Commit 4fed0b51 authored by Jon Skeet's avatar Jon Skeet

Fix JSON formatting to always emit fields in field order, including oneofs

parent fd02e45b
......@@ -88,4 +88,29 @@ message ReservedNames {
int32 types = 1;
int32 descriptor = 2;
}
message TestJsonFieldOrdering {
// These fields are deliberately not declared in numeric
// order, and the oneof fields aren't contiguous either.
// This allows for reasonably robust tests of JSON output
// ordering.
// TestFieldOrderings in unittest_proto3.proto is similar,
// but doesn't include oneofs.
// TODO: Consider adding
int32 plain_int32 = 4;
oneof o1 {
string o1_string = 2;
int32 o1_int32 = 5;
}
string plain_string = 1;
oneof o2 {
int32 o2_int32 = 6;
string o2_string = 3;
}
}
\ No newline at end of file
......@@ -37,6 +37,7 @@ using System.Text;
using System.Threading.Tasks;
using Google.Protobuf.TestProtos;
using NUnit.Framework;
using UnitTest.Issues.TestProtos;
namespace Google.Protobuf
{
......@@ -284,5 +285,29 @@ namespace Google.Protobuf
Assert.IsTrue(actualJson.Contains("\"int64Field\": null"));
Assert.IsFalse(actualJson.Contains("\"int32Field\": null"));
}
[Test]
public void OutputIsInNumericFieldOrder_NoDefaults()
{
var formatter = new JsonFormatter(new JsonFormatter.Settings(false));
var message = new TestJsonFieldOrdering { PlainString = "p1", PlainInt32 = 2 };
Assert.AreEqual("{ \"plainString\": \"p1\", \"plainInt32\": 2 }", formatter.Format(message));
message = new TestJsonFieldOrdering { O1Int32 = 5, O2String = "o2", PlainInt32 = 10, PlainString = "plain" };
Assert.AreEqual("{ \"plainString\": \"plain\", \"o2String\": \"o2\", \"plainInt32\": 10, \"o1Int32\": 5 }", formatter.Format(message));
message = new TestJsonFieldOrdering { O1String = "", O2Int32 = 0, PlainInt32 = 10, PlainString = "plain" };
Assert.AreEqual("{ \"plainString\": \"plain\", \"o1String\": \"\", \"plainInt32\": 10, \"o2Int32\": 0 }", formatter.Format(message));
}
[Test]
public void OutputIsInNumericFieldOrder_WithDefaults()
{
var formatter = new JsonFormatter(new JsonFormatter.Settings(true));
var message = new TestJsonFieldOrdering();
Assert.AreEqual("{ \"plainString\": \"\", \"plainInt32\": 0 }", formatter.Format(message));
message = new TestJsonFieldOrdering { O1Int32 = 5, O2String = "o2", PlainInt32 = 10, PlainString = "plain" };
Assert.AreEqual("{ \"plainString\": \"plain\", \"o2String\": \"o2\", \"plainInt32\": 10, \"o1Int32\": 5 }", formatter.Format(message));
message = new TestJsonFieldOrdering { O1String = "", O2Int32 = 0, PlainInt32 = 10, PlainString = "plain" };
Assert.AreEqual("{ \"plainString\": \"plain\", \"o1String\": \"\", \"plainInt32\": 10, \"o2Int32\": 0 }", formatter.Format(message));
}
}
}
......@@ -36,11 +36,14 @@ namespace UnitTest.Issues.TestProtos {
"NgoJRW51bUFycmF5GAYgAygOMh8udW5pdHRlc3RfaXNzdWVzLkRlcHJlY2F0",
"ZWRFbnVtQgIYASIZCglJdGVtRmllbGQSDAoEaXRlbRgBIAEoBSJECg1SZXNl",
"cnZlZE5hbWVzEg0KBXR5cGVzGAEgASgFEhIKCmRlc2NyaXB0b3IYAiABKAUa",
"EAoOU29tZU5lc3RlZFR5cGUqVQoMTmVnYXRpdmVFbnVtEhYKEk5FR0FUSVZF",
"X0VOVU1fWkVSTxAAEhYKCUZpdmVCZWxvdxD7//////////8BEhUKCE1pbnVz",
"T25lEP///////////wEqLgoORGVwcmVjYXRlZEVudW0SEwoPREVQUkVDQVRF",
"RF9aRVJPEAASBwoDb25lEAFCH0gBqgIaVW5pdFRlc3QuSXNzdWVzLlRlc3RQ",
"cm90b3NiBnByb3RvMw=="));
"EAoOU29tZU5lc3RlZFR5cGUioAEKFVRlc3RKc29uRmllbGRPcmRlcmluZxIT",
"CgtwbGFpbl9pbnQzMhgEIAEoBRITCglvMV9zdHJpbmcYAiABKAlIABISCghv",
