From d67f18c1c4433e932919d638fe7e9f6604117990 Mon Sep 17 00:00:00 2001
From: Henry Oswald <henry.oswald@sharelatex.com>
Date: Thu, 5 Jun 2014 16:13:06 +0100
Subject: [PATCH] add null checks and defaults for the cached smoke test
 results

---
 app.coffee | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/app.coffee b/app.coffee
index ea5bfe8..1061760 100644
--- a/app.coffee
+++ b/app.coffee
@@ -45,14 +45,19 @@ resCacher =
 	contentType:(@setContentType)->
 	send:(@code, @body)->
 
+	#default the server to be down
+	code:500
+	body:{}
+	setContentType:"application/json"
+
 do runSmokeTest = ->
 	logger.log("running smoke tests")
 	smokeTest.run(require.resolve(__dirname + "/test/smoke/js/SmokeTests.js"))({}, resCacher)
 	setTimeout(runSmokeTest, 20 * 1000)
 
 app.get "/health_check", (req, res)->
-	res.contentType(resCacher.setContentType)
-	res.send resCacher.code, resCacher.body
+	res.contentType(resCacher?.setContentType)
+	res.send resCacher?.code, resCacher?.body
 
 app.use (error, req, res, next) ->
 	logger.error err: error, "server error"