do not break oneboxes' favicon after updating favicons

lib/oneboxer/base_onebox.rb

@@ -29,7 +29,7 @@ module Oneboxer
       end
 
       def uriencode(val)
-        return URI.escape(val, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))
+        URI.escape(val, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))
       end
 
     end

lib/oneboxer/handlebars_onebox.rb

@@ -39,9 +39,10 @@ module Oneboxer
       html = fetch_html
       args = parse(html)
       return default_url unless args.present?
+
       args[:original_url] = @url
       args[:lang] = @lang || ""
-      args[:favicon] = ActionController::Base.helpers.image_path(self.class.favicon_file) if self.class.favicon_file.present?
+      args[:favicon] = ActionController::Base.helpers.asset_path(self.class.favicon_file, digest: false) if self.class.favicon_file.present?
       args[:host] = nice_host
 
       HandlebarsOnebox.generate_onebox(template,args)
@@ -51,7 +52,7 @@ module Oneboxer
       default_url
     end
 
-    def self.generate_onebox(template, args)
+    def self.generate_onebox(template, args={})
       Mustache.render(File.read(template), args)
     end
 

spec/components/oneboxer/handlebars_onebox_spec.rb

@@ -3,9 +3,10 @@ require 'oneboxer'
 require 'oneboxer/handlebars_onebox'
 
 describe Oneboxer::HandlebarsOnebox do
-  H = Oneboxer::HandlebarsOnebox
 
   describe 'simple onebox' do
+    H = Oneboxer::HandlebarsOnebox
+
     it "is able to render image size when specified" do
       template = H.template_path('simple_onebox')
       result = H.generate_onebox(template, 'image_width' => 100, 'image_height' => 100, image: 'http://my.com/image.png')
@@ -13,5 +14,22 @@ describe Oneboxer::HandlebarsOnebox do
       result.should =~ /width=/
       result.should =~ /height=/
     end
+
+    class SimpleOnebox < Oneboxer::HandlebarsOnebox
+      favicon 'stackexchange.png'
+
+      def parse(html)
+        { testing: true }
+      end
+    end
+
+    it "does not use fingerprint on favicons" do
+      onebox = SimpleOnebox.new "http://domain.com"
+      onebox.stubs(:fetch_html).returns("")
+      ActionController::Base.helpers.expects(:asset_path).with('favicons/stackexchange.png', digest: false)
+      result = onebox.onebox
+    end
+
   end
+
 end