.gitignore

@@ -0,0 +1 @@
+*.sw*

Gemfile

@@ -2,8 +2,6 @@
 
 source "https://rubygems.org"
 
-# gem "rails"
-
 gem "falcon", "~> 0.42.3"
 
 gem "roda", "~> 3.72"
@@ -11,3 +9,15 @@ gem "roda", "~> 3.72"
 gem "sequel", "~> 5.72"
 
 gem "tilt", "~> 2.2"
+
+gem "cucumber", "~> 9.0"
+
+gem "sqlite3", "~> 1.6"
+
+gem "erubi", "~> 1.12"
+
+gem "capybara", "~> 3.39"
+
+gem "rspec", "~> 3.12"
+
+gem "selenium-webdriver", "~> 4.13"

Gemfile.lock

@@ -1,6 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    addressable (2.8.5)
+      public_suffix (>= 2.0.2, < 6.0)
     async (2.6.4)
       console (~> 1.10)
       fiber-annotation
@@ -25,9 +27,45 @@ GEM
       async (>= 1.25)
     bigdecimal (3.1.4)
     build-environment (1.13.0)
+    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)
     console (1.23.2)
       fiber-annotation
       fiber-local
+    cucumber (9.0.2)
+      builder (~> 3.2, >= 3.2.4)
+      cucumber-ci-environment (~> 9.2, >= 9.2.0)
+      cucumber-core (~> 11.1, >= 11.1.0)
+      cucumber-cucumber-expressions (~> 16.1, >= 16.1.2)
+      cucumber-gherkin (>= 24, < 26.2.1)
+      cucumber-html-formatter (~> 20.4, >= 20.4.0)
+      cucumber-messages (>= 19, < 23)
+      diff-lcs (~> 1.5, >= 1.5.0)
+      mini_mime (~> 1.1, >= 1.1.5)
+      multi_test (~> 1.1, >= 1.1.0)
+      sys-uname (~> 1.2, >= 1.2.3)
+    cucumber-ci-environment (9.2.0)
+    cucumber-core (11.1.0)
+      cucumber-gherkin (>= 24, < 27)
+      cucumber-messages (>= 19, < 22)
+      cucumber-tag-expressions (~> 4.1, >= 4.1.0)
+    cucumber-cucumber-expressions (16.1.2)
+    cucumber-gherkin (26.2.0)
+      cucumber-messages (>= 19.1.4, < 22.1)
+    cucumber-html-formatter (20.4.0)
+      cucumber-messages (>= 18.0, < 22.1)
+    cucumber-messages (21.0.1)
+    cucumber-tag-expressions (4.1.0)
+    diff-lcs (1.5.0)
+    erubi (1.12.0)
     falcon (0.42.3)
       async
       async-container (~> 0.16.0)
@@ -41,11 +79,19 @@ GEM
       process-metrics (~> 0.2.0)
       protocol-rack (~> 0.1)
       samovar (~> 2.1)
+    ffi (1.15.5)
     fiber-annotation (0.2.0)
     fiber-local (1.0.0)
     io-event (1.3.2)
     localhost (1.1.10)
     mapping (1.1.1)
+    matrix (0.4.2)
+    mini_mime (1.1.5)
+    mini_portile2 (2.8.4)
+    multi_test (1.1.0)
+    nokogiri (1.15.4)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     openssl (3.1.0)
     process-metrics (0.2.1)
       console (~> 1.8)
@@ -60,25 +106,62 @@ GEM
     protocol-rack (0.2.6)
       protocol-http (~> 0.23)
       rack (>= 1.0)
+    public_suffix (5.0.3)
+    racc (1.7.1)
     rack (3.0.8)
+    rack-test (2.1.0)
+      rack (>= 1.3)
+    regexp_parser (2.8.1)
+    rexml (3.2.6)
     roda (3.72.0)
       rack
+    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)
+    rubyzip (2.3.2)
     samovar (2.2.0)
       console (~> 1.0)
       mapping (~> 1.0)
+    selenium-webdriver (4.13.1)
+      rexml (~> 3.2, >= 3.2.5)
+      rubyzip (>= 1.2.2, < 3.0)
+      websocket (~> 1.0)
     sequel (5.72.0)
       bigdecimal
+    sqlite3 (1.6.6)
+      mini_portile2 (~> 2.8.0)
+    sys-uname (1.2.3)
+      ffi (~> 1.1)
     tilt (2.2.0)
     timers (4.3.5)
     traces (0.11.1)
+    websocket (1.2.10)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
 
