @user.valid?
      expect(@user.errors.full_messages).to include("first_name_kana Full-width characters")
    end
    it 'date_of_birthが空では登録できない' do
      @user.date_of_birth = ''
      @user.valid?
      expect(@user.errors.full_messages).to include("date_of_birth can't be blank")
    end
  end
end
end
end

#バリデーション
class User < ApplicationRecord
  # Include default devise modules. Others available are:
  # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :validatable

  has_many :items
  has_many :purchases

  validates :nickname,           presence: true

  VALID_PASSWORD_REGEX = /\A(?=.*?[a-z])(?=.*?[\d])[a-z\d]+\z/i.freeze
  validates :password, format: { with: VALID_PASSWORD_REGEX }
  validates :surname_kanji,      presence: true, format: { with: /\A[ぁ-んァ-ン一-龥]/ }
  validates :first_name_kanji,   presence: true, format: { with: /\A[ぁ-んァ-ン一-龥]/ }
  validates :surname_kana ,      presence: true, format: { with: /\A[ァ-ヶー－]+\z/ }
  validates :first_name_kana,    presence: true, format: { with: /\A[ァ-ヶー－]+\z/ } 
  validates :date_of_birth,      presence: true
end