From 20f1cf9dec78a1e9eb9f7807d7b6c1e892214aa9 Mon Sep 17 00:00:00 2001
From: Jason Zhu <jasonzhuyq@outlook.com>
Date: Wed, 8 Sep 2021 15:18:46 +1000
Subject: [PATCH] 7.5.1.1 Adding the View Model; UNIT TEST: CREATING PAGE LINKS

---
 .../SportsStore.UnitTests/UnitTest1.cs        | 43 ++++++++++++++++---
 1 file changed, 37 insertions(+), 6 deletions(-)

diff --git a/SportsStore/SportsStore.UnitTests/UnitTest1.cs b/SportsStore/SportsStore.UnitTests/UnitTest1.cs
index b73a060..81b00c3 100644
--- a/SportsStore/SportsStore.UnitTests/UnitTest1.cs
+++ b/SportsStore/SportsStore.UnitTests/UnitTest1.cs
@@ -2,10 +2,13 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Web.Mvc;
 using Moq;
 using SportsStore.Domain.Abstract;
 using SportsStore.Domain.Entities;
 using SportsStore.WebUI.Controllers;
+using SportsStore.WebUI.HtmlHelpers;
+using SportsStore.WebUI.Models;
 
 namespace SportsStore.UnitTests
 {
@@ -17,12 +20,13 @@ namespace SportsStore.UnitTests
         {
             // Arrange
             Mock<IProductRepository> mock = new Mock<IProductRepository>();
-            mock.Setup(m => m.Products).Returns(new Product[] {
-                new Product {ProductID = 1, Name = "P1"},
-                new Product {ProductID = 2, Name = "P2"},
-                new Product {ProductID = 3, Name = "P3"},
-                new Product {ProductID = 4, Name = "P4"},
-                new Product {ProductID = 5, Name = "P5"}
+            mock.Setup(m => m.Products).Returns(new Product[]
+            {
+                new Product { ProductID = 1, Name = "P1" },
+                new Product { ProductID = 2, Name = "P2" },
+                new Product { ProductID = 3, Name = "P3" },
+                new Product { ProductID = 4, Name = "P4" },
+                new Product { ProductID = 5, Name = "P5" }
             });
             ProductController controller = new ProductController(mock.Object);
             controller.PageSize = 3;
@@ -35,5 +39,32 @@ namespace SportsStore.UnitTests
             Assert.AreEqual(prodArray[0].Name, "P4");
             Assert.AreEqual(prodArray[1].Name, "P5");
         }
+
+        [TestMethod]
+        public void Can_Generate_Page_Links()
+        {
+            // Arrange - define an HTML helper - we need to do this
+            // in order to apply the extension method
+            HtmlHelper myHelper = null;
+            // Arrange - create PagingInfo data
+            PagingInfo pagingInfo = new PagingInfo
+            {
+                CurrentPage = 2,
+                TotalItems = 28,
+                ItemsPerPage = 10
+            };
+
+            // Arrange - set up the delegate using a lambda expression
+            Func<int, string> pageUrlDelegate = i => "Page" + i;
+
+            // Act
+            MvcHtmlString result = myHelper.PageLinks(pagingInfo, pageUrlDelegate);
+
+            // Assert
+            Assert.AreEqual(@"<a class=""btn btn-default"" href=""Page1"">1</a>"
+                            + @"<a class=""btn btn-default btn-primary selected"" href=""Page2"">2</a>"
+                            + @"<a class=""btn btn-default"" href=""Page3"">3</a>",
+                result.ToString());
+        }
     }
 }