Adding MusicStore unit tests for Session and Cookies

MusicStore.sln

@@ -24,7 +24,9 @@ Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "MusicStore", "src\MusicStor
 EndProject
 Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "MusicStore.Spa", "src\MusicStore.Spa\MusicStore.Spa.kproj", "{93891170-A8D5-46FD-A291-40F90CF258C2}"
 EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "MusicStore.Test", "test\MusicStore.Test\MusicStore.Test.kproj", "{BECA766F-093E-4D08-9530-2BFA63C5BF93}"
+Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "MusicStore.Test", "test\MusicStore.Test\MusicStore.Test.kproj", "{CA663205-77DE-4E55-B300-85594181B5A9}"
+EndProject
+Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "MusicStore.Spa.Test", "test\MusicStore.Spa.Test\MusicStore.Spa.Test.kproj", "{9D3326C4-1F12-4526-9F25-712A1463B3FA}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -86,18 +88,30 @@ Global
 		{93891170-A8D5-46FD-A291-40F90CF258C2}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
 		{93891170-A8D5-46FD-A291-40F90CF258C2}.Release|Mixed Platforms.Build.0 = Release|Any CPU
 		{93891170-A8D5-46FD-A291-40F90CF258C2}.Release|x86.ActiveCfg = Release|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Debug|x86.Build.0 = Debug|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Debug|x86.Build.0 = Debug|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Release|Any CPU.Build.0 = Release|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Release|Mixed Platforms.Build.0 = Release|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Release|x86.ActiveCfg = Release|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Release|x86.ActiveCfg = Release|Any CPU
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93}.Release|x86.Build.0 = Release|Any CPU
+		{CA663205-77DE-4E55-B300-85594181B5A9}.Release|x86.Build.0 = Release|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Debug|x86.Build.0 = Debug|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Release|x86.ActiveCfg = Release|Any CPU
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -108,6 +122,7 @@ Global
 		{A319ACCE-060B-4385-9534-9F2202F6180E} = {363D2681-31A6-48C9-90BB-9ACFF4A41F06}
 		{3CFBED5D-2ED8-49DB-96FB-BDAA748DC5A0} = {B7B176B6-8D4D-4EF1-BBD2-DDA650C78FFF}
 		{93891170-A8D5-46FD-A291-40F90CF258C2} = {B7B176B6-8D4D-4EF1-BBD2-DDA650C78FFF}
-		{BECA766F-093E-4D08-9530-2BFA63C5BF93} = {363D2681-31A6-48C9-90BB-9ACFF4A41F06}
+		{CA663205-77DE-4E55-B300-85594181B5A9} = {363D2681-31A6-48C9-90BB-9ACFF4A41F06}
+		{9D3326C4-1F12-4526-9F25-712A1463B3FA} = {363D2681-31A6-48C9-90BB-9ACFF4A41F06}
 	EndGlobalSection
 EndGlobal

test/MusicStore.Spa.Test/MusicStore.Spa.Test.kproj

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+  </PropertyGroup>
+
+  <Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.Props" Condition="'$(VSToolsPath)' != ''" />
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>9d3326c4-1f12-4526-9f25-712a1463b3fa</ProjectGuid>
+    <RootNamespace>MusicStore.Spa.Test</RootNamespace>
+    <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">..\..\artifacts\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
+    <OutputPath Condition="'$(OutputPath)'=='' ">..\..\artifacts\bin\$(MSBuildProjectName)\</OutputPath>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <SchemaVersion>2.0</SchemaVersion>
+  </PropertyGroup>
+  <Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.targets" Condition="'$(VSToolsPath)' != ''" />
+</Project>

