974 lines
35 KiB
C#
974 lines
35 KiB
C#
#region License
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// Copyright (c) 2007 James Newton-King
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Runtime.Serialization;
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using System.Text;
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using Newtonsoft.Json.Converters;
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using Newtonsoft.Json.Serialization;
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using Newtonsoft.Json.Tests.TestObjects;
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#if NET20
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using Newtonsoft.Json.Utilities.LinqBridge;
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#else
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using System.Linq;
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#endif
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#if NETFX_CORE
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using Microsoft.VisualStudio.TestPlatform.UnitTestFramework;
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using TestFixture = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestClassAttribute;
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using Test = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestMethodAttribute;
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#elif DNXCORE50
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using Xunit;
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using Test = Xunit.FactAttribute;
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using Assert = Newtonsoft.Json.Tests.XUnitAssert;
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#else
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using NUnit.Framework;
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#endif
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using System.IO;
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using ErrorEventArgs = Newtonsoft.Json.Serialization.ErrorEventArgs;
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namespace Newtonsoft.Json.Tests.Serialization
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{
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[TestFixture]
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public class SerializationErrorHandlingTests : TestFixtureBase
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{
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[Test]
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public void ErrorDeserializingListHandled()
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{
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string json = @"[
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{
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""Name"": ""Jim"",
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""BirthDate"": ""\/Date(978048000000)\/"",
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""LastModified"": ""\/Date(978048000000)\/""
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},
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{
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""Name"": ""Jim"",
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""BirthDate"": ""\/Date(978048000000)\/"",
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""LastModified"": ""\/Date(978048000000)\/""
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}
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]";
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var possibleMsgs = new [] {
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"[1] - Error message for member 1 = An item with the same key has already been added.",
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"[1] - Error message for member 1 = An element with the same key already exists in the dictionary." // mono
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};
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VersionKeyedCollection c = JsonConvert.DeserializeObject<VersionKeyedCollection>(json);
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Assert.AreEqual(1, c.Count);
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Assert.AreEqual(1, c.Messages.Count);
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Assert.IsTrue (possibleMsgs.Any (m => m == c.Messages[0]), "Expected One of: " + Environment.NewLine + string.Join (Environment.NewLine, possibleMsgs) + Environment.NewLine + "Was: " + Environment.NewLine + c.Messages[0]);
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}
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[Test]
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public void DeserializingErrorInChildObject()
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{
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ListErrorObjectCollection c = JsonConvert.DeserializeObject<ListErrorObjectCollection>(@"[
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{
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""Member"": ""Value1"",
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""Member2"": null
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},
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{
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""Member"": ""Value2""
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},
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{
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""ThrowError"": ""Value"",
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""Object"": {
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""Array"": [
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1,
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2
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]
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}
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},
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{
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""ThrowError"": ""Handle this!"",
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""Member"": ""Value3""
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}
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]");
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Assert.AreEqual(3, c.Count);
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Assert.AreEqual("Value1", c[0].Member);
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Assert.AreEqual("Value2", c[1].Member);
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Assert.AreEqual("Value3", c[2].Member);
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Assert.AreEqual("Handle this!", c[2].ThrowError);
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}
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[Test]
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public void SerializingErrorIn3DArray()
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{
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ListErrorObject[,,] c = new ListErrorObject[,,]
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{
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{
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{
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new ListErrorObject
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{
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Member = "Value1",
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ThrowError = "Handle this!",
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Member2 = "Member1"
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},
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new ListErrorObject
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{
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Member = "Value2",
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Member2 = "Member2"
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},
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new ListErrorObject
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{
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Member = "Value3",
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ThrowError = "Handle that!",
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Member2 = "Member3"
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}
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},
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{
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new ListErrorObject
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{
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Member = "Value1",
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ThrowError = "Handle this!",
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Member2 = "Member1"
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},
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new ListErrorObject
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{
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Member = "Value2",
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Member2 = "Member2"
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},
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new ListErrorObject
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{
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Member = "Value3",
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ThrowError = "Handle that!",
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Member2 = "Member3"
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}
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}
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}
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};
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string json = JsonConvert.SerializeObject(c, new JsonSerializerSettings
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{
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Formatting = Formatting.Indented,
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Error = (s, e) =>
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{
