Joaquin Lindkvist

domain-model.md

@@ -1 +1,16 @@
-#Domain Models In Here
+#Domain Models In Here
+
+| Classes         | Methods                                     | Scenario                                             | Outputs                                                 |
+|-----------------|---------------------------------------------|------------------------------------------------------|---------------------------------------------------------|
+| `Basket`        | `Add(string name, int price)`               | If item doesn't exist, add to the list of items      | add item to Tuple<string name, int price, int quantity> |
+|                 |                                             | If item does exist, update the quantity of item item | update the quantity of similar item in Tuple            |
+|                 | `Total()`                                   | If basket is empty, return 0                         | 0                                                       |
+|                 |                                             | If basket has items, calculate the cost of all items | int sum                                                 |
+| `CashRegister`  | `TotalCost(Basket basket)`                  | Calculate the summed up cost of all items in basket  | int sum                                                 |
+
+
+| Classes         | Methods                        | Scenario                                                                                                   | Outputs        |
+|-----------------|--------------------------------|------------------------------------------------------------------------------------------------------------|----------------|
+| `Basket`        | `ListItems()`                  | If basket is empty, return empty string                                                                    | string.Empty() |
+| `Basket`        |                                | If basket has items, return string listing every item's name, price, and quantity in a receipt format      | string         |
+| `CashRegister`  | `PrintReceipt(Basket basket)`  | Calls ListItems() and Total() from basket to create a string for the full receipt                          | string         |

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

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace tdd_domain_modelling.CSharp.Main
+{
+    public class Basket
+    {
+        Dictionary<string, int> items = new Dictionary<string, int>();
+
+        public bool Add(string name, int price)
+        {
+            if (items.ContainsKey(name))
+            {
+                return false;
+            }
+            items.Add(name, price);
+            return true;
+        }
+
+        public int Total()
+        {
+            int sum = 0;
+            foreach (var item in items)
+            {
+                sum += item.Value;
+            }
+            return sum;
+        }
+    }
+}

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

@@ -0,0 +1,66 @@
+using NUnit.Framework;
+using System.Diagnostics.CodeAnalysis;
+using tdd_domain_modelling.CSharp.Main;
+
+namespace tdd_domain_modelling.CSharp.Test
+{
+    [TestFixture]
+    public class SupermarketTests
+    {
+        [Test]
+        public void AddCupboardsTests()
+        {
+            //arrange
+            Basket basket = new Basket();
+            string name = "Cupboard";
+            int price = 12;
+            bool expected = true;
+
+            //act
+            bool result = basket.Add(name, price);
+
+            //assert
+            Assert.That(result, Is.EqualTo(expected));
+        }
+
+        [Test]
+        public void AddDuplicateCupboardsTests()
+        {
+            //arrange
+            Basket basket = new Basket();
+            string name = "Cupboard";
+            int price = 12;
+            bool expected = false;
+
+            //act
+            basket.Add(name, price);
+            bool result = basket.Add(name, price);
+
+            //assert
+            Assert.That(result, Is.EqualTo((bool)expected));
+        }
+
+        [Test]
+        public void TotalCostTest()
+        {
+            //arrange
+            Basket basket = new Basket();
+            string name1 = "Coffee Mug";
+            int price1 = 8;
+            string name2 = "Cupboard";
+            int price2 = 12;
+            string name3 = "Cat Food";
+            int price3 = 20;
+            int expected = 40;
+
+            //act
+            basket.Add(name1, price1);
+            basket.Add(name2, price2);
+            basket.Add(name3, price3);
+            int result = basket.Total();
+
+            //assert
+            Assert.That(result, Is.EqualTo(expected));
+        }
+    }
+}