Support for autotest with parallel option

lib/autotest/rspec2.rb

@@ -41,8 +41,13 @@ def consolidate_failures(failed)
   end
 
   def make_test_cmd(files_to_test)
-    files_to_test.empty? ? '' :
+    if files_to_test.empty?
+      ''
+    elsif options[:parallel] and files_to_test.size > 1
+      "#{prefix}parallel_spec #{normalize(files_to_test).keys.flatten.join(' ')}"
+    else
       "#{prefix}#{ruby}#{suffix} -S #{SPEC_PROGRAM} --tty #{normalize(files_to_test).keys.flatten.map { |f| "'#{f}'"}.join(' ')}"
+    end
   end
 
   def normalize(files_to_test)

spec/autotest/rspec_spec.rb

@@ -55,6 +55,27 @@
       cmd.should match(' --tty ')
       cmd.should_not match(' --autotest ')
     end
+
+    context "when parallel option is set to true" do
+      before do
+        rspec_autotest.options[:parallel] = true
+      end
+
+      after do
+        rspec_autotest.options[:parallel] = false
+      end
+
+      it "makes the appropriate test command" do
+        actual_command = rspec_autotest.make_test_cmd(@files_to_test)
+        expected_command = /parallel_spec (.*)/
+
+        actual_command.should match(expected_command)
+
+        actual_command =~ expected_command
+        $1.should =~ /#{File.expand_path('file_one')}/
+        $1.should =~ /#{File.expand_path('file_two')}/
+      end
+    end
   end
 
   describe "mappings" do