 PLATFORMS
   x86_64-freebsd-13
 
 DEPENDENCIES
+  capybara (~> 3.39)
+  cucumber (~> 9.0)
+  erubi (~> 1.12)
   falcon (~> 0.42.3)
   roda (~> 3.72)
+  rspec (~> 3.12)
+  selenium-webdriver (~> 4.13)
   sequel (~> 5.72)
+  sqlite3 (~> 1.6)
   tilt (~> 2.2)
 
 BUNDLED WITH

app.rb

@@ -2,7 +2,6 @@ require 'roda'
 require 'securerandom'
 require 'json'
 require 'sequel'
-require 'logger'
 
 class App < Roda
   DB = Sequel.sqlite('db/url_shortener.db')
@@ -20,8 +19,11 @@ class App < Roda
 
     r.post "create" do
       url = r.params['url']
-      code = SecureRandom.urlsafe_base64 4
-      links.insert(url: url, code: code) 
+      if url.empty? then r.redirect '/' end
+      if nil == links.filter(:url => url).first
+        code = SecureRandom.urlsafe_base64 4
+        links.insert(url: url, code: code) 
+      end
       @new_link = 'http://' + request.env['HTTP_HOST'] + '/' + links.filter(:url => url).first[:code]
       view :create   
     end

features/homepage.feature

@@ -0,0 +1,17 @@
+# features/home.feature
+
+Feature: Homepage
+
+  Loading the homepage is the initial starting point for this tool
+
+  Scenario: Homepage Loads with a form
+    Given I visit the '/' page
+    Then I should see text "URL Shortener"
+    And I should see a form field "url"
+    And I should see a "Submit" button
+
+  Scenario: Submitting the form without entering a URL
+    Given I visit the '/' page
+    When I click the "Submit" button
+    Then I should be on "/" page
+

features/step_definitions/steps.rb

@@ -0,0 +1,29 @@
+# GIVEN
+
+Given('I visit the {string} page') do |string|
+  visit string
+end
+
+# WHEN
+
+When('I click the {string} button') do |string|
+  click_button {string}
+end
+
+# THEN
+
+Then('I should see text {string}') do |string|
+  page.should have_content string
+end
+
+Then('I should see a form field {string}') do |string|
+  page.should have_field string
+end
+
+Then('I should see a {string} button') do |string|
+  page.should have_button string
+end
+
+Then('I should be on {string} page') do |string|
+  page.should have_current_path string
+end

features/support/env.rb

@@ -0,0 +1,13 @@
+require_relative '../../app'
+require 'rubygems'
+require 'roda'
+require 'capybara'
+require 'capybara/dsl'
+require 'rspec'
+
+
+Capybara.app = App
+
+include Capybara::DSL
+include RSpec::Expectations
+include RSpec::Matchers

views/create.erb

@@ -1,2 +1,2 @@
-<a href="/">Home</a>
-<h2><a href="<%= @new_link %>" target="_blank"><%= @new_link %></a></h2>
+<h2><a href="/" style="color: #555555;">Home</a></h2>
+<h3 style="overflow-wrap: break-word; word-wrap: break-word;"><a href="<%= @new_link %>" target="_blank" style="color: #555555;"><%= @new_link %></a></h3>

views/home.erb

@@ -1,5 +1,9 @@
 <form method="POST" action="/create">
-  <label for "url">URL: </label>
-  <input type="text" name="url" />
-  <input type="submit" value="Submit" />
+  <input type="url"
+    name="url"
+    pattern="https?://.+"
+    placeholder="http://www.example.com/"
+    style="padding: 0.5rem;"
+    required />
+  <button type="submit" style="padding: 0.5rem;">Submit</button>
 </form>

views/layout.erb

@@ -3,8 +3,10 @@
     <title><%= @page_title || "URL Shortener" %></title>
     <link rel="icon" href="data:,">
   </head>
-  <body>
-    <h1>URL Shortener</h1>
-    <%== yield %>
+  <body style="background: #FEFEFE; font-family: Helvetica, sans-serif; color: #555555;">
+    <main style="max-width: 30rem; min-width: 18rem; border: 5px solid #999999; border-radius: 20px; margin: auto; padding: 1rem; margin-top: 5rem; text-align: center; min-height: 175px;">
+      <h1>URL Shortener</h1>
+      <%== yield %>
+    </main>
   </body>
 </html>