require File.dirname(__FILE__) + '/test_helper'

context "Resque::Scheduler" do

  setup do
    Resque::Scheduler.dynamic = false
    Resque.redis.flushall
    Resque::Scheduler.mute = true
    Resque::Scheduler.clear_schedule!
    Resque::Scheduler.send(:class_variable_set, :@@scheduled_jobs, {})
  end

  test "enqueue constantizes" do
    # The job should be loaded, since a missing rails_env means ALL envs.
    ENV['RAILS_ENV'] = 'production'
    config = {'cron' => "* * * * *", 'class' => 'SomeRealClass', 'args' => "/tmp"}
    Resque::Job.expects(:create).with(SomeRealClass.queue, SomeRealClass, '/tmp')
    Resque::Scheduler.enqueue_from_config(config)
  end

  test "enqueue runs hooks" do
    # The job should be loaded, since a missing rails_env means ALL envs.
    ENV['RAILS_ENV'] = 'production'
    config = {'cron' => "* * * * *", 'class' => 'SomeRealClass', 'args' => "/tmp"}

    Resque::Job.expects(:create).with(SomeRealClass.queue, SomeRealClass, '/tmp')
    SomeRealClass.expects(:before_delayed_enqueue_example).with("/tmp")
    SomeRealClass.expects(:before_enqueue_example).with("/tmp")
    SomeRealClass.expects(:after_enqueue_example).with("/tmp")

    Resque::Scheduler.enqueue_from_config(config)
  end

  test "enqueue_from_config respects queue params" do
    config = {'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'queue' => 'high'}

    Resque.expects(:enqueue_to).with('high', SomeIvarJob)

    Resque::Scheduler.enqueue_from_config(config)
  end

  test "config makes it into the rufus_scheduler" do
    assert_equal(0, Resque::Scheduler.rufus_scheduler.all_jobs.size)

    Resque.schedule = {:some_ivar_job => {'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp"}}
    Resque::Scheduler.load_schedule!

    assert_equal(1, Resque::Scheduler.rufus_scheduler.all_jobs.size)
    assert Resque::Scheduler.scheduled_jobs.include?('some_ivar_job')
  end

  test "can reload schedule" do
    Resque::Scheduler.dynamic = true
    Resque.schedule = {"some_ivar_job" => {'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp"}}

    Resque::Scheduler.load_schedule!

    assert_equal(1, Resque::Scheduler.rufus_scheduler.all_jobs.size)
    assert Resque::Scheduler.scheduled_jobs.include?("some_ivar_job")

    Resque.redis.del(:schedules)
    Resque.redis.hset(:schedules, "some_ivar_job2", Resque.encode(
      'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/2"
    ))

    Resque::Scheduler.reload_schedule!

    assert_equal(1, Resque::Scheduler.rufus_scheduler.all_jobs.size)

    assert_equal '/tmp/2', Resque.schedule["some_ivar_job2"]["args"]
    assert Resque::Scheduler.scheduled_jobs.include?("some_ivar_job2")
  end

  test "load_schedule_job loads a schedule" do
    Resque::Scheduler.load_schedule_job("some_ivar_job", {'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp"})

    assert_equal(1, Resque::Scheduler.rufus_scheduler.all_jobs.size)
    assert_equal(1, Resque::Scheduler.scheduled_jobs.size)
    assert Resque::Scheduler.scheduled_jobs.keys.include?("some_ivar_job")
  end

  test "load_schedule_job with every with options" do
    Resque::Scheduler.load_schedule_job("some_ivar_job", {'every' => ['30s', {'first_in' => '60s'}], 'class' => 'SomeIvarJob', 'args' => "/tmp"})

    assert_equal(1, Resque::Scheduler.rufus_scheduler.all_jobs.size)
    assert_equal(1, Resque::Scheduler.scheduled_jobs.size)
    assert Resque::Scheduler.scheduled_jobs.keys.include?("some_ivar_job")
    assert Resque::Scheduler.scheduled_jobs["some_ivar_job"].params.keys.include?(:first_in)
  end

