WIP: Integrate with ActionDispatch::SystemTest

Author: Sam Phippen

Gemfile

@@ -1,4 +1,5 @@
 source "https://rubygems.org"
+RAILS_VERSION = ENV['RAILS_VERSION'] || (File.exist?(version_file) && File.read(version_file).chomp)
 
 gemspec
 
@@ -37,9 +38,12 @@ if RUBY_VERSION < '2.0.0'
   gem 'mime-types', '< 3'
 end
 
+
 # Capybara versions that support RSpec 3 only support RUBY_VERSION >= 1.9.3
-if RUBY_VERSION >= '1.9.3'
+if RUBY_VERSION >= '1.9.3' && RAILS_VERSION < '5.1'
   gem 'capybara', '~> 2.2.0', :require => false
+else
+  gem 'capybara', '~> 2.13', :require => false
 end
 
 # Rack::Cache 1.3.0 requires Ruby >= 2.0.0

Gemfile-rails-dependencies

@@ -13,10 +13,13 @@ when /master/
   gem 'i18n', :git => 'git://github.com/svenfuchs/i18n.git', :branch => 'master'
   gem 'sprockets', :git => 'git://github.com/rails/sprockets.git', :branch => 'master'
   gem 'sprockets-rails', :git => 'git://github.com/rails/sprockets-rails.git', :branch => 'master'
+  gem 'puma', :git => 'git://github.com/puma/puma', :branch => 'master'
 when /stable$/
   gem_list = %w[rails railties actionmailer actionpack activerecord activesupport]
   gem_list << 'activejob'  if version > '4-1-stable'
   gem_list << 'actionview' if version > '4-0-stable'
+  gem_list << 'puma' if version > '5-0-stable'
+
   gem_list.each do |rails_gem|
     gem rails_gem, :git => "git://github.com/rails/rails.git", :branch => version
   end
@@ -32,6 +35,10 @@ when nil, false, ""
   end
 else
   gem "rails", version
+
+  if version >= '5.1'
+    gem "puma"
+  end
 end
 
 gem "i18n", '< 0.7.0' if RUBY_VERSION < '1.9.3'

lib/rspec/rails/configuration.rb

@@ -48,6 +48,10 @@ def self.add_test_type_configurations(config)
       config.include RSpec::Rails::ViewExampleGroup,       :type => :view
       config.include RSpec::Rails::FeatureExampleGroup,    :type => :feature
       config.include RSpec::Rails::Matchers
+
+      if ActionPack::VERSION::STRING >= "5.1"
+        config.include RSpec::Rails::SystemExampleGroup, :type => :system
+      end
     end
 
     # @private

lib/rspec/rails/example.rb

@@ -8,3 +8,6 @@
 require 'rspec/rails/example/model_example_group'
 require 'rspec/rails/example/job_example_group'
 require 'rspec/rails/example/feature_example_group'
+if ActionPack::VERSION::STRING >= "5.1"
+  require 'rspec/rails/example/system_example_group'
+end

lib/rspec/rails/example/system_example_group.rb

@@ -0,0 +1,67 @@
+if ActionPack::VERSION::STRING >= "5.1"
+  require 'action_dispatch/system_test_case'
+  module RSpec
+    module Rails
+      # @api public
+      # Container class for request spec functionality.
+      module SystemExampleGroup
+        extend ActiveSupport::Concern
+        include RSpec::Rails::RailsExampleGroup
+        include ActionDispatch::Integration::Runner
+        include ActionDispatch::Assertions
+        include RSpec::Rails::Matchers::RedirectTo
+        include RSpec::Rails::Matchers::RenderTemplate
+        include ActionController::TemplateAssertions
+
+        include ActionDispatch::IntegrationTest::Behavior
+
+        module BlowAwayAfterTeardownHook
+          def after_teardown
+          end
+        end
+
+        original_after_teardown = ::ActionDispatch::SystemTesting::TestHelpers::SetupAndTeardown.instance_method(:after_teardown)
+
+        include ::ActionDispatch::SystemTesting::TestHelpers::SetupAndTeardown
+        include ::ActionDispatch::SystemTesting::TestHelpers::ScreenshotHelper
+        include BlowAwayAfterTeardownHook
+
+        # for the SystemTesting Screenshot situation
+        def passed?
+          RSpec.current_example.exception.nil?
+        end
+
+
+        # Delegates to `Rails.application`.
+        def app
+          ::Rails.application
+        end
+
+        included do
+          def driven_by(*args, &blk)
+            @driver = ::ActionDispatch::SystemTestCase.driven_by(*args, &blk).tap { |d|
+              d.use
+            }
+          end
+
+          def driver
+            @driver
+          end
+
+          before do
+            driven_by(:selenium)
+            @routes = ::Rails.application.routes
+          end
+
+          after do
+            original_after_teardown.bind(self).call
+          end
+
+          around do |ex|
+            ex.run
+          end
+        end
+      end
+    end
+  end
+end

lib/rspec/rails/vendor/capybara.rb

@@ -17,6 +17,9 @@
   RSpec.configure do |c|
     if defined?(Capybara::DSL)
       c.include Capybara::DSL, :type => :feature
+      if defined?(ActionPack) && ActionPack::VERSION::STRING >= "5.1"
+        c.include Capybara::DSL, :type => :system
+      end
     end
 
     if defined?(Capybara::RSpecMatchers)
@@ -25,6 +28,7 @@
       c.include Capybara::RSpecMatchers, :type => :mailer
       c.include Capybara::RSpecMatchers, :type => :controller
       c.include Capybara::RSpecMatchers, :type => :feature
+      c.include Capybara::RSpecMatchers, :type => :system
     end
 
     unless defined?(Capybara::RSpecMatchers) || defined?(Capybara::DSL)

spec/rspec/rails/example/system_example_group_spec.rb

@@ -0,0 +1,8 @@
+require "spec_helper"
+
+module RSpec::Rails
+  describe SystemExampleGroup do
+    it_behaves_like "an rspec-rails example group mixin", :system,
+      './spec/system/', '.\\spec\\system\\'
+  end
+end