public function testPath()
{
$fn1 = function () {
return "actual";
};
$fn2 = function () {
return "setup";
};
$injectionParams = new InjectionParams();
$exec = new Executable($fn1, $injectionParams, $fn2);
$exec->getInjectionParams();
$callable = $exec->getCallable();
$setupCallable = $exec->getSetupCallable();
$this->assertEquals("setup", $setupCallable());
$this->assertEquals("actual", $callable());
}
/**
* @param $result
* @return TierException
*/
public static function getWrongTypeException($result, Executable $executable)
{
$messageStart = self::RETURN_VALUE;
$messageStart .= " Instead %s returned, when calling executable %s";
if ($result === null) {
$detail = 'null';
} else {
if (is_object($result) === true) {
$detail = "object of type '" . get_class($result) . "'";
} else {
$detail = "variable of type '" . gettype($result) . "'";
}
}
$callableInfo = var_export($executable->getCallable(), true);
$message = sprintf($messageStart, $detail, $callableInfo);
return new InvalidReturnException($message, $result);
}
/**
* @param Executable $tier
* @param Injector $injector
* @return mixed
*/
public static function executeExecutable(Executable $tier, Injector $injector)
{
// Setup the information created by the previous Tier.
if (($injectionParams = $tier->getInjectionParams()) !== null) {
$injectionParams->addToInjector($injector);
}
// If the next Tier has a setup function, call it.
$setupCallable = $tier->getSetupCallable();
if ($setupCallable !== null) {
$injector->execute($setupCallable);
}
// Call this Tier's callable.
return $injector->execute($tier->getCallable());
}
