private static string NewtonsoftFormat(string json)
{
NewtonsoftToCosmosDBReader newtonsoftToCosmosDBReader = NewtonsoftToCosmosDBReader.CreateFromString(json);
NewtonsoftToCosmosDBWriter newtonsoftToCosmosDBWriter = NewtonsoftToCosmosDBWriter.CreateTextWriter();
newtonsoftToCosmosDBWriter.WriteAll(newtonsoftToCosmosDBReader);
return(Encoding.UTF8.GetString(newtonsoftToCosmosDBWriter.GetResult()));
}
private static void PerformRoundTrip(
SerializationFormat sourceFormat,
SerializationFormat destinationFormat,
string json,
bool writeAsRootNode)
{
IJsonReader reader = sourceFormat switch
{
SerializationFormat.Text => JsonReader.Create(Encoding.UTF8.GetBytes(json)),
SerializationFormat.Binary => JsonReader.Create(JsonTestUtils.ConvertTextToBinary(json)),
SerializationFormat.NewtonsoftText => NewtonsoftToCosmosDBReader.CreateFromString(json),
_ => throw new ArgumentException($"Unexpected {nameof(sourceFormat)} of type: {sourceFormat}"),
};
IJsonNavigator navigator = sourceFormat switch
{
SerializationFormat.Text => JsonNavigator.Create(Encoding.UTF8.GetBytes(json)),
SerializationFormat.Binary => JsonNavigator.Create(JsonTestUtils.ConvertTextToBinary(json)),
SerializationFormat.NewtonsoftText => new JsonNewtonsoftNavigator(json),
_ => throw new ArgumentException($"Unexpected {nameof(sourceFormat)} of type: {sourceFormat}"),
};
foreach (object source in new object[] { reader, navigator })
{
IJsonWriter writer = destinationFormat switch
{
SerializationFormat.Text => JsonWriter.Create(JsonSerializationFormat.Text),
SerializationFormat.Binary => JsonWriter.Create(JsonSerializationFormat.Binary),
SerializationFormat.NewtonsoftText => NewtonsoftToCosmosDBWriter.CreateTextWriter(),
_ => throw new ArgumentException($"Unexpected {nameof(destinationFormat)} of type: {destinationFormat}"),
};
switch (source)
{
case IJsonReader sourceReader:
sourceReader.WriteAll(writer);
break;
case IJsonNavigator sourceNavigator:
if (writeAsRootNode)
{
sourceNavigator.WriteNode(sourceNavigator.GetRootNode(), writer);
}
else
{
IJsonNavigatorNode rootNode = sourceNavigator.GetRootNode();
JsonNodeType jsonNodeType = sourceNavigator.GetNodeType(rootNode);
switch (jsonNodeType)
{
case JsonNodeType.Array:
writer.WriteArrayStart();
foreach (IJsonNavigatorNode arrayItem in sourceNavigator.GetArrayItems(rootNode))
{
sourceNavigator.WriteNode(arrayItem, writer);
}
writer.WriteArrayEnd();
break;
case JsonNodeType.Object:
writer.WriteObjectStart();
foreach (ObjectProperty objectProperty in sourceNavigator.GetObjectProperties(rootNode))
{
sourceNavigator.WriteNode(objectProperty.NameNode, writer);
sourceNavigator.WriteNode(objectProperty.ValueNode, writer);
}
writer.WriteObjectEnd();
break;
default:
sourceNavigator.WriteNode(sourceNavigator.GetRootNode(), writer);
break;
}
}
break;
default:
Assert.Fail("Failed to downcast source type.");
break;
}
string result = writer.SerializationFormat switch
{
JsonSerializationFormat.Text => Utf8String.UnsafeFromUtf8BytesNoValidation(writer.GetResult()).ToString(),
JsonSerializationFormat.Binary => JsonTestUtils.ConvertBinaryToText(writer.GetResult()),
_ => throw new ArgumentException(),
};
string normalizedResult = JsonRoundTripsTests.NewtonsoftFormat(result);
