Add model additions for slug delimiter substitution.

lib/slugtastic/model_additions.rb

@@ -11,7 +11,7 @@ module Slugtastic
     #   end
     def has_slug name, options = { :from => :title }
       before_validation do |record|
-        send("#{name}=", Slugtastic.generate_slug(send(options[:from]))) if send(name).nil? or send(name).blank?
+        send("#{name}=", Slugtastic.generate_slug(send(options[:from]), options[:delimiter])) if send(name).nil? or send(name).blank?
       end
     end
 

lib/slugtastic/version.rb

@@ -1,3 +1,3 @@
 module Slugtastic
-  VERSION = "1.2.0-alpha"
+  VERSION = "1.2.0.alpha"
 end

spec/slugtastic/model_additions_spec.rb

@@ -4,8 +4,9 @@ require 'spec_helper'
 class Model < SuperModel::Base
   include ActiveModel::Validations::Callbacks
   extend Slugtastic::ModelAdditions
-  attr_accessor :slug, :title
+  attr_accessor :slug, :slug_2, :title
   has_slug :slug, from: :title
+  has_slug :slug_2, from: :title, delimiter: "_"
 end
 
 describe Slugtastic::ModelAdditions do
@@ -13,6 +14,10 @@ describe Slugtastic::ModelAdditions do
     Model.create!(:title => "A Simple Title").slug.should eq "a-simple-title"
   end
 
+  it "generates a slug from the title with delimiter substitutions" do
+    Model.create!(:title => "A Simple Title").slug_2.should eq "a_simple_title"
+  end
+
   it "doesn't regenerate the slug if it already exists" do
     model = Model.create!(:title => "A Simple Title")
     model.slug.should eq "a-simple-title"
@@ -20,5 +25,6 @@ describe Slugtastic::ModelAdditions do
     model.title = "A new title"
     model.save
     model.slug.should eq "a-simple-title"
+    model.slug_2.should eq "a_simple_title"
   end
 end