Cleanup rspec runner and extract unused code

lib/mutant/killer/rspec.rb

@@ -4,26 +4,6 @@ module Mutant
     class Rspec < self
       TYPE = 'rspec'.freeze
 
-      # Run block in clean rspec environment
-      #
-      # @return [Object]
-      #   returns the value of block
-      #
-      # @api private
-      #
-      def self.nest
-        original_world, original_configuration = 
-          ::RSpec.instance_variable_get(:@world),
-          ::RSpec.instance_variable_get(:@configuration)
-
-        ::RSpec.reset
-
-        yield
-      ensure
-        ::RSpec.instance_variable_set(:@world, original_world)
-        ::RSpec.instance_variable_set(:@configuration, original_configuration)
-      end
-
     private
 
       # Initialize rspec runner
@@ -54,8 +34,6 @@ module Mutant
 
       # Run rspec with some wired compat stuff
       #
-      # FIXME: This extra stuff needs to be configurable per project
-      #
       # @return [Fixnum]
       #   returns the exit status from rspec runner
       #

spec/unit/mutant/killer/rspec/class_methods/new_spec.rb

@@ -1,15 +1,12 @@
 require 'spec_helper'
 
-describe Mutant::Killer::Rspec, '.run' do
+describe Mutant::Killer::Rspec, '.new' do
 
-  before do
-    pending
-  end
+  subject { object.new(strategy, mutation) }
 
-  subject { object.run(mutation) }
-
-  let(:context)      { mock('Context')  }
-  let(:mutation)     { mock('Mutation') }
+  let(:strategy) { mock('Strategy', :filename_pattern => 'foo') }
+  let(:context)  { mock('Context')  }
+  let(:mutation) { mock('Mutation') }
 
   let(:object)  { described_class }
 

stuff.rb

@@ -0,0 +1,21 @@
+
+      # Run block in clean rspec environment
+      #
+      # @return [Object]
+      #   returns the value of block
+      #
+      # @api private
+      #
+      def self.nest
+        original_world, original_configuration = 
+          ::RSpec.instance_variable_get(:@world),
+          ::RSpec.instance_variable_get(:@configuration)
+
+        ::RSpec.reset
+
+        yield
+      ensure
+        ::RSpec.instance_variable_set(:@world, original_world)
+        ::RSpec.instance_variable_set(:@configuration, original_configuration)
+      end
+