Use require_relative in the RSpec Sidekiq codebase

If there are many searches in the `$LOAD_PATH` in the user environment, require will perform unnecessary searches that are not needed. In contrast, `require_relative` is efficient because it uses a relative path.

Author: ydah

lib/rspec-sidekiq.rb

@@ -5,8 +5,8 @@
 require 'sidekiq'
 require 'sidekiq/testing'
 
-require 'rspec/sidekiq/batch'
-require 'rspec/sidekiq/configuration'
-require 'rspec/sidekiq/helpers'
-require 'rspec/sidekiq/matchers'
-require 'rspec/sidekiq/sidekiq'
+require_relative 'rspec/sidekiq/batch'
+require_relative 'rspec/sidekiq/configuration'
+require_relative 'rspec/sidekiq/helpers'
+require_relative 'rspec/sidekiq/matchers'
+require_relative 'rspec/sidekiq/sidekiq'

lib/rspec/sidekiq/helpers.rb

@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 
 require 'rspec/core'
-require 'rspec/sidekiq/helpers/within_sidekiq_retries_exhausted_block'
+require_relative 'helpers/within_sidekiq_retries_exhausted_block'

lib/rspec/sidekiq/matchers.rb

@@ -5,15 +5,15 @@
 require "rspec/mocks/argument_list_matcher"
 require "rspec/mocks/argument_matchers"
 
-require "rspec/sidekiq/matchers/base"
-require "rspec/sidekiq/matchers/be_delayed"
-require "rspec/sidekiq/matchers/be_expired_in"
-require "rspec/sidekiq/matchers/be_processed_in"
-require "rspec/sidekiq/matchers/be_retryable"
-require "rspec/sidekiq/matchers/be_unique"
-require "rspec/sidekiq/matchers/have_enqueued_sidekiq_job"
-require "rspec/sidekiq/matchers/save_backtrace"
-require "rspec/sidekiq/matchers/enqueue_sidekiq_job"
+require_relative "matchers/base"
+require_relative "matchers/be_delayed"
+require_relative "matchers/be_expired_in"
+require_relative "matchers/be_processed_in"
+require_relative "matchers/be_retryable"
+require_relative "matchers/be_unique"
+require_relative "matchers/have_enqueued_sidekiq_job"
+require_relative "matchers/save_backtrace"
+require_relative "matchers/enqueue_sidekiq_job"
 
 RSpec.configure do |config|
   config.include RSpec::Sidekiq::Matchers

rspec-sidekiq.gemspec

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require File.expand_path("../lib/rspec/sidekiq/version", __FILE__)
+require_relative "lib/rspec/sidekiq/version"
 
 Gem::Specification.new do |s|
   s.name        = "rspec-sidekiq"