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Cohort analysis on more that one page #1

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13 changes: 9 additions & 4 deletions lib/cohorts.js
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,8 @@ Cohorts = (function() {
throw(" _gaq object not found: It looks like you haven't correctly setup the asynchronous Google Analytics tracking code, and you are using the default GoogleAnalyticsAdapter.");
}
},
onInitialize: function(inTest, testName, cohort) {
if(inTest) {
onInitialize: function(inTest, testName, cohort, new_to_this_test) {
if(inTest && new_to_this_test) {
this.trackEvent(this.nameSpace, testName, cohort + ' | Total');
}
},
Expand Down Expand Up @@ -71,8 +71,13 @@ Cohorts = (function() {

// Determine whether user should be in the test
var in_test = this.inTest();
if(in_test === null) // haven't seen this user before
var new_to_this_test = null;
if(in_test === null) { // haven't seen this user before
in_test = Math.random() <= this.options.sample;
if (in_test) new_to_this_test = true;
}
else
new_to_this_test = false;

if(in_test) {
this.setCookie('in_test', 1);
Expand All @@ -86,7 +91,7 @@ Cohorts = (function() {
} else {
var chosen_cohort = this.getCohort();
}
this.options.storageAdapter.onInitialize(in_test, this.options.name, chosen_cohort);
this.options.storageAdapter.onInitialize(in_test, this.options.name, chosen_cohort, new_to_this_test);

// call the onChosen handler, if it exists
if(this.options.cohorts[chosen_cohort].onChosen)
Expand Down
82 changes: 82 additions & 0 deletions test/dev_storageAdapter.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,82 @@
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<title>Cohorts Test with StorageAdapter</title>
<script type="text/javascript" src="jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="../lib/cohorts.js"></script>
<script type="text/javascript">

var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-16758721-1']);
_gaq.push(['_trackPageview']);

(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();

</script>
</head>
<body id="test" onload="">
<h1 style="display:none" id="big">
<a href="#">This is a big header</a>
</h1>

<h2 id="small">
<a href="#">This is a small header</a>
</h2>


<script type="text/javascript" charset="utf-8">
$(document).ready(function() {
Cohorts.Options.debug = true;

header_test = new Cohorts.Test({
name: 'storageAdapter_big_vs_small_header',
sample: 1,
cohorts: {
big: {
onChosen: function() {
$('#big').show();
$('#small').hide();
}
},
small: {},
},
// This storage adapter just push events in browser console
// and gives you a warning if Google Analytics is not included
// It is designed for development environments
storageAdapter: {
nameSpace: 'cohorts',
trackEvent: function(category, action, opt_label, opt_value) {
console.log('trackEvent: ' + category + ', ' + action + ', ' + opt_label + ', ' + opt_value);

if(window['_gaq']) {
// this does nothing because this is a test adapter
} else {
console.log("_gaq object not found: It looks like you haven't correctly setup the asynchronous Google Analytics tracking code, and you are using the default GoogleAnalyticsAdapter.");
}
},
onInitialize: function(inTest, testName, cohort, new_to_this_test) {
if(inTest && new_to_this_test) {
this.trackEvent(this.nameSpace, testName, cohort + ' | Total');
}
},
onEvent: function(testName, cohort, eventName) {
this.trackEvent(this.nameSpace, testName, cohort + ' | ' + eventName);
}
}
});

$('#big').click(function() {
header_test.event('Clicked on Big Header');
});

$('#small').click(function() {
header_test.event('Clicked on Small Header');
});
});
</script>
</body>
</html>
4 changes: 2 additions & 2 deletions test/test_storageAdapter.html
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Original file line number Diff line number Diff line change
Expand Up @@ -53,8 +53,8 @@ <h2 id="small">
throw(" _gaq object not found: It looks like you haven't correctly setup the asynchronous Google Analytics tracking code, and you are using the default GoogleAnalyticsAdapter.");
}
},
onInitialize: function(inTest, testName, cohort) {
if(inTest) {
onInitialize: function(inTest, testName, cohort, new_to_this_test) {
if(inTest && new_to_this_test) {
this.trackEvent(this.nameSpace, testName, cohort + ' | Total');
}
},
Expand Down