Aligns Enum serialization across packages and pass relevant JsonWriterOptions from the KiotaJsonSerializationContext

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.10.1] - 2024-08-01
+
+- Cleans up enum serialization to read from attributes for form and text serialization [#284](https://github.com/microsoft/kiota-dotnet/issues/284)
+- Pass relevant `JsonWriterOptions` from the `KiotaJsonSerializationContext.Options` to the `Utf8JsonWriter` when writing json to enable customization. [#281](https://github.com/microsoft/kiota-dotnet/issues/281)
+
 ## [1.10.0] - 2024-07-17
 
 - Adds Kiota bundle package to provide default adapter with registrations setup. [#290](https://github.com/microsoft/kiota-dotnet/issues/290)

Directory.Build.props

@@ -1,7 +1,7 @@
 <Project>
   <!-- Common default project properties for ALL projects-->
   <PropertyGroup>
-    <VersionPrefix>1.10.0</VersionPrefix>
+    <VersionPrefix>1.10.1</VersionPrefix>
     <VersionSuffix></VersionSuffix>
     <!-- This is overidden in test projects by setting to true-->
     <IsTestProject>false</IsTestProject>

src/abstractions/Helpers/EnumHelpers.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Reflection;
 using System.Runtime.Serialization;
+using Microsoft.Kiota.Abstractions.Extensions;
 
 #if NET5_0_OR_GREATER
 using System.Diagnostics.CodeAnalysis;
@@ -22,7 +23,7 @@
 #if NET5_0_OR_GREATER
         public static T? GetEnumValue<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicFields)] T>(string rawValue) where T : struct, Enum
 #else
         public static T? GetEnumValue<T>(string rawValue) where T : struct, Enum
 #endif
         {
             if(string.IsNullOrEmpty(rawValue)) return null;
@@ -78,7 +79,7 @@
 #if NET5_0_OR_GREATER
         public static object? GetEnumValue([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicFields)] Type? type, string rawValue)
 #else
         public static object? GetEnumValue(Type? type, string rawValue)
 #endif
         {
             object? result;
@@ -106,7 +107,7 @@
                     {
                         intValue |= (int)Enum.Parse(enumType, valueName, true);
                     }
                     catch { }
 #endif
 
                     rawValue = commaIndex < 0 ? string.Empty : rawValue.Substring(commaIndex + 1);
@@ -154,5 +155,29 @@
             }
             return false;
         }
+
+        /// <summary>
+        /// Gets the enum string representation of the given value. Looks up if there is an <see cref="EnumMemberAttribute"/> and returns the value if found, otherwise returns the enum name in camel case.
+        /// </summary>
+        /// <typeparam name="T">The Enum type</typeparam>
+        /// <param name="value">The enum value</param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentException">If value is null</exception>
+#if NET5_0_OR_GREATER
+        public static string? GetEnumStringValue<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicFields)] T>(T value) where T : struct, Enum
+#else
+        public static string? GetEnumStringValue<T>(T value) where T : struct, Enum
+#endif
+        {
+            var type = typeof(T);
+
+            if(Enum.GetName(type, value) is not { } name)
+                throw new ArgumentException($"Invalid Enum value {value} for enum of type {type}");
+
+            if(type.GetField(name)?.GetCustomAttribute<EnumMemberAttribute>() is { } attribute)
+                return attribute.Value;
+
+            return name;
+        }
     }
 }

src/serialization/form/FormSerializationWriter.cs

@@ -11,6 +11,7 @@
 #endif
 using System;
 using System.Collections.Generic;
+using Microsoft.Kiota.Abstractions.Helpers;
 
 namespace Microsoft.Kiota.Serialization.Form;
 /// <summary>Represents a serialization writer that can be used to write a form url encoded string.</summary>
@@ -247,13 +248,13 @@ public void WriteCollectionOfEnumValues<T>(string? key, IEnumerable<T?>? values)
         StringBuilder? valueNames = null;
         foreach(var x in values)
         {
-            if(x.HasValue && Enum.GetName(typeof(T), x.Value) is string valueName)
+            if(x.HasValue && EnumHelpers.GetEnumStringValue(x.Value) is string valueName)
             {
                 if(valueNames == null)
                     valueNames = new StringBuilder();
                 else
                     valueNames.Append(",");
-                valueNames.Append(valueName.ToFirstCharacterLowerCase());
+                valueNames.Append(valueName);
             }
         }
 
