aspnetcore/test/Microsoft.AspNetCore.Mvc.We.../ExceptionResultTest.cs

87 lines
3.1 KiB
C#

// 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.Buffers;
using System.IO;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Abstractions;
using Microsoft.AspNetCore.Mvc.Formatters;
using Microsoft.AspNetCore.Mvc.Infrastructure;
using Microsoft.AspNetCore.Mvc.Internal;
using Microsoft.AspNetCore.Routing;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging.Abstractions;
using Microsoft.Extensions.Options;
using Newtonsoft.Json;
using Xunit;
namespace System.Web.Http
{
public class ExceptionResultTest
{
[Fact]
public async Task ExceptionResult_SetsStatusCode()
{
// Arrange
var httpContext = new DefaultHttpContext();
httpContext.RequestServices = CreateServices();
var stream = new MemoryStream();
httpContext.Response.Body = stream;
var context = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
var result = new ExceptionResult(new Exception("hello, world!"), includeErrorDetail: false);
// Act
await result.ExecuteResultAsync(context);
// Assert
Assert.Equal(StatusCodes.Status500InternalServerError, context.HttpContext.Response.StatusCode);
}
[Fact]
public async Task ExceptionResult_WritesHttpError()
{
// Arrange
var httpContext = new DefaultHttpContext();
httpContext.RequestServices = CreateServices();
var stream = new MemoryStream();
httpContext.Response.Body = stream;
var context = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
var result = new ExceptionResult(new Exception("hello, world!"), includeErrorDetail: false);
// Act
await result.ExecuteResultAsync(context);
// Assert
using (var reader = new StreamReader(stream))
{
stream.Seek(0, SeekOrigin.Begin);
var content = reader.ReadToEnd();
Assert.Equal("{\"Message\":\"An error has occurred.\"}", content);
}
}
private static IServiceProvider CreateServices()
{
var options = Options.Create(new MvcOptions());
options.Value.OutputFormatters.Add(new StringOutputFormatter());
options.Value.OutputFormatters.Add(new JsonOutputFormatter(
new JsonSerializerSettings(),
ArrayPool<char>.Shared));
var services = new ServiceCollection();
services.AddSingleton<IActionResultExecutor<ObjectResult>>(new ObjectResultExecutor(
new DefaultOutputFormatterSelector(options, NullLoggerFactory.Instance),
new TestHttpResponseStreamWriterFactory(),
NullLoggerFactory.Instance));
return services.BuildServiceProvider();
}
}
}