Stevie Spiegl RPS

Gemfile

@@ -3,6 +3,8 @@ source 'https://rubygems.org'
 ruby '3.0.2'
 
 gem 'sinatra'
+gem 'sinatra-contrib'
+gem 'webrick'
 
 group :test do
   gem 'capybara'

Gemfile.lock

@@ -17,6 +17,7 @@ GEM
     docile (1.4.0)
     mini_mime (1.1.1)
     mini_portile2 (2.6.1)
+    multi_json (1.15.0)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     nokogiri (1.12.3)
@@ -76,10 +77,17 @@ GEM
       rack (~> 2.2)
       rack-protection (= 2.1.0)
       tilt (~> 2.0)
+    sinatra-contrib (2.1.0)
+      multi_json
+      mustermann (~> 1.0)
+      rack-protection (= 2.1.0)
+      sinatra (= 2.1.0)
+      tilt (~> 2.0)
     terminal-table (3.0.1)
       unicode-display_width (>= 1.1.1, < 3)
     tilt (2.0.10)
     unicode-display_width (2.0.0)
+    webrick (1.7.0)
     xpath (3.2.0)
       nokogiri (~> 1.8)
 
@@ -93,6 +101,8 @@ DEPENDENCIES
   simplecov
   simplecov-console
   sinatra
+  sinatra-contrib
+  webrick
 
 RUBY VERSION
    ruby 3.0.2p107

app.rb

@@ -0,0 +1,42 @@
+require 'sinatra/base'
+require 'sinatra/reloader'
+require './lib/player'
+require './lib/game'
+
+class RockPaperScissors < Sinatra::Base
+  configure :development do
+    register Sinatra::Reloader
+  end
+
+  enable :sessions
+
+  get '/' do
+    erb :form
+  end
+
+  post '/play' do
+    session[:player] = params[:player]
+    $player = Player.new(params[:player])
+    @player_name = $player.name
+    erb :play
+  end
+
+  post '/play_again' do
+    session[:player] = params[:player]
+    $player = Player.new(params[:player])
+    @player_name = $player.name
+    erb :play_again
+  end
+
+  post '/battle' do
+    @player = $player
+    @player_weapon = @player.select_weapon(params[:player_choice])
+    game = Game.new(@player_weapon)
+    @message = game.engine
+    @computer_weapon = game.computer_weapon
+    erb :battle
+  end
+
+# Start the server if this file is executed directly (don't change the line below)
+  run! if app_file == $0
+end

config.ru

@@ -0,0 +1,2 @@
+require_relative 'app'
+run RockPaperScissors

lib/computer.rb

@@ -0,0 +1,8 @@
+require_relative 'game'
+
+class Computer
+  def weapon
+    Game::WEAPONS.sample
+    # syntax for referring to a constant in another class
+  end
+end

lib/game.rb

@@ -0,0 +1,31 @@
+require_relative 'computer'
+
+class Game
+
+  WEAPONS = [:rock, :paper, :scissors]
+  attr_reader :player, :engine, :computer_weapon, :computer, :player_weapon
+
+  def initialize(player_weapon, computer = Computer.new)
+    @player_weapon = player_weapon.to_sym
+    @computer = computer
+    @computer_weapon = computer.weapon
+  end
+
+  def engine
+    if @player_weapon == @computer_weapon
+      "draw"
+    elsif @player_weapon == :rock && @computer_weapon == :scissors
+      "You chose wisely."
+    elsif @player_weapon == :rock && @computer_weapon == :paper
+      "You did not choose wisely."
+    elsif @player_weapon == :scissors && @computer_weapon == :paper
+      "You chose wisely."
+    elsif @player_weapon == :scissors && @computer_weapon == :rock
+      "You did not choose wisely."
+    elsif @player_weapon == :paper && @computer_weapon == :rock
+      "You chose wisely."
+    elsif @player_weapon == :paper && @computer_weapon == :scissors
+      "You did not choose wisely."
+    end
+  end
+end

lib/player.rb

@@ -0,0 +1,13 @@
+class Player
+
+  attr_reader :name, :weapon
+
+  def initialize(name)
+    @name = name
+  end
+
+  def select_weapon(weapon)
+    @weapon = weapon
+  end
+
+end

