use rye to test remotely

via ssh , no config yet

test/parfait/helper.rb

@@ -1,5 +1,8 @@
 require_relative '../helper'
 require "interpreter/interpreter"
+require "rye"
+Rye::Cmd.add_command :ld, '/usr/bin/ld'
+Rye::Cmd.add_command :aout, './a.out'
 
 module RuntimeTests
 
@@ -15,7 +18,7 @@ class Object
 end
 HERE
   end
-  def check
+  def check ret = nil
     machine = Register.machine.boot
     Soml::Compiler.load_parfait
     machine.parse_and_compile  main.sub("PROGRAM" , @string_input )
@@ -28,23 +31,57 @@ HERE
       #puts interpreter.instruction
       @interpreter.tick
     end while( ! @interpreter.instruction.nil?)
-    assert_equal @stdout , @interpreter.stdout
-    write_file if true
+    assert_equal @stdout , @interpreter.stdout , "stdout wrong locally"
+    if ret
+      assert_equal Parfait::Message , @interpreter.get_register(:r0).class
+      assert_equal ret , @interpreter.get_register(:r0).return_value , "exit wrong #{@string_input}"
+    end
+    check_remote ret
   end
 
-  def write_file
+  def connected
+    return @@conn if defined?(@@conn)
+    begin
+      box = Rye::Box.new("localhost" , :port => 2222 , :user => "pi")
+      box.pwd
+      puts "connected, testing also remotely"
+      @@conn = box
+    rescue Rye::Err
+      @@conn = false
+    end
+    return @@conn
+  end
+  def check_remote ret
+    return unless box = connected
+    file = write_object_file
+    r_file = file.sub("./" , "salama/")
+    box.file_upload file , r_file
+    box.ld "-N", r_file
+    begin    #need to rescue here as rye throws if no return 0
+      ret = box.aout           # and we use return to mean something
+    rescue Rye::Err => e       # so it's basically never 0
+      ret = e.rap
+    end
+    assert_equal @stdout , ret.stdout.join , "remote std was #{ret.stdout}" if @stdout
+    assert_equal "" , ret.stderr.join , "remote had error"
+    if ret
+      should =  @interpreter.get_register(:r0).return_value
+      assert_equal ret.exit_status.to_i ,should , "remote exit failed for #{@string_input}"
+    end
+  end
+
+  def write_object_file
     file_name = caller(3).first.split("in ").last.chop.sub("`","")
     return if file_name.include?("run")
     file_name =  "./tmp/" + file_name + ".o"
     Register.machine.translate_arm
     writer = Elf::ObjectWriter.new
     writer.save file_name
+    file_name
   end
 
   def check_return val
-    check
-    assert_equal Parfait::Message , @interpreter.get_register(:r0).class
-    assert_equal val , @interpreter.get_register(:r0).return_value , @string_input
+    check val
   end
 
   def check_return_class val