Given this method calling to Compass::SpriteImporter.path_and_name
and patched to raise an exception
Compass::SassExtensions::Sprites::SpriteMap.class_eval do
def self.from_uri(uri, context, kwargs)
uri = uri.value
path, name = Compass::SpriteImporter.path_and_name(uri)
raise "Path: #{path} Name: #{name} URI: #{uri} CallReturn: #{Compass::SpriteImporter.path_and_name(uri)}"