public function onAccountOpened(AccountOpenedEnvelope $event)
{
if (array_key_exists((string) $event->getAccountNumber(), $this->accounts)) {
throw new \InvalidArgumentException('Duplicate AccountOpened event for ' . $event->getAccountNumber());
}
$this->accounts[(string) $event->getAccountNumber()] = new AccountBalance($event->getAccountNumber());
}
function it_emits_account_opened_event(EventDispatcherInterface $dispatcher)
{
$dispatcher->dispatch(AccountOpenedEnvelope::getEventName(), Argument::type(AccountOpenedEnvelope::class))->shouldBeCalled();
$events = new EventCollection([new AccountOpenedEvent(AccountNumber::fromString('123ABC'))]);
$this->beConstructedWith($dispatcher);
$this->emit($events);
}
function it_appends_deposit_entry_when_money_were_withdrawn()
{
$accountNumber = AccountNumber::fromString('123ABC');
$openAccount = new AccountOpenedEvent($accountNumber);
$this->onAccountOpened(AccountOpenedEnvelope::wrap($openAccount));
$withdraw = new MoneyWereWithdrawnEvent($accountNumber, new Withdraw(Transaction::generate(), 100));
$this->onMoneyWereWithdrawn(MoneyWereWithdrawnEnvelope::wrap($withdraw));
$this->getAccount('123ABC')->getHistory()[1]->getAmount()->shouldReturn(100);
}
function it_decreases_balance_when_money_were_withdrawn()
{
$accountNumber = AccountNumber::fromString('123ABC');
$openAccount = new AccountOpenedEvent($accountNumber);
$event = AccountOpenedEnvelope::wrap($openAccount);
$this->onAccountOpened($event);
$withdraw = new MoneyWereWithdrawnEvent($accountNumber, new Withdraw(Transaction::generate(), 100));
$event = MoneyWereWithdrawnEnvelope::wrap($withdraw);
$this->onMoneyWereWithdrawn($event);
$this->getAccount('123ABC')->getBalance()->shouldReturn(-100);
}
