aspnetcore/test/Microsoft.AspNet.Mvc.Core.Test/ViewResultTest.cs

55 lines
2.1 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.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using Microsoft.AspNet.Http;
using Microsoft.AspNet.Mvc.Rendering;
using Microsoft.AspNet.Routing;
using Moq;
using Xunit;
namespace Microsoft.AspNet.Mvc.Core.Test
{
public class ViewResultTest
{
[Fact]
public async Task ExecuteResultAsync_WritesOutputWithoutBOM()
{
// Arrange
var expected = new byte[] { 97, 98, 99, 100 };
var memoryStream = new MemoryStream();
var response = new Mock<HttpResponse>();
response.SetupGet(r => r.Body)
.Returns(memoryStream);
var context = new Mock<HttpContext>();
context.SetupGet(c => c.Response)
.Returns(response.Object);
var routeDictionary = new Dictionary<string, object>();
var actionContext = new ActionContext(context.Object,
Mock.Of<IRouter>(),
routeDictionary,
new ActionDescriptor());
var view = new Mock<IView>();
view.Setup(v => v.RenderAsync(It.IsAny<ViewContext>()))
.Callback((ViewContext v) =>
{
v.Writer.Write("abcd");
})
.Returns(Task.FromResult(0));
var serviceProvider = Mock.Of<IServiceProvider>();
var viewEngine = new Mock<IViewEngine>();
viewEngine.Setup(v => v.FindView(routeDictionary, It.IsAny<string>()))
.Returns(ViewEngineResult.Found("MyView", view.Object));
var viewResult = new ViewResult(serviceProvider, viewEngine.Object);
// Act
await viewResult.ExecuteResultAsync(actionContext);
// Assert
Assert.Equal(expected, memoryStream.ToArray());
}
}
}