@@ -281,16 +282,16 @@ public void WriteEnumValue<T>(string? key, T? value) where T : struct, Enum
                 StringBuilder valueNames = new StringBuilder();
                 foreach(var x in values)
                 {
-                    if(value.Value.HasFlag(x) && Enum.GetName(typeof(T), x) is string valueName)
+                    if(value.Value.HasFlag(x) && EnumHelpers.GetEnumStringValue(x) is string valueName)
                     {
                         if(valueNames.Length > 0)
                             valueNames.Append(",");
-                        valueNames.Append(valueName.ToFirstCharacterLowerCase());
+                        valueNames.Append(valueName);
                     }
                 }
                 WriteStringValue(key, valueNames.ToString());
             }
-            else WriteStringValue(key, value.Value.ToString().ToFirstCharacterLowerCase());
+            else WriteStringValue(key, EnumHelpers.GetEnumStringValue(value.Value));
         }
     }
 }

src/serialization/json/JsonSerializationWriter.cs

@@ -7,12 +7,11 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
-using System.Runtime.Serialization;
 using System.Text;
 using System.Text.Json;
 using System.Xml;
 using Microsoft.Kiota.Abstractions;
-using Microsoft.Kiota.Abstractions.Extensions;
+using Microsoft.Kiota.Abstractions.Helpers;
 using Microsoft.Kiota.Abstractions.Serialization;
 
 #if NET5_0_OR_GREATER
@@ -49,7 +48,11 @@ public JsonSerializationWriter()
         public JsonSerializationWriter(KiotaJsonSerializationContext kiotaJsonSerializationContext)
         {
             _kiotaJsonSerializationContext = kiotaJsonSerializationContext;
-            writer = new Utf8JsonWriter(_stream);
+            writer = new Utf8JsonWriter(_stream, new JsonWriterOptions
+            {
+                Encoder = kiotaJsonSerializationContext.Options.Encoder,
+                Indented = kiotaJsonSerializationContext.Options.WriteIndented
+            });
         }
 
         /// <summary>
@@ -290,7 +293,7 @@ public void WriteEnumValue<T>(string? key, T? value) where T : struct, Enum
                     StringBuilder valueNames = new StringBuilder();
                     foreach(var x in values)
                     {
-                        if(value.Value.HasFlag(x) && GetEnumName(x) is string valueName)
+                        if(value.Value.HasFlag(x) && EnumHelpers.GetEnumStringValue(x) is string valueName)
                         {
                             if(valueNames.Length > 0)
                                 valueNames.Append(",");
@@ -299,7 +302,7 @@ public void WriteEnumValue<T>(string? key, T? value) where T : struct, Enum
                     }
                     WriteStringValue(null, valueNames.ToString());
                 }
-                else WriteStringValue(null, GetEnumName(value.Value));
+                else WriteStringValue(null, EnumHelpers.GetEnumStringValue(value.Value));
             }
         }
 
@@ -559,22 +562,7 @@ public void Dispose()
             writer.Dispose();
             GC.SuppressFinalize(this);
         }
-#if NET5_0_OR_GREATER
-        private static string? GetEnumName<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicFields)] T>(T value) where T : struct, Enum
-#else
-        private static string? GetEnumName<T>(T value) where T : struct, Enum
-#endif
-        {
-            var type = typeof(T);
-
-            if(Enum.GetName(type, value) is not { } name)
-                throw new ArgumentException($"Invalid Enum value {value} for enum of type {type}");
 
-            if(type.GetField(name)?.GetCustomAttribute<EnumMemberAttribute>() is { } attribute)
-                return attribute.Value;
-
-            return name.ToFirstCharacterLowerCase();
-        }
         /// <summary>
         /// Writes a untyped value for the specified key.
         /// </summary>

src/serialization/text/TextSerializationWriter.cs

@@ -5,6 +5,7 @@
 using System.Xml;
 using Microsoft.Kiota.Abstractions;
 using Microsoft.Kiota.Abstractions.Extensions;
+using Microsoft.Kiota.Abstractions.Helpers;
 using Microsoft.Kiota.Abstractions.Serialization;
 
