# frozen_string_literal: true
require_relative 'helper'
require 'sidekiq/manager'

describe Sidekiq::Manager do
  before do
    Sidekiq.redis {|c| c.flushdb }
  end

  def new_manager(opts)
    Sidekiq::Manager.new(opts)
  end

  it 'creates N processor instances' do
    mgr = new_manager(options)
    assert_equal options[:concurrency], mgr.workers.size
  end

  it 'shuts down the system' do
    mgr = new_manager(options)
    mgr.stop(::Process.clock_gettime(::Process::CLOCK_MONOTONIC))
  end

  it 'throws away dead processors' do
    mgr = new_manager(options)
    init_size = mgr.workers.size
    processor = mgr.workers.first
    begin
      mgr.processor_died(processor, 'ignored')

      assert_equal init_size, mgr.workers.size
      refute mgr.workers.include?(processor)
    ensure
      mgr.workers.each {|p| p.terminate(true) }
    end
  end

  it 'does not support invalid concurrency' do
    assert_raises(ArgumentError) { new_manager(concurrency: 0) }
    assert_raises(ArgumentError) { new_manager(concurrency: -1) }
  end

  def options
    { :concurrency => 3, :queues => ['default'] }
  end

end