  test "load_schedule_job with cron with options" do
    Resque::Scheduler.load_schedule_job("some_ivar_job", {'cron' => ['* * * * *', {'allow_overlapping' => 'true'}], 'class' => 'SomeIvarJob', 'args' => "/tmp"})

    assert_equal(1, Resque::Scheduler.rufus_scheduler.all_jobs.size)
    assert_equal(1, Resque::Scheduler.scheduled_jobs.size)
    assert Resque::Scheduler.scheduled_jobs.keys.include?("some_ivar_job")
    assert Resque::Scheduler.scheduled_jobs["some_ivar_job"].params.keys.include?(:allow_overlapping)
  end

  test "load_schedule_job without cron" do
    Resque::Scheduler.load_schedule_job("some_ivar_job", {'class' => 'SomeIvarJob', 'args' => "/tmp"})

    assert_equal(0, Resque::Scheduler.rufus_scheduler.all_jobs.size)
    assert_equal(0, Resque::Scheduler.scheduled_jobs.size)
    assert !Resque::Scheduler.scheduled_jobs.keys.include?("some_ivar_job")
  end

  test "load_schedule_job with an empty cron" do
    Resque::Scheduler.load_schedule_job("some_ivar_job", {'cron' => '', 'class' => 'SomeIvarJob', 'args' => "/tmp"})

    assert_equal(0, Resque::Scheduler.rufus_scheduler.all_jobs.size)
    assert_equal(0, Resque::Scheduler.scheduled_jobs.size)
    assert !Resque::Scheduler.scheduled_jobs.keys.include?("some_ivar_job")
  end

  test "update_schedule" do
    Resque::Scheduler.dynamic = true
    Resque.schedule = {
      "some_ivar_job"    => {'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp"},
      "another_ivar_job" => {'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/5"},
      "stay_put_job"     => {'cron' => "* * * * *", 'class' => 'SomeJob', 'args' => "/tmp"}
    }

    Resque::Scheduler.load_schedule!

    Resque.set_schedule("some_ivar_job",
      {'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/2"}
    )
    Resque.set_schedule("new_ivar_job",
      {'cron' => "* * * * *", 'class' => 'SomeJob', 'args' => "/tmp/3"}
    )
    Resque.set_schedule("stay_put_job",
      {'cron' => "* * * * *", 'class' => 'SomeJob', 'args' => "/tmp"}
    )
    Resque.remove_schedule("another_ivar_job")

    Resque::Scheduler.update_schedule

    assert_equal(3, Resque::Scheduler.rufus_scheduler.all_jobs.size)
    assert_equal(3, Resque::Scheduler.scheduled_jobs.size)
    %w(some_ivar_job new_ivar_job stay_put_job).each do |job_name|
      assert Resque::Scheduler.scheduled_jobs.keys.include?(job_name)
      assert Resque.schedule.keys.include?(job_name)
    end
    assert !Resque::Scheduler.scheduled_jobs.keys.include?("another_ivar_job")
    assert !Resque.schedule.keys.include?("another_ivar_job")
    assert_equal 0, Resque.redis.scard(:schedules_changed)
  end

  test "update_schedule with mocks" do
    Resque::Scheduler.dynamic = true
    Resque.schedule = {
      "some_ivar_job" => {'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp"},
      "another_ivar_job"  => {'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/5"},
      "stay_put_job"  => {'cron' => "* * * * *", 'class' => 'SomeJob', 'args' => "/tmp"}
    }

    Resque::Scheduler.load_schedule!

