added possibility to run tests

.rspec

@@ -0,0 +1,2 @@
+--color
+--require spec_helper

.ruby-gemset

@@ -0,0 +1 @@
+middleman-webpack

.ruby-version

@@ -0,0 +1 @@
+2.3.3

Gemfile

@@ -10,4 +10,12 @@ gem 'tzinfo-data', platforms: [:mswin, :mingw, :jruby]
 
 # Middleman Gems
 gem 'middleman', '~> 4.2'
-gem 'middleman-livereload', '~> 3.4'
+
+group :development do
+  gem 'middleman-livereload', '~> 3.4'
+end
+group :test do
+  gem 'rake', '~> 10.4'
+  gem 'rspec', '~> 3.4'
+  gem 'capybara', '~> 2.5'
+end

Gemfile.lock

@@ -9,6 +9,13 @@ GEM
     addressable (2.5.0)
       public_suffix (~> 2.0, >= 2.0.2)
     backports (3.6.8)
+    capybara (2.13.0)
+      addressable
+      mime-types (>= 1.16)
+      nokogiri (>= 1.3.3)
+      rack (>= 1.0.0)
+      rack-test (>= 0.5.4)
+      xpath (~> 2.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -17,6 +24,7 @@ GEM
       sass (>= 3.2, < 3.5)
     concurrent-ruby (1.0.5)
     contracts (0.13.0)
+    diff-lcs (1.3)
     dotenv (2.2.0)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
@@ -76,7 +84,13 @@ GEM
       em-websocket (~> 0.5.1)
       middleman-core (>= 3.3)
       rack-livereload (~> 0.3.15)
+    mime-types (3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2016.0521)
+    mini_portile2 (2.1.0)
     minitest (5.10.1)
+    nokogiri (1.7.1)
+      mini_portile2 (~> 2.1.0)
     padrino-helpers (0.13.3.3)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.13.3.3)
@@ -88,9 +102,25 @@ GEM
     rack (2.0.1)
     rack-livereload (0.3.16)
       rack
+    rack-test (0.6.3)
+      rack (>= 1.0)
+    rake (10.5.0)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)
       ffi (>= 0.5.0)
+    rspec (3.5.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+    rspec-core (3.5.4)
+      rspec-support (~> 3.5.0)
+    rspec-expectations (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-mocks (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-support (3.5.0)
     sass (3.4.23)
     servolux (0.13.0)
     thor (0.19.4)
@@ -100,13 +130,18 @@ GEM
       thread_safe (~> 0.1)
     uglifier (3.1.10)
       execjs (>= 0.3.0, < 3)
+    xpath (2.0.0)
+      nokogiri (~> 1.3)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  capybara (~> 2.5)
   middleman (~> 4.2)
   middleman-livereload (~> 3.4)
+  rake (~> 10.4)
+  rspec (~> 3.4)
   tzinfo-data
   wdm (~> 0.1.0)
 

Rakefile

@@ -0,0 +1,5 @@
+require 'rspec/core/rake_task'
+
+RSpec::Core::RakeTask.new(:spec)
+
+task :default => :spec

environments/development.rb

@@ -1,3 +1,5 @@
+Bundler.require(:default, :development)
+
 configure :development do
   activate :livereload, no_swf: true
 end

spec/features/index_spec.rb

@@ -0,0 +1,14 @@
+require 'spec_helper'
+
+describe 'index', :type => :feature do
+  before do
+    visit '/'
+  end
+
+  it 'has the correct title header' do
+    expect(page).to have_selector 'h1'
+    within 'h1' do
+      expect(page).to have_content "Middleman is Running"
+    end
+  end
+end

spec/spec_helper.rb

@@ -0,0 +1,13 @@
+require 'bundler'
+Bundler.require(:default, :test)
+
+require "rspec"
+require "capybara/rspec"
+
+middleman_app = ::Middleman::Application.new do
+  set :root, File.expand_path(File.join(File.dirname(__FILE__), ".."))
+  set :environment, :test
+  set :show_exceptions, true
+end
+
+Capybara.app = ::Middleman::Rack.new(middleman_app).to_app