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if (e.CurrentObject.GetType().IsArray)
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e.ErrorContext.Handled = true;
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}
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});
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StringAssert.AreEqual(@"[
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[
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[
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{
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""Member"": ""Value1"",
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""ThrowError"": ""Handle this!"",
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""Member2"": ""Member1""
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},
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{
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""Member"": ""Value2""
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},
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{
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""Member"": ""Value3"",
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""ThrowError"": ""Handle that!"",
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""Member2"": ""Member3""
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}
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],
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[
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{
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""Member"": ""Value1"",
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""ThrowError"": ""Handle this!"",
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""Member2"": ""Member1""
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},
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{
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""Member"": ""Value2""
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},
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{
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""Member"": ""Value3"",
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""ThrowError"": ""Handle that!"",
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""Member2"": ""Member3""
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}
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]
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]
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]", json);
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}
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[Test]
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public void SerializingErrorInChildObject()
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{
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ListErrorObjectCollection c = new ListErrorObjectCollection
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{
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new ListErrorObject
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{
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Member = "Value1",
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ThrowError = "Handle this!",
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Member2 = "Member1"
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},
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new ListErrorObject
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{
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Member = "Value2",
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Member2 = "Member2"
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},
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new ListErrorObject
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{
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Member = "Value3",
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ThrowError = "Handle that!",
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Member2 = "Member3"
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}
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};
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string json = JsonConvert.SerializeObject(c, Formatting.Indented);
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StringAssert.AreEqual(@"[
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{
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""Member"": ""Value1"",
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""ThrowError"": ""Handle this!"",
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""Member2"": ""Member1""
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},
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{
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""Member"": ""Value2""
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},
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{
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""Member"": ""Value3"",
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""ThrowError"": ""Handle that!"",
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""Member2"": ""Member3""
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}
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]", json);
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}
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[Test]
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public void DeserializingErrorInDateTimeCollection()
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{
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DateTimeErrorObjectCollection c = JsonConvert.DeserializeObject<DateTimeErrorObjectCollection>(@"[
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""2009-09-09T00:00:00Z"",
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""kjhkjhkjhkjh"",
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[
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1
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],
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""1977-02-20T00:00:00Z"",
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null,
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""2000-12-01T00:00:00Z""
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]", new IsoDateTimeConverter());
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Assert.AreEqual(3, c.Count);
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Assert.AreEqual(new DateTime(2009, 9, 9, 0, 0, 0, DateTimeKind.Utc), c[0]);
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Assert.AreEqual(new DateTime(1977, 2, 20, 0, 0, 0, DateTimeKind.Utc), c[1]);
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Assert.AreEqual(new DateTime(2000, 12, 1, 0, 0, 0, DateTimeKind.Utc), c[2]);
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}
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[Test]
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public void DeserializingErrorHandlingUsingEvent()
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{
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List<string> errors = new List<string>();
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JsonSerializer serializer = JsonSerializer.Create(new JsonSerializerSettings
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{
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Error = delegate(object sender, ErrorEventArgs args)
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{
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errors.Add(args.ErrorContext.Path + " - " + args.ErrorContext.Member + " - " + args.ErrorContext.Error.Message);
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args.ErrorContext.Handled = true;
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},
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Converters = { new IsoDateTimeConverter() }
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});
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var c = serializer.Deserialize<List<DateTime>>(new JsonTextReader(new StringReader(@"[
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""2009-09-09T00:00:00Z"",
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""I am not a date and will error!"",
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[
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1
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],
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""1977-02-20T00:00:00Z"",
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null,
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""2000-12-01T00:00:00Z""
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]")));
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// 2009-09-09T00:00:00Z
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// 1977-02-20T00:00:00Z
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// 2000-12-01T00:00:00Z
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// The string was not recognized as a valid DateTime. There is a unknown word starting at index 0.
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// Unexpected token parsing date. Expected String, got StartArray.
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// Cannot convert null value to System.DateTime.
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Assert.AreEqual(3, c.Count);
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Assert.AreEqual(new DateTime(2009, 9, 9, 0, 0, 0, DateTimeKind.Utc), c[0]);
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Assert.AreEqual(new DateTime(1977, 2, 20, 0, 0, 0, DateTimeKind.Utc), c[1]);
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Assert.AreEqual(new DateTime(2000, 12, 1, 0, 0, 0, DateTimeKind.Utc), c[2]);
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Assert.AreEqual(3, errors.Count);
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#if !(NET20 || NET35)
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var possibleErrs = new [] {
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"[1] - 1 - The string was not recognized as a valid DateTime. There is an unknown word starting at index 0.",
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"[1] - 1 - String was not recognized as a valid DateTime."
