Add WikiPage.unhyphenize

app/helpers/wiki_helper.rb

@@ -7,7 +7,7 @@ module WikiHelper
   # capitalized name of the page itself.
   def breadcrumb(page_slug)
     page_slug.split('/').
-      map { |dir_or_page| dir_or_page.gsub(/-+/, ' ').capitalize }.
+      map { |dir_or_page| WikiPage.unhyphenize(dir_or_page).capitalize }.
       join(' / ')
   end
 end

app/models/wiki_page.rb

@@ -34,6 +34,10 @@ class WikiPage
       flatten
   end
 
+  def self.unhyphenize(name)
+    name.gsub(/-+/, ' ')
+  end
+
   def to_key
     [:slug]
   end
@@ -78,7 +82,7 @@ class WikiPage
   # The formatted title of this page.
   def title
     if @attributes[:title]
-      @attributes[:title].gsub(/-+/, ' ')
+      self.class.unhyphenize(@attributes[:title])
     else
       ""
     end

spec/models/wiki_page_spec.rb

@@ -68,6 +68,14 @@ describe WikiPage, models: true do
     end
   end
 
+  describe '.unhyphenize' do
+    it 'removes hyphens from a name' do
+      name = 'a-name--with-hyphens'
+
+      expect(WikiPage.unhyphenize(name)).to eq('a name with hyphens')
+    end
+  end
+
   describe "#initialize" do
     context "when initialized with an existing gollum page" do
       before do