メールアドレスの体をなしてること

Author: lime1024

app/models/user.rb

@@ -5,5 +5,7 @@ class User < ApplicationRecord
   has_many :payees, dependent: :destroy
 
   validates :name, presence: true
-  validates :email, presence: true, uniqueness: true
+  validates :email, presence: true, uniqueness: true, format: {
+    with: /[\w\-._]+@[\w\-._]+\.[A-Za-z]/
+  }
 end

spec/models/user_spec.rb

@@ -0,0 +1,12 @@
+require 'rails_helper'
+
+RSpec.describe User, type: :model do
+  describe 'email_validates' do
+    context 'email がフォーマット通りではない場合' do
+      it '登録できないこと' do
+        user = described_class.new(name: 'はまち', email: 'aaaaaaaaaaaaa', password: 'password')
+        expect(user).to_not be_valid
+      end
+    end
+  end
+end