Created a dummy app for testing

Author: AZQ1994

.github/workflows/ci.yml

@@ -15,3 +15,37 @@ jobs:
           bundler-cache: true
       - name: Run RuboCop
         run: bundle exec rubocop
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    env:
+      BUNDLE_PATH: vendor/bundle
+    strategy:
+      fail-fast: false
+      matrix:
+        appraisal:
+          - rails-7_0
+          - rails-7_1
+          - rails-7_2
+          - rails-8_0
+          - rails-8_1
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.3"
+          bundler-cache: true
+
+      - name: Install system deps
+        run: sudo apt-get update && sudo apt-get install -y libsqlite3-dev pkg-config
+
+      - name: Install Appraisal gemfiles
+        run: bundle exec appraisal install
+
+      - name: Run specs (${{ matrix.appraisal }})
+        run: bundle exec appraisal ${{ matrix.appraisal }} rspec spec
+
+      - name: Run rails sample specs (${{ matrix.appraisal }})
+        run: bundle exec appraisal ${{ matrix.appraisal }} rake rails_sample_spec

.gitignore

@@ -0,0 +1,3 @@
+/tmp/
+/.bundle/
+/vendor/bundle/

.rubocop.yml

@@ -1,8 +1,14 @@
 AllCops:
   DisplayCopNames: true
   NewCops: enable
+  SuggestExtensions: false
 
 plugins:
+  - rubocop-rspec
+  - rubocop-performance
+  - rubocop-rails
+  - rubocop-rspec_rails
+  - rubocop-factory_bot
 
 ### Lint ###
 Lint/AmbiguousOperatorPrecedence:
@@ -143,3 +149,61 @@ Metrics/ModuleLength:
 
 Metrics/PerceivedComplexity:
   Enabled: false
+
+### Rails ###
+Rails:
+  Enabled: true
+
+Rails/Blank:
+  Enabled: false
+
+Rails/Delegate:
+  Enabled: false
+
+Rails/Output:
+  Enabled: false
+
+Rails/SquishedSQLHeredocs:
+  Enabled: false
+
+Rails/RedundantActiveRecordAllMethod:
+  Enabled: false
+
+Rails/DynamicFindBy:
+  AllowedMethods:
+    - find_by_id
+    - find_by_id!
+    - find_by_ids
+    - find_by_ids!
+
+Rails/InverseOf:
+  Enabled: false
+
+Rails/HasManyOrHasOneDependent:
+  Enabled: false
+
+Rails/I18nLocaleTexts:
+  Enabled: false
+
+Rails/FindEach:
+  Enabled: false
+
+### Performance ###
+Performance/CollectionLiteralInLoop:
+  Enabled: false
+
+### RSpec ###
+RSpec/MultipleExpectations:
+  Enabled: false
+
+RSpec/ExampleLength:
+  Enabled: false
+
+RSpec/DescribeClass:
+  Enabled: false
+
+RSpec/MultipleMemoizedHelpers:
+  Enabled: false
+
+RSpec/LetSetup:
+  Enabled: false

Appraisals

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+rails_versions = ENV.fetch("RAILS_VERSIONS", "7.0 7.1 7.2 8.0 8.1").split
+
+rails_versions.each do |version|
+  appraise "rails-#{version.tr('.', '_')}" do
+    gem "rails", "~> #{version}"
+    gem "sqlite3", "~> 2.1"
+    gem "rspec"
+    gem "factory_bot"
+    gem "puma"
+  end
+end

Gemfile

@@ -4,4 +4,18 @@ source "https://rubygems.org"
 
 gemspec
 
+gem "factory_bot", group: :test
+gem "puma", group: :development
+gem "rails", ENV.fetch("RAILS_VERSION", "~> 7.2")
+
+gem "rspec", group: :test
 gem "rubocop", group: :development
+gem 'rubocop-factory_bot', group: :development
+gem 'rubocop-performance', group: :development
+gem 'rubocop-rails', group: :development
+gem 'rubocop-rspec', group: :development
+gem 'rubocop-rspec_rails', group: :development
+gem "sqlite3", "~> 2.1"
+
+gem "appraisal", group: :development
+gem "rake", group: :development