"MV9pbnQzMhgFIAEoBUgAEhQKDHBsYWluX3N0cmluZxgBIAEoCRISCghvMl9p",
"bnQzMhgGIAEoBUgBEhMKCW8yX3N0cmluZxgDIAEoCUgBQgQKAm8xQgQKAm8y",
"KlUKDE5lZ2F0aXZlRW51bRIWChJORUdBVElWRV9FTlVNX1pFUk8QABIWCglG",
"aXZlQmVsb3cQ+///////////ARIVCghNaW51c09uZRD///////////8BKi4K",
"DkRlcHJlY2F0ZWRFbnVtEhMKD0RFUFJFQ0FURURfWkVSTxAAEgcKA29uZRAB",
"Qh9IAaoCGlVuaXRUZXN0Lklzc3Vlcy5UZXN0UHJvdG9zYgZwcm90bzM="));
descriptor = pbr::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
new pbr::FileDescriptor[] { },
new pbr::GeneratedCodeInfo(new[] {typeof(global::UnitTest.Issues.TestProtos.NegativeEnum), typeof(global::UnitTest.Issues.TestProtos.DeprecatedEnum), }, new pbr::GeneratedCodeInfo[] {
......@@ -49,7 +52,8 @@ namespace UnitTest.Issues.TestProtos {
new pbr::GeneratedCodeInfo(typeof(global::UnitTest.Issues.TestProtos.DeprecatedChild), null, null, null, null),
new pbr::GeneratedCodeInfo(typeof(global::UnitTest.Issues.TestProtos.DeprecatedFieldsMessage), new[]{ "PrimitiveValue", "PrimitiveArray", "MessageValue", "MessageArray", "EnumValue", "EnumArray" }, null, null, null),
new pbr::GeneratedCodeInfo(typeof(global::UnitTest.Issues.TestProtos.ItemField), new[]{ "Item" }, null, null, null),
new pbr::GeneratedCodeInfo(typeof(global::UnitTest.Issues.TestProtos.ReservedNames), new[]{ "Types_", "Descriptor_" }, null, null, new pbr::GeneratedCodeInfo[] { new pbr::GeneratedCodeInfo(typeof(global::UnitTest.Issues.TestProtos.ReservedNames.Types.SomeNestedType), null, null, null, null)})
new pbr::GeneratedCodeInfo(typeof(global::UnitTest.Issues.TestProtos.ReservedNames), new[]{ "Types_", "Descriptor_" }, null, null, new pbr::GeneratedCodeInfo[] { new pbr::GeneratedCodeInfo(typeof(global::UnitTest.Issues.TestProtos.ReservedNames.Types.SomeNestedType), null, null, null, null)}),
new pbr::GeneratedCodeInfo(typeof(global::UnitTest.Issues.TestProtos.TestJsonFieldOrdering), new[]{ "PlainInt32", "O1String", "O1Int32", "PlainString", "O2Int32", "O2String" }, new[]{ "O1", "O2" }, null, null)
}));
}
#endregion
......@@ -1096,6 +1100,294 @@ namespace UnitTest.Issues.TestProtos {
}
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
public sealed partial class TestJsonFieldOrdering : pb::IMessage<TestJsonFieldOrdering> {
private static readonly pb::MessageParser<TestJsonFieldOrdering> _parser = new pb::MessageParser<TestJsonFieldOrdering>(() => new TestJsonFieldOrdering());
public static pb::MessageParser<TestJsonFieldOrdering> Parser { get { return _parser; } }
public static pbr::MessageDescriptor Descriptor {
get { return global::UnitTest.Issues.TestProtos.UnittestIssues.Descriptor.MessageTypes[6]; }
}
pbr::MessageDescriptor pb::IMessage.Descriptor {
get { return Descriptor; }
}
public TestJsonFieldOrdering() {
OnConstruction();
}
partial void OnConstruction();
public TestJsonFieldOrdering(TestJsonFieldOrdering other) : this() {
plainInt32_ = other.plainInt32_;
plainString_ = other.plainString_;
switch (other.O1Case) {
case O1OneofCase.O1String:
O1String = other.O1String;
break;
case O1OneofCase.O1Int32:
O1Int32 = other.O1Int32;
break;
}
switch (other.O2Case) {
case O2OneofCase.O2Int32:
O2Int32 = other.O2Int32;
break;
case O2OneofCase.O2String:
O2String = other.O2String;
break;
}
}
public TestJsonFieldOrdering Clone() {
return new TestJsonFieldOrdering(this);
}
public const int PlainInt32FieldNumber = 4;
private int plainInt32_;
public int PlainInt32 {