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};
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Assert.IsTrue(possibleErrs.Any (m => m == errors[0]),
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"Expected One of: " + string.Join (Environment.NewLine, possibleErrs) + Environment.NewLine + "But was: " + errors[0]);
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#else
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Assert.AreEqual("[1] - 1 - The string was not recognized as a valid DateTime. There is a unknown word starting at index 0.", errors[0]);
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#endif
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Assert.AreEqual("[2] - 2 - Unexpected token parsing date. Expected String, got StartArray. Path '[2]', line 4, position 10.", errors[1]);
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Assert.AreEqual("[4] - 4 - Cannot convert null value to System.DateTime. Path '[4]', line 8, position 13.", errors[2]);
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}
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[Test]
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public void DeserializingErrorInDateTimeCollectionWithAttributeWithEventNotCalled()
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{
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bool eventErrorHandlerCalled = false;
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DateTimeErrorObjectCollection c = JsonConvert.DeserializeObject<DateTimeErrorObjectCollection>(
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@"[
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""2009-09-09T00:00:00Z"",
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""kjhkjhkjhkjh"",
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[
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1
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],
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""1977-02-20T00:00:00Z"",
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null,
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""2000-12-01T00:00:00Z""
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]",
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new JsonSerializerSettings
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{
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Error = (s, a) => eventErrorHandlerCalled = true,
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Converters =
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{
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new IsoDateTimeConverter()
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}
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});
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Assert.AreEqual(3, c.Count);
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Assert.AreEqual(new DateTime(2009, 9, 9, 0, 0, 0, DateTimeKind.Utc), c[0]);
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Assert.AreEqual(new DateTime(1977, 2, 20, 0, 0, 0, DateTimeKind.Utc), c[1]);
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Assert.AreEqual(new DateTime(2000, 12, 1, 0, 0, 0, DateTimeKind.Utc), c[2]);
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Assert.AreEqual(false, eventErrorHandlerCalled);
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}
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[Test]
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public void SerializePerson()
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{
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PersonError person = new PersonError
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{
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Name = "George Michael Bluth",
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Age = 16,
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Roles = null,
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Title = "Mister Manager"
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};
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string json = JsonConvert.SerializeObject(person, Formatting.Indented);
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StringAssert.AreEqual(@"{
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""Name"": ""George Michael Bluth"",
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""Age"": 16,
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""Title"": ""Mister Manager""
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}", json);
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}
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[Test]
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public void DeserializeNestedUnhandled()
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{
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List<string> errors = new List<string>();
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string json = @"[[""kjhkjhkjhkjh""]]";
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Exception e = null;
