From e45d8339c47d77fb9a6db48d3c66398091a89e22 Mon Sep 17 00:00:00 2001
From: Simon Tokumine <si@tinypla.net>
Date: Mon, 9 Jul 2012 16:12:03 +0200
Subject: [PATCH] add event driven test when VarnishEmu server starts to listen

---
 test/acceptance/cache_validator.js | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/test/acceptance/cache_validator.js b/test/acceptance/cache_validator.js
index 703410fa..b03f6d7e 100644
--- a/test/acceptance/cache_validator.js
+++ b/test/acceptance/cache_validator.js
@@ -4,7 +4,7 @@ require(__dirname + '/../test_helper');
 var CacheValidator = require(__dirname + '/../../lib/cartodb/cache_validator');
 var tests = module.exports = {};
 
-function VarnishEmu(on_cmd_recieved) {
+function VarnishEmu(on_cmd_recieved, test_callback) {
     var self = this;
     var welcome_msg = 'hi, im a varnish emu, right?';
 
@@ -21,13 +21,20 @@ function VarnishEmu(on_cmd_recieved) {
       });
     });
     server.listen(1337, "127.0.0.1");
+    
+    server.on('listening', function(){
+      test_callback();
+    });    
 }
 
 tests['should call purge on varnish when invalidate database'] = function() {
-    var varnish = new VarnishEmu(function(cmds) {
+    var varnish = new VarnishEmu(
+    function(cmds) {
         assert.ok(cmds.length == 1);        
         assert.equal('purge obj.http.X-Cache-Channel ~ \"^test_db:(.*test_cache.*)|(table)$\"\n', cmds[0].toString('utf8'));
+    },
+    function(){
+      CacheValidator.init('localhost', 1337);
+      CacheValidator.invalidate_db('test_db', 'test_cache');      
     });
-    CacheValidator.init('localhost', 1337);
-    CacheValidator.invalidate_db('test_db', 'test_cache');
 }