string normalizedJson = JsonRoundTripsTests.NewtonsoftFormat(json);
Assert.AreEqual(normalizedJson, normalizedResult);
}
}
public static void MeasurePerf(string json, string filename, int numberOfIterations = 1)
{
byte[] utf8ByteArray = Encoding.UTF8.GetBytes(json);
// Text
TimeSpan textReaderTime = JsonPerfMeasurement.MeasureReadPerformance(
JsonReader.Create(utf8ByteArray),
numberOfIterations);
TimeSpan textWriterTime = JsonPerfMeasurement.MeasureWritePerformance(
JsonWriter.Create(JsonSerializationFormat.Text),
json,
numberOfIterations);
TimeSpan textNavigatorTime = JsonPerfMeasurement.MeasureNavigationPerformance(
JsonNavigator.Create(utf8ByteArray),
numberOfIterations);
JsonExecutionTimes textExecutionTimes = new JsonExecutionTimes(
textReaderTime,
textWriterTime,
textNavigatorTime,
utf8ByteArray.Length,
"Text");
// Newtonsoft
TimeSpan newtonsoftReaderTime = JsonPerfMeasurement.MeasureReadPerformance(
NewtonsoftToCosmosDBReader.CreateFromString(json),
numberOfIterations);
TimeSpan newtonsoftWriterTime = JsonPerfMeasurement.MeasureWritePerformance(
NewtonsoftToCosmosDBWriter.CreateTextWriter(),
json,
numberOfIterations);
TimeSpan newtonsoftNavigatorTime = JsonPerfMeasurement.MeasureNavigationPerformance(
new JsonNewtonsoftNavigator(json),
numberOfIterations);
JsonExecutionTimes newtonsoftExecutionTimes = new JsonExecutionTimes(
newtonsoftReaderTime,
newtonsoftWriterTime,
newtonsoftNavigatorTime,
json.Length,
"Newtonsoft");
// Binary
byte[] binaryPayload = JsonTestUtils.ConvertTextToBinary(json);
TimeSpan binaryReaderTime = JsonPerfMeasurement.MeasureReadPerformance(
JsonReader.Create(binaryPayload),
numberOfIterations);
TimeSpan binarytWriterTime = JsonPerfMeasurement.MeasureWritePerformance(
JsonWriter.Create(JsonSerializationFormat.Binary),
json,
numberOfIterations);
TimeSpan binaryNavigatorTime = JsonPerfMeasurement.MeasureNavigationPerformance(
JsonNavigator.Create(binaryPayload),
numberOfIterations);
JsonExecutionTimes binaryExecutionTimes = new JsonExecutionTimes(
binaryReaderTime,
binarytWriterTime,
binaryNavigatorTime,
binaryPayload.Length,
"Binary");
JsonPerfMeasurement.PrintStatisticsTable(
filename,
textExecutionTimes,
newtonsoftExecutionTimes,
binaryExecutionTimes);
}
private void MultiSerializationRoundTrip(string json)
{
// Normalize the json to get rid of any formatting issues
json = this.NewtonsoftFormat(json);
foreach (SerializationFormat sourceFormat in Enum.GetValues(typeof(SerializationFormat)))
{
foreach (SerializationFormat destinationFormat in Enum.GetValues(typeof(SerializationFormat)))
{
IJsonReader reader;
switch (sourceFormat)
{
case SerializationFormat.Text:
reader = JsonReader.Create(Encoding.UTF8.GetBytes(json));
break;
case SerializationFormat.Binary:
reader = JsonReader.Create(JsonTestUtils.ConvertTextToBinary(json));
break;
case SerializationFormat.NewtonsoftText:
reader = NewtonsoftToCosmosDBReader.CreateFromString(json);
break;
case SerializationFormat.BinaryWithDictionaryEncoding:
JsonStringDictionary jsonStringDictionary = new JsonStringDictionary(capacity: 128);
reader = JsonReader.Create(JsonTestUtils.ConvertTextToBinary(json, jsonStringDictionary), jsonStringDictionary);
break;
