repository_check_mailer_spec.rb

require 'rails_helper'

describe RepositoryCheckMailer do
  include EmailSpec::Matchers

  describe '.notify' do
    it 'emails all admins' do
      admins = create_list(:admin, 3)

      mail = described_class.notify(1)

      expect(mail).to deliver_to admins.map(&:email)
    end

    it 'mentions the number of failed checks' do
      mail = described_class.notify(3)

      expect(mail).to have_subject 'GitLab Admin | 3 projects failed their last repository check'
    end
  end
end