code from amapei

js/test/TestAll.hx

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+package test;
+
+import js.Browser;
+import utest.Runner;
+import utest.ui.Report;
+import test.utils.TestCartUtils;
+
+class TestAll
+{
+  public static function main()
+  {
+    var runner = new Runner();
+
+    // Utils
+    runner.addCase(new TestCartUtils());
+
+    Report.create(runner);
+    runner.run();
+  }
+}

js/test/mocks.json

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+[
+  {
+    "contractTaxName": null,
+    "desc": "Des grattons fait avec du cochon gascon, élevé en plein air et selon les préceptes de l'agriculture biologique. Meilleur que des rillettes!",
+    "vatValue": 0.234597156398104,
+    "price": 4.5,
+    "name": "Gratton de porc noir",
+    "type": 0,
+    "contractTax": null,
+    "contractId": 4672,
+    "orderable": true,
+    "hasFloatQt": false,
+    "id": 56610,
+    "qt": 190,
+    "unitType": 2,
+    "ref": "GRA-1",
+    "vat": 5.5,
+    "categories": null,
+    "stock": null,
+    "organic": false,
+    "image": "/img/taxo/cat10.png"
+  },
+  {
+    "contractTaxName": null,
+    "desc": "Un pâté savoureux qui se mange sans modération! Date de péremption : 1 Avril 2019 Lot : L16AV01P Poids : 200gr Ingrédients : Viande de porc issue de l’agriculture biologique, Sel, Poivre",
+    "vatValue": 0.297156398104265,
+    "price": 5.7,
+    "name": "Pâté de porc noir",
+    "type": 0,
+    "contractTax": null,
+    "contractId": 4672,
+    "orderable": true,
+    "hasFloatQt": false,
+    "id": 56611,
+    "qt": 1,
+    "unitType": 0,
+    "ref": "PAPN-1",
+    "vat": 5.5,
+    "categories": null,
+    "stock": null,
+    "organic": false,
+    "image": "/file/2521_6a77c954191e5a2d8cd5a5d8cade4f6b.PNG"
+  }
+]

js/test/utils/TestCartUtils.hx

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+package test.utils;
+
+import sys.io.File.getContent;
+import haxe.Json.parse;
+import utest.Assert;
+import utils.CartUtils;
+import Common;
+
+class TestCartUtils
+{
+  static var products:Array<ProductInfo>;
+  public function new() {
+    var http = new haxe.Http("localhost/js/test/mocks.json?format=json");
+
+    products = parse(getContent("js/test/mocks.json")); 
+  }
+
+  public function testAddToCart()
+  {    
+    var order = {
+      products: [{
+        product: products[0],
+        quantity: 1
+      }],
+      total: products[0].price
+    };
+
+    var newProduct = products[1];
+
+    order = CartUtils.addToCart(order, newProduct, 1);
+    Assert.equals(order.products.length, 2);
+    Assert.equals(order.total, products[0].price + products[1].price);
+    order = CartUtils.addToCart(order, newProduct, 3);
+    Assert.equals(order.products[1].quantity, 4);
+    Assert.equals(order.total, products[0].price + 4 * products[1].price);
+  }
+
+  public function testRemoveFromCart()
+  {    
+    var order = {
+      products: [{
+        product: products[0],
+        quantity: 5
+      }, {
+        product: products[1],
+        quantity: 3
+      }],
+      total: 5 * products[0].price + 3 * products[1].price
+    };
+
+    order = CartUtils.removeFromCart(order, products[0], 2);
+    Assert.equals(order.products[0].quantity, 3);
+    Assert.equals(order.total, 3 * products[0].price + 3 * products[1].price);
+    order = CartUtils.removeFromCart(order, products[1]);
+    Assert.equals(order.products.length, 1);
+    Assert.equals(order.total, 3 * products[0].price);
+  }
+}