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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Text;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class JsonResultTest
{
private static readonly object _jsonData = new object[] { 1, 2, "three", "four" };
private static readonly string _jsonSerializedData = "[1,2,\"three\",\"four\"]";
[Fact]
public void PropertyDefaults()
{
// Act
JsonResult result = new JsonResult();
// Assert
Assert.Null(result.Data);
Assert.Null(result.ContentEncoding);
Assert.Null(result.ContentType);
Assert.Null(result.MaxJsonLength);
Assert.Null(result.RecursionLimit);
Assert.Equal(JsonRequestBehavior.DenyGet, result.JsonRequestBehavior);
}
[Fact]
public void EmptyContentTypeRendersDefault()
{
// Arrange
object data = _jsonData;
Encoding contentEncoding = Encoding.UTF8;
// Arrange expectations
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>(MockBehavior.Strict);
mockControllerContext.SetupGet(c => c.HttpContext.Request.HttpMethod).Returns("POST").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = "application/json").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentEncoding = contentEncoding).Verifiable();
mockControllerContext.Setup(c => c.HttpContext.Response.Write(_jsonSerializedData)).Verifiable();
JsonResult result = new JsonResult
{
Data = data,
ContentType = String.Empty,
ContentEncoding = contentEncoding
};
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
mockControllerContext.Verify();
}
[Fact]
public void ExecuteResult()
{
// Arrange
object data = _jsonData;
string contentType = "Some content type.";
Encoding contentEncoding = Encoding.UTF8;
// Arrange expectations
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>(MockBehavior.Strict);
mockControllerContext.SetupGet(c => c.HttpContext.Request.HttpMethod).Returns("POST").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = contentType).Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentEncoding = contentEncoding).Verifiable();
mockControllerContext.Setup(c => c.HttpContext.Response.Write(_jsonSerializedData)).Verifiable();
JsonResult result = new JsonResult
{
Data = data,
ContentType = contentType,
ContentEncoding = contentEncoding
};
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
mockControllerContext.Verify();
}
[Fact]
public void ExecuteResultWithNullContextThrows()
{
Assert.ThrowsArgumentNull(
delegate { new JsonResult().ExecuteResult(null /* context */); }, "context");
}
[Fact]
public void NullContentIsNotOutput()
{
// Arrange
string contentType = "Some content type.";
Encoding contentEncoding = Encoding.UTF8;
// Arrange expectations
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.SetupGet(c => c.HttpContext.Request.HttpMethod).Returns("POST").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = contentType).Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentEncoding = contentEncoding).Verifiable();
JsonResult result = new JsonResult
{
ContentType = contentType,
ContentEncoding = contentEncoding
};
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
mockControllerContext.Verify();
}
[Fact]
public void NullContentEncodingIsNotOutput()
{
// Arrange
object data = _jsonData;
string contentType = "Some content type.";
// Arrange expectations
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>(MockBehavior.Strict);
mockControllerContext.SetupGet(c => c.HttpContext.Request.HttpMethod).Returns("POST").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = contentType).Verifiable();
mockControllerContext.Setup(c => c.HttpContext.Response.Write(_jsonSerializedData)).Verifiable();
JsonResult result = new JsonResult
{
Data = data,
ContentType = contentType,
};
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
mockControllerContext.Verify();
}
[Fact]
public void NullContentTypeRendersDefault()
{
// Arrange
object data = _jsonData;
Encoding contentEncoding = Encoding.UTF8;
// Arrange expectations
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>(MockBehavior.Strict);
