rails/activejob/test/jobs/application_job.rb

class ApplicationJob < ActiveJob::Base
end
use `descendants` to get class that inherited `ActiveJob::Base` `subclasses` get only child classes. Therefore, if create a job common parent class as `ApplicationJob`, inherited class does not get properly. 2016-09-05 00:13:24 +00:00			`class ApplicationJob < ActiveJob::Base`
			`end`