Added test for RemoteTasks that run arbitrary commands

test/fixtures/task_test_config.yml

@@ -0,0 +1,6 @@
+---
+  workers:
+    - type: ssh
+      connect: localhost
+      directory: /tmp
+      runners: 1

test/task_test.rb

@@ -0,0 +1,21 @@
+require File.join(File.dirname(__FILE__), 'test_helper')
+require 'hydra/tasks'
+require 'rake'
+
+class TaskTest < Test::Unit::TestCase
+  context "a task" do
+    should "execute the command in a remote machine" do
+      
+      File.delete( "/tmp/new_file" ) if File.exists? "/tmp/new_file"
+
+      Hydra::RemoteTask.new('cat:text_file', 'touch new_file') do |t|
+        t.config = "test/fixtures/task_test_config.yml"
+      end
+
+      Rake.application['hydra:remote:cat:text_file'].invoke
+
+      assert( File.exists? "/tmp/new_file" )
+      
+    end
+  end
+end