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try
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{
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JsonSerializer serializer = new JsonSerializer();
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serializer.Error += delegate(object sender, ErrorEventArgs args)
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{
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// only log an error once
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if (args.CurrentObject == args.ErrorContext.OriginalObject)
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errors.Add(args.ErrorContext.Path + " - " + args.ErrorContext.Member + " - " + args.ErrorContext.Error.Message);
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};
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serializer.Deserialize(new StringReader(json), typeof(List<List<DateTime>>));
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}
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catch (Exception ex)
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{
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e = ex;
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}
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Assert.AreEqual(@"Could not convert string to DateTime: kjhkjhkjhkjh. Path '[0][0]', line 1, position 16.", e.Message);
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Assert.AreEqual(1, errors.Count);
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Assert.AreEqual(@"[0][0] - 0 - Could not convert string to DateTime: kjhkjhkjhkjh. Path '[0][0]', line 1, position 16.", errors[0]);
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}
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[Test]
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public void MultipleRequiredPropertyErrors()
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{
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string json = "{}";
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List<string> errors = new List<string>();
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JsonSerializer serializer = new JsonSerializer();
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serializer.MetadataPropertyHandling = MetadataPropertyHandling.Default;
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serializer.Error += delegate(object sender, ErrorEventArgs args)
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{
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errors.Add(args.ErrorContext.Path + " - " + args.ErrorContext.Member + " - " + args.ErrorContext.Error.Message);
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args.ErrorContext.Handled = true;
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};
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serializer.Deserialize(new JsonTextReader(new StringReader(json)), typeof(MyTypeWithRequiredMembers));
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Assert.AreEqual(2, errors.Count);
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Assert.IsTrue(errors[0].StartsWith(" - Required1 - Required property 'Required1' not found in JSON. Path '', line 1, position 2."));
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Assert.IsTrue(errors[1].StartsWith(" - Required2 - Required property 'Required2' not found in JSON. Path '', line 1, position 2."));
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}
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[Test]
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public void HandlingArrayErrors()
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{
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string json = "[\"a\",\"b\",\"45\",34]";
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List<string> errors = new List<string>();
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JsonSerializer serializer = new JsonSerializer();
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serializer.Error += delegate(object sender, ErrorEventArgs args)
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{
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errors.Add(args.ErrorContext.Path + " - " + args.ErrorContext.Member + " - " + args.ErrorContext.Error.Message);
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args.ErrorContext.Handled = true;
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};
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serializer.Deserialize(new JsonTextReader(new StringReader(json)), typeof(int[]));
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Assert.AreEqual(2, errors.Count);
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Assert.AreEqual("[0] - 0 - Could not convert string to integer: a. Path '[0]', line 1, position 4.", errors[0]);
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Assert.AreEqual("[1] - 1 - Could not convert string to integer: b. Path '[1]', line 1, position 8.", errors[1]);
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}
