Merge pull request #72 from thoughtbot/mm-mattr_accessor-requiring

lib/high_voltage.rb should be able to be required.

lib/high_voltage.rb

@@ -3,6 +3,7 @@
 require 'high_voltage/page_finder'
 require 'high_voltage/route_drawers/default'
 require 'high_voltage/route_drawers/root'
+require 'active_support/core_ext/module/attribute_accessors'
 
 module HighVoltage
   mattr_accessor :layout

spec/high_voltage_spec.rb

@@ -1,7 +1,11 @@
-require 'spec_helper'
+require 'minimal_spec_helper'
 
 describe HighVoltage do
   it 'should be valid' do
     HighVoltage.should be_a(Module)
   end
+
+  it 'should be loadable without preloading rails' do
+    expect { require 'high_voltage' }.not_to raise_error
+  end
 end

spec/minimal_spec_helper.rb

@@ -0,0 +1,5 @@
+RSpec.configure do |config|
+  require 'rspec/expectations'
+  config.include RSpec::Matchers
+  config.mock_with :rspec
+end