Upgraded RuboCop to 0.80.1, targeting Ruby 2.3+.

.rubocop.yml

@@ -1,5 +1,5 @@
 AllCops:
-  TargetRubyVersion: 2.2.0
+  TargetRubyVersion: 2.3
   Exclude:
     - vendor/**/*
     - examples/**/vendor/**/*
@@ -8,10 +8,22 @@ AllCops:
 Metrics:
   Enabled: false
 
-Metrics/LineLength:
+Layout/LineLength:
   Max: 512
 
 Style/Documentation:
   Enabled: false
 
+Style/HashEachMethods:
+  Enabled: true
+
+Style/HashTransformKeys:
+  Enabled: true
+
+Style/HashTransformValues:
+  Enabled: true
+
+Style/ModuleFunction:
+  Enabled: false
+
 inherit_from: .rubocop_todo.yml

.rubocop_todo.yml

@@ -1,36 +1,29 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2019-03-25 10:27:43 -0400 using RuboCop version 0.58.2.
+# on 2020-03-28 18:37:09 -0400 using RuboCop version 0.80.1.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 2
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: auto_detection, squiggly, active_support, powerpack, unindent
-Layout/IndentHeredoc:
-  Exclude:
-    - 'lib/slack-ruby-bot/commands/help.rb'
-    - 'spec/slack-ruby-bot/commands/help_spec.rb'
-
 # Offense count: 1
 Lint/DuplicateMethods:
   Exclude:
     - 'lib/slack-ruby-bot/hooks/set.rb'
 
 # Offense count: 2
-Lint/HandleExceptions:
+# Configuration parameters: AllowComments.
+Lint/SuppressedException:
   Exclude:
     - 'lib/initializers/giphy.rb'
     - 'lib/initializers/giphy_client.rb'
 
 # Offense count: 1
-# Cop supports --auto-correct.
-Lint/UnneededCopEnableDirective:
+# Configuration parameters: ExpectMatchingDefinition, Regex, IgnoreExecutableScripts, AllowedAcronyms.
+# AllowedAcronyms: CLI, DSL, ACL, API, ASCII, CPU, CSS, DNS, EOF, GUID, HTML, HTTP, HTTPS, ID, IP, JSON, LHS, QPS, RAM, RHS, RPC, SLA, SMTP, SQL, SSH, TCP, TLS, TTL, UDP, UI, UID, UUID, URI, URL, UTF8, VM, XML, XMPP, XSRF, XSS
+Naming/FileName:
   Exclude:
-    - 'Gemfile'
+    - 'lib/slack-ruby-bot.rb'
 
 # Offense count: 2
 # Configuration parameters: EnforcedStyle.
@@ -51,27 +44,11 @@ Style/DoubleNegation:
   Exclude:
     - 'lib/slack-ruby-bot/commands/base.rb'
 
-# Offense count: 5
-# Cop supports --auto-correct.
-Style/ExpandPathArguments:
-  Exclude:
-    - 'lib/config/application.rb'
-    - 'lib/config/environment.rb'
-    - 'lib/slack-ruby-bot.rb'
-    - 'slack-ruby-bot.gemspec'
-
-# Offense count: 2
-# Cop supports --auto-correct.
-Style/IfUnlessModifier:
-  Exclude:
-    - 'lib/slack-ruby-bot/commands/support/match.rb'
-    - 'lib/slack-ruby-bot/mvc/controller/base.rb'
-
-# Offense count: 2
+# Offense count: 1
 # Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: module_function, extend_self
-Style/ModuleFunction:
+# Configuration parameters: AutoCorrect, EnforcedStyle, IgnoredMethods.
+# SupportedStyles: predicate, comparison
+Style/NumericPredicate:
   Exclude:
-    - 'lib/initializers/giphy_client.rb'
-    - 'lib/slack-ruby-bot/config.rb'
+    - 'spec/**/*'
+    - 'examples/market/marketbot.rb'

