Decouple acceptance of invitations from query

- should not mutate and ask as part of if query

app/controllers/concerns/accepts_pending_invitations.rb

@@ -6,7 +6,8 @@ module AcceptsPendingInvitations
   def accept_pending_invitations
     return unless resource.active_for_authentication?
 
-    if resource.accept_pending_invitations!.any?
+    if resource.pending_invitations.load.any?
+      resource.accept_pending_invitations!
       clear_stored_location_for_resource
       after_pending_invitations_hook
     end

app/models/email.rb

@@ -22,7 +22,7 @@ class Email < ApplicationRecord
 
   self.reconfirmable = false # currently email can't be changed, no need to reconfirm
 
-  delegate :username, :can?, to: :user
+  delegate :username, :can?, :pending_invitations, :accept_pending_invitations!, to: :user
 
   def email=(value)
     write_attribute(:email, value.downcase.strip)
@@ -32,10 +32,6 @@ class Email < ApplicationRecord
     self.errors.add(:email, 'has already been taken') if User.exists?(email: self.email)
   end
 
-  def accept_pending_invitations!
-    user.accept_pending_invitations!
-  end
-
   def validate_email_format
     self.errors.add(:email, I18n.t(:invalid, scope: 'valid_email.validations.email')) unless ValidateEmail.valid?(self.email)
   end

spec/features/users/add_email_to_existing_account_spec.rb

@@ -4,13 +4,25 @@ require 'spec_helper'
 
 RSpec.describe 'AdditionalEmailToExistingAccount' do
   describe 'add secondary email associated with account' do
-    let(:user) { create(:user) }
+    let_it_be(:user) { create(:user) }
+    let_it_be(:email) { create(:email, user: user) }
 
-    it 'verifies confirmation of additional email' do
+    before do
       sign_in(user)
+    end
+
+    it 'verifies confirmation of additional email' do
+      visit email_confirmation_path(confirmation_token: email.confirmation_token)
+
+      expect(page).to have_content 'Your email address has been successfully confirmed.'
+    end
+
+    it 'accepts any pending invites for an email confirmation' do
+      member = create(:group_member, :invited, invite_email: email.email)
 
-      email = create(:email, user: user)
       visit email_confirmation_path(confirmation_token: email.confirmation_token)
+
+      expect(member.reload.user).to eq(user)
       expect(page).to have_content 'Your email address has been successfully confirmed.'
     end
   end

spec/models/email_spec.rb

@@ -44,12 +44,11 @@ RSpec.describe Email do
     end
   end
 
-  describe 'delegation' do
-    let(:user) { create(:user) }
-
-    it 'delegates to :user' do
-      expect(build(:email, user: user).username).to eq user.username
-    end
+  describe 'delegations' do
+    it { is_expected.to delegate_method(:can?).to(:user) }
+    it { is_expected.to delegate_method(:username).to(:user) }
+    it { is_expected.to delegate_method(:pending_invitations).to(:user) }
+    it { is_expected.to delegate_method(:accept_pending_invitations!).to(:user) }
   end
 
   describe 'Devise emails' do