From 074bdb2a666abdfcbd50f9f2f8f100b5ac8ee402 Mon Sep 17 00:00:00 2001
From: Steve Smith <steve@kentsmiths.com>
Date: Tue, 29 May 2018 22:20:07 -0400
Subject: [PATCH] Adding functional tests using WebApplicationFactory

---
 src/Web/Startup.cs                            |  4 +-
 tests/FunctionalTests/FunctionalTests.csproj  |  8 +--
 .../Web/Controllers/CatalogControllerIndex.cs | 70 +++++++++++++++++++
 3 files changed, 76 insertions(+), 6 deletions(-)
 create mode 100644 tests/FunctionalTests/Web/Controllers/CatalogControllerIndex.cs

diff --git a/src/Web/Startup.cs b/src/Web/Startup.cs
index 1ca717b..edd33e2 100644
--- a/src/Web/Startup.cs
+++ b/src/Web/Startup.cs
@@ -61,9 +61,9 @@ namespace Microsoft.eShopWeb
                     // https://www.microsoft.com/en-us/download/details.aspx?id=54284
                     c.UseSqlServer(Configuration.GetConnectionString("CatalogConnection"));
                 }
-                catch (System.Exception ex)
+                catch (Exception ex)
                 {
-                    var message = ex.Message;
+                    //TODO: log the exception details
                 }
             });
 
diff --git a/tests/FunctionalTests/FunctionalTests.csproj b/tests/FunctionalTests/FunctionalTests.csproj
index 72aaccb..7b5df4f 100644
--- a/tests/FunctionalTests/FunctionalTests.csproj
+++ b/tests/FunctionalTests/FunctionalTests.csproj
@@ -5,11 +5,11 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="2.1.0-rc1-final" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0-preview-20180510-03" />
-    <PackageReference Include="xunit" Version="2.4.0-beta.1.build3958" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0-beta.1.build3958" />
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="2.1.0-rc1-final" />
-
+    <PackageReference Include="xunit" Version="2.3.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
+    <DotNetCliToolReference Include="dotnet-xunit" Version="2.3.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/FunctionalTests/Web/Controllers/CatalogControllerIndex.cs b/tests/FunctionalTests/Web/Controllers/CatalogControllerIndex.cs
new file mode 100644
index 0000000..42963dd
--- /dev/null
+++ b/tests/FunctionalTests/Web/Controllers/CatalogControllerIndex.cs
@@ -0,0 +1,70 @@
+using Infrastructure.Data;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.eShopWeb;
+using System.Linq;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Xunit;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Infrastructure.Identity;
+using Microsoft.AspNetCore.Identity;
+using System;
+
+namespace FunctionalTests.Web.Controllers
+{
+public class CatalogControllerIndex : IClassFixture<WebApplicationFactory<Startup>>
+{
+public CatalogControllerIndex(WebApplicationFactory<Startup> fixture)
+{
+    var factory = fixture.Factories.FirstOrDefault() ?? fixture.WithWebHostBuilder(ConfigureWebHostBuilder);
+    Client = factory.CreateClient();
+    var host = factory.Server?.Host;
+    SeedData(host);
+}
+
+private void SeedData(IWebHost host)
+{
+    if(host == null) { throw new ArgumentNullException("host"); }
+    using (var scope = host.Services.CreateScope())
+    {
+        var services = scope.ServiceProvider;
+        var loggerFactory = services.GetRequiredService<ILoggerFactory>();
+        try
+        {
+            var catalogContext = services.GetRequiredService<CatalogContext>();
+            CatalogContextSeed.SeedAsync(catalogContext, loggerFactory)
+    .Wait();
+
+            var userManager = services.GetRequiredService<UserManager<ApplicationUser>>();
+            AppIdentityDbContextSeed.SeedAsync(userManager).Wait();
+        }
+        catch (Exception ex)
+        {
+            var logger = loggerFactory.CreateLogger<CatalogControllerIndex>();
+            logger.LogError(ex, "An error occurred seeding the DB.");
+        }
+    }
+}
+
+private static void ConfigureWebHostBuilder(IWebHostBuilder builder)
+{
+    builder.UseEnvironment("Testing");
+}
+
+public HttpClient Client { get; }
+
+        [Fact]
+        public async Task ReturnsHomePageWithProductListing()
+        {
+            // Arrange & Act
+            var response = await Client.GetAsync("/");
+            response.EnsureSuccessStatusCode();
+            var stringResponse = await response.Content.ReadAsStringAsync();
+
+            // Assert
+            Assert.Contains(".NET Bot Black Sweatshirt", stringResponse);
+        }
+    }
+}