Merge pull request #1499 from gollum/primer_breadcrumbs

Primer CSS breadcrumbs (related to #1394).

lib/gollum/views/overview.rb

@@ -20,18 +20,18 @@ module Precious
       def breadcrumb
         if @path
           path       = Pathname.new(@path)
-          breadcrumb = [%{<a href="#{overview_path}">Home</a>}]
+          breadcrumb = [%{<nav aria-label="Breadcrumb"><ol><li class="breadcrumb-item"><a href="#{overview_path}">Home</a></li>}]
           path.descend do |crumb|
             title = crumb.basename
 
             if title == path.basename
-              breadcrumb << title
+              breadcrumb << %{<li class="breadcrumb-item" aria-current="page">#{title}</li>}
             else
-              breadcrumb << %{<a href="#{overview_path}/#{crumb}/">#{title}</a>}
+              breadcrumb << %{<li class="breadcrumb-item"><a href="#{overview_path}/#{crumb}/">#{title}</a></li>}
             end
           end
-
-          breadcrumb.join(' / ')
+          breadcrumb << %{</ol></nav>}
+          breadcrumb.join("\n")
         else
           'Home'
         end

lib/gollum/views/page.rb

@@ -28,13 +28,14 @@ module Precious
       def breadcrumb
         path = Pathname.new(@page.url_path).parent
         return '' if path.to_s == '.'
-        breadcrumb = []
+        breadcrumb = [%{<nav aria-label="Breadcrumb"><ol>}]
         path.descend do |crumb|
           element = "#{crumb.basename}"
           next if element == @page.title
-          breadcrumb << %{<a href="#{overview_path}/#{crumb}/">#{element}</a>}
+          breadcrumb << %{<li class="breadcrumb-item"><a href="#{overview_path}/#{crumb}/">#{element}</a></li>}
         end
-        breadcrumb.join(' / ') << ' /'
+        breadcrumb << %{</ol></nav>}
+        breadcrumb.join("\n")
       end
 
       def content

test/test_overview_view.rb

@@ -41,7 +41,8 @@ context "Precious::Views::Overview" do
   test "breadcrumb" do
     @page.instance_variable_set("@path", "Mordor/Eye-Of-Sauron/Saruman")
     @page.instance_variable_set("@base_url", "")
-    assert_equal '<a href="/gollum/overview">Home</a> / <a href="/gollum/overview/Mordor/">Mordor</a> / <a href="/gollum/overview/Mordor/Eye-Of-Sauron/">Eye-Of-Sauron</a> / Saruman', @page.breadcrumb
+    $stderr.puts @page.breadcrumb.inspect
+    assert_equal "<nav aria-label=\"Breadcrumb\"><ol><li class=\"breadcrumb-item\"><a href=\"/gollum/overview\">Home</a></li>\n<li class=\"breadcrumb-item\"><a href=\"/gollum/overview/Mordor/\">Mordor</a></li>\n<li class=\"breadcrumb-item\"><a href=\"/gollum/overview/Mordor/Eye-Of-Sauron/\">Eye-Of-Sauron</a></li>\n<li class=\"breadcrumb-item\" aria-current=\"page\">Saruman</li>\n</ol></nav>", @page.breadcrumb
   end
 
   test "breadcrumb with no path" do

test/test_page_view.rb

@@ -115,7 +115,8 @@ EOS
     @view = Precious::Views::Page.new
     @view.instance_variable_set :@page, page
     @view.instance_variable_set :@content, page.formatted_data
-    assert_equal @view.breadcrumb, '<a href="/gollum/overview/subdir/">subdir</a> /'
+    assert_equal @view.breadcrumb, "<nav aria-label=\"Breadcrumb\"><ol>\n<li class=\"breadcrumb-item\"><a href=\"/gollum/overview/subdir/\">subdir</a></li>\n</ol></nav>"
+
 
     # No breadcrumb on unnested page
     @wiki.write_page('BC Test 2', :markdown, 'Test', commit_details)