Split spec helper and Rails specific helper apart

This simply separates the RSpec configuration into base RSpec,
`spec_helper.rb`, and the Rails related details, `rails_helper.rb`. All
existing specs are updated to use the `rails_helper` to ensure they do
not break.

Author: cupakromer

spec/kracken/authenticator_spec.rb

@@ -1,4 +1,4 @@
-require 'spec_helper'
+require 'rails_helper'
 
 module Kracken
   RSpec.describe Authenticator do

spec/kracken/config_spec.rb

@@ -1,4 +1,4 @@
-require 'spec_helper'
+require 'rails_helper'
 
 module Kracken
   RSpec.describe Config do

spec/kracken/controllers/authenticatable_spec.rb

@@ -1,4 +1,4 @@
-require 'spec_helper'
+require 'rails_helper'
 
 
 module Kracken

spec/kracken/credential_authenticator_spec.rb

@@ -1,4 +1,4 @@
-require 'spec_helper'
+require 'rails_helper'
 
 module Kracken
   RSpec.describe CredentialAuthenticator do

spec/kracken/token_authenticator_spec.rb

@@ -1,4 +1,4 @@
-require 'spec_helper'
+require 'rails_helper'
 
 module Kracken
   RSpec.describe TokenAuthenticator do

spec/kracken_spec.rb

@@ -1,4 +1,4 @@
-require 'spec_helper'
+require 'rails_helper'
 
 RSpec.describe Kracken do
   it "#setup yields the config block" do

spec/rails_helper.rb

@@ -0,0 +1,37 @@
+# This file is copied to spec/ when you run 'rails generate rspec:install'
+ENV['RAILS_ENV'] ||= 'test'
+require File.expand_path("../dummy/config/environment.rb",  __FILE__)
+require 'spec_helper'
+require 'rspec/rails'
+# Add additional requires below this line. Rails is not loaded until this point!
+require 'webmock/rspec'
+
+Rails.backtrace_cleaner.remove_silencers!
+
+# Requires supporting ruby files with custom matchers and macros, etc, in
+# spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are
+# run as spec files by default. This means that files in spec/support that end
+# in _spec.rb will both be required and run as specs, causing the specs to be
+# run twice. It is recommended that you do not name files matching this glob to
+# end with _spec.rb. You can configure this pattern with the --pattern
+# option on the command line or in ~/.rspec, .rspec or `.rspec-local`.
+#
+# The following line is provided for convenience purposes. It has the downside
+# of increasing the boot-up time by auto-requiring all files in the support
+# directory. Alternatively, in the individual `*_spec.rb` files, manually
+# require only the support files necessary.
+#
+#Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
+Dir["#{__dir__}/support/**/*.rb"].each { |f| require f }
+
+RSpec.configure do |config|
+  # Filter lines from Rails gems in backtraces.
+  config.filter_rails_from_backtrace!
+  # arbitrary gems may also be filtered via:
+  # config.filter_gems_from_backtrace("gem name")
+
+  # If true, the base class of anonymous controllers will be inferred
+  # automatically. This will be the default behavior in future versions of
+  # rspec-rails.
+  config.infer_base_class_for_anonymous_controllers = false
+end

spec/requests/api_spec.rb

@@ -1,4 +1,4 @@
-require 'spec_helper'
+require 'rails_helper'
 
 module Kracken
   RSpec.describe 'token authenticatable resource requests', type: :request do

spec/requests/authentication_spec.rb

@@ -1,4 +1,4 @@
-require 'spec_helper'
+require 'rails_helper'
 
 module Kracken
   RSpec.describe "authenticatable resource requests", type: :request do

spec/routing/oauth_spec.rb

@@ -1,4 +1,4 @@
-require 'spec_helper'
+require 'rails_helper'
 
 module Kracken
     RSpec.describe "Kracken OAuth Routes", type: :routing do