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Take into account JsonRequired of STJ #2988

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merged 4 commits into from
Jul 18, 2024
Merged

Take into account JsonRequired of STJ #2988

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5d72abe
Take into account JsonRequired of STJ
Jul 18, 2024
55d8841
FileScope nameSpaces
Jul 18, 2024
85d39c1
Add VerificationTests
Jul 18, 2024
9bd77e5
Make one of the properties not required
Jul 18, 2024
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9 changes: 7 additions & 2 deletions src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/JsonSerializerDataContractResolver.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -210,11 +210,13 @@ private List<DataProperty> GetDataPropertiesFor(Type objectType, out Type extens
// See https://docs.microsoft.com/en-us/dotnet/standard/serialization/system-text-json-immutability?pivots=dotnet-6-0
var isDeserializedViaConstructor = false;

var isRequired = false;

#if NET5_0_OR_GREATER
var deserializationConstructor = propertyInfo.DeclaringType?.GetConstructors()
.OrderBy(c =>
{
if (c.GetCustomAttribute<System.Text.Json.Serialization.JsonConstructorAttribute>() != null) return 1;
if (c.GetCustomAttribute<JsonConstructorAttribute>() != null) return 1;
if (c.GetParameters().Length == 0) return 2;
return 3;
})
Expand All @@ -228,11 +230,14 @@ private List<DataProperty> GetDataPropertiesFor(Type objectType, out Type extens
string.Equals(p.Name, name, StringComparison.OrdinalIgnoreCase);
});
#endif
#if NET7_0_OR_GREATER
isRequired = propertyInfo.GetCustomAttribute<JsonRequiredAttribute>() != null;
#endif

dataProperties.Add(
new DataProperty(
name: name,
isRequired: false,
isRequired: isRequired,
isNullable: propertyInfo.PropertyType.IsReferenceOrNullableType(),
isReadOnly: propertyInfo.IsPubliclyReadable() && !propertyInfo.IsPubliclyWritable() && !isDeserializedViaConstructor,
isWriteOnly: propertyInfo.IsPubliclyWritable() && !propertyInfo.IsPubliclyReadable(),
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12 changes: 12 additions & 0 deletions test/Swashbuckle.AspNetCore.SwaggerGen.Test/Fixtures/JsonRequiredAnnotatedType.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
using System.Text.Json.Serialization;

namespace Swashbuckle.AspNetCore.SwaggerGen.Test.Fixtures;

internal class JsonRequiredAnnotatedType
{

#if NET7_0_OR_GREATER
[JsonRequired]
#endif
public string StringWithJsonRequired { get; set; }
}
14 changes: 14 additions & 0 deletions ...shbuckle.AspNetCore.SwaggerGen.Test/SchemaGenerator/JsonSerializerSchemaGeneratorTests.cs
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Expand Up @@ -885,6 +885,20 @@ public void GenerateSchema_HonorsSerializerAttribute_JsonPropertyName()
Assert.Equal(new[] { "string-with-json-property-name" }, schema.Properties.Keys.ToArray());
}

#if NET7_0_OR_GREATER
[Fact]
public void GenerateSchema_HonorsSerializerAttribute_JsonRequired()
{
var schemaRepository = new SchemaRepository();

var referenceSchema = Subject().GenerateSchema(typeof(JsonRequiredAnnotatedType), schemaRepository);

var schema = schemaRepository.Schemas[referenceSchema.Reference.Id];
Assert.Equal(new[] { "StringWithJsonRequired" }, schema.Required.ToArray());
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Assert.True(schema.Properties["StringWithJsonRequired"].Nullable);
}
#endif

[Fact]
public void GenerateSchema_HonorsSerializerAttribute_JsonExtensionData()
{
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