feat: database support

tests/Helpers/ConfigDatabaseMock.php

@@ -0,0 +1,17 @@
+<?php
+
+return [
+    'format_numbers' => true,
+    'decimals' => 2,
+    'round_mode' => 'up',
+    'driver' => 'database',
+    'storage' => [
+        'session',
+        'database' => [
+            'model' => \Joelwmale\Cart\Tests\Helpers\MockCartModel::class,
+            'id' => 'session_id',
+            'items' => 'items',
+            'conditions' => 'conditions',
+        ],
+    ],
+];

tests/Helpers/MockCartModel.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Joelwmale\Cart\Tests\Helpers;
+
+use Illuminate\Database\Eloquent\Model;
+
+class MockCartModel extends Model
+{
+    protected $fillable = [
+        'session_id',
+        'items',
+        'conditions',
+    ];
+
+    public $timestamps = false;
+
+    protected $casts = [
+        'items' => 'array',
+        'conditions' => 'array',
+    ];
+
+    protected $table = 'carts';
+}

tests/Pest.php

@@ -1,29 +1,5 @@
 <?php
 
-/*
-|--------------------------------------------------------------------------
-| Test Case
-|--------------------------------------------------------------------------
-|
-| The closure you provide to your test functions is always bound to a specific PHPUnit test
-| case class. By default, that class is "PHPUnit\Framework\TestCase". Of course, you may
-| need to change it using the "pest()" function to bind a different classes or traits.
-|
-*/
+use Tests\TestCase;
 
-// pest()->extend(Tests\TestCase::class)->in('Feature');
-
-/*
-|--------------------------------------------------------------------------
-| Expectations
-|--------------------------------------------------------------------------
-|
-| When you're writing tests, you often need to check that values meet certain conditions. The
-| "expect()" function gives you access to a set of "expectations" methods that you can use
-| to assert different things. Of course, you may extend the Expectation API at any time.
-|
-*/
-
-expect()->extend('toBeOne', function () {
-    return $this->toBe(1);
-});
+uses(TestCase::class)->in(__DIR__);

tests/TestCase.php

@@ -1,10 +1,52 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Tests;
 
+use Illuminate\Events\Dispatcher;
+use Illuminate\Container\Container;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Capsule\Manager as DB;
 use PHPUnit\Framework\TestCase as BaseTestCase;
 
-abstract class TestCase extends BaseTestCase
+class TestCase extends BaseTestCase
 {
-    //
+    protected DB $db;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        // Create a Laravel container
+        $container = Container::getInstance();
+        $dispatcher = new Dispatcher;
+
+        // Setup Capsule (Eloquent ORM)
+        $this->db = new DB($container);
+        $this->db->addConnection([
+            'driver' => 'sqlite',
+            'database' => ':memory:',
+            'prefix' => '',
+        ]);
+        $this->db->setAsGlobal();
+        $this->db->bootEloquent();
+        $this->db->getConnection()->setEventDispatcher($dispatcher);
+
+        // Run migrations (optional, for testing models)
+        $this->migrateDatabase();
+    }
+
+    protected function migrateDatabase()
+    {
+        $schema = $this->db->schema();
+
+        $schema->create('carts', function (Blueprint $table) {
+            $table->id();
+            $table->string('session_id');
+            $table->text('items');
+            $table->text('conditions');
+            $table->timestamps();
+        });
+    }
 }

tests/Unit/DatabaseCartTest.php

@@ -0,0 +1,55 @@
+<?php
+
+use Joelwmale\Cart\Cart;
+use Joelwmale\Cart\Tests\Helpers\MockCartModel;
+
+beforeEach(function () {
+    $events = Mockery::mock('Illuminate\Contracts\Events\Dispatcher');
+    $events->shouldReceive('dispatch');
+
+    $storage = new MockCartModel;
+
+    $this->cart = new Cart(
+        $storage,
+        $events,
+        'cart',
+        'SAMPLESESSIONKEY',
+        require (__DIR__ . '/../Helpers/ConfigDatabaseMock.php')
+    );
+});
+
+afterEach(function () {
+    Mockery::close();
+});
+
+describe('database cart', function () {
+    test('can add an item', function () {
+        $this->cart->add(1, 'Sample Item', 100.99, 2, []);
+
+        expect($this->cart->isEmpty())->toBeFalse('Cart should not be empty');
+        expect($this->cart->getContent()->count())->toEqual(1, 'Cart content should be 1');
+        expect($this->cart->getContent()->first()['id'])->toEqual(1, 'Item added has ID of 1 so first content ID should be 1');
+        expect($this->cart->getContent()->first()['price'])->toEqual(100.99, 'Item added has price of 100.99 so first content price should be 100.99');
+
+        expect(MockCartModel::all()->count())->toEqual(1, 'The carts database table should have 1 row');
+    });
+
+    test('can add and remove an item', function () {
+        $this->cart->add(1, 'Sample Item', 100.99, 2, []);
+
+        expect($this->cart->isEmpty())->toBeFalse('Cart should not be empty');
+        expect($this->cart->getContent()->count())->toEqual(1, 'Cart content should be 1');
+        expect($this->cart->getContent()->first()['id'])->toEqual(1, 'Item added has ID of 1 so first content ID should be 1');
+        expect($this->cart->getContent()->first()['price'])->toEqual(100.99, 'Item added has price of 100.99 so first content price should be 100.99');
+
+        expect(MockCartModel::all()->count())->toEqual(1, 'The carts database table should have 1 row');
+
+        $this->cart->remove(1);
+
+        $cartModel = MockCartModel::first();
+
+        expect($this->cart->isEmpty())->toBeTrue('Cart should be empty');
+        expect($this->cart->getContent()->count())->toEqual(0, 'Cart content should be 0');
+        expect($cartModel->items)->toEqual([], 'The carts database table should have 0 row');
+    });
+});