Switch to PhantomJS from Selenium

This improves test performance and eliminates interaction with any/all
windowing systems. You need PhantomJS installed, but hey.

.travis.yml

@@ -5,8 +5,6 @@ rvm:
 addons:
   postgresql: "9.4"
 before_script:
-  - export DISPLAY=:99.0
-  - sh -e /etc/init.d/xvfb start
   - psql -c 'create database factorio_mods_test;' -U postgres
   - cp config/database.yml.travis config/database.yml
   - bundle exec rake db:schema:load db:seed

Gemfile

@@ -26,7 +26,7 @@ group :development, :test, :assets do
   gem 'coffee-rails', '~> 4.0.0'  # Use CoffeeScript for .js.coffee assets and views
   gem 'jquery-rails'              # Use jquery as the JavaScript library
   gem 'turbolinks'                # Turbolinks makes following links in your web application faster
-  gem 'selenium-webdriver'
+  gem 'poltergeist'
   gem 'database_cleaner'
   gem 'bourbon', '~> 4.2'
   gem 'nprogress-rails'

Gemfile.lock

@@ -73,11 +73,10 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    childprocess (0.5.6)
-      ffi (~> 1.0, >= 1.0.11)
     chunky_png (1.3.4)
     climate_control (0.0.3)
       activesupport (>= 3.0)
+    cliver (0.3.2)
     cocaine (0.5.7)
       climate_control (>= 0.0.3, < 1.0)
     cocoon (1.2.6)
@@ -214,6 +213,11 @@ GEM
       mime-types
       mimemagic (= 0.3.0)
     pg (0.18.2)
+    poltergeist (1.6.0)
+      capybara (~> 2.1)
+      cliver (~> 0.3.1)
+      multi_json (~> 1.0)
+      websocket-driver (>= 0.2.0)
     polyamorous (1.2.0)
       activerecord (>= 3.0)
     pry (0.10.1)
@@ -288,7 +292,6 @@ GEM
     rspec-support (3.3.0)
     ruby_parser (3.7.0)
       sexp_processor (~> 4.1)
-    rubyzip (1.1.7)
     safe_yaml (1.0.4)
     sass (3.4.16)
     sass-rails (5.0.3)
@@ -299,11 +302,6 @@ GEM
       tilt (~> 1.1)
     sassy-maps (0.4.0)
       sass (~> 3.3)
-    selenium-webdriver (2.46.2)
-      childprocess (~> 0.5)
-      multi_json (~> 1.0)
-      rubyzip (~> 1.0)
-      websocket (~> 1.0)
     sexp_processor (4.6.0)
     shellany (0.0.1)
     slop (3.6.0)
@@ -343,7 +341,9 @@ GEM
     webmock (1.21.0)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
-    websocket (1.2.2)
+    websocket-driver (0.6.2)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.2)
     xpath (2.0.0)
       nokogiri (~> 1.3)
 
@@ -376,6 +376,7 @@ DEPENDENCIES
   nprogress-rails
   paperclip
   pg
+  poltergeist
   rack-livereload
   rack-zippy
   rails (~> 4.1.12)
@@ -387,7 +388,6 @@ DEPENDENCIES
   rspec-rails
   sass (~> 3.4.0)
   sass-rails
-  selenium-webdriver
   spring
   spring-commands-rspec
   susy (~> 2.0)

spec/rails_helper.rb

@@ -4,6 +4,7 @@ require 'spec_helper'
 require File.expand_path("../../config/environment", __FILE__)
 require 'rspec/rails'
 require 'capybara/rspec'
+require 'capybara/poltergeist'
 require 'webmock/rspec'
 require 'vcr'
 require 'paperclip/matchers'
@@ -11,6 +12,7 @@ require 'rspec/its'
 
 WebMock.disable_net_connect!(allow_localhost: true)
 # Capybara.default_driver = :selenium_phantomjs
+Capybara.javascript_driver = :poltergeist
 
 # Requires supporting ruby files with custom matchers and macros, etc, in
 # spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are