get { return plainInt32_; }
set {
plainInt32_ = value;
}
}
public const int O1StringFieldNumber = 2;
public string O1String {
get { return o1Case_ == O1OneofCase.O1String ? (string) o1_ : ""; }
set {
o1_ = pb::Preconditions.CheckNotNull(value, "value");
o1Case_ = O1OneofCase.O1String;
}
}
public const int O1Int32FieldNumber = 5;
public int O1Int32 {
get { return o1Case_ == O1OneofCase.O1Int32 ? (int) o1_ : 0; }
set {
o1_ = value;
o1Case_ = O1OneofCase.O1Int32;
}
}
public const int PlainStringFieldNumber = 1;
private string plainString_ = "";
public string PlainString {
get { return plainString_; }
set {
plainString_ = pb::Preconditions.CheckNotNull(value, "value");
}
}
public const int O2Int32FieldNumber = 6;
public int O2Int32 {
get { return o2Case_ == O2OneofCase.O2Int32 ? (int) o2_ : 0; }
set {
o2_ = value;
o2Case_ = O2OneofCase.O2Int32;
}
}
public const int O2StringFieldNumber = 3;
public string O2String {
get { return o2Case_ == O2OneofCase.O2String ? (string) o2_ : ""; }
set {
o2_ = pb::Preconditions.CheckNotNull(value, "value");
o2Case_ = O2OneofCase.O2String;
}
}
private object o1_;
public enum O1OneofCase {
None = 0,
O1String = 2,
O1Int32 = 5,
}
private O1OneofCase o1Case_ = O1OneofCase.None;
public O1OneofCase O1Case {
get { return o1Case_; }
}
public void ClearO1() {
o1Case_ = O1OneofCase.None;
o1_ = null;
}
private object o2_;
public enum O2OneofCase {
None = 0,
O2Int32 = 6,
O2String = 3,
}
private O2OneofCase o2Case_ = O2OneofCase.None;
public O2OneofCase O2Case {
get { return o2Case_; }
}
public void ClearO2() {
o2Case_ = O2OneofCase.None;
o2_ = null;
}
public override bool Equals(object other) {
return Equals(other as TestJsonFieldOrdering);
}
public bool Equals(TestJsonFieldOrdering other) {
if (ReferenceEquals(other, null)) {
return false;
}
if (ReferenceEquals(other, this)) {
return true;
}
if (PlainInt32 != other.PlainInt32) return false;
if (O1String != other.O1String) return false;
if (O1Int32 != other.O1Int32) return false;
if (PlainString != other.PlainString) return false;
if (O2Int32 != other.O2Int32) return false;
if (O2String != other.O2String) return false;
return true;
}
public override int GetHashCode() {
int hash = 1;
if (PlainInt32 != 0) hash ^= PlainInt32.GetHashCode();
if (o1Case_ == O1OneofCase.O1String) hash ^= O1String.GetHashCode();
if (o1Case_ == O1OneofCase.O1Int32) hash ^= O1Int32.GetHashCode();
if (PlainString.Length != 0) hash ^= PlainString.GetHashCode();
if (o2Case_ == O2OneofCase.O2Int32) hash ^= O2Int32.GetHashCode();
if (o2Case_ == O2OneofCase.O2String) hash ^= O2String.GetHashCode();
return hash;
}
public override string ToString() {
return pb::JsonFormatter.Default.Format(this);
}
public void WriteTo(pb::CodedOutputStream output) {
if (PlainString.Length != 0) {
output.WriteRawTag(10);
output.WriteString(PlainString);
}
if (o1Case_ == O1OneofCase.O1String) {
output.WriteRawTag(18);
output.WriteString(O1String);
}
if (o2Case_ == O2OneofCase.O2String) {
output.WriteRawTag(26);
output.WriteString(O2String);
}
if (PlainInt32 != 0) {
output.WriteRawTag(32);
output.WriteInt32(PlainInt32);
}
if (o1Case_ == O1OneofCase.O1Int32) {
output.WriteRawTag(40);
output.WriteInt32(O1Int32);
}
if (o2Case_ == O2OneofCase.O2Int32) {
output.WriteRawTag(48);
output.WriteInt32(O2Int32);
}
}
public int CalculateSize() {
int size = 0;
if (PlainInt32 != 0) {
