aspnetcore/test/Microsoft.AspNet.Mvc.ViewFe.../ViewComponents/JsonViewComponentResultTest.cs

99 lines
3.4 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;
using System.IO;
using System.Text;
using Microsoft.AspNet.Http;
using Microsoft.AspNet.Http.Internal;
using Microsoft.AspNet.Mvc.Abstractions;
using Microsoft.AspNet.Mvc.ModelBinding;
using Microsoft.AspNet.Mvc.Rendering;
using Microsoft.AspNet.Mvc.ViewComponents;
using Microsoft.AspNet.Mvc.ViewEngines;
using Microsoft.AspNet.Mvc.ViewFeatures;
using Microsoft.AspNet.Routing;
using Microsoft.Framework.DependencyInjection;
using Moq;
using Newtonsoft.Json;
using Xunit;
namespace Microsoft.AspNet.Mvc
{
public class JsonViewComponentResultTest
{
[Fact]
public void Execute_UsesSerializer_WithSpecifiedSerializerSettings()
{
// Arrange
var view = Mock.Of<IView>();
var buffer = new MemoryStream();
var viewComponentContext = GetViewComponentContext(view, buffer);
var serializerSettings = new JsonSerializerSettings();
serializerSettings.Formatting = Formatting.Indented;
var result = new JsonViewComponentResult(new { foo = "abcd" }, serializerSettings);
viewComponentContext.ViewContext.HttpContext.Response.Body = buffer;
// Act
result.Execute(viewComponentContext);
// Assert
Assert.Equal(
$"{{{Environment.NewLine} \"foo\": \"abcd\"{Environment.NewLine}}}",
Encoding.UTF8.GetString(buffer.ToArray()));
}
[Fact]
public void Execute_UsesSerializerSettingsFromOptions_IfNotProvided()
{
// Arrange
var view = Mock.Of<IView>();
var buffer = new MemoryStream();
var viewComponentContext = GetViewComponentContext(view, buffer);
var result = new JsonViewComponentResult(new { foo = "abcd" });
viewComponentContext.ViewContext.HttpContext.Response.Body = buffer;
// Act
result.Execute(viewComponentContext);
// Assert
Assert.Equal("{\"foo\":\"abcd\"}", Encoding.UTF8.GetString(buffer.ToArray()));
}
private static ViewComponentContext GetViewComponentContext(IView view, Stream stream)
{
var actionContext = new ActionContext(GetHttpContext(), new RouteData(), new ActionDescriptor());
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var viewContext = new ViewContext(
actionContext,
view,
viewData,
Mock.Of<ITempDataDictionary>(),
TextWriter.Null,
new HtmlHelperOptions());
var writer = new StreamWriter(stream) { AutoFlush = true };
var viewComponentDescriptor = new ViewComponentDescriptor()
{
Type = typeof(object),
};
var viewComponentContext = new ViewComponentContext(viewComponentDescriptor, new object[0], viewContext, writer);
return viewComponentContext;
}
private static HttpContext GetHttpContext()
{
var httpContext = new DefaultHttpContext();
var services = new ServiceCollection();
services.AddOptions();
httpContext.RequestServices = services.BuildServiceProvider();
return httpContext;
}
}
}