소개

Gem 도입

group :development, :test do
  gem 'rspec-rails'
  gem 'factory_bot_rails'
  gem 'faker', "~> 2.8"
end

Rspec 설정

create  .rspec
create  spec
create  spec/spec_helper.rb
create  spec/rails_helper.rb

.rspc
--format documentation

코드 작성

require 'rails_helper'

describe User do
  describe '#create' do

    it "usernameとemail,passwordとpassword_comnfirmationが存在すれば登録できること" do
      user = build(:user)
      expect(user).to be_valid
    end

    it  "usernameがない場合は登録できないこと" do 
      user = build(:user, username: nil)
      user.valid?
      expect(user.errors[:username]).to include("can't be blank")
    end

    it  "emailがない場合は登録できないこと" do 
      user = build(:user, email: nil)
      user.valid?
      expect(user.errors[:email]).to include("can't be blank")
    end

    it  "passwordがない場合は登録できないこと" do 
      user = build(:user, password: nil)
      user.valid?
      expect(user.errors[:password]).to include("can't be blank")
    end

    it  "passwordが存在してもpassword_confirmationがない場合は登録できないこと" do 
      user = build(:user, password_confirmation: "")
      user.valid?
      expect(user.errors[:password_confirmation]).to include("doesn't match Password")
    end

    it  "重複したemailがある場合は登録できないこと" do
      user = create(:user)
      another_user = build(:user, email: user.email)
      another_user.valid?
      expect(another_user.errors[:email]).to include("has already been taken")
    end

    it  "passwordが６文字以上であれば登録できること" do
      user = build(:user, password: "000000", password_confirmation: "000000")
      expect(user).to be_valid
    end

    it  "passwordが5文字以下であれば登録できないこと" do
      user = build(:user, password: "00000", password_confirmation: "00000")
      user.valid?
      expect(user.errors[:password]).to include("is too short (minimum is 6 characters)")
    end:grin:

  end
end

FactoryBot.define do
  factory :user do
    username                 {"aaa"}
    password                 {"000000"}
    password_confirmation    {"000000"}
    sequence(:email)     {Faker::Internet.email}
  end
end

8 examples, 0 failures

결론