Added ability to set the JS driver for capybara

Default is poltergeist

Sample commands to try:

DRIVER=chrome rspec
DRIVER=firefox rspec
DRIVER=webkit rspec
DRIVER=poltergeist rspec

Gemfile

@@ -44,6 +44,8 @@ gem "therubyracer"
 
 gem "autoprefixer-rails"
 
+gem "awesome_print"
+
 # Use Capistrano for deployment
 # gem "capistrano-rails", group: :development
 group :production do
@@ -87,6 +89,8 @@ group :test  do
   gem "capybara-screenshot"
   gem "poltergeist"
   gem "phantomjs", require: "phantomjs/poltergeist"
+  gem "selenium-webdriver"
+  gem "capybara-webkit"
   gem "database_cleaner"
   gem "launchy"
 end

Gemfile.lock

@@ -44,6 +44,7 @@ GEM
     autoprefixer-rails (5.2.1.1)
       execjs
       json
+    awesome_print (1.6.1)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
     bootstrap-sass (3.3.5.1)
@@ -74,6 +75,11 @@ GEM
     capybara-screenshot (1.0.11)
       capybara (>= 1.0, < 3)
       launchy
+    capybara-webkit (1.6.0)
+      capybara (>= 2.3.0, < 2.5.0)
+      json
+    childprocess (0.5.6)
+      ffi (~> 1.0, >= 1.0.11)
     cliver (0.3.2)
     coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
@@ -106,6 +112,7 @@ GEM
       factory_girl (~> 4.5.0)
       railties (>= 3.0.0)
     fastercsv (1.5.5)
+    ffi (1.9.10)
     foreman (0.78.0)
       thor (~> 0.19.1)
     globalid (0.3.5)
@@ -221,6 +228,7 @@ GEM
       sexp_processor (~> 4.0)
     ruby_parser (3.7.0)
       sexp_processor (~> 4.1)
+    rubyzip (1.1.7)
     sass (3.4.16)
     sass-rails (5.0.3)
       railties (>= 4.0.0, < 5.0)
@@ -234,6 +242,11 @@ GEM
     sdoc (0.4.1)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
+    selenium-webdriver (2.47.1)
+      childprocess (~> 0.5)
+      multi_json (~> 1.0)
+      rubyzip (~> 1.0)
+      websocket (~> 1.0)
     sexp_processor (4.6.0)
     simplecov (0.10.0)
       docile (~> 1.1.0)
@@ -280,6 +293,7 @@ GEM
       binding_of_caller (>= 0.7.2)
       railties (>= 4.0)
       sprockets-rails (>= 2.0, < 4.0)
+    websocket (1.2.2)
     websocket-driver (0.6.2)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.2)
@@ -291,12 +305,14 @@ PLATFORMS
 
 DEPENDENCIES
   autoprefixer-rails
+  awesome_print
   bootstrap-sass (~> 3.3.1)
   brakeman
   bundler-audit
   byebug
   capybara
   capybara-screenshot
+  capybara-webkit
   coffee-rails
   coveralls
   database_cleaner
@@ -319,6 +335,7 @@ DEPENDENCIES
   sass-rails
   scss_lint
   sdoc
+  selenium-webdriver
   spring
   spring-commands-rspec
   sqlite3

spec/features/comments_spec.rb

@@ -14,7 +14,7 @@
   end
 end
 
-shared_examples "Form" do
+shared_examples "Comments Form" do
   include_context "Form Submitted"
 
   scenario "submits form", js: true do
@@ -33,7 +33,7 @@
       click_link "Horizontal Form"
     end
 
-    it_behaves_like "Form"
+    it_behaves_like "Comments Form"
 
     context "iframe text" do
       let(:iframe_text) { "<iframe src=\"http://www.w3schools.com\"></iframe>" }
@@ -51,14 +51,14 @@
       click_link "Inline Form"
     end
 
-    it_behaves_like "Form"
+    it_behaves_like "Comments Form"
   end
 
   context "Stacked Form" do
     background do
       click_link "Stacked Form"
     end
 
-    it_behaves_like "Form"
+    it_behaves_like "Comments Form"
   end
 end

spec/rails_helper.rb

@@ -50,7 +50,32 @@
     DatabaseCleaner.clean
   end
 
-  Capybara.javascript_driver = :poltergeist
+  driver = ENV["DRIVER"].try(:to_sym)
+  if driver.nil? || driver == :poltergeist
+    require "capybara/poltergeist"
+    Capybara.default_driver = :poltergeist
+    Capybara.current_driver = :poltergeist
+    Capybara.javascript_driver = :poltergeist
+  elsif driver == :webkit
+    Capybara.default_driver = :webkit
+    Capybara.current_driver = :webkit
+    Capybara.javascript_driver = :webkit
+  elsif driver == :selenium
+    Capybara.default_driver = :selenium
+    Capybara.current_driver = :selenium
+    Capybara.javascript_driver = :selenium
+  else # to use chrome, for example, with selenium
+    Capybara.register_driver :selenium do |app|
+      Capybara::Selenium::Driver.new(app, browser: driver)
+    end
+    Capybara.default_driver = :selenium
+    Capybara.current_driver = :selenium
+    Capybara.javascript_driver = :selenium
+  end
+
+  puts "Capybara using driver: #{Capybara.default_driver}"
+
+  Capybara::Screenshot.prune_strategy = { keep: 10 }
 
   # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
   config.fixture_path = "#{::Rails.root}/spec/fixtures"