rails/activejob/test/cases/test_case_test.rb

require "helper"
require "jobs/hello_job"
require "jobs/logging_job"
require "jobs/nested_job"

class ActiveJobTestCaseTest < ActiveJob::TestCase
  # this tests that this job class doesn't get its adapter set.
  # that's the correct behavior since we don't want to break
  # the `class_attribute` inheritance
  class TestClassAttributeInheritanceJob < ActiveJob::Base
    def self.queue_adapter=(*)
      raise "Attempting to break `class_attribute` inheritance, bad!"
    end
  end

  def test_include_helper
    assert_includes self.class.ancestors, ActiveJob::TestHelper
  end

  def test_set_test_adapter
    assert_kind_of ActiveJob::QueueAdapters::TestAdapter, queue_adapter
  end
end