# frozen_string_literal: true
require_relative 'helper'
require 'sidekiq/fetch'
require 'sidekiq/api'

describe Sidekiq::BasicFetch do
  before do
    @prev_redis = Sidekiq.instance_variable_get(:@redis) || {}
    Sidekiq.redis = { :namespace => 'fuzzy' }
    Sidekiq.redis do |conn|
      conn.redis.flushdb
      conn.rpush('queue:basic', 'msg')
    end
  end

  after do
    Sidekiq.redis = @prev_redis
  end

  it 'retrieves' do
    fetch = Sidekiq::BasicFetch.new(:queues => ['basic', 'bar'])
    uow = fetch.retrieve_work
    refute_nil uow
    assert_equal 'basic', uow.queue_name
    assert_equal 'msg', uow.job
    q = Sidekiq::Queue.new('basic')
    assert_equal 0, q.size
    uow.requeue
    assert_equal 1, q.size
    assert_nil uow.acknowledge
  end

  it 'retrieves with strict setting' do
    fetch = Sidekiq::BasicFetch.new(:queues => ['basic', 'bar', 'bar'], :strict => true)
    cmd = fetch.queues_cmd
    assert_equal cmd, ['queue:basic', 'queue:bar', Sidekiq::BasicFetch::TIMEOUT]
  end

  it 'bulk requeues' do
    Sidekiq.redis do |conn|
      conn.rpush('queue:foo', ['bob', 'bar'])
      conn.rpush('queue:bar', 'widget')
    end

    q1 = Sidekiq::Queue.new('foo')
    q2 = Sidekiq::Queue.new('bar')
    assert_equal 2, q1.size
    assert_equal 1, q2.size

    fetch = Sidekiq::BasicFetch.new(:queues => ['foo', 'bar'])
    works = 3.times.map { fetch.retrieve_work }
    assert_equal 0, q1.size
    assert_equal 0, q2.size

    fetch.bulk_requeue(works, {:queues => []})
    assert_equal 2, q1.size
    assert_equal 1, q2.size
  end

  it 'sleeps when no queues are active' do
    fetch = Sidekiq::BasicFetch.new(:queues => [])
    mock = Minitest::Mock.new
    mock.expect(:call, nil, [Sidekiq::BasicFetch::TIMEOUT])
    fetch.stub(:sleep, mock) { assert_nil fetch.retrieve_work }
    mock.verify
  end
end