adding a shell extension class of the rspec_junit_formatter gem formatter and including it in the formatters list with key 'junit'

Signed-off-by: jkerry <john@kerryhouse.net>

Gemfile

@@ -15,6 +15,7 @@ if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.2.2')
 end
 
 gem 'ffi', '>= 1.9.14'
+gem 'rspec_junit_formatter', '~> 0.2.3'
 
 group :test do
   gem 'bundler', '~> 1.5'

inspec.gemspec

@@ -37,4 +37,5 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'mixlib-log'
   spec.add_dependency 'sslshake', '~> 1'
   spec.add_dependency 'parallel', '~> 1.9'
+  spec.add_dependency 'rspec_junit_formatter', '~> 0.2.3'
 end

lib/inspec/rspec_json_formatter.rb

@@ -4,6 +4,7 @@
 
 require 'rspec/core'
 require 'rspec/core/formatters/json_formatter'
+require 'rspec_junit_formatter'
 
 # Vanilla RSpec JSON formatter with a slight extension to show example IDs.
 # TODO: Remove these lines when RSpec includes the ID natively
@@ -547,3 +548,14 @@ class InspecRspecCli < InspecRspecJson # rubocop:disable Metrics/ClassLength
     data
   end
 end
+
+class InspecRspecJUnit < RSpecJUnitFormatter
+  RSpec::Core::Formatters.register self, :close
+
+  def initialize(*args)
+    super(*args)
+  end
+
+  def close(_notification)
+  end
+end

lib/inspec/runner_rspec.rb

@@ -103,6 +103,7 @@ module Inspec
       'json' => 'InspecRspecJson',
       'json-rspec' => 'InspecRspecVanilla',
       'cli' => 'InspecRspecCli',
+      'junit' => 'InspecRspecJUnit',
     }.freeze
 
     # Configure the output formatter and stream to be used with RSpec.