/**
* @return StateMachineInterface
*/
public function build()
{
$stateMachineBuilder = new StateMachineBuilder('registration');
$stateMachineBuilder->addState('input');
$stateMachineBuilder->addState('confirmation');
$stateMachineBuilder->addState('success');
$stateMachineBuilder->setStartState('input');
$stateMachineBuilder->addTransition('input', 'confirmation', 'confirmation');
$stateMachineBuilder->addTransition('confirmation', 'success', 'success');
$stateMachineBuilder->addTransition('confirmation', 'input', 'input');
$stateMachineBuilder->setEndState('success', StateInterface::STATE_FINAL);
return $stateMachineBuilder->getStateMachine();
}
/**
* @test
*/
public function raisesAnExceptionIfTheGuardIsNotCallableWhenAddingATransition()
{
$stateMachineBuilder = new StateMachineBuilder();
$stateMachineBuilder->addState('foo');
$stateMachineBuilder->addState('baz');
try {
$stateMachineBuilder->addTransition('foo', 'bar', 'baz', null, array($this, 'nonExistingMethod'));
} catch (ActionNotCallableException $e) {
$this->assertThat($e->getMessage(), $this->stringStartsWith('The guard'));
return;
}
$this->fail('An expected exception has not been raised.');
}
/**
* @test
*/
public function dispatchesSystemEventsToListenersIfTheEventDispatcherHasBeenSet()
{
$events = array();
$eventDispatcher = new EventDispatcher();
$eventDispatcher->addListener(StateMachineEvents::EVENT_PROCESS, function (StateMachineEvent $event, $eventName, EventDispatcherInterface $eventDispatcher) use(&$events) {
$events[] = array('name' => $eventName, 'event' => $event);
});
$eventDispatcher->addListener(StateMachineEvents::EVENT_EXIT, function (StateMachineEvent $event, $eventName, EventDispatcherInterface $eventDispatcher) use(&$events) {
$events[] = array('name' => $eventName, 'event' => $event);
});
$eventDispatcher->addListener(StateMachineEvents::EVENT_TRANSITION, function (StateMachineEvent $event, $eventName, EventDispatcherInterface $eventDispatcher) use(&$events) {
$events[] = array('name' => $eventName, 'event' => $event);
});
$eventDispatcher->addListener(StateMachineEvents::EVENT_ENTRY, function (StateMachineEvent $event, $eventName, EventDispatcherInterface $eventDispatcher) use(&$events) {
$events[] = array('name' => $eventName, 'event' => $event);
});
$eventDispatcher->addListener(StateMachineEvents::EVENT_DO, function (StateMachineEvent $event, $eventName, EventDispatcherInterface $eventDispatcher) use(&$events) {
$events[] = array('name' => $eventName, 'event' => $event);
});
$stateMachineBuilder = new StateMachineBuilder();
$stateMachineBuilder->addState('locked');
$stateMachineBuilder->addState('unlocked');
$stateMachineBuilder->setStartState('locked');
$stateMachineBuilder->addTransition('locked', 'insertCoin', 'unlocked');
$stateMachineBuilder->addTransition('unlocked', 'pass', 'locked');
$stateMachine = $stateMachineBuilder->getStateMachine();
$stateMachine->setEventDispatcher($eventDispatcher);
$stateMachine->start();
$stateMachine->triggerEvent('insertCoin');
$this->assertThat(count($events), $this->equalTo(10));
$this->assertThat($events[0]['name'], $this->equalTo(StateMachineEvents::EVENT_PROCESS));
$this->assertThat($events[0]['event']->getStateMachine(), $this->identicalTo($stateMachine));
$this->assertThat($events[0]['event']->getState()->getStateId(), $this->equalTo(StateInterface::STATE_INITIAL));
$this->assertThat($events[0]['event']->getEvent(), $this->isInstanceOf('Stagehand\\FSM\\Event\\TransitionEventInterface'));
$this->assertThat($events[0]['event']->getEvent()->getEventId(), $this->equalTo(EventInterface::EVENT_START));
$this->assertThat($events[1]['name'], $this->equalTo(StateMachineEvents::EVENT_EXIT));
$this->assertThat($events[1]['event']->getStateMachine(), $this->identicalTo($stateMachine));
$this->assertThat($events[1]['event']->getState()->getStateId(), $this->equalTo(StateInterface::STATE_INITIAL));
$this->assertThat($events[1]['event']->getEvent(), $this->isNull());
