activejob/test/cases/queue_priority_test.rb


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require "helper"
require "jobs/hello_job"

class QueuePriorityTest < ActiveSupport::TestCase
  test "priority unset by default" do
    assert_equal nil, HelloJob.priority
  end

  test "uses given priority" do
    original_priority = HelloJob.priority

    begin
      HelloJob.queue_with_priority 90
      assert_equal 90, HelloJob.new.priority
    ensure
      HelloJob.priority = original_priority
    end
  end

  test "evals block given to priority to determine priority" do
    original_priority = HelloJob.priority

    begin
      HelloJob.queue_with_priority { 25 }
      assert_equal 25, HelloJob.new.priority
    ensure
      HelloJob.priority = original_priority
    end
  end

  test "can use arguments to determine priority in priority block" do
    original_priority = HelloJob.priority

    begin
      HelloJob.queue_with_priority { self.arguments.first=="1" ? 99 : 11 }
      assert_equal 99, HelloJob.new("1").priority
      assert_equal 11, HelloJob.new("3").priority
    ensure
      HelloJob.priority = original_priority
    end
  end

  test "uses priority passed to #set" do
    job = HelloJob.set(priority: 123).perform_later
    assert_equal 123, job.priority
  end
end