aspnetcore/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/CreatedAtActionResultTests.cs

126 lines
4.4 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.PipelineCore.Collections;
using Microsoft.AspNet.Routing;
using Microsoft.AspNet.Testing;
using Moq;
using Xunit;
namespace Microsoft.AspNet.Mvc
{
public class CreatedAtActionResultTests
{
[Fact]
public async Task CreatedAtActionResult_ReturnsStatusCode_SetsLocationHeader()
{
// Arrange
var expectedUrl = "testAction";
var response = GetMockedHttpResponseObject();
var httpContext = GetHttpContext(response);
var actionContext = GetActionContext(httpContext);
var urlHelper = GetMockUrlHelper(expectedUrl);
// Act
var result = new CreatedAtActionResult(
actionName: expectedUrl,
controllerName: null,
routeValues: null,
value: null);
result.UrlHelper = urlHelper;
await result.ExecuteResultAsync(actionContext);
// Assert
Assert.Equal(201, response.StatusCode);
Assert.Equal(expectedUrl, response.Headers["Location"]);
}
[Fact]
public async Task CreatedAtActionResult_ThrowsOnNullUrl()
{
// Arrange
var response = GetMockedHttpResponseObject();
var httpContext = GetHttpContext(response);
var actionContext = GetActionContext(httpContext);
var urlHelper = GetMockUrlHelper(returnValue: null);
var result = new CreatedAtActionResult(
actionName: null,
controllerName: null,
routeValues: null,
value: null);
result.UrlHelper = urlHelper;
// Act & Assert
await ExceptionAssert.ThrowsAsync<InvalidOperationException>(
async () => await result.ExecuteResultAsync(actionContext),
"No route matches the supplied values.");
}
private static HttpResponse GetMockedHttpResponseObject()
{
var stream = new MemoryStream();
var httpResponse = new Mock<HttpResponse>();
httpResponse.SetupProperty(o => o.StatusCode);
httpResponse.Setup(o => o.Headers).Returns(
new HeaderDictionary(new Dictionary<string, string[]>()));
httpResponse.SetupGet(o => o.Body).Returns(stream);
return httpResponse.Object;
}
private static ActionContext GetActionContext(HttpContext httpContext)
{
var routeData = new RouteData();
routeData.Routers.Add(Mock.Of<IRouter>());
return new ActionContext(httpContext,
routeData,
new ActionDescriptor());
}
private static HttpContext GetHttpContext(HttpResponse response)
{
var httpContext = new Mock<HttpContext>();
httpContext.Setup(o => o.Response)
.Returns(response);
httpContext.Setup(o => o.RequestServices.GetService(typeof(IOutputFormattersProvider)))
.Returns(new TestOutputFormatterProvider());
httpContext.Setup(o => o.Request.PathBase)
.Returns(new PathString(""));
return httpContext.Object;
}
private static IUrlHelper GetMockUrlHelper(string returnValue)
{
var urlHelper = new Mock<IUrlHelper>();
urlHelper.Setup(o => o.Action(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<object>(),
It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>())).Returns(returnValue);
return urlHelper.Object;
}
private class TestOutputFormatterProvider : IOutputFormattersProvider
{
public IReadOnlyList<IOutputFormatter> OutputFormatters
{
get
{
return new List<IOutputFormatter>()
{
new TextPlainFormatter(),
new JsonOutputFormatter()
};
}
}
}
}
}