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[Test]
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public void HandlingMultidimensionalArrayErrors()
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{
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string json = "[[\"a\",\"45\"],[\"b\",34]]";
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List<string> errors = new List<string>();
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JsonSerializer serializer = new JsonSerializer();
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serializer.Error += delegate(object sender, ErrorEventArgs args)
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{
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errors.Add(args.ErrorContext.Path + " - " + args.ErrorContext.Member + " - " + args.ErrorContext.Error.Message);
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args.ErrorContext.Handled = true;
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};
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serializer.Deserialize(new JsonTextReader(new StringReader(json)), typeof(int[,]));
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Assert.AreEqual(2, errors.Count);
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Assert.AreEqual("[0][0] - 0 - Could not convert string to integer: a. Path '[0][0]', line 1, position 5.", errors[0]);
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Assert.AreEqual("[1][0] - 0 - Could not convert string to integer: b. Path '[1][0]', line 1, position 16.", errors[1]);
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}
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|
[Test]
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public void ErrorHandlingAndAvoidingRecursiveDepthError()
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{
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string json = "{'A':{'A':{'A':{'A':{'A':{}}}}}}";
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JsonSerializer serializer = new JsonSerializer() { };
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IList<string> errors = new List<string>();
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serializer.Error += (sender, e) =>
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{
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e.ErrorContext.Handled = true;
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errors.Add(e.ErrorContext.Path);
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};
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serializer.Deserialize<Nest>(new JsonTextReader(new StringReader(json)) { MaxDepth = 3 });
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Assert.AreEqual(1, errors.Count);
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Assert.AreEqual("A.A.A", errors[0]);
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}
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|
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public class Nest
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{
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public Nest A { get; set; }
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}
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|
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[Test]
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public void InfiniteErrorHandlingLoopFromInputError()
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{
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IList<string> errors = new List<string>();
|
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JsonSerializer serializer = new JsonSerializer();
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serializer.Error += (sender, e) =>
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{
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errors.Add(e.ErrorContext.Error.Message);
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e.ErrorContext.Handled = true;
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};
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ErrorPerson[] result = serializer.Deserialize<ErrorPerson[]>(new JsonTextReader(new ThrowingReader()));
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Assert.IsNull(result);
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Assert.AreEqual(3, errors.Count);
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Assert.AreEqual("too far", errors[0]);
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Assert.AreEqual("too far", errors[1]);
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Assert.AreEqual("Infinite loop detected from error handling. Path '[1023]', line 1, position 65536.", errors[2]);
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}
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|
|
[Test]
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public void InfiniteLoopArrayHandling()
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|
{