    Resque::Scheduler.rufus_scheduler.expects(:unschedule).with(Resque::Scheduler.scheduled_jobs["some_ivar_job"].job_id)
    Resque::Scheduler.rufus_scheduler.expects(:unschedule).with(Resque::Scheduler.scheduled_jobs["another_ivar_job"].job_id)

    Resque.set_schedule("some_ivar_job",
      {'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/2"}
    )
    Resque.set_schedule("new_ivar_job",
      {'cron' => "* * * * *", 'class' => 'SomeJob', 'args' => "/tmp/3"}
    )
    Resque.set_schedule("stay_put_job",
      {'cron' => "* * * * *", 'class' => 'SomeJob', 'args' => "/tmp"}
    )
    Resque.remove_schedule("another_ivar_job")

    Resque::Scheduler.update_schedule

    assert_equal(3, Resque::Scheduler.scheduled_jobs.size)
    %w(some_ivar_job new_ivar_job stay_put_job).each do |job_name|
      assert Resque::Scheduler.scheduled_jobs.keys.include?(job_name)
      assert Resque.schedule.keys.include?(job_name)
    end
    assert !Resque::Scheduler.scheduled_jobs.keys.include?("another_ivar_job")
    assert !Resque.schedule.keys.include?("another_ivar_job")
    assert_equal 0, Resque.redis.scard(:schedules_changed)
  end

  test "schedule= sets the schedule" do
    Resque::Scheduler.dynamic = true
    Resque.schedule = {"my_ivar_job" => {
      'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/75"
    }}
    assert_equal({'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/75"},
      Resque.decode(Resque.redis.hget(:schedules, "my_ivar_job")))
  end

  test "schedule= removes schedules not present in the given schedule argument" do
    Resque::Scheduler.dynamic = true

    Resque.schedule = {"old_job" => {'cron' => "* * * * *", 'class' => 'OldJob'}}
    assert_equal({"old_job" => {'cron' => "* * * * *", 'class' => 'OldJob'}}, Resque.schedule)

    Resque.schedule = {"new_job" => {'cron' => "* * * * *", 'class' => 'NewJob'}}
    Resque.reload_schedule!
    assert_equal({"new_job" => {'cron' => "* * * * *", 'class' => 'NewJob'}}, Resque.schedule)
  end

  test "schedule= uses job name as 'class' argument if it's missing" do
    Resque::Scheduler.dynamic = true
    Resque.schedule = {"SomeIvarJob" => {
      'cron' => "* * * * *", 'args' => "/tmp/75"
    }}
    assert_equal({'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/75"},
      Resque.decode(Resque.redis.hget(:schedules, "SomeIvarJob")))
    assert_equal('SomeIvarJob', Resque.schedule['SomeIvarJob']['class'])
  end

  test "schedule= does not mutate argument" do
    schedule = {"SomeIvarJob" => {
      'cron' => "* * * * *", 'args' => "/tmp/75"
    }}
    Resque.schedule = schedule
    assert !schedule['SomeIvarJob'].key?('class')
  end

  test "set_schedule can set an individual schedule" do
    Resque.set_schedule("some_ivar_job", {
      'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/22"
    })
    assert_equal({'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/22"},
      Resque.decode(Resque.redis.hget(:schedules, "some_ivar_job")))
    assert Resque.redis.sismember(:schedules_changed, "some_ivar_job")
  end

  test "get_schedule returns a schedule" do
    Resque.redis.hset(:schedules, "some_ivar_job2", Resque.encode(
      'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/33"
    ))
    assert_equal({'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/33"},
      Resque.get_schedule("some_ivar_job2"))
  end

  test "remove_schedule removes a schedule" do
    Resque.redis.hset(:schedules, "some_ivar_job3", Resque.encode(
      'cron' => "* * * * *", 'class' => 'SomeIvarJob', 'args' => "/tmp/44"
    ))
    Resque.remove_schedule("some_ivar_job3")
    assert_equal nil, Resque.redis.hget(:schedules, "some_ivar_job3")
    assert Resque.redis.sismember(:schedules_changed, "some_ivar_job3")
  end

  test "adheres to lint" do
    assert_nothing_raised do
      Resque::Plugin.lint(Resque::Scheduler)
      Resque::Plugin.lint(ResqueScheduler)
    end
  end
end