LSP ok

.dockerignore

@@ -0,0 +1,37 @@
+# See https://docs.docker.com/engine/reference/builder/#dockerignore-file for more about ignoring files.
+
+# Ignore git directory.
+/.git/
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore all environment files (except templates).
+/.env*
+!/.env*.erb
+
+# Ignore all default key files.
+/config/master.key
+/config/credentials/*.key
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/.keep
+
+# Ignore storage (uploaded files in development and any SQLite databases).
+/storage/*
+!/storage/.keep
+/tmp/storage/*
+!/tmp/storage/.keep
+
+# Ignore assets.
+/node_modules/
+/app/assets/builds/*
+!/app/assets/builds/.keep
+/public/assets

.gitattributes

@@ -0,0 +1,9 @@
+# See https://git-scm.com/docs/gitattributes for more about git attribute files.
+
+# Mark the database schema as having been generated.
+db/schema.rb linguist-generated
+
+# Mark any vendored files as having been vendored.
+vendor/* linguist-vendored
+config/credentials/*.yml.enc diff=rails_credentials
+config/credentials.yml.enc diff=rails_credentials

.gitignore

@@ -0,0 +1,38 @@
+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
+#
+# If you find yourself ignoring temporary files generated by your text editor
+# or operating system, you probably want to add a global ignore instead:
+#   git config --global core.excludesfile '~/.gitignore_global'
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore all environment files (except templates).
+/.env*
+!/.env*.erb
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/
+!/tmp/pids/.keep
+
+# Ignore storage (uploaded files in development and any SQLite databases).
+/storage/*
+!/storage/.keep
+/tmp/storage/*
+!/tmp/storage/
+!/tmp/storage/.keep
+
+/public/assets
+
+# Ignore master key for decrypting credentials and more.
+/config/master.key
+
+/app/assets/builds/*
+!/app/assets/builds/.keep

.ruby-version

@@ -0,0 +1 @@
+ruby-3.1.2

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+    "recommendations": [
+        "shopify.ruby-lsp",
+        "aki77.rails-db-schema",
+        "yzhang.markdown-all-in-one"
+    ]
+}

.vscode/launch.json

@@ -0,0 +1,11 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "ruby_lsp",
+            "name": "Debug Rails",
+            "request": "launch",
+            "program": "bin/rails server",
+        },
+    ]
+}

.vscode/settings.json

@@ -0,0 +1,11 @@
+{
+    // All of these settings are scoped only to the Ruby language
+    "[ruby]": {
+      "editor.defaultFormatter": "Shopify.ruby-lsp", // Use the Ruby LSP as the default formatter
+      "editor.formatOnSave": true, // Format files automatically when saving
+      "editor.tabSize": 2, // Use 2 spaces for indentation
+      "editor.insertSpaces": true, // Use spaces and not tabs for indentantion
+      "editor.semanticHighlighting.enabled": true, // Enable semantic highlighting
+      "editor.formatOnType": true // Enable formatting while typing
+    },
+  }

Dockerfile

@@ -0,0 +1,62 @@
+# syntax = docker/dockerfile:1
+
+# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
+ARG RUBY_VERSION=3.1.2
+FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base
+
+# Rails app lives here
+WORKDIR /rails
+
+# Set production environment
+ENV RAILS_ENV="production" \
+    BUNDLE_DEPLOYMENT="1" \
+    BUNDLE_PATH="/usr/local/bundle" \
+    BUNDLE_WITHOUT="development"
+
+
+# Throw-away build stage to reduce size of final image
+FROM base as build
+
+# Install packages needed to build gems
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y build-essential git libpq-dev libvips pkg-config
+
+# Install application gems
+COPY Gemfile Gemfile.lock ./
+RUN bundle install && \
+    rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
+    bundle exec bootsnap precompile --gemfile
+
+# Copy application code
+COPY . .
+
+# Precompile bootsnap code for faster boot times
+RUN bundle exec bootsnap precompile app/ lib/
+
+# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
+RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
+
+
+# Final stage for app image
+FROM base
+
+# Install packages needed for deployment
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y curl libvips postgresql-client && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
+# Copy built artifacts: gems, application
+COPY --from=build /usr/local/bundle /usr/local/bundle
+COPY --from=build /rails /rails
+
+# Run and own only the runtime files as a non-root user for security
+RUN useradd rails --create-home --shell /bin/bash && \
+    chown -R rails:rails db log storage tmp
+USER rails:rails
+
+# Entrypoint prepares the database.
+ENTRYPOINT ["/rails/bin/docker-entrypoint"]
+
+# Start the server by default, this can be overwritten at runtime
+EXPOSE 3000
+CMD ["./bin/rails", "server"]

Gemfile

@@ -0,0 +1,78 @@
+source 'https://rubygems.org'
+
+ruby '3.1.2'
+
+# Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
+gem 'rails', '~> 7.1.2'
+
+# The original asset pipeline for Rails [https://github.com/rails/sprockets-rails]
+gem 'sprockets-rails'
+
+# Use postgresql as the database for Active Record
+gem 'pg', '~> 1.1'
+
+# Use the Puma web server [https://github.com/puma/puma]
+gem 'puma', '>= 5.0'
+
+# Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]
+gem 'importmap-rails'
+
+# Hotwire's SPA-like page accelerator [https://turbo.hotwired.dev]
+gem 'turbo-rails'
+
+# Hotwire's modest JavaScript framework [https://stimulus.hotwired.dev]
+gem 'stimulus-rails'
+
+# Use Tailwind CSS [https://github.com/rails/tailwindcss-rails]
+gem 'tailwindcss-rails'
+
+# Use Redis adapter to run Action Cable in production
+# gem "redis", ">= 4.0.1"
+
+# Use Kredis to get higher-level data types in Redis [https://github.com/rails/kredis]
+# gem "kredis"
+
+# Use Active Model has_secure_password [https://guides.rubyonrails.org/active_model_basics.html#securepassword]
+# gem "bcrypt", "~> 3.1.7"
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem 'tzinfo-data', platforms: %i[mswin mswin64 mingw x64_mingw jruby]
+
+# Reduces boot times through caching; required in config/boot.rb
+gem 'bootsnap', require: false
+
+# Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images]
+# gem "image_processing", "~> 1.2"
+
+group :development, :test do
+  # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
+  gem 'debug', platforms: %i[mri mswin mswin64 mingw x64_mingw]
+end
+
+group :development do
+  # Use console on exceptions pages [https://github.com/rails/web-console]
+  gem 'web-console'
+
+  # Add speed badges [https://github.com/MiniProfiler/rack-mini-profiler]
+  # gem "rack-mini-profiler"
+
+  # Speed up commands on slow machines / big apps [https://github.com/rails/spring]
+  # gem "spring"
+
+  gem 'error_highlight', '>= 0.4.0', platforms: [:ruby]
+
+  gem 'rubocop', require: false
+  gem 'rubocop-packaging'
+  gem 'rubocop-performance'
+  gem 'rubocop-rspec'
+  gem 'rubocop-shopify'
+  gem 'rubocop-thread_safety'
+  gem 'ruby-lsp-rails'
+  # gem 'sorbet'
+end
+
+group :test do
+  # Use system testing [https://guides.rubyonrails.org/testing.html#system-testing]
+  gem 'capybara'
+  gem 'selenium-webdriver'
+end

