Implementation of code and tests complete

domain-model.md

@@ -1 +1,12 @@
-#Domain Models In Here
+#Domain Models In Here
+
+First Domain Model
+| Classes         | Methods                                      | Scenario             | Outputs           |
+|-----------------|----------------------------------------------|----------------------|-------------------|
+| `Cashier`		  | `scanItems(Dictionary<string, int> basket)`  | if List is populated | Sum of item.Value |
+
+Second Domain Model
+| Classes         | Methods                                         | Scenario               | Outputs                                     |
+|-----------------|-------------------------------------------------|------------------------|---------------------------------------------|
+| `Cashier`		  | `printReciept(Dictionary<string, int> basket)`  | if List is populated   | Returns tupleList with name, cost, quantity |
+| `Cashier`		  | `totalCost(IList<Tuple<T1, T2, T3>> list)`      | if List is populated   | Sum of item.Value                           |

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

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace tdd_domain_modelling.CSharp.Main
+{
+    public class Basket
+    {
+        public Dictionary<string, int> wares = new Dictionary<string, int> {
+            { "apple", 5 },
+            { "milk", 10 },
+            { "egg", 2 },
+            { "steak", 20 },
+        };
+        private Dictionary<string, int> basket = new Dictionary<string, int>();
+
+        public bool add(string name)
+        {
+            if (wares.ContainsKey(name) && !basket.ContainsKey(name)) { 
+                basket.Add(name, wares.GetValueOrDefault(name));
+                return true;
+            }
+            return false;
+
+        }
+
+        public int total()
+        {
+            int sum = 0;
+            foreach (var item in basket)
+            {
+                sum += item.Value;
+            }
+            return sum;
+        }
+    }
+}

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

@@ -0,0 +1,50 @@
+using NUnit.Framework;
+using tdd_domain_modelling.CSharp.Main;
+
+namespace tdd_domain_modelling.CSharp.Test
+{
+    [TestFixture]
+    public class BasketTest
+    {
+        [Test]
+        public void AddOneItemTest()
+        {
+            Basket basket = new Basket();
+            bool added = basket.add("apple");
+
+            Assert.IsTrue(added);
+        }
+
+        [Test]
+        public void AddTwoItemTest()
+        {
+            Basket basket = new Basket();
+            bool added = basket.add("apple");
+            added = basket.add("milk");
+
+            Assert.IsTrue(added);
+        }
+
+        [Test]
+        public void AddDuplicateItemTest()
+        {
+            Basket basket = new Basket();
+            bool added = basket.add("apple");
+            added = basket.add("apple");
+
+            Assert.IsTrue(!added);
+        }
+
+        [Test]
+        public void CheckTotalCostTest()
+        {
+            Basket basket = new Basket();
+            bool added = basket.add("apple");
+            added = basket.add("milk");
+            added = basket.add("steak");
+
+            Assert.IsTrue(added);
+            Assert.That(basket.total() == 35);
+        }
+    }
+}