wblog/spec/factories/comments.rb

FactoryBot.define do
  factory :comment do
    content { 'content' * 10 }
    name { 'commentor' }
    email { 'tester@xx.com' }
    association :post
  end

  factory :comment_no_post, class: Comment do
    content { 'content' * 10 }
    name { 'commentor' }
    email { 'tester@xx.com' }
  end
end