diff --git a/bin/jasmine-headless-webkit b/bin/jasmine-headless-webkit
index a0a75ce..2107c55 100755
--- a/bin/jasmine-headless-webkit
+++ b/bin/jasmine-headless-webkit
@@ -1,9 +1,16 @@
 #!/usr/bin/env ruby
 
+gem_dir = File.expand_path('../..', __FILE__)
+$:.unshift(File.join(gem_dir, 'lib'))
+
 require 'yaml'
 require 'fileutils'
 require 'getoptlong'
 
+require 'jasmine/cli'
+
+include Jasmine::CLI
+
 opts = GetoptLong.new(
   [ '--colors', '-c', GetoptLong::NO_ARGUMENT ],
   [ '--no-colors', GetoptLong::NO_ARGUMENT ]
@@ -28,7 +35,6 @@ end
 opts.each(&process_options)
 
 data = YAML.load_file(ARGV.shift || 'spec/javascripts/support/jasmine.yml')
-gem_dir = File.expand_path('../..', __FILE__)
 
 if !File.file?(File.join(gem_dir, 'ext/jasmine-webkit-specrunner/jasmine-webkit-specrunner'))
   puts "The Qt WebKit widget is not compiled! Try re-installing this gem."
@@ -43,12 +49,6 @@ files = [
   'file://' + File.join(gem_dir, 'jasmine/lib/jasmine.css')
 ]
 
-DEFAULTS = {
-  'spec_files' => [ '**/*[sS]pec.js' ],
-  'helpers' => [ 'helpers/**/*.js' ],
-  'spec_dir' => 'spec/javascripts'
-}
-
 files += [ [ 'src_files', 'src_dir' ], [ 'stylesheets', 'src_dir' ], [ 'helpers', 'spec_dir' ], [ 'spec_files', 'spec_dir' ] ].collect do |searches, root|
   data[searches] ||= DEFAULTS[searches]
   data[root] ||= DEFAULTS[root]
diff --git a/lib/jasmine/cli.rb b/lib/jasmine/cli.rb
new file mode 100644
index 0000000..dd5d761
--- /dev/null
+++ b/lib/jasmine/cli.rb
@@ -0,0 +1,17 @@
+module Jasmine
+  module CLI
+    DEFAULTS = {
+      'spec_files' => [ '**/*[sS]pec.js' ],
+      'helpers' => [ 'helpers/**/*.js' ],
+      'spec_dir' => 'spec/javascripts',
+      'src_dir' => '',
+      'stylesheets' => [],
+      'src_files' => []
+    }
+
+    def process_jasmine_config(overrides = {})
+      DEFAULTS.merge(overrides)
+    end
+  end
+end
+
diff --git a/spec/lib/jasmine/cli_spec.rb b/spec/lib/jasmine/cli_spec.rb
new file mode 100644
index 0000000..62322c9
--- /dev/null
+++ b/spec/lib/jasmine/cli_spec.rb
@@ -0,0 +1,44 @@
+require 'spec_helper'
+require 'jasmine/cli'
+
+describe Jasmine::CLI do
+  include Jasmine::CLI
+
+  describe '#process_jasmine_config' do
+    context 'without overrides' do
+      let(:config) { {} }
+
+      it "should just return the defaults" do
+        process_jasmine_config(config).should == {
+          'src_files' => [],
+          'stylesheets' => [],
+          'helpers' => [ 'helpers/**/*.js' ],
+          'spec_files' => [ '**/*[sS]pec.js' ],
+          'src_dir' => '',
+          'spec_dir' => 'spec/javascripts'
+        }
+      end
+    end
+
+    context 'with overrides' do
+      let(:config) {
+        { 
+          'src_files' => [ 'one', 'two' ],
+          'src_dir' => 'this-dir',
+          'stylesheets' => [ 'three', 'four' ],
+          'helpers' => [ 'five', 'six' ],
+          'spec_files' => [ 'seven', 'eight' ],
+          'spec_dir' => 'that-dir'
+        } 
+      }
+
+      it "should return the merged data" do
+        process_jasmine_config(config).should == config
+      end
+    end
+  end
+
+  describe '#get_files' do
+
+  end
+end