mockControllerContext.SetupGet(c => c.HttpContext.Request.HttpMethod).Returns("POST").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = "application/json").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentEncoding = contentEncoding).Verifiable();
mockControllerContext.Setup(c => c.HttpContext.Response.Write(_jsonSerializedData)).Verifiable();
JsonResult result = new JsonResult
{
Data = data,
ContentEncoding = contentEncoding
};
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
mockControllerContext.Verify();
}
[Fact]
public void NullMaxJsonLengthDefaultIsUsed()
{
// Arrange
string data = new String('1', 2100000);
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.SetupGet(c => c.HttpContext.Request.HttpMethod).Returns("POST").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = "application/json").Verifiable();
JsonResult result = new JsonResult
{
Data = data
};
// Act & Assert
Assert.Throws<InvalidOperationException>(
() => result.ExecuteResult(mockControllerContext.Object),
"Error during serialization or deserialization using the JSON JavaScriptSerializer. The length of the string exceeds the value set on the maxJsonLength property.");
}
[Fact]
public void MaxJsonLengthIsPassedToSerializer()
{
// Arrange
string data = new String('1', 2100000);
string jsonData = "\"" + data + "\"";
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.SetupGet(c => c.HttpContext.Request.HttpMethod).Returns("POST").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = "application/json").Verifiable();
mockControllerContext.Setup(c => c.HttpContext.Response.Write(jsonData)).Verifiable();
JsonResult result = new JsonResult
{
Data = data,
MaxJsonLength = 2200000
};
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
mockControllerContext.Verify();
}
[Fact]
public void RecursionLimitIsPassedToSerilizer()
{
// Arrange
Tuple<string, Tuple<string, Tuple<string, string>>> data =
new Tuple<string, Tuple<string, Tuple<string, string>>>("key1",
new Tuple<string, Tuple<string, string>>("key2",
new Tuple<string, string>("key3", "value")
)
);
string jsonData = "{\"Item1\":\"key1\",\"Item2\":{\"Item1\":\"key2\",\"Item2\":{\"Item1\":\"key3\",\"Item2\":\"value\"}}}";
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.SetupGet(c => c.HttpContext.Request.HttpMethod).Returns("POST").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = "application/json").Verifiable();
mockControllerContext.Setup(c => c.HttpContext.Response.Write(jsonData)).Verifiable();
JsonResult result = new JsonResult
{
Data = data,
RecursionLimit = 2
};
// Act & Assert
Assert.Throws<ArgumentException>(
() => result.ExecuteResult(mockControllerContext.Object),
"RecursionLimit exceeded.");
}
[Fact]
public void NullRecursionLimitDefaultIsUsed()
{
// Arrange
Tuple<string, Tuple<string, Tuple<string, string>>> data =
new Tuple<string, Tuple<string, Tuple<string, string>>>("key1",
new Tuple<string, Tuple<string, string>>("key2",
new Tuple<string, string>("key3", "value")
)
);
string jsonData = "{\"Item1\":\"key1\",\"Item2\":{\"Item1\":\"key2\",\"Item2\":{\"Item1\":\"key3\",\"Item2\":\"value\"}}}";
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.SetupGet(c => c.HttpContext.Request.HttpMethod).Returns("POST").Verifiable();
mockControllerContext.SetupSet(c => c.HttpContext.Response.ContentType = "application/json").Verifiable();
mockControllerContext.Setup(c => c.HttpContext.Response.Write(jsonData)).Verifiable();
JsonResult result = new JsonResult
{
Data = data
};
// Act
result.ExecuteResult(mockControllerContext.Object);
// Assert
mockControllerContext.Verify();
}
[Fact]
public void GetRequestBlocked()
{
// Arrange expectations
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>(MockBehavior.Strict);
mockControllerContext.SetupGet(c => c.HttpContext.Request.HttpMethod).Returns("GET").Verifiable();
JsonResult result = new JsonResult();
// Act & Assert
Assert.Throws<InvalidOperationException>(
() => result.ExecuteResult(mockControllerContext.Object),
"This request has been blocked because sensitive information could be disclosed to third party web sites when this is used in a GET request. To allow GET requests, set JsonRequestBehavior to AllowGet.");
mockControllerContext.Verify();
}
}
}
|
