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Fix Arrays in SystemText #44

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Fix Arrays in SystemText #44

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0a3010a
Fix SystemText arrays
Morcatko Jan 5, 2021
d19b896
.NET 5 readme
Morcatko Jan 5, 2021
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19 changes: 9 additions & 10 deletions src/3.0-JsonMergePatch.SystemText/Builders/PatchBuilder.cs
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
using Morcatko.AspNetCore.JsonMergePatch.Internal;
using System;
using System.Linq;
using System.Reflection;
using System.Text.Json;

Expand All @@ -14,25 +15,23 @@ private static object ToObject(this JsonElement jsonElement)
case JsonValueKind.Null: return null;
case JsonValueKind.String: return jsonElement.GetString();
case JsonValueKind.Number: return jsonElement.GetGenericNumber();
case JsonValueKind.Array: return jsonElement.EnumerateArray().Select(j => j.ToObject()).ToArray();
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Leads to an exception when an array contains complex objects. When ToObject is called with such array element, it throws NotSupportedException.

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Did any of you manage to make some progress with this?
@OleksandrHorbunovVP what was the end solution that you used?
Currently working on a project where this would be useful but immediately hit this problem.

case JsonValueKind.True: return true;
case JsonValueKind.False: return false;
case JsonValueKind.Undefined:
case JsonValueKind.Object:
case JsonValueKind.Array:
default:
throw new NotSupportedException($"Unsupported ValueKind - {jsonElement.ValueKind}");
}
}

private static object GetGenericNumber (this JsonElement jsonElement)
{

// Attempt to parse the JSON Element as an Int32 first
if (jsonElement.TryGetInt32(out int int32)) return int32;

// Failing that, parse it as a Decimal instead
return jsonElement.GetDecimal();

private static object GetGenericNumber(this JsonElement jsonElement)
{
// Attempt to parse the JSON Element as an Int32 first
if (jsonElement.TryGetInt32(out int int32)) return int32;

// Failing that, parse it as a Decimal instead
return jsonElement.GetDecimal();
}

private static bool IsValue(this JsonValueKind valueKind)
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29 changes: 25 additions & 4 deletions src/3.0-JsonMergePatch.Tests/Integration/MvcTest.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,8 @@ await p.MergePatchAsync(null, new[]
[MemberData(nameof(GetCombinations))]
public async Task NullableDecimalFloatingPoint(bool core, bool newtonsoft)
{
using (var p = new TestHelper(core, newtonsoft)) {
using (var p = new TestHelper(core, newtonsoft))
{
await p.PostAsync("0", p.GetTestModel());

await p.MergePatchAsync(null, new[]
Expand All @@ -133,11 +134,31 @@ await p.MergePatchAsync(null, new[]

var patchedModel = await p.GetAsync("0");
var expected = p.GetTestModel();
expected.NullableDecimal = (decimal?) 7.5;
expected.NullableDecimal = (decimal?)7.5;
Assert.Equal(expected, patchedModel);
}
}

[Theory]
[MemberData(nameof(GetCombinations))]
public async Task Arrays(bool core, bool newtonsoft)
{
using (var p = new TestHelper(core, newtonsoft))
{
await p.PostAsync("0", p.GetTestModel());

await p.MergePatchAsync(null, new[]
{
new { id = 0, ArrayOfFloats = new [] { 7, 3.5f }}
});

var patchedModel = await p.GetAsync("0");
var expected = p.GetTestModel();
expected.ArrayOfFloats = new [] { 7, 3.5f };
Assert.Equal(expected, patchedModel);
}
}

[Theory(Skip = "Does not work")]
[MemberData(nameof(GetCombinations))]
public async Task MissingRequiredProperty(bool core, bool newtonsoft)
Expand All @@ -152,8 +173,8 @@ public async Task MissingRequiredProperty(bool core, bool newtonsoft)
expected.Integer = 8;
Assert.Equal(expected, patchedModel);
}
}

}
#region ValueEnum
[Theory(Skip = "Enums do not work - https://github.com/aspnet/Home/issues/2423")]
[MemberData(nameof(GetCombinations))]
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5 changes: 4 additions & 1 deletion src/3.0-JsonMergePatch.Tests/TestModel.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,8 @@ public class TestModelBase : IEquatable<TestModelBase>, IEquatable<NewtonsoftTes

public decimal? NullableDecimal { get; set; }

public float[] ArrayOfFloats { get; set; } = new float[0];

public Dictionary<string, SubModel> SubModels { get; set; } = new Dictionary<string, SubModel>();

public bool Equals(TestModelBase other)
Expand All @@ -43,7 +45,8 @@ public bool Equals(TestModelBase other)
&& this.ValueEnum == other.ValueEnum
&& this.NullableDecimal == other.NullableDecimal
&& this.Date == other.Date
&& this.Date.GetValueOrDefault().Offset == other.Date.GetValueOrDefault().Offset
&& this.Date.GetValueOrDefault().Offset == other.Date.GetValueOrDefault().Offset
&& Enumerable.SequenceEqual(this.ArrayOfFloats, other.ArrayOfFloats)
&& Enumerable.SequenceEqual(this.SubModels?.Keys, other.SubModels?.Keys)
&& Enumerable.SequenceEqual(this.SubModels?.Values, other.SubModels?.Values)
&& ((this.SubModel == other.SubModel)
Expand Down