 #if NET5_0_OR_GREATER
@@ -118,5 +119,5 @@ public void WriteCollectionOfEnumValues<T>(string? key, IEnumerable<T?>? values)
 #else
     public void WriteEnumValue<T>(string? key, T? value) where T : struct, Enum
 #endif
-    => WriteStringValue(key, value.HasValue ? value.Value.ToString().ToFirstCharacterLowerCase() : null);
+    => WriteStringValue(key, value.HasValue ? EnumHelpers.GetEnumStringValue(value.Value) : null);
 }

tests/serialization/form/FormSerializationWriterTests.cs

@@ -51,7 +51,7 @@ public void WritesSampleObjectValue()
 
         // Assert
         var expectedString = "id=48d31887-5fad-4d73-a9f5-3c356e68a038&" +
-                                "numbers=one%2Ctwo&" +   // serializes enums
+                                "numbers=One%2CTwo&" +   // serializes enums
                                 "workDuration=PT1H&" +    // Serializes timespans
                                 "birthDay=2017-09-04&" + // Serializes dates
                                 "startWorkTime=08%3A00%3A00&" + //Serializes times
@@ -432,7 +432,25 @@ public void WriteEnumValue_IsWrittenCorrectly()
         var serializedString = reader.ReadToEnd();
 
         // Assert
-        Assert.Equal("prop1=sixteen", serializedString);
+        Assert.Equal("prop1=Sixteen", serializedString);
+    }
+
+    [Fact]
+    public void WriteEnumValueWithAttribute_IsWrittenCorrectly()
+    {
+        // Arrange
+        var value = TestNamingEnum.Item2SubItem1;
+
+        using var formSerializationWriter = new FormSerializationWriter();
+
+        // Act
+        formSerializationWriter.WriteEnumValue<TestNamingEnum>("prop1", value);
+        var contentStream = formSerializationWriter.GetSerializedContent();
+        using var reader = new StreamReader(contentStream, Encoding.UTF8);
+        var serializedString = reader.ReadToEnd();
+
+        // Assert
+        Assert.Equal("prop1=Item2%3ASubItem1", serializedString);
     }
 
     [Fact]
@@ -450,6 +468,6 @@ public void WriteCollectionOfEnumValues_IsWrittenCorrectly()
         var serializedString = reader.ReadToEnd();
 
         // Assert
-        Assert.Equal("prop1=sixteen%2Ctwo", serializedString);
+        Assert.Equal("prop1=Sixteen%2CTwo", serializedString);
     }
 }

tests/serialization/form/Mocks/TestNamingEnum.cs

@@ -0,0 +1,13 @@
+using System.Runtime.Serialization;
+
+namespace Microsoft.Kiota.Serialization.Form.Tests.Mocks
+{
+    public enum TestNamingEnum
+    {
+        Item1,
+        [EnumMember(Value = "Item2:SubItem1")]
+        Item2SubItem1,
+        [EnumMember(Value = "Item3:SubItem1")]
+        Item3SubItem1
+    }
+}

tests/serialization/json/JsonSerializationWriterTests.cs

@@ -3,6 +3,7 @@
 using System.Globalization;
 using System.IO;
 using System.Text;
+using System.Text.Encodings.Web;
 using System.Text.Json;
 using System.Threading;
 using Microsoft.Kiota.Abstractions;
@@ -156,7 +157,7 @@ public void WritesSampleCollectionOfObjectValues()
             // Assert
             var expectedString = "[{" +
                                  "\"id\":\"48d31887-5fad-4d73-a9f5-3c356e68a038\"," +
-                                 "\"numbers\":\"one,two\"," +
+                                 "\"numbers\":\"One,Two\"," +
                                  "\"testNamingEnum\":\"Item2:SubItem1\"," +
                                  "\"mobilePhone\":null," +
                                  "\"accountEnabled\":false," +
@@ -205,7 +206,7 @@ public void WritesEnumValuesAsCamelCasedIfNotEscaped()
 
             // Assert
             var expectedString = "[{" +
-                                 "\"testNamingEnum\":\"item1\"" + // Camel Cased
+                                 "\"testNamingEnum\":\"Item1\"" + // Camel Cased
                                  "}]";
             Assert.Equal(expectedString, serializedJsonString);
         }
@@ -258,6 +259,68 @@ public void WriteGuidUsingConverter()
             Assert.Equal(expectedString, serializedJsonString);
         }
 
