an wild Boxen::Service appears!

This could be cleaned up more, what with the com.boxen.*.plist
repetition. Later.

lib/boxen/service.rb

@@ -0,0 +1,44 @@
+require "boxen/util"
+
+module Boxen
+  class Service
+    attr_reader :name
+
+    def self.list
+      files.collect do |service|
+        new(human_name(service))
+      end
+    end
+
+    def initialize(name)
+      @name = name
+    end
+
+    def enable
+      Boxen::Util.sudo('/bin/launchctl', 'load', '-w', location)
+    end
+
+    def disable
+      Boxen::Util.sudo('/bin/launchctl', 'unload', '-w', location)
+    end
+
+
+    private
+
+    def location
+      "#{self.class.location}/com.boxen.#{name}.plist"
+    end
+
+    def self.location
+      "/Library/LaunchDaemons"
+    end
+
+    def self.files
+      Dir["#{location}/com.boxen.*.plist"]
+    end
+
+    def self.human_name(service)
+      service.match(/com\.boxen\.(.+)\.plist$/)[1]
+    end
+  end
+end

test/boxen_service_test.rb

@@ -0,0 +1,28 @@
+require "boxen/test"
+require "boxen/service"
+
+class BoxenServiceTest < Boxen::Test
+  def test_list
+    Dir.expects(:[]).with("/Library/LaunchDaemons/com.boxen.*.plist").returns([
+      "/Library/LaunchDaemons/com.boxen.test.plist",
+      "/Library/LaunchDaemons/com.boxen.other.plist"
+    ])
+
+    services = Boxen::Service.list
+    assert_equal ['other', 'test'], services.collect(&:name).sort
+  end
+
+  def test_enable
+    service = Boxen::Service.new('blip')
+    Boxen::Util.expects(:sudo).with('/bin/launchctl', 'load', '-w',
+      '/Library/LaunchDaemons/com.boxen.blip.plist')
+    service.enable
+  end
+
+  def test_disable
+    service = Boxen::Service.new('thing')
+    Boxen::Util.expects(:sudo).with('/bin/launchctl', 'unload', '-w',
+      '/Library/LaunchDaemons/com.boxen.thing.plist')
+    service.disable
+  end
+end