Gemfile.lock

@@ -0,0 +1,343 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (7.1.2)
+      actionpack (= 7.1.2)
+      activesupport (= 7.1.2)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+      zeitwerk (~> 2.6)
+    actionmailbox (7.1.2)
+      actionpack (= 7.1.2)
+      activejob (= 7.1.2)
+      activerecord (= 7.1.2)
+      activestorage (= 7.1.2)
+      activesupport (= 7.1.2)
+      mail (>= 2.7.1)
+      net-imap
+      net-pop
+      net-smtp
+    actionmailer (7.1.2)
+      actionpack (= 7.1.2)
+      actionview (= 7.1.2)
+      activejob (= 7.1.2)
+      activesupport (= 7.1.2)
+      mail (~> 2.5, >= 2.5.4)
+      net-imap
+      net-pop
+      net-smtp
+      rails-dom-testing (~> 2.2)
+    actionpack (7.1.2)
+      actionview (= 7.1.2)
+      activesupport (= 7.1.2)
+      nokogiri (>= 1.8.5)
+      racc
+      rack (>= 2.2.4)
+      rack-session (>= 1.0.1)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    actiontext (7.1.2)
+      actionpack (= 7.1.2)
+      activerecord (= 7.1.2)
+      activestorage (= 7.1.2)
+      activesupport (= 7.1.2)
+      globalid (>= 0.6.0)
+      nokogiri (>= 1.8.5)
+    actionview (7.1.2)
+      activesupport (= 7.1.2)
+      builder (~> 3.1)
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (7.1.2)
+      activesupport (= 7.1.2)
+      globalid (>= 0.3.6)
+    activemodel (7.1.2)
+      activesupport (= 7.1.2)
+    activerecord (7.1.2)
+      activemodel (= 7.1.2)
+      activesupport (= 7.1.2)
+      timeout (>= 0.4.0)
+    activestorage (7.1.2)
+      actionpack (= 7.1.2)
+      activejob (= 7.1.2)
+      activerecord (= 7.1.2)
+      activesupport (= 7.1.2)
+      marcel (~> 1.0)
+    activesupport (7.1.2)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      mutex_m
+      tzinfo (~> 2.0)
+    addressable (2.8.6)
+      public_suffix (>= 2.0.2, < 6.0)
+    ast (2.4.2)
+    base64 (0.2.0)
+    bigdecimal (3.1.5)
+    bindex (0.8.1)
+    bootsnap (1.17.0)
+      msgpack (~> 1.2)
+    builder (3.2.4)
+    capybara (3.39.2)
+      addressable
+      matrix
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.8)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (>= 1.5, < 3.0)
+      xpath (~> 3.2)
+    concurrent-ruby (1.2.2)
+    connection_pool (2.4.1)
+    crass (1.0.6)
+    date (3.3.4)
+    debug (1.9.1)
+      irb (~> 1.10)
+      reline (>= 0.3.8)
+    drb (2.2.0)
+      ruby2_keywords
+    error_highlight (0.6.0)
+    erubi (1.12.0)
+    globalid (1.2.1)
+      activesupport (>= 6.1)
+    i18n (1.14.1)
+      concurrent-ruby (~> 1.0)
+    importmap-rails (2.0.1)
+      actionpack (>= 6.0.0)
+      activesupport (>= 6.0.0)
+      railties (>= 6.0.0)
+    io-console (0.7.1)
+    irb (1.11.0)
+      rdoc
+      reline (>= 0.3.8)
+    json (2.7.1)
+    language_server-protocol (3.17.0.3)
+    loofah (2.22.0)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.0.2)
+    matrix (0.4.2)
+    mini_mime (1.1.5)
+    minitest (5.20.0)
+    msgpack (1.7.2)
+    mutex_m (0.2.0)
+    net-imap (0.4.9)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.4.0)
+      net-protocol
+    nio4r (2.7.0)
+    nokogiri (1.16.0-aarch64-linux)
+      racc (~> 1.4)
+    nokogiri (1.16.0-arm-linux)
+      racc (~> 1.4)
+    nokogiri (1.16.0-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.16.0-x86-linux)
+      racc (~> 1.4)
+    nokogiri (1.16.0-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.16.0-x86_64-linux)
+      racc (~> 1.4)
+    parallel (1.24.0)
+    parser (3.2.2.4)
+      ast (~> 2.4.1)
+      racc
+    pg (1.5.4)
+    prism (0.19.0)
+    psych (5.1.2)
+      stringio
+    public_suffix (5.0.4)
+    puma (6.4.1)
+      nio4r (~> 2.0)
+    racc (1.7.3)
+    rack (3.0.8)
+    rack-session (2.0.0)
+      rack (>= 3.0.0)
+    rack-test (2.1.0)
+      rack (>= 1.3)
+    rackup (2.1.0)
+      rack (>= 3)
+      webrick (~> 1.8)
+    rails (7.1.2)
+      actioncable (= 7.1.2)
+      actionmailbox (= 7.1.2)
+      actionmailer (= 7.1.2)
+      actionpack (= 7.1.2)
+      actiontext (= 7.1.2)
+      actionview (= 7.1.2)
+      activejob (= 7.1.2)
+      activemodel (= 7.1.2)
+      activerecord (= 7.1.2)
+      activestorage (= 7.1.2)
+      activesupport (= 7.1.2)
+      bundler (>= 1.15.0)
+      railties (= 7.1.2)
+    rails-dom-testing (2.2.0)
+      activesupport (>= 5.0.0)
+      minitest
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
+    railties (7.1.2)
+      actionpack (= 7.1.2)
+      activesupport (= 7.1.2)
+      irb
+      rackup (>= 1.0.0)
+      rake (>= 12.2)
+      thor (~> 1.0, >= 1.2.2)
+      zeitwerk (~> 2.6)
+    rainbow (3.1.1)
+    rake (13.1.0)
+    rdoc (6.6.2)
+      psych (>= 4.0.0)
+    regexp_parser (2.8.3)
+    reline (0.4.1)
+      io-console (~> 0.5)
+    rexml (3.2.6)
+    rubocop (1.59.0)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.2.2.4)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.30.0)
+      parser (>= 3.2.1.0)
+    rubocop-capybara (2.20.0)
+      rubocop (~> 1.41)
+    rubocop-factory_bot (2.24.0)
+      rubocop (~> 1.33)
+    rubocop-packaging (0.5.2)
+      rubocop (>= 1.33, < 2.0)
+    rubocop-performance (1.20.1)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
+    rubocop-rspec (2.25.0)
+      rubocop (~> 1.40)
+      rubocop-capybara (~> 2.17)
+      rubocop-factory_bot (~> 2.22)
+    rubocop-shopify (2.14.0)
+      rubocop (~> 1.51)
+    rubocop-thread_safety (0.5.1)
+      rubocop (>= 0.90.0)
+    ruby-lsp (0.13.2)
+      language_server-protocol (~> 3.17.0)
+      prism (>= 0.19.0, < 0.20)
+      sorbet-runtime (>= 0.5.5685)
+    ruby-lsp-rails (0.2.8)
+      actionpack (>= 6.0)
+      activerecord (>= 6.0)
+      railties (>= 6.0)
+      ruby-lsp (>= 0.13.0, < 0.14.0)
+      sorbet-runtime (>= 0.5.9897)
+    ruby-progressbar (1.13.0)
+    ruby2_keywords (0.0.5)
+    rubyzip (2.3.2)
+    selenium-webdriver (4.16.0)
+      rexml (~> 3.2, >= 3.2.5)
+      rubyzip (>= 1.2.2, < 3.0)
+      websocket (~> 1.0)
+    sorbet-runtime (0.5.11175)
+    sprockets (4.2.1)
+      concurrent-ruby (~> 1.0)
+      rack (>= 2.2.4, < 4)
+    sprockets-rails (3.4.2)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
+      sprockets (>= 3.0.0)
+    stimulus-rails (1.3.3)
+      railties (>= 6.0.0)
+    stringio (3.1.0)
+    tailwindcss-rails (2.1.0)
+      railties (>= 6.0.0)
+    tailwindcss-rails (2.1.0-aarch64-linux)
+      railties (>= 6.0.0)
+    tailwindcss-rails (2.1.0-arm-linux)
+      railties (>= 6.0.0)
+    tailwindcss-rails (2.1.0-arm64-darwin)
+      railties (>= 6.0.0)
+    tailwindcss-rails (2.1.0-x86_64-darwin)
+      railties (>= 6.0.0)
+    tailwindcss-rails (2.1.0-x86_64-linux)
+      railties (>= 6.0.0)
+    thor (1.3.0)
+    timeout (0.4.1)
+    turbo-rails (1.5.0)
+      actionpack (>= 6.0.0)
+      activejob (>= 6.0.0)
+      railties (>= 6.0.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (2.5.0)
+    web-console (4.2.1)
+      actionview (>= 6.0.0)
+      activemodel (>= 6.0.0)
+      bindex (>= 0.4.0)
+      railties (>= 6.0.0)
+    webrick (1.8.1)
+    websocket (1.2.10)
+    websocket-driver (0.7.6)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
+    zeitwerk (2.6.12)
+
+PLATFORMS
+  aarch64-linux
+  arm-linux
+  arm64-darwin
+  x86-linux
+  x86_64-darwin
+  x86_64-linux
+
+DEPENDENCIES
+  bootsnap
+  capybara
+  debug
+  error_highlight (>= 0.4.0)
+  importmap-rails
+  pg (~> 1.1)
+  puma (>= 5.0)
+  rails (~> 7.1.2)
+  rubocop
+  rubocop-packaging
+  rubocop-performance
+  rubocop-rspec
+  rubocop-shopify
+  rubocop-thread_safety
+  ruby-lsp-rails
+  selenium-webdriver
+  sprockets-rails
+  stimulus-rails
+  tailwindcss-rails
+  turbo-rails
+  tzinfo-data
+  web-console
+
+RUBY VERSION
+   ruby 3.1.2p20
+
+BUNDLED WITH
+   2.5.3

Procfile.dev

@@ -0,0 +1,3 @@
+# web: env RUBY_DEBUG_OPEN=true bin/rails server --port 3000
+web: bin/rails server --port 3000
+css: bin/rails tailwindcss:watch

README.md

@@ -0,0 +1,37 @@
+# README
+
+## database.yml
+
+```yaml
+[...]
+development:
+  <<: *default
+  database: ruby-debug
+  user: ruby-debug
+  password: ruby-debug
+  host: ct1.lxd
+[...]
+```
+
+rails generate scaffold score name:string grade:integer
+rails db:migrate
+
+## Gemfile
+```yaml
+group :development do
+  [...]
+  gem 'rubocop', require: false
+end
+```
+
+## Debugger via ruby-lsp
+* run OK, but without Procfile (no more tailwincss/watch)
+* attach disfunctions (attach PORT but no interaction/stop/run)
+
+## Extensions
+
+* [x] Ruby-lsp
+  * [x] Ruby-lsp-rails
+* [x] Ruby Db Schema
+* [x] Markdown All in One
+

Rakefile

@@ -0,0 +1,6 @@
+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require_relative "config/application"
+
+Rails.application.load_tasks

app/assets/config/manifest.js

@@ -0,0 +1,5 @@
+//= link_tree ../images
+//= link_directory ../stylesheets .css
+//= link_tree ../../javascript .js
+//= link_tree ../../../vendor/javascript .js
+//= link_tree ../builds

app/assets/stylesheets/application.css

@@ -0,0 +1,15 @@
+/*
+ * This is a manifest file that'll be compiled into application.css, which will include all the files
+ * listed below.
+ *
+ * Any CSS (and SCSS, if configured) file within this directory, lib/assets/stylesheets, or any plugin's
+ * vendor/assets/stylesheets directory can be referenced here using a relative path.
+ *
+ * You're free to add application-wide styles to this file and they'll appear at the bottom of the
+ * compiled file so the styles you add here take precedence over styles defined in any other CSS
+ * files in this directory. Styles in this file should be added after the last require_* statement.
+ * It is generally better to create a new file per style scope.
+ *
+ *= require_tree .
+ *= require_self
+ */

app/assets/stylesheets/application.tailwind.css

@@ -0,0 +1,13 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+/*
+
+@layer components {
+  .btn-primary {
+    @apply py-2 px-4 bg-blue-200;
+  }
+}
+
+*/

app/channels/application_cable/channel.rb

@@ -0,0 +1,4 @@
+module ApplicationCable
+  class Channel < ActionCable::Channel::Base
+  end
+end

app/channels/application_cable/connection.rb

@@ -0,0 +1,4 @@
+module ApplicationCable
+  class Connection < ActionCable::Connection::Base
+  end
+end

app/controllers/application_controller.rb

@@ -0,0 +1,2 @@
+class ApplicationController < ActionController::Base
+end

app/controllers/scores_controller.rb

@@ -0,0 +1,62 @@
+# ScoresController define Score and Grade interactions
+class ScoresController < ApplicationController
+  before_action :set_score, only: %i[show edit update destroy]
+
+  # GET /scores
+  def index
+    @scores = Score.all
+    puts 'hello'
+  end
+
+  # GET /scores/1
+  def show
+    puts "show #{params}"
+  end
+
+  # GET /scores/new
+  def new
+    @score = Score.new
+  end
+
+  # GET /scores/1/edit
+  def edit; end
+
+  # POST /scores
+  def create
+    @score = Score.new(score_params)
+
+    if @score.save
+      redirect_to @score, notice: 'Score was successfully created.'
+    else
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  # PATCH/PUT /scores/1
+  def update
+    if @score.update(score_params)
+      redirect_to @score, notice: 'Score was successfully updated.', status: :see_other
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  # DELETE /scores/1
+  def destroy
+    @score.destroy!
+    redirect_to scores_url, notice: 'Score was successfully destroyed.', status: :see_other
+  end
+
+  private
+
+  # Use callbacks to share common setup or constraints between actions.
+  def set_score
+    @score = Score.find(params[:id])
+    @score.grade
+  end
+
+  # Only allow a list of trusted parameters through.
+  def score_params
+    params.require(:score).permit(:name, :grade)
+  end
+end

app/extra/toto.rb

@@ -0,0 +1,16 @@
+module Extra
+  # Toto est fluo
+  class Toto
+    def ok; end
+
+    # this is a barman
+    def bar(ahaha, bzazaza, crezre)
+      puts "#{ahaha}#{bzazaza}#{crezre}"
+    end
+
+    def candel
+      bar('a', 'aezeaz')
+      Toto
+    end
+  end
+end

app/helpers/application_helper.rb

@@ -0,0 +1,2 @@
+module ApplicationHelper
+end

app/helpers/scores_helper.rb

@@ -0,0 +1,2 @@
+module ScoresHelper
+end

app/javascript/application.js

@@ -0,0 +1,3 @@
+// Configure your import map in config/importmap.rb. Read more: https://github.com/rails/importmap-rails
+import "@hotwired/turbo-rails"
+import "controllers"

app/javascript/controllers/application.js

@@ -0,0 +1,9 @@
+import { Application } from "@hotwired/stimulus"
+
+const application = Application.start()
+
+// Configure Stimulus development experience
+application.debug = false
+window.Stimulus   = application
+
+export { application }

app/javascript/controllers/hello_controller.js

@@ -0,0 +1,7 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  connect() {
+    this.element.textContent = "Hello World!"
+  }
+}

app/javascript/controllers/index.js

@@ -0,0 +1,11 @@
+// Import and register all your controllers from the importmap under controllers/*
+
+import { application } from "controllers/application"
+
+// Eager load all controllers defined in the import map under controllers/**/*_controller
+import { eagerLoadControllersFrom } from "@hotwired/stimulus-loading"
+eagerLoadControllersFrom("controllers", application)
+
+// Lazy load controllers as they appear in the DOM (remember not to preload controllers in import map!)
+// import { lazyLoadControllersFrom } from "@hotwired/stimulus-loading"
+// lazyLoadControllersFrom("controllers", application)

app/jobs/application_job.rb

@@ -0,0 +1,7 @@
+class ApplicationJob < ActiveJob::Base
+  # Automatically retry jobs that encountered a deadlock
+  # retry_on ActiveRecord::Deadlocked
+
+  # Most jobs are safe to ignore if the underlying records are no longer available
+  # discard_on ActiveJob::DeserializationError
+end

app/mailers/application_mailer.rb

@@ -0,0 +1,4 @@
+class ApplicationMailer < ActionMailer::Base
+  default from: "from@example.com"
+  layout "mailer"
+end

app/models/application_record.rb

@@ -0,0 +1,3 @@
+class ApplicationRecord < ActiveRecord::Base
+  primary_abstract_class
+end

app/models/score.rb

@@ -0,0 +1,2 @@
+class Score < ApplicationRecord
+end

app/views/layouts/application.html.erb

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Debug</title>
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <%= csrf_meta_tags %>
+    <%= csp_meta_tag %>
+    <%= stylesheet_link_tag "tailwind", "inter-font", "data-turbo-track": "reload" %>
+
+    <%= stylesheet_link_tag "application", "data-turbo-track": "reload" %>
+    <%= javascript_importmap_tags %>
+  </head>
+
+  <body>
+    <main class="container mx-auto mt-28 px-5 flex">
+      <%= yield %>
+    </main>
+  </body>
+</html>

app/views/layouts/mailer.html.erb

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <style>
+      /* Email styles need to be inline */
+    </style>
+  </head>
+
+  <body>
+    <%= yield %>
+  </body>
+</html>

app/views/layouts/mailer.text.erb

@@ -0,0 +1 @@
+<%= yield %>

app/views/scores/_form.html.erb

@@ -0,0 +1,27 @@
+<%= form_with(model: score, class: "contents") do |form| %>
+  <% if score.errors.any? %>
+    <div id="error_explanation" class="bg-red-50 text-red-500 px-3 py-2 font-medium rounded-lg mt-3">
+      <h2><%= pluralize(score.errors.count, "error") %> prohibited this score from being saved:</h2>
+
+      <ul>
+        <% score.errors.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="my-5">
+    <%= form.label :name %>
+    <%= form.text_field :name, class: "block shadow rounded-md border border-gray-200 outline-none px-3 py-2 mt-2 w-full" %>
+  </div>
+
+  <div class="my-5">
+    <%= form.label :grade %>
+    <%= form.number_field :grade, class: "block shadow rounded-md border border-gray-200 outline-none px-3 py-2 mt-2 w-full" %>
+  </div>
+
+  <div class="inline">
+    <%= form.submit class: "rounded-lg py-3 px-5 bg-blue-600 text-white inline-block font-medium cursor-pointer" %>
+  </div>
+<% end %>

app/views/scores/_score.html.erb

@@ -0,0 +1,17 @@
+<div id="<%= dom_id score %>">
+  <p class="my-5">
+    <strong class="block font-medium mb-1">Name:</strong>
+    <%= score.name %>
+  </p>
+
+  <p class="my-5">
+    <strong class="block font-medium mb-1">Grade:</strong>
+    <%= score.grade %>
+  </p>
+
+  <% if action_name != "show" %>
+    <%= link_to "Show this score", score, class: "rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+    <%= link_to "Edit this score", edit_score_path(score), class: "rounded-lg py-3 ml-2 px-5 bg-gray-100 inline-block font-medium" %>
+    <hr class="mt-6">
+  <% end %>
+</div>

app/views/scores/edit.html.erb

@@ -0,0 +1,8 @@
+<div class="mx-auto md:w-2/3 w-full">
+  <h1 class="font-bold text-4xl">Editing score</h1>
+
+    <%= render "form", score: @score %>
+
+  <%= link_to "Show this score", @score, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+  <%= link_to "Back to scores", scores_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+</div>

app/views/scores/index.html.erb

@@ -0,0 +1,14 @@
+<div class="w-full">
+  <% if notice.present? %>
+    <p class="py-2 px-3 bg-green-50 mb-5 text-green-500 font-medium rounded-lg inline-block" id="notice"><%= notice %></p>
+  <% end %>
+
+  <div class="flex justify-between items-center">
+    <h1 class="font-bold text-4xl">Scores</h1>
+    <%= link_to "New score", new_score_path, class: "rounded-lg py-3 px-5 bg-blue-600 text-white block font-medium" %>
+  </div>
+
+  <div id="scores" class="min-w-full">
+    <%= render @scores %>
+  </div>
+</div>

app/views/scores/new.html.erb

@@ -0,0 +1,7 @@
+<div class="mx-auto md:w-2/3 w-full">
+  <h1 class="font-bold text-4xl">New score</h1>
+
+  <%= render "form", score: @score %>
+
+  <%= link_to "Back to scores", scores_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+</div>

app/views/scores/show.html.erb

@@ -0,0 +1,15 @@
+<div class="mx-auto md:w-2/3 w-full flex">
+  <div class="mx-auto">
+    <% if notice.present? %>
+      <p class="py-2 px-3 bg-green-50 mb-5 text-green-500 font-medium rounded-lg inline-block" id="notice"><%= notice %></p>
+    <% end %>
+
+    <%= render @score %>
+
+    <%= link_to "Edit this score", edit_score_path(@score), class: "mt-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+    <div class="inline-block ml-2">
+      <%= button_to "Destroy this score", score_path(@score), method: :delete, class: "mt-2 rounded-lg py-3 px-5 bg-gray-100 font-medium" %>
+    </div>
+    <%= link_to "Back to scores", scores_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+  </div>
+</div>

bin/bundle

@@ -0,0 +1,109 @@
+#!/usr/bin/env ruby3.1
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'bundle' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "rubygems"
+
+m = Module.new do
+  module_function
+
+  def invoked_as_script?
+    File.expand_path($0) == File.expand_path(__FILE__)
+  end
+
+  def env_var_version
+    ENV["BUNDLER_VERSION"]
+  end
+
+  def cli_arg_version
+    return unless invoked_as_script? # don't want to hijack other binstubs
+    return unless "update".start_with?(ARGV.first || " ") # must be running `bundle update`
+    bundler_version = nil
+    update_index = nil
+    ARGV.each_with_index do |a, i|
+      if update_index && update_index.succ == i && a.match?(Gem::Version::ANCHORED_VERSION_PATTERN)
+        bundler_version = a
+      end
+      next unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/
+      bundler_version = $1
+      update_index = i
+    end
+    bundler_version
+  end
+
+  def gemfile
+    gemfile = ENV["BUNDLE_GEMFILE"]
+    return gemfile if gemfile && !gemfile.empty?
+
+    File.expand_path("../Gemfile", __dir__)
+  end
+
+  def lockfile
+    lockfile =
+      case File.basename(gemfile)
+      when "gems.rb" then gemfile.sub(/\.rb$/, ".locked")
+      else "#{gemfile}.lock"
+      end
+    File.expand_path(lockfile)
+  end
+
+  def lockfile_version
+    return unless File.file?(lockfile)
+    lockfile_contents = File.read(lockfile)
+    return unless lockfile_contents =~ /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
+    Regexp.last_match(1)
+  end
+
+  def bundler_requirement
+    @bundler_requirement ||=
+      env_var_version ||
+      cli_arg_version ||
+      bundler_requirement_for(lockfile_version)
+  end
+
+  def bundler_requirement_for(version)
+    return "#{Gem::Requirement.default}.a" unless version
+
+    bundler_gem_version = Gem::Version.new(version)
+
+    bundler_gem_version.approximate_recommendation
+  end
+
+  def load_bundler!
+    ENV["BUNDLE_GEMFILE"] ||= gemfile
+
+    activate_bundler
+  end
+
+  def activate_bundler
+    gem_error = activation_error_handling do
+      gem "bundler", bundler_requirement
+    end
+    return if gem_error.nil?
+    require_error = activation_error_handling do
+      require "bundler/version"
+    end
+    return if require_error.nil? && Gem::Requirement.new(bundler_requirement).satisfied_by?(Gem::Version.new(Bundler::VERSION))
+    warn "Activating bundler (#{bundler_requirement}) failed:\n#{gem_error.message}\n\nTo install the version of bundler this project requires, run `gem install bundler -v '#{bundler_requirement}'`"
+    exit 42
+  end
+
+  def activation_error_handling
+    yield
+    nil
+  rescue StandardError, LoadError => e
+    e
+  end
+end
+
+m.load_bundler!
+
+if m.invoked_as_script?
+  load Gem.bin_path("bundler", "bundle")
+end

bin/dev

@@ -0,0 +1,8 @@
+#!/usr/bin/env sh
+
+if ! gem list foreman -i --silent; then
+  echo "Installing foreman..."
+  gem install foreman
+fi
+
+exec foreman start -f Procfile.dev "$@"

bin/importmap

@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+
+require_relative "../config/application"
+require "importmap/commands"

bin/rails

@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+APP_PATH = File.expand_path("../config/application", __dir__)
+require_relative "../config/boot"
+require "rails/commands"

bin/rake

@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+require_relative "../config/boot"
+require "rake"
+Rake.application.run

bin/setup

@@ -0,0 +1,33 @@
+#!/usr/bin/env ruby
+require "fileutils"
+
+# path to your application root.
+APP_ROOT = File.expand_path("..", __dir__)
+
+def system!(*args)
+  system(*args, exception: true)
+end
+
+FileUtils.chdir APP_ROOT do
+  # This script is a way to set up or update your development environment automatically.
+  # This script is idempotent, so that you can run it at any time and get an expectable outcome.
+  # Add necessary setup steps to this file.
+
+  puts "== Installing dependencies =="
+  system! "gem install bundler --conservative"
+  system("bundle check") || system!("bundle install")
+
+  # puts "\n== Copying sample files =="
+  # unless File.exist?("config/database.yml")
+  #   FileUtils.cp "config/database.yml.sample", "config/database.yml"
+  # end
+
+  puts "\n== Preparing database =="
+  system! "bin/rails db:prepare"
+
+  puts "\n== Removing old logs and tempfiles =="
+  system! "bin/rails log:clear tmp:clear"
+
+  puts "\n== Restarting application server =="
+  system! "bin/rails restart"
+end

config.ru

@@ -0,0 +1,6 @@
+# This file is used by Rack-based servers to start the application.
+
+require_relative "config/environment"
+
+run Rails.application
+Rails.application.load_server

config/application.rb

@@ -0,0 +1,27 @@
+require_relative "boot"
+
+require "rails/all"
+
+# Require the gems listed in Gemfile, including any gems
+# you've limited to :test, :development, or :production.
+Bundler.require(*Rails.groups)
+
+module Debug
+  class Application < Rails::Application
+    # Initialize configuration defaults for originally generated Rails version.
+    config.load_defaults 7.1
+
+    # Please, add to the `ignore` list any other `lib` subdirectories that do
+    # not contain `.rb` files, or that should not be reloaded or eager loaded.
+    # Common ones are `templates`, `generators`, or `middleware`, for example.
+    config.autoload_lib(ignore: %w(assets tasks))
+
+    # Configuration for the application, engines, and railties goes here.
+    #
+    # These settings can be overridden in specific environments using the files
+    # in config/environments, which are processed later.
+    #
+    # config.time_zone = "Central Time (US & Canada)"
+    # config.eager_load_paths << Rails.root.join("extras")
+  end
+end

config/boot.rb

@@ -0,0 +1,4 @@
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+
+require "bundler/setup" # Set up gems listed in the Gemfile.
+require "bootsnap/setup" # Speed up boot time by caching expensive operations.

config/cable.yml

@@ -0,0 +1,10 @@
+development:
+  adapter: async
+
+test:
+  adapter: test
+
+production:
+  adapter: redis
+  url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
+  channel_prefix: debug_production

config/credentials.yml.enc

@@ -0,0 +1 @@
+ovaxoKSdeiJV/0e9nt/RCPbgD4eLKQx5geprTnxq0T78p96rxxS3qunfyIbgObLgcysLKbDi1qoJ33Z+U4j+eWa7t5kquJgLl3bo/AcHyRyCmUy4dCaxwb0bJ2PP5RPlhDzGIoCY1AZay7wCw9+ePnarGVsFcRgC6B9NdDocb3EQZ3g0eISCS8v7jiMBhxknThj2pVePl2ixcghcUAPA4JP6p0ePcWsBEpNGN18RSyDnkVh4eWVSHU1c7owQspeWKeshUs70NiIO4JlntKlnRIW6mO9iibU87k/oRsCZHvlYAc7gKDVB8P6B18qFFnSy6+rfblO3Mn3SdIpa8jaOZBREUt01RBg69Hln2pKiJq0k96Ozlx5z/XtMsHZUBJaKn1vGR1Qc1JzSJIJbiEvpVYxpuler--ZJsF6A9JzD2mo1Sn--1If3OCLqzTlwiT3Gp+u1EQ==

config/database.yml

@@ -0,0 +1,87 @@
+# PostgreSQL. Versions 9.3 and up are supported.
+#
+# Install the pg driver:
+#   gem install pg
+# On macOS with Homebrew:
+#   gem install pg -- --with-pg-config=/usr/local/bin/pg_config
+# On Windows:
+#   gem install pg
+#       Choose the win32 build.
+#       Install PostgreSQL and put its /bin directory on your path.
+#
+# Configure Using Gemfile
+# gem "pg"
+#
+default: &default
+  adapter: postgresql
+  encoding: unicode
+  # For details on connection pooling, see Rails configuration guide
+  # https://guides.rubyonrails.org/configuring.html#database-pooling
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+
+development:
+  <<: *default
+  database: ruby-debug
+  user: ruby-debug
+  password: ruby-debug
+  host: ct1.lxd
+  
+  # The specified database role being used to connect to PostgreSQL.
+  # To create additional roles in PostgreSQL see `$ createuser --help`.
+  # When left blank, PostgreSQL will use the default role. This is
+  # the same name as the operating system user running Rails.
+  #username: debug
+
+  # The password associated with the PostgreSQL role (username).
+  #password:
+
+  # Connect on a TCP socket. Omitted by default since the client uses a
+  # domain socket that doesn't need configuration. Windows does not have
+  # domain sockets, so uncomment these lines.
+  #host: localhost
+
+  # The TCP port the server listens on. Defaults to 5432.
+  # If your server runs on a different port number, change accordingly.
+  #port: 5432
+
+  # Schema search path. The server defaults to $user,public
+  #schema_search_path: myapp,sharedapp,public
+
+  # Minimum log levels, in increasing order:
+  #   debug5, debug4, debug3, debug2, debug1,
+  #   log, notice, warning, error, fatal, and panic
+  # Defaults to warning.
+  #min_messages: notice
+
+# Warning: The database defined as "test" will be erased and
+# re-generated from your development database when you run "rake".
+# Do not set this db to the same as development or production.
+test:
+  <<: *default
+  database: debug_test
+
+# As with config/credentials.yml, you never want to store sensitive information,
+# like your database password, in your source code. If your source code is
+# ever seen by anyone, they now have access to your database.
+#
+# Instead, provide the password or a full connection URL as an environment
+# variable when you boot the app. For example:
+#
+#   DATABASE_URL="postgres://myuser:mypass@localhost/somedatabase"
+#
+# If the connection URL is provided in the special DATABASE_URL environment
+# variable, Rails will automatically merge its configuration values on top of
+# the values provided in this file. Alternatively, you can specify a connection
+# URL environment variable explicitly:
+#
+#   production:
+#     url: <%= ENV["MY_APP_DATABASE_URL"] %>
+#
+# Read https://guides.rubyonrails.org/configuring.html#configuring-a-database
+# for a full overview on how database connection configuration can be specified.
+#
+production:
+  <<: *default
+  database: debug_production
+  username: debug
+  password: <%= ENV["DEBUG_DATABASE_PASSWORD"] %>

config/environment.rb

@@ -0,0 +1,5 @@
+# Load the Rails application.
+require_relative "application"
+
+# Initialize the Rails application.
+Rails.application.initialize!

config/environments/development.rb

@@ -0,0 +1,76 @@
+require "active_support/core_ext/integer/time"
+
+Rails.application.configure do
+  # Settings specified here will take precedence over those in config/application.rb.
+
+  # In the development environment your application's code is reloaded any time
+  # it changes. This slows down response time but is perfect for development
+  # since you don't have to restart the web server when you make code changes.
+  config.enable_reloading = true
+
+  # Do not eager load code on boot.
+  config.eager_load = false
+
+  # Show full error reports.
+  config.consider_all_requests_local = true
+
+  # Enable server timing
+  config.server_timing = true
+
+  # Enable/disable caching. By default caching is disabled.
+  # Run rails dev:cache to toggle caching.
+  if Rails.root.join("tmp/caching-dev.txt").exist?
+    config.action_controller.perform_caching = true
+    config.action_controller.enable_fragment_cache_logging = true
+
+    config.cache_store = :memory_store
+    config.public_file_server.headers = {
+      "Cache-Control" => "public, max-age=#{2.days.to_i}"
+    }
+  else
+    config.action_controller.perform_caching = false
+
+    config.cache_store = :null_store
+  end
+
+  # Store uploaded files on the local file system (see config/storage.yml for options).
+  config.active_storage.service = :local
+
+  # Don't care if the mailer can't send.
+  config.action_mailer.raise_delivery_errors = false
+
+  config.action_mailer.perform_caching = false
+
+  # Print deprecation notices to the Rails logger.
+  config.active_support.deprecation = :log
+
+  # Raise exceptions for disallowed deprecations.
+  config.active_support.disallowed_deprecation = :raise
+
+  # Tell Active Support which deprecation messages to disallow.
+  config.active_support.disallowed_deprecation_warnings = []
+
+  # Raise an error on page load if there are pending migrations.
+  config.active_record.migration_error = :page_load
+
+  # Highlight code that triggered database queries in logs.
+  config.active_record.verbose_query_logs = true
+
+  # Highlight code that enqueued background job in logs.
+  config.active_job.verbose_enqueue_logs = true
+
+  # Suppress logger output for asset requests.
+  config.assets.quiet = true
+
+  # Raises error for missing translations.
+  # config.i18n.raise_on_missing_translations = true
+
+  # Annotate rendered view with file names.
+  # config.action_view.annotate_rendered_view_with_filenames = true
+
+  # Uncomment if you wish to allow Action Cable access from any origin.
+  # config.action_cable.disable_request_forgery_protection = true
+
+  # Raise error when a before_action's only/except options reference missing actions
+  config.action_controller.raise_on_missing_callback_actions = true
+end

config/environments/production.rb

@@ -0,0 +1,97 @@
+require "active_support/core_ext/integer/time"
+
+Rails.application.configure do
+  # Settings specified here will take precedence over those in config/application.rb.
+
+  # Code is not reloaded between requests.
+  config.enable_reloading = false
+
+  # Eager load code on boot. This eager loads most of Rails and
+  # your application in memory, allowing both threaded web servers
+  # and those relying on copy on write to perform better.
+  # Rake tasks automatically ignore this option for performance.
+  config.eager_load = true
+
+  # Full error reports are disabled and caching is turned on.
+  config.consider_all_requests_local = false
+  config.action_controller.perform_caching = true
+
+  # Ensures that a master key has been made available in ENV["RAILS_MASTER_KEY"], config/master.key, or an environment
+  # key such as config/credentials/production.key. This key is used to decrypt credentials (and other encrypted files).
+  # config.require_master_key = true
+
+  # Disable serving static files from `public/`, relying on NGINX/Apache to do so instead.
+  # config.public_file_server.enabled = false
+
+  # Compress CSS using a preprocessor.
+  # config.assets.css_compressor = :sass
+
+  # Do not fallback to assets pipeline if a precompiled asset is missed.
+  config.assets.compile = false
+
+  # Enable serving of images, stylesheets, and JavaScripts from an asset server.
+  # config.asset_host = "http://assets.example.com"
+
+  # Specifies the header that your server uses for sending files.
+  # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for Apache
+  # config.action_dispatch.x_sendfile_header = "X-Accel-Redirect" # for NGINX
+
+  # Store uploaded files on the local file system (see config/storage.yml for options).
+  config.active_storage.service = :local
+
+  # Mount Action Cable outside main process or domain.
+  # config.action_cable.mount_path = nil
+  # config.action_cable.url = "wss://example.com/cable"
+  # config.action_cable.allowed_request_origins = [ "http://example.com", /http:\/\/example.*/ ]
+
+  # Assume all access to the app is happening through a SSL-terminating reverse proxy.
+  # Can be used together with config.force_ssl for Strict-Transport-Security and secure cookies.
+  # config.assume_ssl = true
+
+  # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
+  config.force_ssl = true
+
+  # Log to STDOUT by default
+  config.logger = ActiveSupport::Logger.new(STDOUT)
+    .tap  { |logger| logger.formatter = ::Logger::Formatter.new }
+    .then { |logger| ActiveSupport::TaggedLogging.new(logger) }
+
+  # Prepend all log lines with the following tags.
+  config.log_tags = [ :request_id ]
+
+  # Info include generic and useful information about system operation, but avoids logging too much
+  # information to avoid inadvertent exposure of personally identifiable information (PII). If you
+  # want to log everything, set the level to "debug".
+  config.log_level = ENV.fetch("RAILS_LOG_LEVEL", "info")
+
+  # Use a different cache store in production.
+  # config.cache_store = :mem_cache_store
+
+  # Use a real queuing backend for Active Job (and separate queues per environment).
+  # config.active_job.queue_adapter = :resque
+  # config.active_job.queue_name_prefix = "debug_production"
+
+  config.action_mailer.perform_caching = false
+
+  # Ignore bad email addresses and do not raise email delivery errors.
+  # Set this to true and configure the email server for immediate delivery to raise delivery errors.
+  # config.action_mailer.raise_delivery_errors = false
+
+  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
+  # the I18n.default_locale when a translation cannot be found).
+  config.i18n.fallbacks = true
+
+  # Don't log any deprecations.
+  config.active_support.report_deprecations = false
+
+  # Do not dump schema after migrations.
+  config.active_record.dump_schema_after_migration = false
+
+  # Enable DNS rebinding protection and other `Host` header attacks.
+  # config.hosts = [
+  #   "example.com",     # Allow requests from example.com
+  #   /.*\.example\.com/ # Allow requests from subdomains like `www.example.com`
+  # ]
+  # Skip DNS rebinding protection for the default health check endpoint.
+  # config.host_authorization = { exclude: ->(request) { request.path == "/up" } }
+end

config/environments/test.rb

@@ -0,0 +1,64 @@
+require "active_support/core_ext/integer/time"
+
+# The test environment is used exclusively to run your application's
+# test suite. You never need to work with it otherwise. Remember that
+# your test database is "scratch space" for the test suite and is wiped
+# and recreated between test runs. Don't rely on the data there!
+
+Rails.application.configure do
+  # Settings specified here will take precedence over those in config/application.rb.
+
+  # While tests run files are not watched, reloading is not necessary.
+  config.enable_reloading = false
+
+  # Eager loading loads your entire application. When running a single test locally,
+  # this is usually not necessary, and can slow down your test suite. However, it's
+  # recommended that you enable it in continuous integration systems to ensure eager
+  # loading is working properly before deploying your code.
+  config.eager_load = ENV["CI"].present?
+
+  # Configure public file server for tests with Cache-Control for performance.
+  config.public_file_server.enabled = true
+  config.public_file_server.headers = {
+    "Cache-Control" => "public, max-age=#{1.hour.to_i}"
+  }
+
+  # Show full error reports and disable caching.
+  config.consider_all_requests_local = true
+  config.action_controller.perform_caching = false
+  config.cache_store = :null_store
+
+  # Render exception templates for rescuable exceptions and raise for other exceptions.
+  config.action_dispatch.show_exceptions = :rescuable
+
+  # Disable request forgery protection in test environment.
+  config.action_controller.allow_forgery_protection = false
+
+  # Store uploaded files on the local file system in a temporary directory.
+  config.active_storage.service = :test
+
+  config.action_mailer.perform_caching = false
+
+  # Tell Action Mailer not to deliver emails to the real world.
+  # The :test delivery method accumulates sent emails in the
+  # ActionMailer::Base.deliveries array.
+  config.action_mailer.delivery_method = :test
+
+  # Print deprecation notices to the stderr.
+  config.active_support.deprecation = :stderr
+
+  # Raise exceptions for disallowed deprecations.
+  config.active_support.disallowed_deprecation = :raise
+
+  # Tell Active Support which deprecation messages to disallow.
+  config.active_support.disallowed_deprecation_warnings = []
+
+  # Raises error for missing translations.
+  # config.i18n.raise_on_missing_translations = true
+
+  # Annotate rendered view with file names.
+  # config.action_view.annotate_rendered_view_with_filenames = true
+
+  # Raise error when a before_action's only/except options reference missing actions
+  config.action_controller.raise_on_missing_callback_actions = true
+end

config/importmap.rb

@@ -0,0 +1,7 @@
+# Pin npm packages by running ./bin/importmap
+
+pin "application"
+pin "@hotwired/turbo-rails", to: "turbo.min.js", preload: true
+pin "@hotwired/stimulus", to: "stimulus.min.js"
+pin "@hotwired/stimulus-loading", to: "stimulus-loading.js"
+pin_all_from "app/javascript/controllers", under: "controllers"

config/initializers/assets.rb

@@ -0,0 +1,12 @@
+# Be sure to restart your server when you modify this file.
+
+# Version of your assets, change this if you want to expire all your assets.
+Rails.application.config.assets.version = "1.0"
+
+# Add additional assets to the asset load path.
+# Rails.application.config.assets.paths << Emoji.images_path
+
+# Precompile additional assets.
+# application.js, application.css, and all non-JS/CSS in the app/assets
+# folder are already added.
+# Rails.application.config.assets.precompile += %w( admin.js admin.css )

config/initializers/content_security_policy.rb

@@ -0,0 +1,25 @@
+# Be sure to restart your server when you modify this file.
+
+# Define an application-wide content security policy.
+# See the Securing Rails Applications Guide for more information:
+# https://guides.rubyonrails.org/security.html#content-security-policy-header
+
+# Rails.application.configure do
+#   config.content_security_policy do |policy|
+#     policy.default_src :self, :https
+#     policy.font_src    :self, :https, :data
+#     policy.img_src     :self, :https, :data
+#     policy.object_src  :none
+#     policy.script_src  :self, :https
+#     policy.style_src   :self, :https
+#     # Specify URI for violation reports
+#     # policy.report_uri "/csp-violation-report-endpoint"
+#   end
+#
+#   # Generate session nonces for permitted importmap, inline scripts, and inline styles.
+#   config.content_security_policy_nonce_generator = ->(request) { request.session.id.to_s }
+#   config.content_security_policy_nonce_directives = %w(script-src style-src)
+#
+#   # Report violations without enforcing the policy.
+#   # config.content_security_policy_report_only = true
+# end

config/initializers/filter_parameter_logging.rb

@@ -0,0 +1,8 @@
+# Be sure to restart your server when you modify this file.
+
+# Configure parameters to be partially matched (e.g. passw matches password) and filtered from the log file.
+# Use this to limit dissemination of sensitive information.
+# See the ActiveSupport::ParameterFilter documentation for supported notations and behaviors.
+Rails.application.config.filter_parameters += [
+  :passw, :secret, :token, :_key, :crypt, :salt, :certificate, :otp, :ssn
+]

config/initializers/inflections.rb

@@ -0,0 +1,16 @@
+# Be sure to restart your server when you modify this file.
+
+# Add new inflection rules using the following format. Inflections
+# are locale specific, and you may define rules for as many different
+# locales as you wish. All of these examples are active by default:
+# ActiveSupport::Inflector.inflections(:en) do |inflect|
+#   inflect.plural /^(ox)$/i, "\\1en"
+#   inflect.singular /^(ox)en/i, "\\1"
+#   inflect.irregular "person", "people"
+#   inflect.uncountable %w( fish sheep )
+# end
+
+# These inflection rules are supported but not enabled by default:
+# ActiveSupport::Inflector.inflections(:en) do |inflect|
+#   inflect.acronym "RESTful"
+# end

config/initializers/permissions_policy.rb

@@ -0,0 +1,13 @@
+# Be sure to restart your server when you modify this file.
+
+# Define an application-wide HTTP permissions policy. For further
+# information see: https://developers.google.com/web/updates/2018/06/feature-policy
+
+# Rails.application.config.permissions_policy do |policy|
+#   policy.camera      :none
+#   policy.gyroscope   :none
+#   policy.microphone  :none
+#   policy.usb         :none
+#   policy.fullscreen  :self
+#   policy.payment     :self, "https://secure.example.com"
+# end

config/locales/en.yml

@@ -0,0 +1,31 @@
+# Files in the config/locales directory are used for internationalization and
+# are automatically loaded by Rails. If you want to use locales other than
+# English, add the necessary files in this directory.
+#
+# To use the locales, use `I18n.t`:
+#
+#     I18n.t "hello"
+#
+# In views, this is aliased to just `t`:
+#
+#     <%= t("hello") %>
+#
+# To use a different locale, set it with `I18n.locale`:
+#
+#     I18n.locale = :es
+#
+# This would use the information in config/locales/es.yml.
+#
+# To learn more about the API, please read the Rails Internationalization guide
+# at https://guides.rubyonrails.org/i18n.html.
+#
+# Be aware that YAML interprets the following case-insensitive strings as
+# booleans: `true`, `false`, `on`, `off`, `yes`, `no`. Therefore, these strings
+# must be quoted to be interpreted as strings. For example:
+#
+#     en:
+#       "yes": yup
+#       enabled: "ON"
+
+en:
+  hello: "Hello world"

config/puma.rb

@@ -0,0 +1,35 @@
+# This configuration file will be evaluated by Puma. The top-level methods that
+# are invoked here are part of Puma's configuration DSL. For more information
+# about methods provided by the DSL, see https://puma.io/puma/Puma/DSL.html.
+
+# Puma can serve each request in a thread from an internal thread pool.
+# The `threads` method setting takes two numbers: a minimum and maximum.
+# Any libraries that use thread pools should be configured to match
+# the maximum value specified for Puma. Default is set to 5 threads for minimum
+# and maximum; this matches the default thread size of Active Record.
+max_threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
+min_threads_count = ENV.fetch("RAILS_MIN_THREADS") { max_threads_count }
+threads min_threads_count, max_threads_count
+
+# Specifies that the worker count should equal the number of processors in production.
+if ENV["RAILS_ENV"] == "production"
+  require "concurrent-ruby"
+  worker_count = Integer(ENV.fetch("WEB_CONCURRENCY") { Concurrent.physical_processor_count })
+  workers worker_count if worker_count > 1
+end
+
+# Specifies the `worker_timeout` threshold that Puma will use to wait before
+# terminating a worker in development environments.
+worker_timeout 3600 if ENV.fetch("RAILS_ENV", "development") == "development"
+
+# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
+port ENV.fetch("PORT") { 3000 }
+
+# Specifies the `environment` that Puma will run in.
+environment ENV.fetch("RAILS_ENV") { "development" }
+
+# Specifies the `pidfile` that Puma will use.
+pidfile ENV.fetch("PIDFILE") { "tmp/pids/server.pid" }
+
+# Allow puma to be restarted by `bin/rails restart` command.
+plugin :tmp_restart

config/routes.rb

@@ -0,0 +1,11 @@
+Rails.application.routes.draw do
+  resources :scores
+  # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
+
+  # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.
+  # Can be used by load balancers and uptime monitors to verify that the app is live.
+  get "up" => "rails/health#show", as: :rails_health_check
+
+  # Defines the root path route ("/")
+  root "scores#index"
+end

config/storage.yml

@@ -0,0 +1,34 @@
+test:
+  service: Disk
+  root: <%= Rails.root.join("tmp/storage") %>
+
+local:
+  service: Disk
+  root: <%= Rails.root.join("storage") %>
+
+# Use bin/rails credentials:edit to set the AWS secrets (as aws:access_key_id|secret_access_key)
+# amazon:
+#   service: S3
+#   access_key_id: <%= Rails.application.credentials.dig(:aws, :access_key_id) %>
+#   secret_access_key: <%= Rails.application.credentials.dig(:aws, :secret_access_key) %>
+#   region: us-east-1
+#   bucket: your_own_bucket-<%= Rails.env %>
+
+# Remember not to checkin your GCS keyfile to a repository
+# google:
+#   service: GCS
+#   project: your_project
+#   credentials: <%= Rails.root.join("path/to/gcs.keyfile") %>
+#   bucket: your_own_bucket-<%= Rails.env %>
+
+# Use bin/rails credentials:edit to set the Azure Storage secret (as azure_storage:storage_access_key)
+# microsoft:
+#   service: AzureStorage
+#   storage_account_name: your_account_name
+#   storage_access_key: <%= Rails.application.credentials.dig(:azure_storage, :storage_access_key) %>
+#   container: your_container_name-<%= Rails.env %>
+
+# mirror:
+#   service: Mirror
+#   primary: local
+#   mirrors: [ amazon, google, microsoft ]

config/tailwind.config.js

@@ -0,0 +1,23 @@
+const defaultTheme = require('tailwindcss/defaultTheme')
+
+module.exports = {
+  content: [
+    './public/*.html',
+    './app/helpers/**/*.rb',
+    './app/javascript/**/*.js',
+    './app/views/**/*.{erb,haml,html,slim}'
+  ],
+  theme: {
+    extend: {
+      fontFamily: {
+        sans: ['Inter var', ...defaultTheme.fontFamily.sans],
+      },
+    },
+  },
+  plugins: [
+    require('@tailwindcss/forms'),
+    require('@tailwindcss/aspect-ratio'),
+    require('@tailwindcss/typography'),
+    require('@tailwindcss/container-queries'),
+  ]
+}

db/migrate/20240104070011_create_scores.rb

@@ -0,0 +1,10 @@
+class CreateScores < ActiveRecord::Migration[7.1]
+  def change
+    create_table :scores do |t|
+      t.string :name
+      t.integer :grade
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -0,0 +1,24 @@
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# This file is the source Rails uses to define your schema when running `bin/rails
+# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema[7.1].define(version: 2024_01_04_070011) do
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "plpgsql"
+
+  create_table "scores", force: :cascade do |t|
+    t.string "name"
+    t.integer "grade"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+end

db/seeds.rb

@@ -0,0 +1,9 @@
+# This file should ensure the existence of records required to run the application in every environment (production,
+# development, test). The code here should be idempotent so that it can be executed at any point in every environment.
+# The data can then be loaded with the bin/rails db:seed command (or created alongside the database with db:setup).
+#
+# Example:
+#
+#   ["Action", "Comedy", "Drama", "Horror"].each do |genre_name|
+#     MovieGenre.find_or_create_by!(name: genre_name)
+#   end

