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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System;
using System.IO;
using System.Reflection;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
using Microsoft.Web.UnitTestUtil;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace Microsoft.Web.Mvc.Test
{
public class RenderActionTest
{
[Fact]
public void RenderActionUsingExpressionWithParametersInViewContextRendersCorrectly()
{
// Arrange
Func<RequestContext> requestContextAccessor;
HtmlHelper html = GetHtmlHelper(out requestContextAccessor);
html.ViewContext.RouteData.Values.Add("stuff", "42");
// Act
html.RenderAction<TestController>(c => c.Stuff());
RequestContext requestContext = requestContextAccessor();
// Assert
Assert.NotNull(requestContext);
Assert.Equal("Test", requestContext.RouteData.Values["controller"]);
Assert.Equal("Stuff", requestContext.RouteData.Values["action"]);
Assert.Equal("42", requestContext.RouteData.Values["stuff"]);
}
[Fact]
public void RenderActionUsingExpressionRendersCorrectly()
{
// Arrange
Func<RequestContext> requestContextAccessor;
HtmlHelper html = GetHtmlHelper(out requestContextAccessor);
// Act
html.RenderAction<TestController>(c => c.About(76));
RequestContext requestContext = requestContextAccessor();
// Assert
Assert.NotNull(requestContext);
Assert.Equal("Test", requestContext.RouteData.Values["controller"]);
Assert.Equal("About", requestContext.RouteData.Values["action"]);
Assert.Equal(76, requestContext.RouteData.Values["page"]);
}
[Fact]
public void RenderRouteWithNullRouteValueDictionaryThrowsException()
{
HtmlHelper html = MvcHelper.GetHtmlHelperWithPath(new ViewDataDictionary(), "/");
Assert.ThrowsArgumentNull(() => html.RenderRoute(null), "routeValues");
}
[Fact]
public void RenderRouteWithActionAndControllerSpecifiedRendersCorrectAction()
{
// Arrange
Func<RequestContext> requestContextAccessor;
HtmlHelper html = GetHtmlHelper(out requestContextAccessor);
// Act
html.RenderRoute(new RouteValueDictionary(new { action = "Index", controller = "Test" }));
RequestContext requestContext = requestContextAccessor();
// Assert
Assert.NotNull(requestContext);
Assert.Equal("Test", requestContext.RouteData.Values["controller"]);
Assert.Equal("Index", requestContext.RouteData.Values["action"]);
}
private static HtmlHelper GetHtmlHelper(out Func<RequestContext> requestContextAccessor)
{
RequestContext requestContext = null;
HtmlHelper html = MvcHelper.GetHtmlHelperWithPath(new ViewDataDictionary(), "/");
html.RouteCollection.MapRoute(null, "{*dummy}");
Mock.Get(html.ViewContext.HttpContext)
.Setup(o => o.Server.Execute(It.IsAny<IHttpHandler>(), It.IsAny<TextWriter>(), It.IsAny<bool>()))
.Callback<IHttpHandler, TextWriter, bool>((_h, _w, _pf) =>
{
MvcHandler mvcHandler = _h.GetType().GetProperty("InnerHandler", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(_h, null) as MvcHandler;
requestContext = mvcHandler.RequestContext;
});
requestContextAccessor = () => requestContext;
return html;
}
public class TestController : Controller
{
public string Index()
{
return "It Worked!";
}
public string About(int page)
{
return "This is page #" + page;
}
public string Stuff()
{
string stuff = ControllerContext.RouteData.Values["stuff"] as string;
return "Argument was " + stuff;
}
}
}
}
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