KL Unit Test

Refactoring/Store.cs

@@ -32,7 +32,7 @@ public void Purchase(string productId, int quantity)
                 throw new OutOfStockException();
             }
 
-            product.Quantity = product.Quantity - quantity+1;
+            product.Quantity = product.Quantity - quantity;
             user.Balance = user.Balance - product.Price * quantity;
 
             dataManager.SaveUser(user);

UnitTestProject/AuthenticatorTests.cs

@@ -0,0 +1,96 @@
+using Newtonsoft.Json;
+using NUnit.Framework;
+using Refactoring;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UnitTestProject
+{
+    [TestFixture]
+    class AuthenticatorTests
+    {
+        private User createTestUser(string name, string password, double balance)
+        {
+            User testUser = new User();
+            testUser.Name = name;
+            testUser.Password = password;
+            testUser.Balance = balance;
+
+            return testUser;
+        }
+
+        [Test]
+        public void Test_FindValidUser()
+        {
+            User loggedInUser = null;
+            string userName = "Test User1";
+            string userPassword = "123456";
+
+            var users = new List<User>();
+            users.Add(createTestUser(userName, userPassword, 99.99));
+
+            var authenticator = new Authenticator(users);
+
+            loggedInUser = authenticator.Authenticate(userName, userPassword);
+
+            Assert.AreEqual(userName, loggedInUser.Name);
+        }
+
+        [Test]
+        public void Test_FindInValidUser()
+        {
+            User loggedInUser = null;
+            string userName = "Test User1";
+            string userPassword = "123456";
+
+            var users = new List<User>();
+            users.Add(createTestUser(userName, userPassword, 99.99));
+
+            var authenticator = new Authenticator(users);
+
+            loggedInUser = authenticator.Authenticate(userName + "1", userPassword);
+
+            Assert.AreEqual(null, loggedInUser);
+        }
+
+        [Test]
+        public void Test_FindValidUserWithInvalidPassword()
+        {
+            User loggedInUser = null;
+            string userName = "Test User1";
+            string userPassword = "123456";
+
+            var users = new List<User>();
+            users.Add(createTestUser(userName, userPassword, 99.99));
+
+            var authenticator = new Authenticator(users);
+
+            loggedInUser = authenticator.Authenticate(userName, userPassword + "123");
+
+            Assert.AreEqual(null, loggedInUser);
+        }
+
+
+        [Test]
+        public void Test_ValidateNullUserName()
+        {
+            User loggedInUser = null;
+            string userName = "Test User1";
+            string userPassword = "123456";
+
+            var users = new List<User>();
+            users.Add(createTestUser(userName, userPassword, 99.99));
+
+            var authenticator = new Authenticator(users);
+
+            loggedInUser = authenticator.Authenticate(null, userPassword);
+
+            Assert.AreEqual(null, loggedInUser);
+        }
+
+    }
+}

UnitTestProject/IntegrationTests.cs

@@ -10,7 +10,7 @@
 namespace UnitTestProject
 {
     [TestFixture]
-    //[Ignore("Disable integration tests")]
+    [Ignore("Disable integration tests")]
     public class IntegrationTests
     {
         private List<User> users;

UnitTestProject/StoreTests.cs

@@ -60,12 +60,24 @@ public void Test_PurchaseThrowsNoErrorForValidFunds()
         public void Test_PurchaseRemovesProductFromStore()
         {
             //Arrange
+            const string TEST_PRODUCT_ID = "1";
+
+            var users = new List<User>();
+            users.Add(createTestUser("Test User", "", 99.99));
+
+            var products = new List<Product>();
+            products.Add(createTestProduct(TEST_PRODUCT_ID, "Product", 9.99, 10));
+
+            var dataManager = new DataManager(users,products);
+            var store = new Store(users[0],dataManager); 
 
             //Act
 
+            store.Purchase(TEST_PRODUCT_ID, 9);
+
             //Assert 
             //(choose the appropriate statement(s))
-            //Assert.AreEqual(1, products[0].Quantity);
+            Assert.AreEqual(1, products[0].Quantity);
             //Assert.AreSame(1, products[0].Quantity);
             //Assert.IsTrue(products[0].Quantity == 1);
         }
@@ -74,20 +86,73 @@ public void Test_PurchaseRemovesProductFromStore()
         public void Test_PurchaseThrowsExceptionWhenBalanceIsTooLow()
         {
             //Arrange
+            const string TEST_PRODUCT_ID = "1";
+            InsufficientFundsException INSUFICIANT_FUNDS = new InsufficientFundsException(); 
 
-            //Act
+            var users = new List<User>();
+            users.Add(createTestUser("Test User", "", 1.00));
 
-            //Assert
+            var products = new List<Product>();
+            products.Add(createTestProduct(TEST_PRODUCT_ID, "Product", 1.01, 10));
+
+            var dataManager = new DataManager(users, products);
+            var store = new Store(users[0], dataManager); 
+
+            //Act
+            try
+            {
+                store.Purchase(TEST_PRODUCT_ID, 1);
+                Assert.Fail();
+            }
+            catch(Exception e)
+            {
+                Assert.IsTrue(e is InsufficientFundsException);
+            }
+
         }
 
         [Test]
         public void Test_PurchaseThrowsExceptionWhenBalanceIsTooLowVersion2()
         {
             //Arrange
+            const string TEST_PRODUCT_ID = "1";
+            InsufficientFundsException INSUFICIANT_FUNDS = new InsufficientFundsException();
+
+            var users = new List<User>();
+            users.Add(createTestUser("Test User", "", 1.00));
+
+            var products = new List<Product>();
+            products.Add(createTestProduct(TEST_PRODUCT_ID, "Product", 1.01, 10));
+
+            var dataManager = new DataManager(users, products);
+            var store = new Store(users[0], dataManager);
 
             //Act
 
-            //Assert
+            var ex = Assert.Throws<InsufficientFundsException>(() => store.Purchase(TEST_PRODUCT_ID, 1)); 
+            Assert.IsTrue(ex is InsufficientFundsException);
+        }
+
+        [Test]
+        public void Test_PurchaseThrowsExceptionWhenProductOutofStock()
+        {
+            //Arrange
+            const string TEST_PRODUCT_ID = "1";
+            InsufficientFundsException INSUFICIANT_FUNDS = new InsufficientFundsException();
+
+            var users = new List<User>();
+            users.Add(createTestUser("Test User", "", 10.00));
+
+            var products = new List<Product>();
+            products.Add(createTestProduct(TEST_PRODUCT_ID, "Product", 1.01, 0));
+
+            var dataManager = new DataManager(users, products);
+            var store = new Store(users[0], dataManager);
+
+            //Act
+
+            var ex = Assert.Throws<OutOfStockException>(() => store.Purchase(TEST_PRODUCT_ID, 1));
+            Assert.IsTrue(ex is OutOfStockException);
         }
 
 

UnitTestProject/UnitTestProject.csproj

@@ -70,6 +70,7 @@
     <Otherwise />
   </Choose>
   <ItemGroup>
+    <Compile Include="AuthenticatorTests.cs" />
     <Compile Include="StoreTests.cs" />
     <Compile Include="IntegrationTests.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />