public function testCanMergeIntoTopLevel()
{
// ----------------------------------------------------------------
// setup your test
$obj = new WrappedConfig();
$obj->loadConfigFromFile(__DIR__ . "/wrapped-config-2.json");
$dataToMerge = new stdClass();
$dataToMerge->home = getenv("HOME");
// ----------------------------------------------------------------
// perform the change
$obj->mergeData("", $dataToMerge);
// ----------------------------------------------------------------
// test the results
$config = $obj->getConfig();
// this is the data we have merged
$this->assertEquals(getenv("HOME"), $config->home);
// this is data loaded from the config file
$this->assertTrue(isset($config->storyplayer));
}