lib/geocoder/cache.rb in geocoder-1.4.3 vs lib/geocoder/cache.rb in geocoder-1.4.4

@@ -38,10 +38,14 @@
     # Delete cache entry for given URL,
     # or pass <tt>:all</tt> to clear all URLs.
     #
     def expire(url)
       if url == :all
-        urls.each{ |u| expire(u) }
+        if store.respond_to?(:keys)
+          urls.each{ |u| expire(u) }
+        else
+          raise(NoMethodError, "The Geocoder cache store must implement `#keys` for `expire(:all)` to work")
+        end
       else
         expire_single_url(url)
       end
     end