Simple E2E test for static site

.gitignore

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+.vs/
+bin/
+obj/

Blazor.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.27004.2005
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Samples", "Samples", "{F5FDD4E5-6A52-4A86-BE5E-5E42CB1DC8DA}"
+EndProject
+Project("{E24C65DC-7377-472B-9ABA-BC803B73C61A}") = "HelloWorld", "samples\HelloWorld\", "{4C7EE25B-E9C7-4CA3-8357-77ADF9AAD20A}"
+	ProjectSection(WebsiteProperties) = preProject
+		TargetFrameworkMoniker = ".NETFramework,Version%3Dv4.0"
+		Debug.AspNetCompiler.VirtualPath = "/localhost_56836"
+		Debug.AspNetCompiler.PhysicalPath = "samples\HelloWorld\"
+		Debug.AspNetCompiler.TargetPath = "PrecompiledWeb\localhost_56836\"
+		Debug.AspNetCompiler.Updateable = "true"
+		Debug.AspNetCompiler.ForceOverwrite = "true"
+		Debug.AspNetCompiler.FixedNames = "false"
+		Debug.AspNetCompiler.Debug = "True"
+		Release.AspNetCompiler.VirtualPath = "/localhost_56836"
+		Release.AspNetCompiler.PhysicalPath = "samples\HelloWorld\"
+		Release.AspNetCompiler.TargetPath = "PrecompiledWeb\localhost_56836\"
+		Release.AspNetCompiler.Updateable = "true"
+		Release.AspNetCompiler.ForceOverwrite = "true"
+		Release.AspNetCompiler.FixedNames = "false"
+		Release.AspNetCompiler.Debug = "False"
+		VWDPort = "56836"
+		SlnRelativePath = "samples\HelloWorld\"
+	EndProjectSection
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Blazor.E2ETest", "e2e\Blazor.E2ETest.csproj", "{A1A3AEB6-A832-477E-8D91-A672CFE53801}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{4C7EE25B-E9C7-4CA3-8357-77ADF9AAD20A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4C7EE25B-E9C7-4CA3-8357-77ADF9AAD20A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4C7EE25B-E9C7-4CA3-8357-77ADF9AAD20A}.Release|Any CPU.ActiveCfg = Debug|Any CPU
+		{4C7EE25B-E9C7-4CA3-8357-77ADF9AAD20A}.Release|Any CPU.Build.0 = Debug|Any CPU
+		{A1A3AEB6-A832-477E-8D91-A672CFE53801}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A1A3AEB6-A832-477E-8D91-A672CFE53801}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A1A3AEB6-A832-477E-8D91-A672CFE53801}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A1A3AEB6-A832-477E-8D91-A672CFE53801}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{4C7EE25B-E9C7-4CA3-8357-77ADF9AAD20A} = {F5FDD4E5-6A52-4A86-BE5E-5E42CB1DC8DA}
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {504DA352-6788-4DC0-8705-82167E72A4D3}
+	EndGlobalSection
+EndGlobal

e2e/Blazor.E2ETest.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.0.1" />
+    <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.0.1" />
+    <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="2.0.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.5.0" />
+    <PackageReference Include="Selenium.WebDriver" Version="3.8.0" />
+    <PackageReference Include="xunit" Version="2.3.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
+  </ItemGroup>
+
+</Project>

e2e/Infrastructure/BrowserFixture.cs

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+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using OpenQA.Selenium;
+using OpenQA.Selenium.Chrome;
+using OpenQA.Selenium.Remote;
+using System;
+
+namespace Blazor.E2ETest.Infrastructure
+{
+    public class BrowserFixture : IDisposable
+    {
+        public IWebDriver Browser { get; }
+
+        public BrowserFixture()
+        {
+            var opts = new ChromeOptions();
+            opts.AddArgument("--headless");
+            Browser = new RemoteWebDriver(opts);
+        }
+
+        public void Dispose()
+        {
+            Browser.Dispose();
+        }
+    }
+}

