expose exe file location

Author: JonRowe

lib/rspec/core.rb

@@ -136,6 +136,12 @@ class << self
         define_method(:now,&::Time.method(:now))
       end
     end
+
+    # @private path to executable file
+    def self.path_to_executable
+      File.expand_path('../../../exe/rspec', __FILE__)
+    end
+
   end
 
   def self.const_missing(name)
@@ -154,4 +160,3 @@ def self.const_missing(name)
     end
   end
 end
-

spec/rspec/core_spec.rb

@@ -52,4 +52,10 @@
       expect(RSpec.world).not_to equal(world_before_reset)
     end
   end
+
+  describe "::Core.path_to_executable" do
+    it 'returns the absolute location of the exe/rspec file' do
+      expect(RSpec::Core.path_to_executable).to eq File.expand_path('../../../exe/rspec',__FILE__)
+    end
+  end
 end