From a780b2523322b61a5bcfb1674b764a4720135df7 Mon Sep 17 00:00:00 2001
From: Thaddee Tyl <thaddee.tyl@gmail.com>
Date: Sun, 5 Jan 2014 15:41:35 +0100
Subject: [PATCH] Deal with Coverage's unkown state.

Part of issue #16.
---
 server.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/server.js b/server.js
index c450020..32a48bf 100644
--- a/server.js
+++ b/server.js
@@ -102,6 +102,12 @@ function(data, match, end, ask) {
     try {
       var score = buffer.split('_')[1].split('.')[0];
       var percentage = parseInt(score);
+      if (percentage !== percentage) {
+        // It is NaN, treat it as unknown.
+        badgeData.text[1] = 'unknown';
+        badge(badgeData, makeSend(format, ask.res, end));
+        return;
+      }
     } catch(e) {
       badgeData.text[1] = 'malformed';
       badge(badgeData, makeSend(format, ask.res, end));