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IList<string> errors = new List<string>();
|
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|
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object o = JsonConvert.DeserializeObject(
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"[0,x]",
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typeof(int[]),
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new JsonSerializerSettings
|
|
{
|
|
Error = (sender, arg) =>
|
|
{
|
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errors.Add(arg.ErrorContext.Error.Message);
|
|
arg.ErrorContext.Handled = true;
|
|
}
|
|
});
|
|
|
|
Assert.IsNull(o);
|
|
|
|
Assert.AreEqual(3, errors.Count);
|
|
Assert.AreEqual("Unexpected character encountered while parsing value: x. Path '[0]', line 1, position 3.", errors[0]);
|
|
Assert.AreEqual("Unexpected character encountered while parsing value: x. Path '[0]', line 1, position 3.", errors[1]);
|
|
Assert.AreEqual("Infinite loop detected from error handling. Path '[0]', line 1, position 3.", errors[2]);
|
|
}
|
|
|
|
[Test]
|
|
public void InfiniteLoopArrayHandlingInObject()
|
|
{
|
|
IList<string> errors = new List<string>();
|
|
|
|
Dictionary<string, int[]> o = JsonConvert.DeserializeObject<Dictionary<string, int[]>>(
|
|
"{'badarray':[0,x,2],'goodarray':[0,1,2]}",
|
|
new JsonSerializerSettings
|
|
{
|
|
MetadataPropertyHandling = MetadataPropertyHandling.Default,
|
|
Error = (sender, arg) =>
|
|
{
|
|
errors.Add(arg.ErrorContext.Error.Message);
|
|
arg.ErrorContext.Handled = true;
|
|
}
|
|
});
|
|
|
|
Assert.IsNull(o);
|
|
|
|
Assert.AreEqual(4, errors.Count);
|
|
Assert.AreEqual("Unexpected character encountered while parsing value: x. Path 'badarray[0]', line 1, position 15.", errors[0]);
|
|
Assert.AreEqual("Unexpected character encountered while parsing value: x. Path 'badarray[0]', line 1, position 15.", errors[1]);
|
|
Assert.AreEqual("Infinite loop detected from error handling. Path 'badarray[0]', line 1, position 15.", errors[2]);
|
|
Assert.AreEqual("Unexpected character encountered while parsing value: x. Path 'badarray[0]', line 1, position 15.", errors[3]);
|
|
}
|
|
|
|
[Test]
|
|
public void ErrorHandlingEndOfContent()
|
|
{
|
|
IList<string> errors = new List<string>();
|
|
|
|
const string input = "{\"events\":[{\"code\":64411},{\"code\":64411,\"prio";
|
|
|
|
const int maxDepth = 256;
|
|
using (var jsonTextReader = new JsonTextReader(new StringReader(input)) { MaxDepth = maxDepth })
|
|
{
|
|
JsonSerializer jsonSerializer = JsonSerializer.Create(new JsonSerializerSettings
|
|
{
|
|
MaxDepth = maxDepth,
|
|
MetadataPropertyHandling = MetadataPropertyHandling.Default
|
|
});
|
|
jsonSerializer.Error += (sender, e) =>
|
|
{
|
|
errors.Add(e.ErrorContext.Error.Message);
|
|
e.ErrorContext.Handled = true;
|
|
};
|
|
|
|
LogMessage logMessage = jsonSerializer.Deserialize<LogMessage>(jsonTextReader);
|
|
|
|
Assert.IsNotNull(logMessage.Events);
|
|
Assert.AreEqual(1, logMessage.Events.Count);
|
|
Assert.AreEqual("64411", logMessage.Events[0].Code);
|
|
}
|
|
|
|
Assert.AreEqual(3, errors.Count);
|
|
Assert.AreEqual(@"Unterminated string. Expected delimiter: "". Path 'events[1].code', line 1, position 45.", errors[0]);
|
|
Assert.AreEqual(@"Unexpected end when deserializing array. Path 'events[1].code', line 1, position 45.", errors[1]);
|
|
Assert.AreEqual(@"Unexpected end when deserializing object. Path 'events[1].code', line 1, position 45.", errors[2]);
|
|
}
|
|
|
|
[Test]
|
|
public void ErrorHandlingEndOfContentDictionary()
|
|
{
|
|
IList<string> errors = new List<string>();
|
|
|
|
const string input = "{\"events\":{\"code\":64411},\"events2\":{\"code\":64412,";
|
|
|
|
const int maxDepth = 256;
|
|
using (var jsonTextReader = new JsonTextReader(new StringReader(input)) { MaxDepth = maxDepth })
|
|
{
|
|
JsonSerializer jsonSerializer = JsonSerializer.Create(new JsonSerializerSettings { MaxDepth = maxDepth, MetadataPropertyHandling = MetadataPropertyHandling.Default });
|
|
jsonSerializer.Error += (sender, e) =>
|
|
{
|
|
errors.Add(e.ErrorContext.Error.Message);
|
|
e.ErrorContext.Handled = true;
|
|
};
|
|
|
|
IDictionary<string, LogEvent> logEvents = jsonSerializer.Deserialize<IDictionary<string, LogEvent>>(jsonTextReader);
|
|
|
|
Assert.IsNotNull(logEvents);
|
|
Assert.AreEqual(2, logEvents.Count);
|
|
Assert.AreEqual("64411", logEvents["events"].Code);
|
|
Assert.AreEqual("64412", logEvents["events2"].Code);
|
|
}
|
|
|
|
Assert.AreEqual(2, errors.Count);
|
|
Assert.AreEqual(@"Unexpected end when deserializing object. Path 'events2.code', line 1, position 49.", errors[0]);
|
|
Assert.AreEqual(@"Unexpected end when deserializing object. Path 'events2.code', line 1, position 49.", errors[1]);
|
|
}
|
|
|
|
#if !(NET35 || NET20 || PORTABLE40)
|
|
[Test]
|
|
public void ErrorHandlingEndOfContentDynamic()
|
|
{
|
|
IList<string> errors = new List<string>();
|
|
|
|
string json = @"{
|
|
""Explicit"": true,
|
|
""Decimal"": 99.9,
|
|
""Int"": 1,
|
|
""ChildObject"": {
|
|
""Integer"": 123";
|
|
|
|
