Upgrade Ruby to version 3 and RuboCop to version 1.5.

.github/workflows/lint.yaml

@@ -17,7 +17,7 @@ jobs:
     - name: Setup Ruby 
       uses: ruby/setup-ruby@v1 # no need for ruby-version because we have a .ruby_version file
       with:
-          bundler-cache: true
+        bundler-cache: true
 
     - name: Run Rubocop
       run: bundle exec rubocop --config ./.rubocop.yml

.ruby-version

@@ -1 +1 @@
-2.7.1
+3.0.6

Gemfile.lock

@@ -1,35 +1,63 @@
 PATH
   remote: .
   specs:
-    codecademy-style (0.1.9)
-      rubocop (= 0.79)
+    codecademy-style (0.2.0)
+      rubocop (~> 1.56)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    ast (2.4.0)
-    jaro_winkler (1.5.4)
-    parallel (1.19.1)
-    parser (2.7.0.2)
-      ast (~> 2.4.0)
-    rainbow (3.0.0)
-    rubocop (0.79.0)
-      jaro_winkler (~> 1.5.1)
+    ast (2.4.2)
+    base64 (0.1.1)
+    diff-lcs (1.5.0)
+    json (2.6.3)
+    language_server-protocol (3.17.0.3)
+    parallel (1.23.0)
+    parser (3.2.2.3)
+      ast (~> 2.4.1)
+      racc
+    racc (1.7.1)
+    rainbow (3.1.1)
+    regexp_parser (2.8.1)
+    rexml (3.2.6)
+    rspec (3.12.0)
+      rspec-core (~> 3.12.0)
+      rspec-expectations (~> 3.12.0)
+      rspec-mocks (~> 3.12.0)
+    rspec-core (3.12.2)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.6)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.12.0)
+    rspec-support (3.12.1)
+    rubocop (1.56.3)
+      base64 (~> 0.1.1)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 2.7.0.1)
+      parser (>= 3.2.2.3)
       rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.28.1, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 1.7)
-    ruby-progressbar (1.10.1)
-    unicode-display_width (1.6.1)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.29.0)
+      parser (>= 3.2.1.0)
+    ruby-progressbar (1.13.0)
+    unicode-display_width (2.4.2)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   bundler (>= 2.2.10)
   codecademy-style!
-  rubocop (= 0.79)
+  rspec
+  rubocop (~> 1.56)
 
 BUNDLED WITH
    2.2.25

codecademy-style.gemspec

@@ -9,6 +9,8 @@ Gem::Specification.new do |spec|
   spec.version = CodecademyStyle::VERSION
   spec.authors = ['Codecademy Engineering']
 
+  spec.required_ruby_version = '>= 3.0'
+
   spec.summary = 'Shared RuboCop style configuration'
   spec.description = 'This gem holds shared RuboCop configuration for all of' \
 'Codecademy\'s Ruby code bases.'
@@ -34,8 +36,9 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   # Require clients of this gem to have RuboCop installed
-  spec.add_dependency 'rubocop', '=0.79'
+  spec.add_dependency 'rubocop', '~>1.56'
 
   spec.add_development_dependency 'bundler', '>= 2.2.10'
-  spec.add_development_dependency 'rubocop', '=0.79'
+  spec.add_development_dependency 'rspec'
+  spec.add_development_dependency 'rubocop', '~>1.56'
 end

default.yml

@@ -2,7 +2,7 @@ Metrics/BlockLength:
   Exclude:
     - 'spec/**/*.rb'
     - '**/*.gemspec'
-  ExcludedMethods:
+  AllowedMethods:
     - 'included' # ActiveSupport concerns
     - 'namespace' # rake tasks
     - 'task' # rake tasks

lib/codecademy_style/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module CodecademyStyle
-  VERSION = '0.1.9'
+  VERSION = '0.2.0'
 end

spec/codecademy/style_spec.rb

@@ -1,11 +1,7 @@
 # frozen_string_literal: true
 
-RSpec.describe Codecademy::Style do
+RSpec.describe CodecademyStyle do
   it 'has a version number' do
-    expect(Codecademy::Style::VERSION).not_to be nil
-  end
-
-  it 'does something useful' do
-    expect(false).to eq(true)
+    expect(CodecademyStyle::VERSION).not_to be nil
   end
 end

spec/spec_helper.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'bundler/setup'
-require 'codecademy/style'
+require 'codecademy/style_spec'
 
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure