Add notes file

Gemfile

@@ -14,3 +14,7 @@ end
 group :development, :test do
   gem 'rubocop', '1.20'
 end
+
+gem "webrick", "~> 1.7"
+
+gem "rspec-expectations", "~> 3.11"

Gemfile.lock

@@ -5,51 +5,49 @@ GEM
       public_suffix (>= 2.0.2, < 5.0)
     ansi (1.5.0)
     ast (2.4.2)
-    capybara (3.35.3)
+    capybara (3.37.1)
       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)
-    diff-lcs (1.4.4)
+    diff-lcs (1.5.0)
     docile (1.4.0)
-    mini_mime (1.1.1)
-    mini_portile2 (2.6.1)
+    matrix (0.4.2)
+    mini_mime (1.1.2)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    nokogiri (1.12.3)
-      mini_portile2 (~> 2.6.1)
+    nokogiri (1.13.6-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.12.3-x86_64-darwin)
-      racc (~> 1.4)
-    parallel (1.20.1)
-    parser (3.0.2.0)
+    parallel (1.22.1)
+    parser (3.1.2.0)
       ast (~> 2.4.1)
-    public_suffix (4.0.6)
-    racc (1.5.2)
-    rack (2.2.3)
-    rack-protection (2.1.0)
+    public_suffix (4.0.7)
+    racc (1.6.0)
+    rack (2.2.4)
+    rack-protection (2.2.0)
       rack
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
-    rainbow (3.0.0)
-    regexp_parser (2.1.1)
+    rack-test (2.0.2)
+      rack (>= 1.3)
+    rainbow (3.1.1)
+    regexp_parser (2.5.0)
     rexml (3.2.5)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.1)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.1)
+    rspec (3.11.0)
+      rspec-core (~> 3.11.0)
+      rspec-expectations (~> 3.11.0)
+      rspec-mocks (~> 3.11.0)
+    rspec-core (3.11.0)
+      rspec-support (~> 3.11.0)
+    rspec-expectations (3.11.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.2)
+      rspec-support (~> 3.11.0)
+    rspec-mocks (3.11.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.2)
+      rspec-support (~> 3.11.0)
+    rspec-support (3.11.0)
     rubocop (1.20.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
@@ -59,8 +57,8 @@ GEM
       rubocop-ast (>= 1.9.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.11.0)
-      parser (>= 3.0.1.1)
+    rubocop-ast (1.18.0)
+      parser (>= 3.1.1.0)
     ruby-progressbar (1.11.0)
     ruby2_keywords (0.0.5)
     simplecov (0.21.2)
@@ -72,30 +70,32 @@ GEM
       simplecov
       terminal-table
     simplecov-html (0.12.3)
-    simplecov_json_formatter (0.1.3)
-    sinatra (2.1.0)
+    simplecov_json_formatter (0.1.4)
+    sinatra (2.2.0)
       mustermann (~> 1.0)
       rack (~> 2.2)
-      rack-protection (= 2.1.0)
+      rack-protection (= 2.2.0)
       tilt (~> 2.0)
-    terminal-table (3.0.1)
+    terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     tilt (2.0.10)
-    unicode-display_width (1.6.1)
+    unicode-display_width (2.2.0)
+    webrick (1.7.0)
     xpath (3.2.0)
       nokogiri (~> 1.8)
 
 PLATFORMS
-  ruby
-  x86_64-darwin-20
+  arm64-darwin-21
 
 DEPENDENCIES
   capybara
   rspec
+  rspec-expectations (~> 3.11)
   rubocop (= 1.20)
   simplecov
   simplecov-console
   sinatra
+  webrick (~> 1.7)
 
 RUBY VERSION
    ruby 3.0.2p107

config.ru

@@ -1,2 +1,5 @@
-require_relative './app'
+require_relative './lib/app'
+require_relative './lib/player'
+require_relative './lib/random_action'
+require_relative './lib/game'
 run RockPaperScissors

lib/app.rb

@@ -0,0 +1,38 @@
+require 'sinatra/base'
+
+class RockPaperScissors < Sinatra::Base
+  enable :sessions
+
+  get '/test' do
+    'test page'
+  end
+
+  get '/' do
+    erb :name_form
+  end
+
+  post '/register-name' do
+    session[:player] = Player.new(params[:player_name])
+    redirect '/select-action'
+  end
+
+  get '/select-action' do
+    @player_name = session[:player].name
+    erb :select_action
+  end
+
+  post '/record-action' do
+    session[:player].choose_action(params[:action])
+    redirect '/result'
+  end
+
+  get '/result' do
+    @player_name = session[:player].name
+    @player_action = session[:player].action
+    @computer_action = RandomAction.new.action
+    @result = Game.new.result(@player_action, @computer_action)
+    erb :result
+  end
+
+  run! if app_file == $0
+end

lib/game.rb

@@ -0,0 +1,19 @@
+class Game
+  def result(player, computer)
+    return "draw" if draw?(player, computer)
+    return "win" if win?(player, computer)
+    return "loss"
+  end
+
+  private
+
+  def draw?(player, computer)
+    return player == computer
+  end
+
+  def win?(player, computer)
+    return (player == "rock" && computer == "scissors") ||
+      (player == "paper" && computer == "rock") ||
+      (player == "scissors" && computer == "paper")
+  end
+end

lib/player.rb

@@ -0,0 +1,18 @@
+class Player
+  def initialize(name)
+    @name = name
+    @action = nil
+  end
+
+  def name
+    return @name
+  end
+
+  def choose_action(action)
+    @action = action
+  end
+
+  def action
+    return @action
+  end
+end

lib/random_action.rb

@@ -0,0 +1,15 @@
+class RandomAction
+  def initialize
+    @actions = ["rock", "paper", "scissors"]
+  end
+
+  def action
+    return @actions[random_index]
+  end
+
+  private
+
+  def random_index
+    return [0, 1, 2].sample
+  end
+end

lib/views/name_form.erb

@@ -0,0 +1,4 @@
+<form action="/register-name" method="post">
+  Name: <input type="text" name="player_name"/>
+  <input type="submit" value="Submit"/>
+</form>

lib/views/result.erb

@@ -0,0 +1,17 @@
+<div><%= @player_name %> chose <%= @player_action.capitalize %>...</div><br>
+
+<div>...the computer chose <%= @computer_action.capitalize %></div><br>
+
+<h2><%= @player_action.capitalize %> vs. <%= @computer_action.capitalize %></h2><br>
+
+<% if @result == "win" %>
+  <div>You won!</div>
+<% elsif @result == "draw" %>
+  <div>It's a draw!</div>
+<% elsif @result == "loss" %>
+  <div>You lost!</div>
+<% end %><br>
+
+<form action="/select-action" method="get">
+  <input type="submit" value="Play again"/>
+</form>

lib/views/select_action.erb

@@ -0,0 +1,18 @@
+<h2>Greetings, <%= @player_name %>!</h2>
+
+<div>Choose Rock, Paper or Scissors</div><br>
+
+<form action="/record-action" method="post">
+  <input type="hidden" name="action" value="rock"/>
+  <input type="submit" value="Rock"/>
+</form>
+
+<form action="/record-action" method="post">
+  <input type="hidden" name="action" value="paper"/>
+  <input type="submit" value="Paper"/>
+</form>
+
+<form action="/record-action" method="post">
+  <input type="hidden" name="action" value="scissors"/>
+  <input type="submit" value="Scissors"/>
+</form>

notes.txt

@@ -0,0 +1,11 @@
+To do:
+- reformat HTML, and add styling
+- add error handling
+    e.g. user leaves name field blank,
+      or navigates to /result directly
+
+Additional features:
+- track results
+    e.g. "You've won 2 out of 5 games"
+- track player action selection
+    e.g. "You choose Rock 40% of the time"

spec/features/declare_result_spec.rb

@@ -0,0 +1,9 @@
+feature 'declare result' do
+  context 'after player and computer actions have been selected' do
+    scenario 'display result' do
+      enter_name
+      click_button 'Rock'
+      expect(page).to have_content("You won!").or have_content("It's a draw").or have_content("You lost!")
+    end
+  end
+end

spec/features/play_again_spec.rb

@@ -0,0 +1,10 @@
+feature 'play again' do
+  context 'after result has been declared' do
+    scenario 'allow user to play again' do
+      enter_name
+      click_button 'Rock'
+      click_button 'Play again'
+      expect(page).to have_content("Choose Rock, Paper or Scissors")
+    end
+  end
+end

spec/features/register_player_name_spec.rb

@@ -0,0 +1,6 @@
+feature 'register player name' do
+  scenario 'display name entered by user' do
+    enter_name
+    expect(page).to have_content("Ollie")
+  end
+end

spec/features/select_player_action_spec.rb

@@ -0,0 +1,30 @@
+feature 'select player action' do
+  scenario 'display available actions to user' do
+    enter_name
+    expect(page).to have_content("Choose Rock, Paper or Scissors")
+  end
+
+  context 'when user selects Rock' do
+    scenario 'display Rock as selected action' do
+      enter_name
+      click_button 'Rock'
+      expect(page).to have_content("Rock")
+    end
+  end
+
+  context 'when user selects Paper' do
+    scenario 'display Paper as selected action' do
+      enter_name
+      click_button 'Paper'
+      expect(page).to have_content("Paper")
+    end
+  end
+
+  context 'when user selects Scissors' do
+    scenario 'display Scissors as selected action' do
+      enter_name
+      click_button 'Scissors'
+      expect(page).to have_content("Scissors")
+    end
+  end
+end

spec/features/select_random_action_spec.rb

@@ -0,0 +1,7 @@
+feature 'select random action' do
+  scenario 'display random action for computer' do
+    enter_name
+    click_button 'Rock'
+    expect(page).to have_content("Rock vs. Rock").or have_content("Rock vs. Scissors").or have_content("Rock vs. Paper")
+  end
+end

spec/features/test_page_spec.rb

@@ -1,6 +1,6 @@
 feature 'test page' do
   scenario 'visit test page' do
     visit '/test'
-    expect(page).to have_content('test page')
+    expect(page).to have_content("test page")
   end
 end

spec/features/web_helpers.rb

@@ -0,0 +1,5 @@
+def enter_name
+  visit '/'
+  fill_in 'player_name', with: 'Ollie'
+  click_button 'Submit'
+end