# frozen_string_literal: true

require "minitest/stub_const"
require_relative "test_helper"
require "prometheus_exporter/instrumentation/sidekiq"

class PrometheusExporterSidekiqMiddlewareTest < Minitest::Test
  class FakeClient
  end

  def client
    @client ||= FakeClient.new
  end

  class FakeSidekiqMiddlewareChainEntry
    attr_reader :klass

    def initialize(klass, *args)
      @klass = klass
      @args = args
    end

    def make_new
      @klass.new(*@args)
    end
  end

  def test_initiating_middlware
    middleware_entry =
      FakeSidekiqMiddlewareChainEntry.new(
        PrometheusExporter::Instrumentation::Sidekiq,
        { client: client },
      )
    assert_instance_of PrometheusExporter::Instrumentation::Sidekiq, middleware_entry.make_new
  end
end