public/404.html

@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>The page you were looking for doesn't exist (404)</title>
+  <meta name="viewport" content="width=device-width,initial-scale=1">
+  <style>
+  .rails-default-error-page {
+    background-color: #EFEFEF;
+    color: #2E2F30;
+    text-align: center;
+    font-family: arial, sans-serif;
+    margin: 0;
+  }
+
+  .rails-default-error-page div.dialog {
+    width: 95%;
+    max-width: 33em;
+    margin: 4em auto 0;
+  }
+
+  .rails-default-error-page div.dialog > div {
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #BBB;
+    border-top: #B00100 solid 4px;
+    border-top-left-radius: 9px;
+    border-top-right-radius: 9px;
+    background-color: white;
+    padding: 7px 12% 0;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+
+  .rails-default-error-page h1 {
+    font-size: 100%;
+    color: #730E15;
+    line-height: 1.5em;
+  }
+
+  .rails-default-error-page div.dialog > p {
+    margin: 0 0 1em;
+    padding: 1em;
+    background-color: #F7F7F7;
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #999;
+    border-bottom-left-radius: 4px;
+    border-bottom-right-radius: 4px;
+    border-top-color: #DADADA;
+    color: #666;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+  </style>
+</head>
+
+<body class="rails-default-error-page">
+  <!-- This file lives in public/404.html -->
+  <div class="dialog">
+    <div>
+      <h1>The page you were looking for doesn't exist.</h1>
+      <p>You may have mistyped the address or the page may have moved.</p>
+    </div>
+    <p>If you are the application owner check the logs for more information.</p>
+  </div>
+</body>
+</html>

public/422.html

@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>The change you wanted was rejected (422)</title>
+  <meta name="viewport" content="width=device-width,initial-scale=1">
+  <style>
+  .rails-default-error-page {
+    background-color: #EFEFEF;
+    color: #2E2F30;
+    text-align: center;
+    font-family: arial, sans-serif;
+    margin: 0;
+  }
+
+  .rails-default-error-page div.dialog {
+    width: 95%;
+    max-width: 33em;
+    margin: 4em auto 0;
+  }
+
+  .rails-default-error-page div.dialog > div {
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #BBB;
+    border-top: #B00100 solid 4px;
+    border-top-left-radius: 9px;
+    border-top-right-radius: 9px;
+    background-color: white;
+    padding: 7px 12% 0;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+
+  .rails-default-error-page h1 {
+    font-size: 100%;
+    color: #730E15;
+    line-height: 1.5em;
+  }
+
+  .rails-default-error-page div.dialog > p {
+    margin: 0 0 1em;
+    padding: 1em;
+    background-color: #F7F7F7;
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #999;
+    border-bottom-left-radius: 4px;
+    border-bottom-right-radius: 4px;
+    border-top-color: #DADADA;
+    color: #666;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+  </style>
+</head>
+
+<body class="rails-default-error-page">
+  <!-- This file lives in public/422.html -->
+  <div class="dialog">
+    <div>
+      <h1>The change you wanted was rejected.</h1>
+      <p>Maybe you tried to change something you didn't have access to.</p>
+    </div>
+    <p>If you are the application owner check the logs for more information.</p>
+  </div>
+</body>
+</html>

public/500.html

@@ -0,0 +1,66 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>We're sorry, but something went wrong (500)</title>
+  <meta name="viewport" content="width=device-width,initial-scale=1">
+  <style>
+  .rails-default-error-page {
+    background-color: #EFEFEF;
+    color: #2E2F30;
+    text-align: center;
+    font-family: arial, sans-serif;
+    margin: 0;
+  }
+
+  .rails-default-error-page div.dialog {
+    width: 95%;
+    max-width: 33em;
+    margin: 4em auto 0;
+  }
+
+  .rails-default-error-page div.dialog > div {
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #BBB;
+    border-top: #B00100 solid 4px;
+    border-top-left-radius: 9px;
+    border-top-right-radius: 9px;
+    background-color: white;
+    padding: 7px 12% 0;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+
+  .rails-default-error-page h1 {
+    font-size: 100%;
+    color: #730E15;
+    line-height: 1.5em;
+  }
+
+  .rails-default-error-page div.dialog > p {
+    margin: 0 0 1em;
+    padding: 1em;
+    background-color: #F7F7F7;
+    border: 1px solid #CCC;
+    border-right-color: #999;
+    border-left-color: #999;
+    border-bottom-color: #999;
+    border-bottom-left-radius: 4px;
+    border-bottom-right-radius: 4px;
+    border-top-color: #DADADA;
+    color: #666;
+    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
+  }
+  </style>
+</head>
+
+<body class="rails-default-error-page">
+  <!-- This file lives in public/500.html -->
+  <div class="dialog">
+    <div>
+      <h1>We're sorry, but something went wrong.</h1>
+    </div>
+    <p>If you are the application owner check the logs for more information.</p>
+  </div>
+</body>
+</html>

public/robots.txt

@@ -0,0 +1 @@
+# See https://www.robotstxt.org/robotstxt.html for documentation on how to use the robots.txt file

test/application_system_test_case.rb

@@ -0,0 +1,5 @@
+require "test_helper"
+
+class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
+  driven_by :selenium, using: :chrome, screen_size: [1400, 1400]
+end

test/channels/application_cable/connection_test.rb

@@ -0,0 +1,13 @@
+require "test_helper"
+
+module ApplicationCable
+  class ConnectionTest < ActionCable::Connection::TestCase
+    # test "connects with cookies" do
+    #   cookies.signed[:user_id] = 42
+    #
+    #   connect
+    #
+    #   assert_equal connection.user_id, "42"
+    # end
+  end
+end

test/controllers/scores_controller_test.rb

@@ -0,0 +1,48 @@
+require "test_helper"
+
+class ScoresControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @score = scores(:one)
+  end
+
+  test "should get index" do
+    get scores_url
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_score_url
+    assert_response :success
+  end
+
+  test "should create score" do
+    assert_difference("Score.count") do
+      post scores_url, params: { score: { grade: @score.grade, name: @score.name } }
+    end
+
+    assert_redirected_to score_url(Score.last)
+  end
+
+  test "should show score" do
+    get score_url(@score)
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get edit_score_url(@score)
+    assert_response :success
+  end
+
+  test "should update score" do
+    patch score_url(@score), params: { score: { grade: @score.grade, name: @score.name } }
+    assert_redirected_to score_url(@score)
+  end
+
+  test "should destroy score" do
+    assert_difference("Score.count", -1) do
+      delete score_url(@score)
+    end
+
+    assert_redirected_to scores_url
+  end
+end

test/fixtures/scores.yml

@@ -0,0 +1,9 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+  grade: 1
+
+two:
+  name: MyString
+  grade: 1

test/models/score_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class ScoreTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/system/scores_test.rb

@@ -0,0 +1,43 @@
+require "application_system_test_case"
+
+class ScoresTest < ApplicationSystemTestCase
+  setup do
+    @score = scores(:one)
+  end
+
+  test "visiting the index" do
+    visit scores_url
+    assert_selector "h1", text: "Scores"
+  end
+
+  test "should create score" do
+    visit scores_url
+    click_on "New score"
+
+    fill_in "Grade", with: @score.grade
+    fill_in "Name", with: @score.name
+    click_on "Create Score"
+
+    assert_text "Score was successfully created"
+    click_on "Back"
+  end
+
+  test "should update Score" do
+    visit score_url(@score)
+    click_on "Edit this score", match: :first
+
+    fill_in "Grade", with: @score.grade
+    fill_in "Name", with: @score.name
+    click_on "Update Score"
+
+    assert_text "Score was successfully updated"
+    click_on "Back"
+  end
+
+  test "should destroy Score" do
+    visit score_url(@score)
+    click_on "Destroy this score", match: :first
+
+    assert_text "Score was successfully destroyed"
+  end
+end

test/test_helper.rb

@@ -0,0 +1,15 @@
+ENV["RAILS_ENV"] ||= "test"
+require_relative "../config/environment"
+require "rails/test_help"
+
+module ActiveSupport
+  class TestCase
+    # Run tests in parallel with specified workers
+    parallelize(workers: :number_of_processors)
+
+    # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
+    fixtures :all
+
+    # Add more helper methods to be used by all tests here...
+  end
+end