mivita/tests/Feature/Payment/ConcurrentPaymentTest.php
2026-02-20 17:55:06 +01:00

335 lines
9.9 KiB
PHP

<?php
namespace Tests\Feature\Payment;
use App\Models\Setting;
use App\Models\ShippingCountry;
use App\Models\ShoppingOrder;
use App\Models\ShoppingUser;
use App\Models\UserShop;
use App\Services\Invoice;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Facades\DB;
use Tests\TestCase;
/**
* Tests for concurrent payment processing and invoice number race conditions
*/
class ConcurrentPaymentTest extends TestCase
{
use DatabaseTransactions;
protected function setUp(): void
{
parent::setUp();
// Initialize invoice number setting if not exists
if (! Setting::where('slug', 'invoice-number')->exists()) {
Setting::create([
'slug' => 'invoice-number',
'type' => 'int',
'int' => 1000,
]);
}
}
/**
* Test that invoice numbers are unique when created concurrently
*
* @test
*/
public function it_generates_unique_invoice_numbers_under_concurrent_load()
{
$initialNumber = Invoice::getInvoiceNumber();
$iterations = 10;
$invoiceNumbers = [];
// Simulate concurrent invoice number generation
for ($i = 0; $i < $iterations; $i++) {
$number = Invoice::makeNextInvoiceNumber();
$invoiceNumbers[] = $number;
}
// Assert all numbers are unique
$this->assertCount($iterations, array_unique($invoiceNumbers), 'Invoice numbers must be unique');
// Assert numbers are sequential
for ($i = 0; $i < $iterations; $i++) {
$this->assertEquals(
$initialNumber + $i + 1,
$invoiceNumbers[$i],
"Invoice number at position {$i} should be sequential"
);
}
// Assert final number is correct
$finalNumber = Invoice::getInvoiceNumber();
$this->assertEquals(
$initialNumber + $iterations,
$finalNumber,
'Final invoice number should match expected value'
);
}
/**
* Test that makeNextInvoiceNumber is atomic and thread-safe
*
* @test
*/
public function it_atomically_increments_invoice_numbers()
{
$initialNumber = Invoice::getInvoiceNumber();
// Run in separate database transactions to simulate concurrency
$results = [];
for ($i = 0; $i < 5; $i++) {
DB::transaction(function () use (&$results) {
$number = Invoice::makeNextInvoiceNumber();
$results[] = $number;
});
}
// All numbers should be unique
$this->assertCount(5, array_unique($results), 'All invoice numbers must be unique');
// Numbers should be in sequence (though order may vary)
sort($results);
for ($i = 0; $i < 5; $i++) {
$this->assertEquals($initialNumber + $i + 1, $results[$i]);
}
}
/**
* Test invoice number rollback on transaction failure
*
* @test
*/
public function it_does_not_skip_invoice_numbers_on_transaction_rollback()
{
$initialNumber = Invoice::getInvoiceNumber();
// Successful increment
$number1 = Invoice::makeNextInvoiceNumber();
$this->assertEquals($initialNumber + 1, $number1);
// Successful increment
$number2 = Invoice::makeNextInvoiceNumber();
$this->assertEquals($initialNumber + 2, $number2);
// Current number should be initial + 2
$currentNumber = Invoice::getInvoiceNumber();
$this->assertEquals($initialNumber + 2, $currentNumber);
}
/**
* Test that invoice numbers have proper locking mechanism
*
* @test
*/
public function it_uses_database_locking_for_invoice_numbers()
{
$this->expectNotToPerformAssertions();
// This test verifies that lockForUpdate is used by checking for no exceptions
try {
DB::transaction(function () {
$setting = Setting::where('slug', 'invoice-number')
->lockForUpdate()
->first();
$this->assertNotNull($setting);
// Simulate processing time
usleep(100);
$setting->int = $setting->int + 1;
$setting->save();
});
} catch (\Exception $e) {
$this->fail('Database locking should not throw exceptions: '.$e->getMessage());
}
}
/**
* Test concurrent shopping order payment processing
*
* @test
*/
public function it_prevents_double_processing_of_same_payment()
{
// Create test data
$country = ShippingCountry::first();
$userShop = UserShop::first() ?? UserShop::create([
'name' => 'Test Shop',
