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

57 lines
2.6 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 InlineConstraints;
using Microsoft.AspNet.Builder;
using Microsoft.AspNet.Routing;
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 static class TestHelper
{
public static IServiceProvider CreateServices(string applicationWebSiteName)
{
var originalProvider = CallContextServiceLocator.Locator.ServiceProvider;
var 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.
var appBasePath = CalculateApplicationBasePath(appEnvironment, applicationWebSiteName);
var provider = new ServiceCollection()
.AddInstance(typeof(IApplicationEnvironment),
new TestApplicationEnvironment(appEnvironment, appBasePath))
.BuildServiceProvider(originalProvider);
return provider;
}
// Calculate the path relative to the application base path.
public static string CalculateApplicationBasePath(IApplicationEnvironment appEnvironment,
string applicationWebSiteName)
{
// Mvc/test/Microsoft.AspNet.Mvc.FunctionalTests
var appBase = appEnvironment.ApplicationBasePath;
// Mvc/test
var test = Path.GetDirectoryName(appBase);
// Mvc/test/WebSites/applicationWebSiteName
return Path.GetFullPath(Path.Combine(appBase, "..", "WebSites", applicationWebSiteName));
}
}
}