/** @test */
function it_has_multiple_invoices()
{
$customer = new Customer(['name' => 'Test Customer']);
$customer->save();
$invoice_1 = new Invoice(['title' => 'Invoice #1']);
$invoice_2 = new Invoice(['title' => 'Invoice #2']);
$invoice_3 = new Invoice(['title' => 'Invoice #3']);
$customer->addInvoice($invoice_1);
$customer->addInvoice($invoice_2);
$customer->addInvoice($invoice_3);
$this->assertCount(3, $customer->invoices);
}
/** @test */
function it_has_a_customer()
{
$customer = new Customer(['name' => 'Test Customer']);
$customer->save();
$invoice = new Invoice(['title' => 'Test Invoice']);
$customer->addInvoice($invoice);
$this->assertEquals($customer->id, $invoice->customer_id);
}