.travis.yml

@@ -4,22 +4,22 @@ cache: bundler
 
 matrix:
   include:
-    - rvm: 2.3.0
+    - rvm: 2.6.5
       script:
         - bundle exec danger
     - rvm: 2.3.0
       env: CONCURRENCY=celluloid-io
     - rvm: 2.3.0
       env: CONCURRENCY=faye-websocket
-    - rvm: 2.3.0
+    - rvm: 2.6.5
       env: CONCURRENCY=celluloid-io WITH_GIPHY=true
-    - rvm: 2.3.0
+    - rvm: 2.6.5
       env: CONCURRENCY=faye-websocket WITH_GIPHY=true
-    - rvm: 2.3.0
+    - rvm: 2.6.5
       env: CONCURRENCY=celluloid-io WITH_GIPHY_CLIENT=true
-    - rvm: 2.3.0
+    - rvm: 2.6.5
       env: CONCURRENCY=faye-websocket WITH_GIPHY_CLIENT=true
-    - rvm: 2.5
+    - rvm: 2.6.5
       env: CONCURRENCY=async-websocket WITH_GIPHY_CLIENT=true
     - rvm: ruby-head
     - rvm: jruby-head

CHANGELOG.md

@@ -1,10 +1,11 @@
-### 0.12.1 (Next)
+### 0.13.0 (Next)
 
 * [#244](https://github.com/slack-ruby/slack-ruby-bot/pull/244): Change log message when the bot is reconnected - [@wasabigeek](https://github.com/wasabigeek).
 * [#209](https://github.com/slack-ruby/slack-ruby-bot/pull/209): Allow `respond_to_slack_message` and `respond_to_slack_messages` without arguments - [@dblock](https://github.com/dblock).
 * [#216](https://github.com/slack-ruby/slack-ruby-bot/pull/216): Added `start_typing` RSpec matcher - [@dblock](https://github.com/dblock).
 * [#214](https://github.com/slack-ruby/slack-ruby-bot/pull/214): Add passenger deployment documentation - [@cybercrediators](https://github.com/cybercrediators).
 * [#220](https://github.com/slack-ruby/slack-ruby-bot/pull/220): Updated examples/market to pull from IEX instead of defunct yahoo service - [@corprew](https://github.com/corprew).
+* [#246](https://github.com/slack-ruby/slack-ruby-bot/pull/246): Drop support for Ruby 2.2 - [@dblock](https://github.com/dblock).
 * Your contribution here.
 
 

Dangerfile

@@ -1 +1,3 @@
+# frozen_string_literal: true
+
 danger.import_dangerfile(gem: 'slack-ruby-danger')

Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source 'http://rubygems.org'
 
 gemspec
@@ -11,8 +13,6 @@ if ENV.key?('CONCURRENCY')
   end
 end
 
-# rubocop:enable Bundler/OrderedGems
-
 gem 'giphy', require: false if ENV.key?('WITH_GIPHY')
 gem 'GiphyClient', require: false if ENV.key?('WITH_GIPHY_CLIENT')
 

Rakefile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rubygems'
 require 'bundler'
 require 'bundler/gem_tasks'

UPGRADING.md

@@ -1,6 +1,14 @@
 Upgrading SlackRubyBot
 ======================
 
+### Upgrading to >= 0.13.0
+
+#### Minimum Ruby Version
+
+Ruby 2.3 or later is now required.
+
+See [#246](https://github.com/slack-ruby/slack-ruby-bot/pull/246) for more information.
+
 ### Upgrading to >= 0.12.0
 
 #### Remove any references to `SlackRubyBot::Server#restart!`

examples/inventory/Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source 'http://rubygems.org'
 
 gem 'celluloid-io'

examples/inventory/inventorybot.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'slack-ruby-bot'
 require 'sqlite3'
 
