aspnetcore/test/Microsoft.AspNet.Mvc.Functi.../BasicTests.cs

84 lines
3.9 KiB
C#

// Copyright (c) Microsoft Open Technologies, Inc. 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.IO;
using System.Reflection;
using System.Threading.Tasks;
using BasicWebSite;
using Microsoft.AspNet.Builder;
using Microsoft.AspNet.TestHost;
using Microsoft.Framework.DependencyInjection;
using Microsoft.Framework.DependencyInjection.Fallback;
using Microsoft.Framework.Runtime;
using Microsoft.Framework.Runtime.Infrastructure;
using Xunit;
namespace Microsoft.AspNet.Mvc.FunctionalTests
{
public class BasicTests
{
private readonly IServiceProvider _provider;
private readonly Action<IBuilder> _app = new Startup().Configure;
// Some tests require comparing the actual response body against an expected response baseline
// so they require a reference to the assembly on which the resources are located, in order to
// make the tests less verbose, we get a reference to the assembly with the resources and we
// use it on all the rest of the tests.
private readonly Assembly _resourcesAssembly = typeof(BasicTests).GetTypeInfo().Assembly;
public BasicTests()
{
var originalProvider = CallContextServiceLocator.Locator.ServiceProvider;
IApplicationEnvironment appEnvironment = originalProvider.GetService<IApplicationEnvironment>();
// When an application executes in a regular context, the application base path points to the root
// directory where the application is located, for example MvcSample.Web. However, when executing
// an aplication as part of a test, the ApplicationBasePath of the IApplicationEnvironment points
// to the root folder of the test project.
// To compensate for this, we need to calculate the original path and override the application
// environment value so that components like the view engine work properly in the context of the
// test.
string appBasePath = CalculateApplicationBasePath(appEnvironment);
_provider = new ServiceCollection()
.AddInstance(typeof(IApplicationEnvironment), new TestApplicationEnvironment(appEnvironment, appBasePath))
.BuildServiceProvider(originalProvider);
}
[Fact]
public async Task CanRender_ViewsWithLayout()
{
// Arrange
var server = TestServer.Create(_provider, _app);
var client = server.Handler;
// The K runtime compiles every file under compiler/resources as a resource at runtime with the same name
// as the file name, in order to update a baseline you just need to change the file in that folder.
var expectedContent = await _resourcesAssembly.ReadResourceAsStringAsync("BasicWebSite.Home.Index.html");
// Act
// The host is not important as everything runs in memory and tests are isolated from each other.
var result = await client.GetAsync("http://localhost/");
Assert.Equal(200, result.StatusCode);
Assert.Equal(result.ContentType, "text/html; charset=utf-8");
var responseContent = await result.ReadBodyAsStringAsync();
// Assert
Assert.Equal(expectedContent, responseContent);
}
// Calculate the path relative to the current application base path.
private static string CalculateApplicationBasePath(IApplicationEnvironment appEnvironment)
{
// Mvc/test/Microsoft.AspNet.Mvc.FunctionalTests
var appBase = appEnvironment.ApplicationBasePath;
// Mvc/test
var test = Path.GetDirectoryName(appBase);
// Mvc/test/WebSites/BasicWebSite
return Path.GetFullPath(Path.Combine(appBase, "..", "WebSites", "BasicWebSite"));
}
}
}