When util is included, extend the class as well [closes GH-83]

lib/vagrant/util.rb

@@ -0,0 +1,7 @@
+module Vagrant
+  module Util
+    def self.included(base)
+      base.extend(self)
+    end
+  end
+end

test/vagrant/util_test.rb

@@ -0,0 +1,27 @@
+require File.join(File.dirname(__FILE__), '..', 'test_helper')
+
+class UtilTest < Test::Unit::TestCase
+  class UtilIncludeTest
+    include Vagrant::Util
+  end
+
+  setup do
+    @klass = UtilIncludeTest
+  end
+
+  context "with a class" do
+    should "have the util methods" do
+      assert @klass.respond_to?(:error_and_exit)
+    end
+  end
+
+  context "with an instance" do
+    setup do
+      @instance = @klass.new
+    end
+
+    should "have the util methods" do
+      assert @instance.respond_to?(:error_and_exit)
+    end
+  end
+end