size += 1 + pb::CodedOutputStream.ComputeInt32Size(PlainInt32);
}
if (o1Case_ == O1OneofCase.O1String) {
size += 1 + pb::CodedOutputStream.ComputeStringSize(O1String);
}
if (o1Case_ == O1OneofCase.O1Int32) {
size += 1 + pb::CodedOutputStream.ComputeInt32Size(O1Int32);
}
if (PlainString.Length != 0) {
size += 1 + pb::CodedOutputStream.ComputeStringSize(PlainString);
}
if (o2Case_ == O2OneofCase.O2Int32) {
size += 1 + pb::CodedOutputStream.ComputeInt32Size(O2Int32);
}
if (o2Case_ == O2OneofCase.O2String) {
size += 1 + pb::CodedOutputStream.ComputeStringSize(O2String);
}
return size;
}
public void MergeFrom(TestJsonFieldOrdering other) {
if (other == null) {
return;
}
if (other.PlainInt32 != 0) {
PlainInt32 = other.PlainInt32;
}
if (other.PlainString.Length != 0) {
PlainString = other.PlainString;
}
switch (other.O1Case) {
case O1OneofCase.O1String:
O1String = other.O1String;
break;
case O1OneofCase.O1Int32:
O1Int32 = other.O1Int32;
break;
}
switch (other.O2Case) {
case O2OneofCase.O2Int32:
O2Int32 = other.O2Int32;
break;
case O2OneofCase.O2String:
O2String = other.O2String;
break;
}
}
public void MergeFrom(pb::CodedInputStream input) {
uint tag;
while (input.ReadTag(out tag)) {
switch(tag) {
case 0:
throw pb::InvalidProtocolBufferException.InvalidTag();
default:
if (pb::WireFormat.IsEndGroupTag(tag)) {
return;
}
break;
case 10: {
PlainString = input.ReadString();
break;
}
case 18: {
O1String = input.ReadString();
break;
}
case 26: {
O2String = input.ReadString();
break;
}
case 32: {
PlainInt32 = input.ReadInt32();
break;
}
case 40: {
O1Int32 = input.ReadInt32();
break;
}
case 48: {
O2Int32 = input.ReadInt32();
break;
}
}
}
}
}
#endregion
}
......
......@@ -145,13 +145,14 @@ namespace Google.Protobuf
var accessor = field.Accessor;
// Oneofs are written later
// TODO: Change to write out fields in order, interleaving oneofs appropriately (as per binary format)
if (field.ContainingOneof != null)
if (field.ContainingOneof != null && field.ContainingOneof.Accessor.GetCaseFieldDescriptor(message) != field)
{
continue;
}
// Omit default values unless we're asked to format them
// Omit default values unless we're asked to format them, or they're oneofs (where the default
// value is still formatted regardless, because that's how we preserve the oneof case).
object value = accessor.GetValue(message);
if (!settings.FormatDefaultValues && IsDefaultValue(accessor, value))
if (field.ContainingOneof == null && !settings.FormatDefaultValues && IsDefaultValue(accessor, value))
{
continue;
}
......@@ -170,33 +171,7 @@ namespace Google.Protobuf
builder.Append(": ");
WriteValue(builder, accessor, value);
first = false;
}
// Now oneofs
foreach (var oneof in message.Descriptor.Oneofs)
{
var accessor = oneof.Accessor;
var fieldDescriptor = accessor.GetCaseFieldDescriptor(message);
if (fieldDescriptor == null)
{
continue;
}
object value = fieldDescriptor.Accessor.GetValue(message);
// Omit awkward (single) values such as unknown enum values
if (!fieldDescriptor.IsRepeated && !fieldDescriptor.IsMap && !CanWriteSingleValue(fieldDescriptor, value))
{
continue;
}
if (!first)
{
builder.Append(", ");
}
WriteString(builder, ToCamelCase(fieldDescriptor.Name));
builder.Append(": ");
WriteValue(builder, fieldDescriptor.Accessor, value);
first = false;
}
}
builder.Append(first ? "}" : " }");
}
......
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