From 430436ce8d5378913280c79e097faf12b3624305 Mon Sep 17 00:00:00 2001
From: rick <technoweenie@gmail.com>
Date: Mon, 13 Sep 2010 15:48:54 -0700
Subject: [PATCH] handle non strings passed to Page.cname

---
 lib/gollum/page.rb | 4 +++-
 test/test_page.rb  | 5 +++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/gollum/page.rb b/lib/gollum/page.rb
index 3f1ce55f..4ef8d1bc 100644
--- a/lib/gollum/page.rb
+++ b/lib/gollum/page.rb
@@ -202,7 +202,9 @@ module Gollum
     #
     # Returns the String canonical name.
     def self.cname(name)
-      name.gsub(%r{[ /<>]}, '-')
+      name.respond_to?(:gsub)      ?
+        name.gsub(%r{[ /<>]}, '-') :
+        ''
     end
 
     # Convert a format Symbol into an extension String.
diff --git a/test/test_page.rb b/test/test_page.rb
index 0df52ecf..1316c713 100644
--- a/test/test_page.rb
+++ b/test/test_page.rb
@@ -110,4 +110,9 @@ context "Page" do
     footer = @wiki.page("_Footer")
     assert_nil footer.footer
   end
+
+  test "cannot convert non string to human readable page title" do
+    assert_equal '', Gollum::Page.cname(nil)
+    assert_equal '', Gollum::Page.cname(3)
+  end
 end