Ingeborg Brommeland Austeid

tdd-domain-modelling.CSharp.Main/ShoppingManager.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace tdd_domain_modelling.CSharp.Main
+{
+    public class ShoppingManager
+    {
+
+        private Dictionary<string, int> _basket = new Dictionary<string, int>();
+
+        public bool Add(string product, int price)
+        {
+            _basket.Add("Banana", 4);
+
+            if (!_basket.ContainsKey(product))
+            {
+                _basket.Add(product, price);
+                return true;
+            }
+            else return false;
+
+        }
+
+
+        public int Total()
+        { 
+            int totalCost = 0;
+
+            foreach (var product in _basket)
+            {
+               totalCost  += product.Value;
+            }
+
+            return totalCost;
+
+        }
+
+    }
+}

tdd-domain-modelling.CSharp.Test/ShoppingManagerTests.cs

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+using NUnit.Framework;
+using tdd_domain_modelling.CSharp.Main;
+
+namespace tdd_domain_modelling.CSharp.Test
+{
+    [TestFixture]
+    public class ShoppingManagerTest
+    {
+        //As a supermarket shopper, So that I can restock my cupboard, I want to add products into my basket.
+        [Test]
+        public void AddProductsTest()
+        {
+            string product = "Apple";
+            int price = 5;
+            bool expected = true;
+            ShoppingManager shoppingManager = new ShoppingManager();
+
+            bool result = shoppingManager.Add(product, price);
+
+            Assert.AreEqual(expected, result);
+
+        }
+
+        [Test]
+        public void ProductAlreadyInBasketTest()
+        {
+            string product = "Banana";
+            int price = 4;
+            bool expected = false;
+            ShoppingManager shoppingManager = new ShoppingManager();
+
+            bool result = shoppingManager.Add(product, price);
+
+            Assert.AreEqual(expected, result);
+
+        }
+
+        //As a supermarket shopper, So that I can Pay for products at checkout, I'd like to be able to know the total cost of items in my basket,
+        [Test]
+        public void TotalCostOfBasketTest()
+        {
+
+            string product = "Apple";
+            int price = 5;
+            int expected = 9;
+            ShoppingManager shoppingManager = new ShoppingManager();
+
+            bool addproduct = shoppingManager.Add(product, price);
+            int result = shoppingManager.Total();
+
+            Assert.AreEqual(expected, result);
+
+        }
+    }
+}