Add PaymentRailTest

tests/Models/TestPayment.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Payavel\Checkout\Tests\Models;
+
+use Payavel\Checkout\Models\Payment;
+
+class TestPayment extends Payment
+{
+    /**
+     * The table associated with the model.
+     *
+     * @var string
+     */
+    protected $table = 'payments';
+
+    /**
+     * Check if model is overridden for testing purposes.
+     *
+     * @var bool
+     */
+    public bool $overridden = true;
+}

tests/Models/TestPaymentType.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Payavel\Checkout\Tests\Models;
+
+use Payavel\Checkout\Models\PaymentType;
+
+class TestPaymentType extends PaymentType
+{
+    /**
+     * The table associated with the model.
+     *
+     * @var string
+     */
+    protected $table = 'payment_types';
+
+    /**
+     * Check if model is overridden for testing purposes.
+     *
+     * @var bool
+     */
+    public bool $overridden = true;
+}

tests/Unit/Models/PaymentRailTest.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace Payavel\Checkout\Tests\Unit\Models;
+
+use Payavel\Checkout\Models\Payment;
+use Payavel\Checkout\Models\PaymentRail;
+use Payavel\Checkout\Models\PaymentType;
+use Payavel\Checkout\Tests\Models\TestPayment;
+use Payavel\Checkout\Tests\Models\TestPaymentType;
+use Payavel\Checkout\Tests\TestCase;
+use Payavel\Orchestration\Support\ServiceConfig;
+use PHPUnit\Framework\Attributes\Test;
+
+class PaymentRailTest extends TestCase
+{
+    #[Test]
+    public function payment_rail_generates_id_before_committing()
+    {
+        $parentPaymentType = PaymentType::factory()->create();
+        $paymentType = PaymentType::factory()->create();
+
+        $paymentRail = PaymentRail::create([
+            'parent_type_id' => $parentPaymentType->id,
+            'type_id' => $paymentType->id,
+        ]);
+
+        $this->assertEquals("{$parentPaymentType->id}:{$paymentType->id}", $paymentRail->id);
+    }
+
+    #[Test]
+    public function retrieve_payment_rail_parent_type()
+    {
+        $paymentRail = PaymentRail::factory()->create();
+        $this->assertInstanceOf(PaymentType::class, $paymentRail->parentType);
+
+        ServiceConfig::set('checkout', 'models.' . PaymentType::class, TestPaymentType::class);
+        $paymentRailWithOverriddenParentType = PaymentRail::factory()->create();
+        $this->assertInstanceOf(TestPaymentType::class, $paymentRailWithOverriddenParentType->parentType);
+    }
+
+    #[Test]
+    public function retrieve_payment_rail_type()
+    {
+        $paymentRail = PaymentRail::factory()->create();
+        $this->assertInstanceOf(PaymentType::class, $paymentRail->type);
+
+        ServiceConfig::set('checkout', 'models.' . PaymentType::class, TestPaymentType::class);
+        $paymentRailWithOverriddenType = PaymentRail::factory()->create();
+        $this->assertInstanceOf(TestPaymentType::class, $paymentRailWithOverriddenType->type);
+    }
+
+    #[Test]
+    public function retrieve_payment_rail_payments()
+    {
+        $paymentRail = PaymentRail::factory()->create();
+        $this->assertEmpty($paymentRail->payments);
+
+        $paymentRailWith2Payments = PaymentRail::factory()->hasPayments(2)->create();
+        $this->assertCount(2, $paymentRailWith2Payments->payments);
+        $this->assertContainsOnlyInstancesOf(Payment::class, $paymentRailWith2Payments->payments);
+
+        ServiceConfig::set('checkout', 'models.' . Payment::class, TestPayment::class);
+        $paymentRailWith3OverriddenPayments = PaymentRail::factory()->hasPayments(3)->create();
+        $this->assertCount(3, $paymentRailWith3OverriddenPayments->payments);
+        $this->assertContainsOnlyInstancesOf(TestPayment::class, $paymentRailWith3OverriddenPayments->payments);
+    }
+}