public function test_can_be_constructed_with_initial_state_and_change_listener()
{
$value = null;
$stateMachine = new StateMachine('a', function ($state) use(&$value) {
$value = $state;
});
$stateMachine->configure('a')->permit('to-b', 'b')->permit('to-a', 'a');
$stateMachine->configure('b')->permit('to-a', 'a');
$this->assertEquals('a', $value);
$stateMachine->fire('to-b');
$this->assertEquals('b', $value);
$stateMachine->fire('to-a');
$this->assertEquals('a', $value);
$stateMachine->fire('to-a');
$this->assertEquals('a', $value);
}
/**
* @param string $event
* @param string $expectedState
*/
private function fireAndAssertState($event, $expectedState)
{
$this->stateMachine->fire($event);
$this->assertEquals($expectedState, $this->stateMachine->getCurrentState());
}
