public function its_listener_can_accept_a_callable_as_a_matcher(BotInterface $bot, CommandInterface $command, Packet $packet)
{
$packet->offsetGet('command')->willReturn($command);
$packet->offsetSet('output', null)->shouldBeCalled();
$packet->stopPropagation()->shouldBeCalled();
$bot->execute($command)->shouldBeCalled();
$listener = $this->getListener($bot, function ($command) {
return true;
});
$listener($packet);
}
/**
* @param BotInterface $bot
* @param MatcherInterface|callable $matcher If callable, it should accept a CommandInterface and return a boolean.
*
* @throws \Crummy\Phlack\Common\Exception\InvalidArgumentException When given an invalid matcher.
*
* @return \Closure An anonymous function to be attached to the internal cpu.
*/
public function getListener(BotInterface $bot, $matcher)
{
if (!$matcher instanceof MatcherInterface && !is_callable($matcher)) {
throw new InvalidArgumentException(sprintf('The matcher must be callable, or an instance of MatcherInterface. "%s" given.', is_object($matcher) ? get_class($matcher) : gettype($matcher)));
}
return function (Packet $packet) use($bot, $matcher) {
if ($matcher instanceof MatcherInterface) {
$isMatch = $matcher->matches($packet['command']);
} else {
$isMatch = call_user_func($matcher, $packet['command']);
}
if ($isMatch) {
$packet->stopPropagation();
$packet['output'] = $bot->execute($packet['command']);
}
};
}