@@ -56,6 +58,7 @@ def delete
   def notify_admin
     row = _row.first
     return if row[:quantity].to_i.zero?
+
     view.email_admin("Inventory item #{row[:name]} needs to be refilled.")
     view.say(channel: data.channel, text: "Administrator notified via email to refill #{row[:name]}.")
   end
@@ -93,6 +96,7 @@ def initialize
     count = 0
     count += 1 while results.next
     return if count < 4
+
     add_item "'Audi',3,52642"
     add_item "'Mercedes',1,57127"
     add_item "'Skoda',5,9000"
@@ -241,7 +245,7 @@ class InventoryBot < SlackRubyBot::Bot
   view = InventoryView.new
   @controller = InventoryController.new(model, view)
   @controller.class.command_class.routes.each do |route|
-    STDERR.puts route.inspect
+    warn route.inspect
   end
 end
 

examples/market/Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source 'http://rubygems.org'
 gem 'faye-websocket'
 gem 'iex-ruby-client'

examples/market/marketbot.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'iex-ruby-client'
 require 'slack-ruby-bot'
 

examples/minimal/Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source 'http://rubygems.org'
 
 gem 'celluloid-io'

examples/minimal/pongbot.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'slack-ruby-bot'
 
 class Bot < SlackRubyBot::Bot

examples/weather/Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source 'http://rubygems.org'
 
 gem 'celluloid-io'

examples/weather/weatherbot.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'slack-ruby-bot'
 
 SlackRubyBot::Client.logger.level = Logger::WARN

lib/config/application.rb

@@ -1,12 +1,14 @@
+# frozen_string_literal: true
+
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..'))
 $LOAD_PATH.unshift(File.dirname(__FILE__))
 
 require 'boot'
 
-Dir[File.expand_path('../../initializers', __FILE__) + '/**/*.rb'].each do |file|
+Dir[File.expand_path('../initializers', __dir__) + '/**/*.rb'].sort.each do |file|
   require file
 end
 
-require File.expand_path('../application', __FILE__)
+require File.expand_path('application', __dir__)
 
 require 'slack_ruby_bot'

lib/config/boot.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rubygems'
 require 'logger'
 require 'active_support'

lib/config/environment.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ENV['RACK_ENV'] ||= 'development'
 
-require File.expand_path('../application', __FILE__)
+require File.expand_path('application', __dir__)

lib/initializers/giphy.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require 'giphy'
 rescue LoadError

lib/initializers/giphy_client.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 begin
   require 'GiphyClient'
 

lib/slack-ruby-bot.rb

@@ -1,4 +1,6 @@
-require File.expand_path('../config/environment', __FILE__)
+# frozen_string_literal: true
+
+require File.expand_path('config/environment', __dir__)
 
 require 'slack-ruby-bot/version'
 require 'slack-ruby-bot/support/loggable'

lib/slack-ruby-bot/about.rb

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 module SlackRubyBot
-  ABOUT = <<-ABOUT.freeze
+  ABOUT = <<-ABOUT
     #{SlackRubyBot::VERSION}
     https://github.com/slack-ruby/slack-ruby-bot
     https://twitter.com/dblockdotorg

lib/slack-ruby-bot/app.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module SlackRubyBot
   class App < Server
     def initialize(options = {})

lib/slack-ruby-bot/bot.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module SlackRubyBot
   class Bot < SlackRubyBot::Commands::Base
     delegate :client, to: :instance

lib/slack-ruby-bot/client.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module SlackRubyBot
   class Client < Slack::RealTime::Client
     include Loggable
@@ -31,11 +33,12 @@ def name?(name)
 
     def send_gifs?
       return false unless defined?(Giphy)
+
       send_gifs.nil? ? SlackRubyBot::Config.send_gifs? : send_gifs
     end
 
     def name
-      SlackRubyBot.config.user || (self.self && self.self.name)
+      SlackRubyBot.config.user || self.self&.name
     end
 
     def url
@@ -51,9 +54,9 @@ def say(options = {})
       if keywords && send_gifs?
         gif = begin
           Giphy.random(keywords)
-        rescue StandardError => e
-          logger.warn "Giphy.random: #{e.message}"
-          nil
+              rescue StandardError => e
+                logger.warn "Giphy.random: #{e.message}"
+                nil
         end
       end
       text = [text, gif && gif.image_url.to_s].compact.join("\n")

lib/slack-ruby-bot/commands.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'slack-ruby-bot/commands/base'
 require 'slack-ruby-bot/commands/about'
 require 'slack-ruby-bot/commands/help'

lib/slack-ruby-bot/commands/about.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module SlackRubyBot
   module Commands
     class Default < Base