test/MusicStore.Spa.Test/ShoppingCartTest.cs

@@ -0,0 +1,45 @@
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Http.Core;
+using Microsoft.AspNet.Http.Core.Collections;
+using Xunit;
+
+namespace MusicStore.Models
+{
+    public class ShoppingCartTest
+    {
+        [Fact]
+        public void GetCartId_ReturnsCartIdFromCookies()
+        {
+            // Arrange
+            var cartId = "cartId_A";
+
+            var httpContext = new DefaultHttpContext();
+            httpContext.SetFeature<IRequestCookiesFeature>(new CookiesFeature("Session=" + cartId));
+
+            var cart = new ShoppingCart(new MusicStoreContext());
+
+            // Act
+            var result = cart.GetCartId(httpContext);
+
+            // Assert
+            Assert.NotNull(result);
+            Assert.Equal(cartId, result);
+        }
+
+        private class CookiesFeature : IRequestCookiesFeature
+        {
+            private readonly RequestCookiesCollection _cookies;
+
+            public CookiesFeature(string cookiesHeader)
+            {
+                _cookies = new RequestCookiesCollection();
+                _cookies.Reparse(cookiesHeader);
+            }
+
+            public IReadableStringCollection Cookies
+            {
+                get { return _cookies; }
+            }
+        }
+    }
+}

test/MusicStore.Spa.Test/project.json

@@ -0,0 +1,17 @@
+{
+  "compilationOptions": {
+    "warningsAsErrors": "true"
+  },
+  "dependencies": {
+    "MusicStore.Spa": "",
+    "Microsoft.AspNet.Mvc" : "6.0.0-*",
+    "Microsoft.AspNet.Testing.Logging" :  "1.0.0-*",
+    "xunit.runner.kre": "1.0.0-*"
+  },
+  "commands": {
+    "test": "xunit.runner.kre"
+  },
+  "frameworks": {
+    "aspnet50": { },
+  }
+}

