add more tests to models

spec/models/user_spec.rb

@@ -1,5 +1,49 @@
 require 'rails_helper'
 
 RSpec.describe User, type: :model do
+  describe 'validations' do
+    it 'is invalid without an account' do
+      user = Fabricate.build(:user, account: nil)
+      user.valid?
+      expect(user).to model_have_error_on_field(:account)
+    end
 
+    it 'is invalid without a valid locale' do
+      user = Fabricate.build(:user, locale: 'toto')
+      user.valid?
+      expect(user).to model_have_error_on_field(:locale)
+    end
+
+    it 'is invalid without a valid email' do
+      user = Fabricate.build(:user, email: 'john@')
+      user.valid?
+      expect(user).to model_have_error_on_field(:email)
+    end
+  end
+
+  describe 'scopes' do
+    describe 'recent' do
+      it 'returns an array of recent users ordered by id' do
+        user_1 = Fabricate(:user)
+        user_2 = Fabricate(:user)
+        expect(User.recent).to match_array([user_2, user_1])
+      end
+    end
+
+    describe 'admins' do
+      it 'returns an array of users who are admin' do
+        user_1 = Fabricate(:user, admin: false)
+        user_2 = Fabricate(:user, admin: true)
+        expect(User.admins).to match_array([user_2])
+      end
+    end
+
+    describe 'confirmed' do
+      it 'returns an array of users who are confirmed' do
+        user_1 = Fabricate(:user, confirmed_at: nil)
+        user_2 = Fabricate(:user, confirmed_at: Time.now)
+        expect(User.confirmed).to match_array([user_2])
+      end
+    end
+  end
 end