require 'test_helper'

context 'Resque' do
  setup do
    Resque.redis.flushall

    Resque.push(:people,  'name' => 'chris')
    Resque.push(:people,  'name' => 'bob')
    Resque.push(:people,  'name' => 'mark')
    @original_redis = Resque.redis
  end

  teardown do
    Resque.redis = @original_redis
  end

  test 'can set a namespace through a url-like string' do
    assert Resque.redis
    assert_equal :resque, Resque.redis.namespace
    Resque.redis = 'localhost:9736/namespace'
    assert_equal 'namespace', Resque.redis.namespace
  end

  test 'redis= works correctly with a Redis::Namespace param' do
    new_redis = Redis.new(host: 'localhost', port: 9736)
    new_namespace = Redis::Namespace.new('namespace', redis: new_redis)
    Resque.redis = new_namespace
    assert_equal new_namespace, Resque.redis

    Resque.redis = 'localhost:9736/namespace'
  end

  test 'can put jobs on a queue' do
    assert Resque::Job.create(:jobs, 'SomeJob', 20, '/tmp')
    assert Resque::Job.create(:jobs, 'SomeJob', 20, '/tmp')
  end

  test 'can grab jobs off a queue' do
    Resque::Job.create(:jobs, 'some-job', 20, '/tmp')

    job = Resque.reserve(:jobs)

    assert_kind_of Resque::Job, job
    assert_equal SomeJob, job.payload_class
    assert_equal 20, job.args[0]
    assert_equal '/tmp', job.args[1]
  end

  test 'can re-queue jobs' do
    Resque::Job.create(:jobs, 'some-job', 20, '/tmp')

    job = Resque.reserve(:jobs)
    job.recreate

    assert_equal job, Resque.reserve(:jobs)
  end

  test 'can put jobs on a queue by way of an ivar' do
    assert_equal 0, Resque.size(:ivar)
    assert Resque.enqueue(SomeIvarJob, 20, '/tmp')
    assert Resque.enqueue(SomeIvarJob, 20, '/tmp')

    job = Resque.reserve(:ivar)

    assert_kind_of Resque::Job, job
    assert_equal SomeIvarJob, job.payload_class
    assert_equal 20, job.args[0]
    assert_equal '/tmp', job.args[1]

    assert Resque.reserve(:ivar)
    assert_equal nil, Resque.reserve(:ivar)
  end

  test 'can remove jobs from a queue by way of an ivar' do
    assert_equal 0, Resque.size(:ivar)
    assert Resque.enqueue(SomeIvarJob, 20, '/tmp')
    assert Resque.enqueue(SomeIvarJob, 30, '/tmp')
    assert Resque.enqueue(SomeIvarJob, 20, '/tmp')
    assert Resque::Job.create(:ivar, 'blah-job', 20, '/tmp')
    assert Resque.enqueue(SomeIvarJob, 20, '/tmp')
    assert_equal 5, Resque.size(:ivar)

    assert Resque.dequeue(SomeIvarJob, 30, '/tmp')
    assert_equal 4, Resque.size(:ivar)
    assert Resque.dequeue(SomeIvarJob)
    assert_equal 1, Resque.size(:ivar)
  end

  test 'jobs have a nice #inspect' do
    assert Resque::Job.create(:jobs, 'SomeJob', 20, '/tmp')
    job = Resque.reserve(:jobs)
    assert_equal '(Job{jobs} | SomeJob | [20, "/tmp"])', job.inspect
  end

  test 'jobs can be destroyed' do
    assert Resque::Job.create(:jobs, 'SomeJob', 20, '/tmp')
    assert Resque::Job.create(:jobs, 'BadJob', 20, '/tmp')
    assert Resque::Job.create(:jobs, 'SomeJob', 20, '/tmp')
    assert Resque::Job.create(:jobs, 'BadJob', 30, '/tmp')
    assert Resque::Job.create(:jobs, 'BadJob', 20, '/tmp')

    assert_equal 5, Resque.size(:jobs)
    assert_equal 2, Resque::Job.destroy(:jobs, 'SomeJob')
    assert_equal 3, Resque.size(:jobs)
    assert_equal 1, Resque::Job.destroy(:jobs, 'BadJob', 30, '/tmp')
    assert_equal 2, Resque.size(:jobs)
  end

  test 'jobs can test for equality' do
    assert Resque::Job.create(:jobs, 'SomeJob', 20, '/tmp')
    assert Resque::Job.create(:jobs, 'some-job', 20, '/tmp')
    assert_equal Resque.reserve(:jobs), Resque.reserve(:jobs)

    assert Resque::Job.create(:jobs, 'SomeMethodJob', 20, '/tmp')
    assert Resque::Job.create(:jobs, 'SomeJob', 20, '/tmp')
    assert_not_equal Resque.reserve(:jobs), Resque.reserve(:jobs)

    assert Resque::Job.create(:jobs, 'SomeJob', 20, '/tmp')
    assert Resque::Job.create(:jobs, 'SomeJob', 30, '/tmp')
    assert_not_equal Resque.reserve(:jobs), Resque.reserve(:jobs)
  end

  test 'can put jobs on a queue by way of a method' do
    assert_equal 0, Resque.size(:method)
    assert Resque.enqueue(SomeMethodJob, 20, '/tmp')
    assert Resque.enqueue(SomeMethodJob, 20, '/tmp')

