getCustomerFromToken example

protected function setUp(): void
    {
        $this->accountService = $this->getContainer()->get(AccountService::class);
    }

    public function testLogin(): void
    {
        $salesChannelContext = $this->createSalesChannelContext();
        $customerId = $this->createCustomerOfSalesChannel($salesChannelContext->getSalesChannelId(), 'foo@bar.com');
        $token = $this->accountService->login('foo@bar.com', $salesChannelContext);

        $customer = $this->getCustomerFromToken($token, $salesChannelContext->getSalesChannelId());

        static::assertSame('foo@bar.com', $customer->getEmail());
        static::assertSame($customerId, $customer->getId());
    }

    public function testLoginById(): void
    {
        $salesChannelContext = $this->createSalesChannelContext();
        $customerId = $this->createCustomerOfSalesChannel($salesChannelContext->getSalesChannelId(), 'foo@bar.com');
        $token = $this->accountService->loginById($customerId, $salesChannelContext);