TestDynamicObject newDynamicObject = JsonConvert.DeserializeObject<TestDynamicObject>(json, new JsonSerializerSettings
|
|
{
|
|
Error = (sender, e) =>
|
|
{
|
|
errors.Add(e.ErrorContext.Error.Message);
|
|
e.ErrorContext.Handled = true;
|
|
},
|
|
MetadataPropertyHandling = MetadataPropertyHandling.Default
|
|
});
|
|
Assert.AreEqual(true, newDynamicObject.Explicit);
|
|
|
|
dynamic d = newDynamicObject;
|
|
|
|
Assert.AreEqual(99.9, d.Decimal);
|
|
Assert.AreEqual(1, d.Int);
|
|
Assert.AreEqual(123, d.ChildObject.Integer);
|
|
|
|
Assert.AreEqual(2, errors.Count);
|
|
Assert.AreEqual(@"Unexpected end when deserializing object. Path 'ChildObject.Integer', line 6, position 19.", errors[0]);
|
|
Assert.AreEqual(@"Unexpected end when deserializing object. Path 'ChildObject.Integer', line 6, position 19.", errors[1]);
|
|
}
|
|
#endif
|
|
|
|
[Test]
|
|
public void WriteEndOnPropertyState()
|
|
{
|
|
JsonSerializerSettings settings = new JsonSerializerSettings();
|
|
settings.Error += (obj, args) => { args.ErrorContext.Handled = true; };
|
|
|
|
var data = new List<ErrorPerson2>()
|
|
{
|
|
new ErrorPerson2 { FirstName = "Scott", LastName = "Hanselman" },
|
|
new ErrorPerson2 { FirstName = "Scott", LastName = "Hunter" },
|
|
new ErrorPerson2 { FirstName = "Scott", LastName = "Guthrie" },
|
|
};
|
|
|
|
Dictionary<string, IEnumerable<IErrorPerson2>> dictionary = data.GroupBy(person => person.FirstName).ToDictionary(group => @group.Key, group => @group.Cast<IErrorPerson2>());
|
|
string output = JsonConvert.SerializeObject(dictionary, Formatting.None, settings);
|
|
Assert.AreEqual(@"{""Scott"":[]}", output);
|
|
}
|
|
|
|
[Test]
|
|
public void WriteEndOnPropertyState2()
|
|
{
|
|
JsonSerializerSettings settings = new JsonSerializerSettings();
|
|
settings.Error += (obj, args) => { args.ErrorContext.Handled = true; };
|
|
|
|
var data = new List<ErrorPerson2>
|
|
{
|
|
new ErrorPerson2 { FirstName = "Scott", LastName = "Hanselman" },
|
|
new ErrorPerson2 { FirstName = "Scott", LastName = "Hunter" },
|
|
new ErrorPerson2 { FirstName = "Scott", LastName = "Guthrie" },
|
|
new ErrorPerson2 { FirstName = "James", LastName = "Newton-King" },
|
|
};
|
|
|
|
Dictionary<string, IEnumerable<IErrorPerson2>> dictionary = data.GroupBy(person => person.FirstName).ToDictionary(group => @group.Key, group => @group.Cast<IErrorPerson2>());
|
|
string output = JsonConvert.SerializeObject(dictionary, Formatting.None, settings);
|
|
|
|
Assert.AreEqual(@"{""Scott"":[],""James"":[]}", output);
|
|
}
|
|
|
|
[Test]
|
|
public void NoObjectWithEvent()
|
|
{
|
|
string json = "{\"}";
|
|
byte[] byteArray = Encoding.UTF8.GetBytes(json);
|
|
MemoryStream stream = new MemoryStream(byteArray);
|
|
JsonTextReader jReader = new JsonTextReader(new StreamReader(stream));
|
|
JsonSerializer s = new JsonSerializer();
|
|
s.Error += (sender, args) => { args.ErrorContext.Handled = true; };
|
|
ErrorPerson2 obj = s.Deserialize<ErrorPerson2>(jReader);
|
|
|
|
Assert.IsNull(obj);
|
|
}
|
|
|
|
[Test]
|
|
public void NoObjectWithAttribute()
|
|
{
|
|
string json = "{\"}";
|
|
byte[] byteArray = Encoding.UTF8.GetBytes(json);
|
|
MemoryStream stream = new MemoryStream(byteArray);
|
|
JsonTextReader jReader = new JsonTextReader(new StreamReader(stream));
|
|
JsonSerializer s = new JsonSerializer();
|
|
|
|
ExceptionAssert.Throws<JsonReaderException>(() => { ErrorTestObject obj = s.Deserialize<ErrorTestObject>(jReader); }, @"Unterminated string. Expected delimiter: "". Path '', line 1, position 3.");
|
|
}
|
|
|
|
public class RootThing
|
|
{
|
|
public Something Something { get; set; }
|
|
}
|
|
|
|
public class RootSomethingElse
|
|
{
|
|
public SomethingElse SomethingElse { get; set; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// This could be an object we are passing up in an interface.
|
|
/// </summary>
|
|
[JsonConverter(typeof(SomethingConverter))]
|
|
public class Something
|
|
{
|
|
public class SomethingConverter : JsonConverter
|
|
{
|
|
public override bool CanConvert(Type objectType)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
|
|
{
|
|
try
|
|
{
|
|
// Do own stuff.
|
|
// Then call deserialise for inner object.
|
|
var innerObject = serializer.Deserialize(reader, typeof(SomethingElse));
|
|
|
|
return null;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
// If we get an error wrap it in something less scary.
|
|
throw new Exception("An error occurred.", ex);
|
|
}
|
|
}
|
|
|
|
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
|
|
{
|
|
try
|
|
{
|
|
Something s = (Something)value;
|
|
|
|
// Do own stuff.
|
|
// Then call serialise for inner object.
|
|
serializer.Serialize(writer, s.RootSomethingElse);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
// If we get an error wrap it in something less scary.
|
|
throw new Exception("An error occurred.", ex);
|
|
}
|
|
}
|
|
}
|
|
|
|
public RootSomethingElse RootSomethingElse { get; set; }
|
|
|
|
public Something()
|
|
{
|
|
this.RootSomethingElse = new RootSomethingElse();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// This is an object that is contained in the interface object.