    job = Resque.reserve(:method)

    assert_kind_of Resque::Job, job
    assert_equal SomeMethodJob, job.payload_class
    assert_equal 20, job.args[0]
    assert_equal '/tmp', job.args[1]

    assert Resque.reserve(:method)
    assert_equal nil, Resque.reserve(:method)
  end

  test 'can define a queue for jobs by way of a method' do
    assert_equal 0, Resque.size(:method)
    assert Resque.enqueue_to(:new_queue, SomeMethodJob, 20, '/tmp')

    job = Resque.reserve(:new_queue)
    assert_equal SomeMethodJob, job.payload_class
    assert_equal 20, job.args[0]
    assert_equal '/tmp', job.args[1]
  end

  test 'needs to infer a queue with enqueue' do
    assert_raises Resque::NoQueueError do
      Resque.enqueue(SomeJob, 20, '/tmp')
    end
  end

  test 'validates job for queue presence' do
    assert_raises Resque::NoQueueError do
      Resque.validate(SomeJob)
    end
  end

  test 'can put items on a queue' do
    assert Resque.push(:people,  'name' => 'jon')
  end

  test 'can pull items off a queue' do
    assert_equal({ 'name' => 'chris' }, Resque.pop(:people))
    assert_equal({ 'name' => 'bob' }, Resque.pop(:people))
    assert_equal({ 'name' => 'mark' }, Resque.pop(:people))
    assert_equal nil, Resque.pop(:people)
  end

  test 'knows how big a queue is' do
    assert_equal 3, Resque.size(:people)

    assert_equal({ 'name' => 'chris' }, Resque.pop(:people))
    assert_equal 2, Resque.size(:people)

    assert_equal({ 'name' => 'bob' }, Resque.pop(:people))
    assert_equal({ 'name' => 'mark' }, Resque.pop(:people))
    assert_equal 0, Resque.size(:people)
  end

  test 'can peek at a queue' do
    assert_equal({ 'name' => 'chris' }, Resque.peek(:people))
    assert_equal 3, Resque.size(:people)
  end

  test 'can peek multiple items on a queue' do
    assert_equal({ 'name' => 'bob' }, Resque.peek(:people, 1, 1))

    assert_equal([{ 'name' => 'bob' }, { 'name' => 'mark' }], Resque.peek(:people, 1, 2))
    assert_equal([{ 'name' => 'chris' }, { 'name' => 'bob' }], Resque.peek(:people, 0, 2))
    assert_equal([{ 'name' => 'chris' }, { 'name' => 'bob' }, { 'name' => 'mark' }], Resque.peek(:people, 0, 3))
    assert_equal({ 'name' => 'mark' }, Resque.peek(:people, 2, 1))
    assert_equal nil, Resque.peek(:people, 3)
    assert_equal [], Resque.peek(:people, 3, 2)
  end

  test 'knows what queues it is managing' do
    assert_equal %w( people ), Resque.queues
    Resque.push(:cars,  'make' => 'bmw')
    assert_equal %w( cars people ), Resque.queues
  end

  test 'queues are always a list' do
    Resque.redis.flushall
    assert_equal [], Resque.queues
  end

  test 'can delete a queue' do
    Resque.push(:cars,  'make' => 'bmw')
    assert_equal %w( cars people ), Resque.queues
    Resque.remove_queue(:people)
    assert_equal %w( cars ), Resque.queues
    assert_equal nil, Resque.pop(:people)
  end

  test 'keeps track of resque keys' do
    assert_equal ['queue:people', 'queues'].sort, Resque.keys.sort
  end

  test 'badly wants a class name, too' do
    assert_raises Resque::NoClassError do
      Resque::Job.create(:jobs, nil)
    end
  end

  test 'keeps stats' do
    Resque::Job.create(:jobs, SomeJob, 20, '/tmp')
    Resque::Job.create(:jobs, BadJob)
    Resque::Job.create(:jobs, GoodJob)

    Resque::Job.create(:others, GoodJob)
    Resque::Job.create(:others, GoodJob)

    stats = Resque.info
    assert_equal 8, stats[:pending]

    @worker = Resque::Worker.new(:jobs)
    @worker.register_worker
    2.times { @worker.process }

    job = @worker.reserve
    @worker.working_on job

    stats = Resque.info
    assert_equal 1, stats[:working]
    assert_equal 1, stats[:workers]

    @worker.done_working

    stats = Resque.info
    assert_equal 3, stats[:queues]
    assert_equal 3, stats[:processed]
    assert_equal 1, stats[:failed]
    if ENV.key? 'RESQUE_DISTRIBUTED'
      assert_equal [Resque.redis.respond_to?(:server) ? 'localhost:9736, localhost:9737' : 'redis://localhost:9736/0, redis://localhost:9737/0'], stats[:servers]
    else
      assert_equal [Resque.redis.respond_to?(:server) ? 'localhost:9736' : 'redis://localhost:9736/0'], stats[:servers]
    end
  end

  test 'decode bad json' do
    assert_raises Resque::Helpers::DecodeException do
      Resque.decode("{\"error\":\"Module not found \\u002\"}")
    end
  end

  test 'inlining jobs' do
    begin
      Resque.inline = true
      Resque.enqueue(SomeIvarJob, 20, '/tmp')
      assert_equal 0, Resque.size(:ivar)
    ensure
      Resque.inline = false
    end
  end
end