$this->assertThat($events[2]['name'], $this->equalTo(StateMachineEvents::EVENT_TRANSITION));
$this->assertThat($events[2]['event']->getStateMachine(), $this->identicalTo($stateMachine));
$this->assertThat($events[2]['event']->getState()->getStateId(), $this->equalTo(StateInterface::STATE_INITIAL));
$this->assertThat($events[2]['event']->getEvent(), $this->isInstanceOf('Stagehand\\FSM\\Event\\TransitionEventInterface'));
$this->assertThat($events[2]['event']->getEvent()->getEventId(), $this->equalTo(EventInterface::EVENT_START));
$this->assertThat($events[3]['name'], $this->equalTo(StateMachineEvents::EVENT_ENTRY));
$this->assertThat($events[3]['event']->getStateMachine(), $this->identicalTo($stateMachine));
$this->assertThat($events[3]['event']->getState()->getStateId(), $this->equalTo('locked'));
$this->assertThat($events[3]['event']->getEvent(), $this->isInstanceOf('Stagehand\\FSM\\Event\\EventInterface'));
$this->assertThat($events[3]['event']->getEvent()->getEventId(), $this->equalTo(EventInterface::EVENT_ENTRY));
$this->assertThat($events[4]['name'], $this->equalTo(StateMachineEvents::EVENT_DO));
$this->assertThat($events[4]['event']->getStateMachine(), $this->identicalTo($stateMachine));
$this->assertThat($events[4]['event']->getState()->getStateId(), $this->equalTo('locked'));
$this->assertThat($events[4]['event']->getEvent(), $this->isInstanceOf('Stagehand\\FSM\\Event\\EventInterface'));
$this->assertThat($events[4]['event']->getEvent()->getEventId(), $this->equalTo(EventInterface::EVENT_DO));
$this->assertThat($events[5]['name'], $this->equalTo(StateMachineEvents::EVENT_PROCESS));
$this->assertThat($events[5]['event']->getStateMachine(), $this->identicalTo($stateMachine));
$this->assertThat($events[5]['event']->getState()->getStateId(), $this->equalTo('locked'));
$this->assertThat($events[5]['event']->getEvent(), $this->isInstanceOf('Stagehand\\FSM\\Event\\TransitionEventInterface'));
$this->assertThat($events[5]['event']->getEvent()->getEventId(), $this->equalTo('insertCoin'));
$this->assertThat($events[6]['name'], $this->equalTo(StateMachineEvents::EVENT_EXIT));
$this->assertThat($events[6]['event']->getStateMachine(), $this->identicalTo($stateMachine));
$this->assertThat($events[6]['event']->getState()->getStateId(), $this->equalTo('locked'));
$this->assertThat($events[6]['event']->getEvent(), $this->isInstanceOf('Stagehand\\FSM\\Event\\EventInterface'));
$this->assertThat($events[6]['event']->getEvent()->getEventId(), $this->equalTo(EventInterface::EVENT_EXIT));
$this->assertThat($events[7]['name'], $this->equalTo(StateMachineEvents::EVENT_TRANSITION));
$this->assertThat($events[7]['event']->getStateMachine(), $this->identicalTo($stateMachine));
$this->assertThat($events[7]['event']->getState()->getStateId(), $this->equalTo('locked'));
$this->assertThat($events[7]['event']->getEvent(), $this->isInstanceOf('Stagehand\\FSM\\Event\\TransitionEventInterface'));
$this->assertThat($events[7]['event']->getEvent()->getEventId(), $this->equalTo('insertCoin'));
$this->assertThat($events[8]['name'], $this->equalTo(StateMachineEvents::EVENT_ENTRY));
$this->assertThat($events[8]['event']->getStateMachine(), $this->identicalTo($stateMachine));
$this->assertThat($events[8]['event']->getState()->getStateId(), $this->equalTo('unlocked'));
$this->assertThat($events[8]['event']->getEvent(), $this->isInstanceOf('Stagehand\\FSM\\Event\\EventInterface'));
$this->assertThat($events[8]['event']->getEvent()->getEventId(), $this->equalTo(EventInterface::EVENT_ENTRY));
$this->assertThat($events[9]['name'], $this->equalTo(StateMachineEvents::EVENT_DO));
$this->assertThat($events[9]['event']->getStateMachine(), $this->identicalTo($stateMachine));
$this->assertThat($events[9]['event']->getState()->getStateId(), $this->equalTo('unlocked'));
$this->assertThat($events[9]['event']->getEvent(), $this->isInstanceOf('Stagehand\\FSM\\Event\\EventInterface'));
$this->assertThat($events[9]['event']->getEvent()->getEventId(), $this->equalTo(EventInterface::EVENT_DO));
}
