functional tests

tests/FunctionalTests/Web/Controllers/BaseWebTest.cs

@@ -0,0 +1,72 @@
+using System;
+using System.IO;
+using System.Net.Http;
+using System.Reflection;
+using Microsoft.Extensions.PlatformAbstractions;
+using Microsoft.eShopWeb;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.TestHost;
+
+namespace FunctionalTests.Web.Controllers
+{
+    public abstract class BaseWebTest
+    {
+        protected readonly HttpClient _client;
+        protected string _contentRoot;
+
+        public BaseWebTest()
+        {
+            _client = GetClient();
+        }
+
+        protected HttpClient GetClient()
+        {
+            var startupAssembly = typeof(Startup).GetTypeInfo().Assembly;
+            _contentRoot = GetProjectPath("src", startupAssembly);
+            var builder = new WebHostBuilder()
+                .UseContentRoot(_contentRoot)
+                .UseStartup<Startup>();
+
+            var server = new TestServer(builder);
+            var client = server.CreateClient();
+
+            return client;
+        }
+
+        /// <summary>
+        /// Gets the full path to the target project path that we wish to test
+        /// </summary>
+        /// <param name="solutionRelativePath">
+        /// The parent directory of the target project.
+        /// e.g. src, samples, test, or test/Websites
+        /// </param>
+        /// <param name="startupAssembly">The target project's assembly.</param>
+        /// <returns>The full path to the target project.</returns>
+        protected static string GetProjectPath(string solutionRelativePath, Assembly startupAssembly)
+        {
+            // Get name of the target project which we want to test
+            var projectName = startupAssembly.GetName().Name;
+
+            // Get currently executing test project path
+            var applicationBasePath = PlatformServices.Default.Application.ApplicationBasePath;
+
+            // Find the folder which contains the solution file. We then use this information to find the target
+            // project which we want to test.
+            var directoryInfo = new DirectoryInfo(applicationBasePath);
+            do
+            {
+                var solutionFileInfo = new FileInfo(Path.Combine(directoryInfo.FullName, "eShopOnWeb.sln"));
+                if (solutionFileInfo.Exists)
+                {
+                    return Path.GetFullPath(Path.Combine(directoryInfo.FullName, solutionRelativePath, projectName));
+                }
+
+                directoryInfo = directoryInfo.Parent;
+            }
+            while (directoryInfo.Parent != null);
+
+            throw new Exception($"Solution root could not be located using application root {applicationBasePath}.");
+        }
+
+    }
+}

tests/FunctionalTests/Web/Controllers/CatalogControllerGetImage.cs

@@ -0,0 +1,28 @@
+using System.IO;
+using Xunit;
+using System.Threading.Tasks;
+
+namespace FunctionalTests.Web.Controllers
+{
+    public class CatalogControllerGetImage : BaseWebTest
+    {
+        [Fact]
+        public async Task ReturnsFileContentResultGivenValidId()
+        {
+            var testFilePath = Path.Combine(_contentRoot, "pics//1.png");
+            var expectedFileBytes = File.ReadAllBytes(testFilePath);
+
+            var response = await _client.GetAsync("/catalog/pic/1");
+            response.EnsureSuccessStatusCode();
+            var streamResponse = await response.Content.ReadAsStreamAsync();
+            byte[] byteResult;
+            using (var ms = new MemoryStream())
+            {
+                streamResponse.CopyTo(ms);
+                byteResult = ms.ToArray();
+            }
+
+            Assert.Equal(expectedFileBytes, byteResult);
+        }
+    }
+}