:separator option for custom unique suffix

lib/sluggable_finder/orm.rb

@@ -22,6 +22,7 @@ class << self
         	:allow_integer_ids => true,
         	:upcase         => false,
         	:slug_modifier  => slug_modifier || nil,
+          :separator      => '-',
         	:ignore_sti     => false # if true, Uniqueness won't check sibling classes.
         }.merge( options ))
         class_inheritable_reader :sluggable_finder_options
@@ -108,7 +109,7 @@ def create_sluggable_slug
           existing = slugable_class.find(:first, :conditions => [conds_sql,  proposed_slug + suffix])
           while existing != nil or sluggable_finder_options[:reserved_slugs].include?(proposed_slug + suffix)
             if suffix.empty?
-              suffix = "-2"
+              suffix = "#{sluggable_finder_options[:separator]}2"
             else
               suffix.succ!
             end

spec/sluggable_finder_spec.rb

@@ -83,6 +83,10 @@ class ScopedItem < Item
   sluggable_finder :title, :scope => :category_id
 end
 
+class DifferentSeparatorItem < Item
+  sluggable_finder :title, :separator => ':'
+end
+
 describe "random slugs" do
   it "should generate random slugs" do
     SluggableFinder.random_slug_for(String).should_not be_nil
@@ -148,6 +152,17 @@ class ScopedItem < Item
     end
   end
 
+  describe 'with custom suffix separator' do
+    before(:each) do
+      DifferentSeparatorItem.create!(:title => 'A title')
+      @i2 = DifferentSeparatorItem.create!(:title => 'A title')
+    end
+
+    it 'creates unique slug with custom suffix separator' do
+      @i2.slug.should == 'a-title:2'
+    end
+  end
+
   describe 'with modifier block' do
 
     it 'should pass slug through block before saving' do