spec/computer_spec.rb

@@ -0,0 +1,23 @@
+require 'computer'
+
+describe Computer do
+  it 'can choose rock' do
+    dbl_cpu = double("rock")
+    allow(dbl_cpu).to receive(:weapon).and_return(:rock)
+    srand(2)
+    expect(subject.weapon).to eq(:rock)
+  end
+
+  it 'can choose paper' do
+    dbl_cpu = double("paper")
+    allow(dbl_cpu).to receive(:weapon).and_return(:paper)
+    srand(1)
+    expect(subject.weapon).to eq(:paper)
+  end
+  it 'can choose scissors' do
+    dbl_cpu = double("scissors")
+    allow(dbl_cpu).to receive(:weapon).and_return(:scissors)
+    srand(3)
+    expect(subject.weapon).to eq(:scissors)
+  end
+end

spec/features/enter_names_spec.rb

@@ -0,0 +1,24 @@
+require 'capybara/rspec'
+require_relative '../../app'
+
+Capybara.app = RockPaperScissors
+
+feature 'allows player to enter their name' do
+  scenario 'player is able to enter their name' do
+    visit('/')
+    expect(page).to have_field('player')
+    expect(page).to have_button('Submit name')
+  end
+
+  scenario 'player is taken to a new page to start the game' do
+    sign_in
+    expect(current_path).to eq('/play')
+  end
+
+  scenario 'player can see their name on the play page' do
+    sign_in
+    expect(current_path).to eq('/play')
+    expect(page).to have_content('Alien')
+  end
+
+end

spec/features/play_game_spec.rb

@@ -0,0 +1,47 @@
+require 'capybara/rspec'
+require_relative '../../app'
+
+Capybara.app = RockPaperScissors
+
+feature 'allows player to play a game of RockPaperScissors' do
+  scenario 'the player can choose from three buttons' do
+    sign_in
+    expect(page).to have_xpath('/html/body/form[1]/input[1]')
+    expect(page).to have_xpath('/html/body/form[2]/input[1]')
+    expect(page).to have_xpath('/html/body/div/form/input[1]')
+  end
+
+  scenario 'a player can return to the play screen to have another go' do
+    sign_in
+    click_on(id='rock')
+    expect(page).to have_button('Have another go?')
+  end
+
+
+  scenario 'clicking a button takes the player to the winner page' do
+    sign_in
+    click_on(id='rock')
+    expect(current_path).to eq '/battle'
+  end
+
+  scenario 'rock beats scissors' do
+    allow_any_instance_of(Computer).to receive(:weapon).and_return(:scissors)
+    sign_in
+    click_on(id='rock')
+    expect(page).to have_content "You chose wisely."
+  end
+
+  scenario 'paper beats rock' do
+    allow_any_instance_of(Computer).to receive(:weapon).and_return(:paper)
+    sign_in
+    click_on(id='rock')
+    expect(page).to have_content "You did not choose wisely."
+  end
+
+  scenario 'scissors beats paper' do
+    allow_any_instance_of(Computer).to receive(:weapon).and_return(:paper)
+    sign_in
+    click_on(id='scissors')
+    expect(page).to have_content "You chose wisely."
+  end
+end

spec/features/testing_infrastructure_spec.rb

@@ -0,0 +1,12 @@
+require 'capybara/rspec'
+require_relative '../../app'
+
+Capybara.app = RockPaperScissors
+
+feature 'confirms that the testing infrastructure is working' do
+  scenario 'the home page returns a successful status code' do
+    visit('/')
+    expect(page.status_code).to eq(200)
+  end
+
+end

spec/features/web_helpers.rb

@@ -0,0 +1,5 @@
+def sign_in
+  visit('/')
+  fill_in 'player', with: 'Alien'
+  click_on('Submit name!')
+end

spec/game_spec.rb

@@ -0,0 +1,4 @@
+require 'game'
+
+describe Game do
+end

spec/player_spec.rb

@@ -0,0 +1,8 @@
+require 'player'
+
+describe Player do
+  let(:player) { described_class.new('Clodius') }
+  it "should return player's name" do
+    expect(player.name).to eq('Clodius')
+  end
+end

spec/spec_helper.rb

@@ -1,6 +1,7 @@
 require 'capybara/rspec'
 require 'simplecov'
 require 'simplecov-console'
+require './spec/features/web_helpers'
 
 SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new([
   SimpleCov::Formatter::Console,

views/battle.erb

@@ -0,0 +1,22 @@
+<style>
+  body {
+  <!-- margin: 0 auto; -->
+  text-align: center;
+  width: 100vw;
+  background-image: url("https://source.unsplash.com/h4elZPxUXLU");
+  background-attachment: fixed;
+  background-repeat: no-repeat;
+  background-size: 100vw;
+}
+h1 {font-family: arial;
+text-align: center;}
+</style>
+<body>
+
+<h1>You chose <%= @player_weapon %>...<br></h1>
+<h1>Computer chose <%= @computer_weapon %>...<br><h1>
+<h1><%= @message %><h1>
+<form action='/play_again' method='post'>
+  <button type="submit" style="padding: 5px 10px">Have another go?</button>
+</form>
+</body>

views/form.erb

@@ -0,0 +1,15 @@
+<style> form {
+  text-align: center;
+  font-family: arial;
+  padding-bottom: 10px;
+}
+input {border-radius: 7px;}
+button {border-radius: 7px;}
+h1 {text-align: center; font-family: arial; padding-top: 20px}
+</style>
+
+<h1>Enter Name</h1>
+<form action='/play' method='post'>
+  <input type="text" name="player" style="padding: 5px 15px"><br><br>
+  <button type="submit" style="padding: 5px 10px">Submit name!</button>
+  </form>

views/play.erb

@@ -0,0 +1,31 @@
+<html>
+<head>
+<style>
+h1 {text-align: center; font-family: arial; margin: 0}
+h2 {text-align: center; font-family: arial;}
+div {text-align: center;}
+form {text-align: center;}
+form:hover {opacity: 0.7;}
+</style>
+</head>
+<body>
+
+<h1>Welcome, <%= @player_name %></h1><br>
+<h2>Choose wisely.</h2>
+<form action='/battle' method='post'>
+  <input type='image' src='https://source.unsplash.com/QxjEi8Fs9Hg' width='400'
+  border='2' name='player_choice' type='submit' id='rock'></>
+  <input type="hidden" name="player_choice" value="rock" />
+  </form>
+<form action='/battle' method='post'>
+<input type='image' src='https://source.unsplash.com/RyrFRsVoe2Q' width='400'
+border='2' name='player_choice' type='submit' id='paper'></>
+  <input type="hidden" name="player_choice" value="paper" />
+  </form>
+<div style="margin: 0px auto; width: 400; height: 267; overflow: hidden; border: 2px solid black">
+  <form action='/battle' method='post'>
+<input type='image' src='https://source.unsplash.com/c18q3myyHLU' width='400'
+name='player_choice' type='submit' id='scissors'></>
+  <input type="hidden" name="player_choice" value="scissors" />
+  </form>
+</div>

views/play_again.erb

@@ -0,0 +1,34 @@
+<html>
+<head>
+<style>
+h1 {text-align: center; font-family: arial}
+h2 {text-align: center; font-family: arial}
+h3 {text-align: center; font-family: arial}
+div {text-align: center;}
+form {text-align: center;}
+form:hover {opacity: 0.7;}
+</style>
+</head>
+<body>
+
+<h3>Insanity is doing the same thing over and over again and expecting a different result.</h3>
+<h3>Except when it comes to rock, paper, scissors.</h3>
+<h3>Choose wisely.</h3>
+<form action='/battle' method='post'>
+  <input type='image' src='https://source.unsplash.com/QxjEi8Fs9Hg' width='400'
+  border='2' name='player_choice' type='submit' id='rock'></>
+  <input type="hidden" name="player_choice" value="rock" />
+  </form>
+<form action='/battle' method='post'>
+<input type='image' src='https://source.unsplash.com/RyrFRsVoe2Q' width='400'
+border='2' name='player_choice' type='submit' id='paper'></>
+  <input type="hidden" name="player_choice" value="paper" />
+  </form>
+<div style="margin: 0px auto; width: 400; height: 267; overflow: hidden; border: 2px solid black">
+  <!-- margin: 0px auto saved me here, nothing else would center the div -->
+  <form action='/battle' method='post'>
+<input type='image' src='https://source.unsplash.com/c18q3myyHLU' width='400'
+name='player_choice' type='submit' id='scissors'></>
+  <input type="hidden" name="player_choice" value="scissors" />
+  </form>
+</div>