piwik-tracker: Add test file

piwik-tracker/piwik-tracker-tests.ts

@@ -0,0 +1,28 @@
+/// <reference path="../node/node.d.ts" />
+/// <reference path="piwik-tracker.d.ts" />
+
+// Example code taken from https://www.npmjs.com/package/piwik-tracker
+
+var PiwikTracker = require('piwik-tracker');
+ 
+// Initialize with your site ID and Piwik URL 
+var piwik = new PiwikTracker(1, 'http://mywebsite.com/piwik.php');
+ 
+// Optional: Respond to tracking errors 
+piwik.on('error', function(err) {
+  console.log('error tracking request: ', err)
+})
+ 
+// Track a request URL: 
+// Either as a simple string … 
+piwik.track('http://example.com/track/this/url');
+ 
+// … or provide further options: 
+piwik.track({
+  url: 'http://example.com/track/this/url',
+  action_name: 'This will be shown in your dashboard',
+  ua: 'Node.js v0.10.24',
+  cvar: JSON.stringify({
+    '1': ['custom variable name', 'custom variable value']
+  })
+});