completely separate rspec runner parts

lib/inspec/runner.rb

@@ -10,9 +10,6 @@ require 'inspec/profile_context'
 require 'inspec/targets'
 require 'inspec/metadata'
 # spec requirements
-require 'rspec'
-require 'rspec/its'
-require 'inspec/rspec_json_formatter'
 
 module Inspec
   class Runner # rubocop:disable Metrics/ClassLength
@@ -22,12 +19,12 @@ module Inspec
       @profile_id = conf[:id]
       @conf = conf.dup
       @conf[:logger] ||= Logger.new(nil)
-      @tests = RSpec::Core::World.new
 
-      # resets "pending examples" in reporter
-      RSpec.configuration.reset
+      @test_collector = @conf.delete(:test_collector) || begin
+        require 'inspec/runner_rspec'
+        RunnerRspec.new(@conf)
+      end
 
-      configure_output
       configure_transport
     end
 
@@ -39,10 +36,6 @@ module Inspec
       res
     end
 
-    def configure_output
-      RSpec.configuration.add_formatter(@conf['format'] || 'progress')
-    end
-
     def configure_transport
       @backend = Inspec::Backend.create(@conf)
     end
@@ -109,12 +102,8 @@ module Inspec
       end
     end
 
-    def run
-      run_with(RSpec::Core::Runner.new(nil))
-    end
-
-    def run_with(rspec_runner)
-      rspec_runner.run_specs(@tests.ordered_example_groups)
+    def run(with = nil)
+      @test_collector.run(with)
     end
 
     private
@@ -164,19 +153,9 @@ module Inspec
         dsl = ctx.method(:create_inner_dsl).call(backend)
         example.send(:include, dsl)
 
-        set_rspec_ids(example, rule_id)
-        @tests.register(example)
+        @test_collector.add_test(example, rule_id)
       end
     end
 
-    def set_rspec_ids(example, id)
-      example.metadata[:id] = id
-      example.filtered_examples.each do |e|
-        e.metadata[:id] = id
-      end
-      example.children.each do |child|
-        set_rspec_ids(child, id)
-      end
-    end
   end
 end

lib/inspec/runner_rspec.rb

@@ -0,0 +1,52 @@
+# encoding: utf-8
+# author: Dominik Richter
+# author: Christoph Hartmann
+
+require 'rspec/core'
+require 'rspec/its'
+require 'inspec/rspec_json_formatter'
+
+module Inspec
+  class RunnerRspec
+    def initialize
+      reset_tests
+      configure_output
+    end
+
+    def reset_tests
+      @tests = RSpec::Core::World.new
+      # resets "pending examples" in reporter
+      RSpec.configuration.reset
+    end
+
+    def configure_output
+      RSpec.configuration.add_formatter(@conf['format'] || 'progress')
+    end
+
+    def add_test(example, rule_id)
+      set_rspec_ids(example, rule_id)
+      @tests.register(example)
+    end
+
+    def tests
+      @tests.ordered_example_groups
+    end
+
+    def run(with = nil)
+      with ||= RSpec::Core::Runner.new(nil)
+      with.run_specs(@test_collector.tests)
+    end
+
+    private
+
+    def set_rspec_ids(example, id)
+      example.metadata[:id] = id
+      example.filtered_examples.each do |e|
+        e.metadata[:id] = id
+      end
+      example.children.each do |child|
+        set_rspec_ids(child, id)
+      end
+    end
+  end
+end

test/unit/profile_test.rb

@@ -3,6 +3,8 @@
 # author: Dominik Richter
 
 require 'helper'
+require 'inspec/profile_context'
+require 'inspec/runner'
 
 describe Inspec::Profile do
   before {