e2e/Infrastructure/StaticServerFixture.cs

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+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.Linq;
+using System.Threading;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Hosting.Server.Features;
+
+namespace Blazor.E2ETest.Infrastructure
+{
+    public class StaticServerFixture : IDisposable
+    {
+        private IWebHost _host;
+
+        public string Start(string path)
+        {
+            _host = new WebHostBuilder()
+                .UseKestrel()
+                .UseContentRoot(path)
+                .UseWebRoot(string.Empty)
+                .UseStartup<Startup>()
+                .UseUrls("http://127.0.0.1:0")
+                .Build();
+            StartWebHostInBackgroundThread(_host);
+
+            return _host.ServerFeatures
+                .Get<IServerAddressesFeature>()
+                .Addresses.Single();
+        }
+
+        public void Dispose()
+        {
+            _host.StopAsync();
+        }
+
+        private static void StartWebHostInBackgroundThread(IWebHost host)
+        {
+            var serverStarted = new ManualResetEvent(false);
+
+            new Thread(() =>
+            {
+                host.Start();
+                serverStarted.Set();
+            }).Start();
+
+            serverStarted.WaitOne();
+        }
+
+        private class Startup
+        {
+            public void Configure(IApplicationBuilder app)
+            {
+                app.UseFileServer();
+            }
+        }
+    }
+}

e2e/Infrastructure/StaticSiteTestBase.cs

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+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using OpenQA.Selenium;
+using System;
+using System.IO;
+using Xunit;
+
+namespace Blazor.E2ETest.Infrastructure
+{
+    public class StaticSiteTestBase
+        : IClassFixture<BrowserFixture>, IClassFixture<StaticServerFixture>
+    {
+        public IWebDriver Browser { get; }
+
+        private Uri _serverRootUri;
+
+        public StaticSiteTestBase(
+            BrowserFixture browserFixture,
+            StaticServerFixture serverFixture,
+            string staticSitePath)
+        {
+            Browser = browserFixture.Browser;
+
+            // Start a static files web server for the specified directory
+            var staticSiteFullPath = Path.Combine(FindSolutionDir(), staticSitePath);
+            var serverRootUriString = serverFixture.Start(staticSiteFullPath);
+            _serverRootUri = new Uri(serverRootUriString);
+        }
+
+        public void Navigate(string relativeUrl)
+        {
+            var absoluteUrl = new Uri(_serverRootUri, relativeUrl);
+            Browser.Navigate().GoToUrl(absoluteUrl);
+        }
+
+        private string FindSolutionDir()
+        {
+            return FindClosestDirectoryContaining(
+                "Blazor.sln",
+                Path.GetDirectoryName(GetType().Assembly.Location));
+        }
+
+        private static string FindClosestDirectoryContaining(
+            string filename,
+            string startDirectory)
+        {
+            var dir = startDirectory;
+            while (true)
+            {
+                if (File.Exists(Path.Combine(dir, filename)))
+                {
+                    return dir;
+                }
+
+                dir = Directory.GetParent(dir)?.FullName;
+                if (string.IsNullOrEmpty(dir))
+                {
+                    throw new FileNotFoundException(
+                        $"Could not locate a file called '{filename}' in " +
+                        $"directory '{startDirectory}' or any parent directory.");
+                }
+            }
+        }
+    }
+}

e2e/Tests/HelloWorldTest.cs

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+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using Blazor.E2ETest.Infrastructure;
+using OpenQA.Selenium;
+using Xunit;
+
+namespace Blazor.E2ETest.Tests
+{
+    public class HelloWorldTest : StaticSiteTestBase
+    {
+        public HelloWorldTest(BrowserFixture browserFixture, StaticServerFixture serverFixture)
+            : base(browserFixture, serverFixture, @"samples\HelloWorld")
+        {
+        }
+
+        [Fact]
+        public void HasTitle()
+        {
+            Navigate("/");
+            Assert.Equal("Hello", Browser.Title);
+        }
+
+        [Fact]
+        public void DisplaysMessage()
+        {
+            Navigate("/");
+            Assert.Equal("Hello, world!", Browser.FindElement(By.TagName("h1")).Text);
+        }
+    }
+}

samples/HelloWorld/index.html

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+<html>
+<head>
+  <title>Hello</title>
+</head>
+<body>
+  <h1>Hello, world!</h1>
+</body>
+</html>