Fix rubocop errors

Gemfile

@@ -1,14 +1,14 @@
 # frozen_string_literal: true
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
 # Specify your gem's dependencies in rabbit_carrots.gemspec
 gemspec
 
-gem "rake", "~> 13.0"
+gem 'rake', '~> 13.0'
 
-gem "rspec", "~> 3.0"
+gem 'rspec', '~> 3.0'
 
-gem "rubocop", "~> 1.21"
+gem 'rubocop', '~> 1.21'
 
-gem "rubocop-rails", "~> 2.17"
+gem 'rubocop-rails', '~> 2.17'

Rakefile

@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
-require "bundler/gem_tasks"
-require "rspec/core/rake_task"
+require 'bundler/gem_tasks'
+require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 
-require "rubocop/rake_task"
+require 'rubocop/rake_task'
 
 RuboCop::RakeTask.new
 

lib/rabbit_carrots.rb

@@ -1,24 +1,23 @@
 # frozen_string_literal: true
 
-require_relative "rabbit_carrots/version"
+require_relative 'rabbit_carrots/version'
 require 'rabbit_carrots/connection'
 require 'rabbit_carrots/configuration'
 require 'rabbit_carrots/railtie' if defined?(Rails)
 
-
 module RabbitCarrots
   class Error < StandardError; end
+
   module EventHandlers
     module Errors
       class IrrelevantMessage < StandardError
       end
-  
+
       class NackMessage < StandardError
       end
-  
+
       class NackAndRequeueMessage < StandardError
       end
     end
   end
-  
 end

lib/rabbit_carrots/railtie.rb

@@ -10,4 +10,4 @@ module RabbitCarrots
       Dir.glob("#{path}/tasks/**/*.rake").each { |f| load f }
     end
   end
-end
+end

lib/rabbit_carrots/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module RabbitCarrots
-  VERSION = "0.1.15"
+  VERSION = '0.1.15'
 end

rabbit_carrots.gemspec

@@ -1,24 +1,24 @@
 # frozen_string_literal: true
 
-require_relative "lib/rabbit_carrots/version"
+require_relative 'lib/rabbit_carrots/version'
 
 Gem::Specification.new do |spec|
-  spec.name = "rabbit_carrots"
+  spec.name = 'rabbit_carrots'
   spec.version = RabbitCarrots::VERSION
-  spec.authors = ["Brusk Awat"]
-  spec.email = ["broosk.edogawa@gmail.com"]
+  spec.authors = ['Brusk Awat']
+  spec.email = ['broosk.edogawa@gmail.com']
 
-  spec.summary = "A simple RabbitMQ consumer task"
-  spec.description = "A background task based on rake to consume RabbitMQ messages"
-  spec.homepage = "https://github.com/ditkrg"
-  spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.1.0"
+  spec.summary = 'A simple RabbitMQ consumer task'
+  spec.description = 'A background task based on rake to consume RabbitMQ messages'
+  spec.homepage = 'https://github.com/ditkrg'
+  spec.license = 'MIT'
+  spec.required_ruby_version = '>= 3.1.0'
 
-  spec.metadata["allowed_push_host"] = "https://rubygems.org"
+  spec.metadata['allowed_push_host'] = 'https://rubygems.org'
 
-  spec.metadata["homepage_uri"] = spec.homepage
-  spec.metadata["source_code_uri"] = "https://github.com/ditkrg/rabbit_carrots"
-  spec.metadata["changelog_uri"] = "https://github.com/ditkrg/rabbit_carrots"
+  spec.metadata['homepage_uri'] = spec.homepage
+  spec.metadata['source_code_uri'] = 'https://github.com/ditkrg/rabbit_carrots'
+  spec.metadata['changelog_uri'] = 'https://github.com/ditkrg/rabbit_carrots'
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
@@ -27,14 +27,15 @@ Gem::Specification.new do |spec|
       (f == __FILE__) || f.match(%r{\A(?:(?:bin|test|spec|features)/|\.(?:git|travis|circleci)|appveyor)})
     end
   end
-  spec.bindir = "exe"
+  spec.bindir = 'exe'
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
-  spec.require_paths = ["lib"]
+  spec.require_paths = ['lib']
 
   # Uncomment to register a new dependency of your gem
-  spec.add_dependency "bunny", ">= 2.19.0"
-  spec.add_dependency "connection_pool", "~> 2.3.0"
+  spec.add_dependency 'bunny', '>= 2.19.0'
+  spec.add_dependency 'connection_pool', '~> 2.3.0'
 
   # For more information and examples about making a new gem, check out our
   # guide at: https://bundler.io/guides/creating_gem.html
+  spec.metadata['rubygems_mfa_required'] = 'true'
 end

spec/rabbit_carrots_spec.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 RSpec.describe RabbitCarrots do
-  it "has a version number" do
+  it 'has a version number' do
     expect(RabbitCarrots::VERSION).not_to be nil
   end
 end

spec/spec_helper.rb

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
-require "rabbit_carrots"
+require 'rabbit_carrots'
 
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure
-  config.example_status_persistence_file_path = ".rspec_status"
+  config.example_status_persistence_file_path = '.rspec_status'
 
   # Disable RSpec exposing methods globally on `Module` and `main`
   config.disable_monkey_patching!