feat: database support

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');
+    });
+});