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#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Collections.Generic;
using System.IO;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Tests.TestObjects;
#if DNXCORE50
using Xunit;
using Test = Xunit.FactAttribute;
using Assert = Newtonsoft.Json.Tests.XUnitAssert;
#else
using NUnit.Framework;
#endif
namespace Newtonsoft.Json.Tests.Serialization
{
[TestFixture]
public class MissingMemberHandlingTests : TestFixtureBase
{
[Test]
public void MissingMemberDeserialize()
{
Product product = new Product();
product.Name = "Apple";
product.ExpiryDate = new DateTime(2008, 12, 28);
product.Price = 3.99M;
product.Sizes = new string[] { "Small", "Medium", "Large" };
string output = JsonConvert.SerializeObject(product, Formatting.Indented);
//{
// "Name": "Apple",
// "ExpiryDate": new Date(1230422400000),
// "Price": 3.99,
// "Sizes": [
// "Small",
// "Medium",
// "Large"
// ]
//}
ExceptionAssert.Throws<JsonSerializationException>(() =>
{
ProductShort deserializedProductShort = (ProductShort)JsonConvert.DeserializeObject(output, typeof(ProductShort), new JsonSerializerSettings { MissingMemberHandling = MissingMemberHandling.Error });
}, @"Could not find member 'Price' on object of type 'ProductShort'. Path 'Price', line 4, position 10.");
}
[Test]
public void MissingMemberDeserializeOkay()
{
Product product = new Product();
product.Name = "Apple";
product.ExpiryDate = new DateTime(2008, 12, 28);
product.Price = 3.99M;
product.Sizes = new string[] { "Small", "Medium", "Large" };
string output = JsonConvert.SerializeObject(product);
//{
// "Name": "Apple",
// "ExpiryDate": new Date(1230422400000),
// "Price": 3.99,
// "Sizes": [
// "Small",
// "Medium",
// "Large"
// ]
//}
JsonSerializer jsonSerializer = new JsonSerializer();
jsonSerializer.MissingMemberHandling = MissingMemberHandling.Ignore;
object deserializedValue;
using (JsonReader jsonReader = new JsonTextReader(new StringReader(output)))
{
deserializedValue = jsonSerializer.Deserialize(jsonReader, typeof(ProductShort));
}
ProductShort deserializedProductShort = (ProductShort)deserializedValue;
Assert.AreEqual("Apple", deserializedProductShort.Name);
Assert.AreEqual(new DateTime(2008, 12, 28), deserializedProductShort.ExpiryDate);
Assert.AreEqual("Small", deserializedProductShort.Sizes[0]);
Assert.AreEqual("Medium", deserializedProductShort.Sizes[1]);
Assert.AreEqual("Large", deserializedProductShort.Sizes[2]);
}
[Test]
public void MissingMemberIgnoreComplexValue()
{
JsonSerializer serializer = new JsonSerializer { MissingMemberHandling = MissingMemberHandling.Ignore };
serializer.Converters.Add(new JavaScriptDateTimeConverter());
string response = @"{""PreProperty"":1,""DateProperty"":new Date(1225962698973),""PostProperty"":2}";
MyClass myClass = (MyClass)serializer.Deserialize(new StringReader(response), typeof(MyClass));
Assert.AreEqual(1, myClass.PreProperty);
Assert.AreEqual(2, myClass.PostProperty);
}
[Test]
public void CaseInsensitive()
{
string json = @"{""height"":1}";
DoubleClass c = JsonConvert.DeserializeObject<DoubleClass>(json, new JsonSerializerSettings { MissingMemberHandling = MissingMemberHandling.Error });
Assert.AreEqual(1d, c.Height);
}
[Test]
public void MissingMemeber()
{
string json = @"{""Missing"":1}";
ExceptionAssert.Throws<JsonSerializationException>(() => { JsonConvert.DeserializeObject<DoubleClass>(json, new JsonSerializerSettings { MissingMemberHandling = MissingMemberHandling.Error }); }, "Could not find member 'Missing' on object of type 'DoubleClass'. Path 'Missing', line 1, position 11.");
}
[Test]
public void MissingJson()
{
string json = @"{}";
JsonConvert.DeserializeObject<DoubleClass>(json, new JsonSerializerSettings
{
MissingMemberHandling = MissingMemberHandling.Error
});
}
public class Name
{
public string First { get; set; }
}
public class Person
{
public Name Name { get; set; }
}
[Test]
public void MissingMemberHandling_RootObject()
{
IList<string> errors = new List<string>();
JsonSerializerSettings settings = new JsonSerializerSettings
{
//This works on properties but not on a objects property.
/* So nameERROR:{"first":"ni"} would throw. The payload name:{"firstERROR":"hi"} would not */
MissingMemberHandling = MissingMemberHandling.Error,
Error = (sender, args) =>
{
// A more concrete error type would be nice but we are limited by Newtonsofts library here.
errors.Add(args.ErrorContext.Error.Message);
args.ErrorContext.Handled = true;
}
};
Person p = new Person();
JsonConvert.PopulateObject(@"{nameERROR:{""first"":""hi""}}", p, settings);
Assert.AreEqual(1, errors.Count);
Assert.AreEqual("Could not find member 'nameERROR' on object of type 'Person'. Path 'nameERROR', line 1, position 11.", errors[0]);
}
[Test]
public void MissingMemberHandling_InnerObject()
{
IList<string> errors = new List<string>();
JsonSerializerSettings settings = new JsonSerializerSettings
{
//This works on properties but not on a objects property.
/* So nameERROR:{"first":"ni"} would throw. The payload name:{"firstERROR":"hi"} would not */
MissingMemberHandling = MissingMemberHandling.Error,
Error = (sender, args) =>
{
// A more concrete error type would be nice but we are limited by Newtonsofts library here.
errors.Add(args.ErrorContext.Error.Message);
args.ErrorContext.Handled = true;
}
};
Person p = new Person();
JsonConvert.PopulateObject(@"{name:{""firstERROR"":""hi""}}", p, settings);
Assert.AreEqual(1, errors.Count);
Assert.AreEqual("Could not find member 'firstERROR' on object of type 'Name'. Path 'name.firstERROR', line 1, position 20.", errors[0]);
}
}
}