'slug' => 'test-shop',
'domain' => 'test.local',
]);
$shoppingUser = ShoppingUser::create([
'billing_firstname' => 'Test',
'billing_lastname' => 'User',
'billing_email' => 'test@example.com',
'billing_country_id' => $country->id,
'shipping_country_id' => $country->id,
]);
$shoppingOrder = ShoppingOrder::create([
'shopping_user_id' => $shoppingUser->id,
'country_id' => $country->id,
'user_shop_id' => $userShop->id,
'total' => 100.00,
'paid' => false,
'txaction' => null,
'mode' => 'test',
]);
// Lock the order (simulating concurrent access)
DB::transaction(function () use ($shoppingOrder) {
$lockedOrder = ShoppingOrder::where('id', $shoppingOrder->id)
->lockForUpdate()
->first();
$this->assertNotNull($lockedOrder);
$this->assertFalse((bool) $lockedOrder->paid);
// Mark as paid
$lockedOrder->paid = true;
$lockedOrder->txaction = 'paid';
$lockedOrder->save();
});
// Verify payment was processed
$shoppingOrder->refresh();
$this->assertTrue((bool) $shoppingOrder->paid);
$this->assertEquals('paid', $shoppingOrder->txaction);
// Try to process again (should be prevented by double-check)
DB::transaction(function () use ($shoppingOrder) {
$lockedOrder = ShoppingOrder::where('id', $shoppingOrder->id)
->lockForUpdate()
->first();
// Should already be paid
$this->assertTrue((bool) $lockedOrder->paid);
});
}
/**
* Test that Setting model lockForUpdate works correctly
*
* @test
*/
public function it_can_lock_settings_for_update()
{
DB::transaction(function () {
$setting = Setting::where('slug', 'invoice-number')
->lockForUpdate()
->first();
$this->assertNotNull($setting);
$this->assertEquals('invoice-number', $setting->slug);
$this->assertEquals('int', $setting->type);
$this->assertIsInt($setting->int);
});
}
/**
* Test invoice number creation with date prefix
*
* @test
*/
public function it_creates_invoice_numbers_with_correct_format()
{
$number = 123;
$date = '01.01.2024';
$invoiceNumber = Invoice::createInvoiceNumber($number, $date);
$this->assertEquals('202400123', $invoiceNumber);
$this->assertStringStartsWith('2024', $invoiceNumber);
}
/**
* Test multiple sequential invoice creations
*
* @test
*/
public function it_handles_rapid_sequential_invoice_creation()
{
$initialNumber = Invoice::getInvoiceNumber();
$count = 20;
$numbers = [];
// Rapidly create invoice numbers
for ($i = 0; $i < $count; $i++) {
$numbers[] = Invoice::makeNextInvoiceNumber();
}
// Verify all unique
$unique = array_unique($numbers);
$this->assertCount($count, $unique, 'All invoice numbers must be unique');
// Verify no gaps in sequence
sort($numbers);
for ($i = 0; $i < $count; $i++) {
$expected = $initialNumber + $i + 1;
$actual = $numbers[$i];
$this->assertEquals(
$expected,
$actual,
"Invoice number {$i} should be {$expected} but got {$actual}"
);
}
}
/**
* Test that invoice number initialization works
*
* @test
*/
public function it_initializes_invoice_number_if_not_exists()
{
// Delete the setting
Setting::where('slug', 'invoice-number')->delete();
// Should create and return 1
$number = Invoice::makeNextInvoiceNumber();
$this->assertEquals(1, $number);
// Verify setting was created
$setting = Setting::where('slug', 'invoice-number')->first();
$this->assertNotNull($setting);
$this->assertEquals(1, $setting->int);
}
/**
* Test concurrent transaction commits
*
* @test
*/
public function it_handles_concurrent_transaction_commits()
{
$initialNumber = Invoice::getInvoiceNumber();
$results = [];
// Simulate 3 concurrent transactions
for ($i = 0; $i < 3; $i++) {
try {
DB::beginTransaction();
$number = Invoice::makeNextInvoiceNumber();
$results[] = $number;
DB::commit();
} catch (\Exception $e) {
DB::rollBack();
$this->fail('Transaction should not fail: '.$e->getMessage());
}
}
// All should be unique and sequential
$this->assertCount(3, array_unique($results));
sort($results);
$this->assertEquals([$initialNumber + 1, $initialNumber + 2, $initialNumber + 3], $results);
}
}