test/MusicStore.Test/ShoppingCartControllerTest.cs

@@ -0,0 +1,172 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Http.Core;
+using Microsoft.AspNet.Http.Interfaces;
+using Microsoft.AspNet.Mvc;
+using Microsoft.AspNet.Session;
+using Microsoft.AspNet.Testing.Logging;
+using Microsoft.Framework.Cache.Distributed;
+using Microsoft.Framework.Cache.Memory;
+using Microsoft.Framework.DependencyInjection;
+using MusicStore.Models;
+using MusicStore.ViewModels;
+using Xunit;
+
+namespace MusicStore.Controllers
+{
+    public class ShoppingCartControllerTest
+    {
+        private readonly IServiceProvider _serviceProvider;
+
+        public ShoppingCartControllerTest()
+        {
+            var services = new ServiceCollection();
+
+            services.AddEntityFramework()
+                      .AddInMemoryStore()
+                      .AddDbContext<MusicStoreContext>();
+
+            _serviceProvider = services.BuildServiceProvider();
+        }
+
+        [Fact]
+        public async Task Index_ReturnsNoCartItems_WhenSessionEmpty()
+        {
+            // Arrange
+            var sessionFeature = new SessionFeature()
+            {
+                Session = CreateTestSession(),
+            };
+
+            var httpContext = new DefaultHttpContext();
+            httpContext.SetFeature<ISessionFeature>(sessionFeature);
+
+            var controller = new ShoppingCartController()
+            {
+                DbContext = _serviceProvider.GetRequiredService<MusicStoreContext>(),
+            };
+            controller.ActionContext.HttpContext = httpContext;
+
+            // Act
+            var result = await controller.Index();
+
+            // Assert
+            var viewResult = Assert.IsType<ViewResult>(result);
+            Assert.NotNull(viewResult.ViewData);
+            Assert.Null(viewResult.ViewName);
+
+            var model = Assert.IsType<ShoppingCartViewModel>(viewResult.ViewData.Model);
+            Assert.Equal(0, model.CartItems.Count);
+            Assert.Equal(0, model.CartTotal);
+        }
+
+        [Fact]
+        public async Task Index_ReturnsNoCartItems_WhenNoItemsInCart()
+        {
+            // Arrange
+            var sessionFeature = new SessionFeature()
+            {
+                Session = CreateTestSession(),
+            };
+
+            var httpContext = new DefaultHttpContext();
+            httpContext.SetFeature<ISessionFeature>(sessionFeature);
+            httpContext.Session.SetString("Session", "CartId_A");
+
+            var controller = new ShoppingCartController()
+            {
+                DbContext = _serviceProvider.GetRequiredService<MusicStoreContext>(),
+            };
+            controller.ActionContext.HttpContext = httpContext;
+
+            // Act
+            var result = await controller.Index();
+
+            // Assert
+            var viewResult = Assert.IsType<ViewResult>(result);
+            Assert.NotNull(viewResult.ViewData);
+            Assert.Null(viewResult.ViewName);
+
+            var model = Assert.IsType<ShoppingCartViewModel>(viewResult.ViewData.Model);
+            Assert.Equal(0, model.CartItems.Count);
+            Assert.Equal(0, model.CartTotal);
+        }
+
+        [Fact]
+        public async Task Index_ReturnsCartItems_WhenItemsInCart()
+        {
+            // Arrange
+            var cartId = "CartId_A";
+            var sessionFeature = new SessionFeature()
+            {
+                Session = CreateTestSession(),
+            };
+
+            var httpContext = new DefaultHttpContext();
+            httpContext.SetFeature<ISessionFeature>(sessionFeature);
+            httpContext.Session.SetString("Session", cartId);
+
+            var dbContext = _serviceProvider.GetRequiredService<MusicStoreContext>();
+            var cartItems = CreateTestCartItems(
+                cartId,
+                itemPrice: 10,
+                numberOfItem: 5);
+            dbContext.AddRange(cartItems.Select(n => n.Album).Distinct());
+            dbContext.AddRange(cartItems);
+            dbContext.SaveChanges();
+
+            var controller = new ShoppingCartController()
+            {
+                DbContext = dbContext,
+            };
+            controller.ActionContext.HttpContext = httpContext;
+
+            // Act
+            var result = await controller.Index();
+
+            // Assert
+            var viewResult = Assert.IsType<ViewResult>(result);
+            Assert.NotNull(viewResult.ViewData);
+            Assert.Null(viewResult.ViewName);
+
+            var model = Assert.IsType<ShoppingCartViewModel>(viewResult.ViewData.Model);
+            Assert.Equal(5, model.CartItems.Count);
+            Assert.Equal(5 * 10, model.CartTotal);
+        }
+
+        private static ISession CreateTestSession()
+        {
+
+            return new DistributedSession(
+                new LocalCache(new MemoryCache(new MemoryCacheOptions())),
+                "sessionId_A",
+                idleTimeout: TimeSpan.MaxValue,
+                tryEstablishSession: () => true,
+                loggerFactory: new NullLoggerFactory(),
+                isNewSessionKey: true);
+        }
+
+        private static CartItem[] CreateTestCartItems(string cartId, decimal itemPrice, int numberOfItem)
+        {
+            var albums = Enumerable.Range(1, 10).Select(n =>
+                new Album()
+                {
+                    AlbumId = n,
+                    Price = itemPrice,
+                }).ToArray();
+
+            var cartItems = Enumerable.Range(1, numberOfItem).Select(n =>
+                new CartItem()
+                {
+                    Count = 1,
+                    CartId = cartId,
+                    AlbumId = n,
+                    Album = albums[n - 1],
+                }).ToArray();
+
+            return cartItems;
+        }
+    }
+}

test/MusicStore.Test/project.json

@@ -5,6 +5,7 @@
   "dependencies": {
     "MusicStore": "",
     "Microsoft.AspNet.Mvc" : "6.0.0-*",
+    "Microsoft.AspNet.Testing.Logging" :  "1.0.0-*",
     "xunit.runner.kre": "1.0.0-*"
   },
   "commands": {