Want to know how to start write unit test for this function in siverstripe?
function getAvailableScanners($date){
$scanners = self::get("Scanner");
$startDate = date("Y-m-d", strtotime("-".self::$daysNeededAfterLastGig." days", strtotime($date)));
$endDate = date("Y-m-d", strtotime("+".self::$daysNeededBeforeNextGig." days", strtotime($date)));
foreach($scanners as $scanner){
$events = EventProduct::get("EventProduct", "\"ExpiryDate\">='$startDate' AND \"ExpiryDate\"<='$endDate'");
if($events){
foreach($events as $event){
if($scanner->isAssignedToEvent($event)){
$scanners->remove($scanner);
}
}
}
}
return $scanners;
}
The documentation has several good pages on writing tests with SilverStripe
http://doc.silverstripe.org/sapphire/en/topics/testing/
To get started want to make a fixture file with a bunch of those EventProduct products (documentation has an example of this).
Also you can find lots of good testing examples from looking at the built-in tests. I've picked out the BlogHolder tests as this does something very similar to what you're looking for (testing a customer 'getter' with filters)
https://github.com/silverstripe/silverstripe-blog/blob/master/tests/BlogHolderTest.php (and the fixture file is BlogTree.yml in that same folder)
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