+        [Fact]
+        public void ForwardsOptionsToWriterFromSerializationContext()
+        {
+            // Arrange
+            var testEntity = new TestEntity
+            {
+                Id = "testId",
+                AdditionalData = new Dictionary<string, object>()
+                {
+                    {"href", "https://graph.microsoft.com/users/{user-id}"},
+                    {"unicodeName", "你好"}
+                }
+            };
+            var serializerOptions = new JsonSerializerOptions(JsonSerializerDefaults.General)
+            {
+                WriteIndented = true,
+                Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
+            };
+            var serializationContext = new KiotaJsonSerializationContext(serializerOptions);
+            using var jsonSerializerWriter = new JsonSerializationWriter(serializationContext);
+
+            // Act
+            jsonSerializerWriter.WriteObjectValue(string.Empty, testEntity);
+            var serializedStream = jsonSerializerWriter.GetSerializedContent();
+            using var reader = new StreamReader(serializedStream, Encoding.UTF8);
+            var serializedJsonString = reader.ReadToEnd();
+
+            // Assert
+            const string expectedString = "{\n  \"id\": \"testId\",\n  \"href\": \"https://graph.microsoft.com/users/{user-id}\",\n  \"unicodeName\": \"你好\"\n}";
+            Assert.Contains("\n", serializedJsonString); // string is indented and not escaped
+            Assert.Contains("你好", serializedJsonString); // string is indented and not escaped
+            Assert.Equal(expectedString, serializedJsonString.Replace("\r", string.Empty)); // string is indented and not escaped
+        }
+
+        [Fact]
+        public void UsesDefaultOptionsToWriterFromSerializationContext()
+        {
+            // Arrange
+            var testEntity = new TestEntity
+            {
+                Id = "testId",
+                AdditionalData = new Dictionary<string, object>()
+                {
+                    {"href", "https://graph.microsoft.com/users/{user-id}"},
+                    {"unicodeName", "你好"}
+                }
+            };
+            using var jsonSerializerWriter = new JsonSerializationWriter(new KiotaJsonSerializationContext());
+
+            // Act
+            jsonSerializerWriter.WriteObjectValue(string.Empty, testEntity);
+            var serializedStream = jsonSerializerWriter.GetSerializedContent();
+            using var reader = new StreamReader(serializedStream, Encoding.UTF8);
+            var serializedJsonString = reader.ReadToEnd();
+
+            // Assert
+            var expectedString = $"{{\"id\":\"testId\",\"href\":\"https://graph.microsoft.com/users/{{user-id}}\",\"unicodeName\":\"\\u4F60\\u597D\"}}";
+            Assert.DoesNotContain("\n", serializedJsonString); // string is not indented and not escaped
+            Assert.DoesNotContain("你好", serializedJsonString); // string is not indented and not escaped
+            Assert.Contains("\\u4F60\\u597D", serializedJsonString); // string is not indented and not escaped
+            Assert.Equal(expectedString, serializedJsonString); // string is indented and not escaped
+        }
         [Fact]
         public void WriteGuidUsingNoConverter()
         {

tests/serialization/text/Mocks/TestEnum.cs

@@ -1,12 +1,8 @@
-using System.Runtime.Serialization;
-
-namespace Microsoft.Kiota.Serialization.Text.Tests.Mocks
+namespace Microsoft.Kiota.Serialization.Text.Tests.Mocks
 {
     public enum TestEnum
     {
-        [EnumMember(Value = "Value_1")]
         FirstItem,
-        [EnumMember(Value = "Value_2")]
         SecondItem,
     }
 }

tests/serialization/text/Mocks/TestNamingEnum.cs

@@ -0,0 +1,13 @@
+using System.Runtime.Serialization;
+
+namespace Microsoft.Kiota.Serialization.Text.Tests.Mocks
+{
+    public enum TestNamingEnum
+    {
+        Item1,
+        [EnumMember(Value = "Item2:SubItem1")]
+        Item2SubItem1,
+        [EnumMember(Value = "Item3:SubItem1")]
+        Item3SubItem1
+    }
+}

tests/serialization/text/TextParseNodeTests.cs

@@ -41,12 +41,12 @@ public void TextParseNode_GetEnumFromString()
         [Fact]
         public void TextParseNode_GetEnumFromEnumMember()
         {
-            var text = "Value_2";
+            var text = "Item2:SubItem1";
             var parseNode = new TextParseNode(text);
 
-            var result = parseNode.GetEnumValue<TestEnum>();
+            var result = parseNode.GetEnumValue<TestNamingEnum>();
 
-            Assert.Equal(TestEnum.SecondItem, result);
+            Assert.Equal(TestNamingEnum.Item2SubItem1, result);
         }
 
         [Fact]