|
|
/// </summary>
|
|
[JsonConverter(typeof(SomethingElseConverter))]
|
|
public class SomethingElse
|
|
{
|
|
public class SomethingElseConverter : JsonConverter
|
|
{
|
|
public override bool CanConvert(Type objectType)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
[Test]
|
|
public void DeserializeWrappingErrorsAndErrorHandling()
|
|
{
|
|
var serialiser = JsonSerializer.Create(new JsonSerializerSettings() { });
|
|
|
|
string foo = "{ something: { rootSomethingElse { somethingElse: 0 } } }";
|
|
var reader = new System.IO.StringReader(foo);
|
|
|
|
ExceptionAssert.Throws<Exception>(() => { serialiser.Deserialize(reader, typeof(Something)); }, "An error occurred.");
|
|
}
|
|
|
|
[Test]
|
|
public void SerializeWrappingErrorsAndErrorHandling()
|
|
{
|
|
var serialiser = JsonSerializer.Create(new JsonSerializerSettings() { });
|
|
|
|
Something s = new Something
|
|
{
|
|
RootSomethingElse = new RootSomethingElse
|
|
{
|
|
SomethingElse = new SomethingElse()
|
|
}
|
|
};
|
|
RootThing r = new RootThing
|
|
{
|
|
Something = s
|
|
};
|
|
|
|
var writer = new System.IO.StringWriter();
|
|
|
|
ExceptionAssert.Throws<Exception>(() => { serialiser.Serialize(writer, r); }, "An error occurred.");
|
|
}
|
|
|
|
[Test]
|
|
public void DeserializeRootConverter()
|
|
{
|
|
SomethingElse result = JsonConvert.DeserializeObject<SomethingElse>("{}", new JsonSerializerSettings
|
|
{
|
|
Error = (o, e) => { e.ErrorContext.Handled = true; }
|
|
});
|
|
|
|
Assert.IsNull(result);
|
|
}
|
|
|
|
[Test]
|
|
public void SerializeRootConverter()
|
|
{
|
|
string result = JsonConvert.SerializeObject(new SomethingElse(), new JsonSerializerSettings
|
|
{
|
|
Error = (o, e) => { e.ErrorContext.Handled = true; }
|
|
});
|
|
|
|
Assert.AreEqual(string.Empty, result);
|
|
}
|
|
}
|
|
|
|
internal interface IErrorPerson2
|
|
{
|
|
}
|
|
|
|
internal class ErrorPerson2 //:IPerson - oops! Forgot to implement the person interface
|
|
{
|
|
public string LastName { get; set; }
|
|
public string FirstName { get; set; }
|
|
}
|
|
|
|
public class ThrowingReader : TextReader
|
|
{
|
|
private int _position = 0;
|
|
private static string element = "{\"FirstName\":\"Din\",\"LastName\":\"Rav\",\"Item\":{\"ItemName\":\"temp\"}}";
|
|
private bool _firstRead = true;
|
|
private bool _readComma = false;
|
|
|
|
public ThrowingReader()
|
|
{
|
|
}
|
|
|
|
public override int Read(char[] buffer, int index, int count)
|
|
{
|
|
char[] temp = new char[buffer.Length];
|
|
int charsRead = 0;
|
|
if (_firstRead)
|
|
{
|
|
charsRead = new StringReader("[").Read(temp, index, count);
|
|
_firstRead = false;
|
|
}
|
|
else
|
|
{
|
|
if (_readComma)
|
|
{
|
|
charsRead = new StringReader(",").Read(temp, index, count);
|
|
_readComma = false;
|
|
}
|
|
else
|
|
{
|
|
charsRead = new StringReader(element).Read(temp, index, count);
|
|
_readComma = true;
|
|
}
|
|
}
|
|
|
|
_position += charsRead;
|
|
if (_position > 65536)
|
|
{
|
|
throw new Exception("too far");
|
|
}
|
|
Array.Copy(temp, index, buffer, index, charsRead);
|
|
return charsRead;
|
|
}
|
|
}
|
|
|
|
public class ErrorPerson
|
|
{
|
|
public string FirstName { get; set; }
|
|
public string LastName { get; set; }
|
|
public ErrorItem Item { get; set; }
|
|
}
|
|
|
|
public class ErrorItem
|
|
{
|
|
public string ItemName { get; set; }
|
|
}
|
|
|
|
[JsonObject]
|
|
public class MyTypeWithRequiredMembers
|
|
{
|
|
[JsonProperty(Required = Required.AllowNull)]
|
|
public string Required1;
|
|
|
|
[JsonProperty(Required = Required.AllowNull)]
|
|
public string Required2;
|
|
}
|
|
|
|
public class LogMessage
|
|
{
|
|
public string DeviceId { get; set; }
|
|
public IList<LogEvent> Events { get; set; }
|
|
}
|
|
|
|
public class LogEvent
|
|
{
|
|
public string Code { get; set; }
|
|
public int Priority { get; set; }
|
|
}
|
|
|
|
public class ErrorTestObject
|
|
{
|
|
[OnError]
|
|
internal void OnError(StreamingContext context, ErrorContext errorContext)
|
|
{
|
|
}
|
|
}
|
|
} |