The test checks the basic opt:show features.

>>>>templates/test.tpl
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<opt:root>
<opt:show name="sect">
Foo:
<opt:section>
{$sect.val1},{$sect.val2}
</opt:section>
Eof
<opt:showelse>
NO DATA
</opt:showelse>
</opt:show>
</opt:root>

>>>>expected.txt
OUTPUT

>>>>result.txt
NO DATA

>>>>data.php
$view->sect = array();