default:
throw new ArgumentException($"Unexpected {nameof(sourceFormat)} of type: {sourceFormat}");
}
IJsonNavigator navigator;
switch (sourceFormat)
{
case SerializationFormat.Text:
navigator = JsonNavigator.Create(Encoding.UTF8.GetBytes(json));
break;
case SerializationFormat.Binary:
navigator = JsonNavigator.Create(JsonTestUtils.ConvertTextToBinary(json));
break;
case SerializationFormat.NewtonsoftText:
navigator = new JsonNewtonsoftNavigator(json);
break;
case SerializationFormat.BinaryWithDictionaryEncoding:
JsonStringDictionary jsonStringDictionary = new JsonStringDictionary(capacity: 128);
navigator = JsonNavigator.Create(JsonTestUtils.ConvertTextToBinary(json, jsonStringDictionary), jsonStringDictionary);
break;
default:
throw new ArgumentException($"Unexpected {nameof(sourceFormat)} of type: {sourceFormat}");
}
object[] sources = new object[] { reader, navigator };
foreach (object source in sources)
{
IJsonWriter writer;
JsonStringDictionary jsonStringDictionary;
switch (destinationFormat)
{
case SerializationFormat.Text:
writer = JsonWriter.Create(JsonSerializationFormat.Text);
jsonStringDictionary = null;
break;
case SerializationFormat.Binary:
writer = JsonWriter.Create(JsonSerializationFormat.Binary);
jsonStringDictionary = null;
break;
case SerializationFormat.NewtonsoftText:
writer = NewtonsoftToCosmosDBWriter.CreateTextWriter();
jsonStringDictionary = null;
break;
case SerializationFormat.BinaryWithDictionaryEncoding:
jsonStringDictionary = new JsonStringDictionary(capacity: 128);
writer = JsonWriter.Create(JsonSerializationFormat.Binary, jsonStringDictionary);
break;
default:
throw new ArgumentException($"Unexpected {nameof(destinationFormat)} of type: {destinationFormat}");
}
Stopwatch stopwatch = Stopwatch.StartNew();
switch (source)
{
case IJsonReader sourceReader:
writer.WriteAll(sourceReader);
break;
case IJsonNavigator sourceNavigator:
writer.WriteJsonNode(sourceNavigator, sourceNavigator.GetRootNode());
break;
default:
Assert.Fail("Failed to downcast source type.");
break;
}
stopwatch.Stop();
string result;
switch (writer.SerializationFormat)
{
case JsonSerializationFormat.Text:
result = Encoding.UTF8.GetString(writer.GetResult().ToArray());
break;
case JsonSerializationFormat.Binary:
result = JsonTestUtils.ConvertBinaryToText(writer.GetResult().ToArray(), jsonStringDictionary);
break;
default:
throw new ArgumentException();
}
result = this.NewtonsoftFormat(result);
Assert.AreEqual(json, result);
string sourceType = (source is IJsonReader) ? "Reader" : "Navigator";
Console.WriteLine($"{sourceFormat} {sourceType} to {destinationFormat} Writer took {stopwatch.ElapsedMilliseconds}ms");
}
}
}
}
private void NewtonsoftWrapperRoundTrip(string json)
{
// Normalize the json to get rid of any formatting issues
json = this.NewtonsoftFormat(json);
foreach (NewtonsoftWrapperFormat sourceFormat in Enum.GetValues(typeof(NewtonsoftWrapperFormat)))
{
foreach (NewtonsoftWrapperFormat destinationFormat in Enum.GetValues(typeof(NewtonsoftWrapperFormat)))
{
IJsonReader reader;
switch (sourceFormat)
{
case NewtonsoftWrapperFormat.NewtonsoftText:
reader = NewtonsoftToCosmosDBReader.CreateFromString(json);
break;
case NewtonsoftWrapperFormat.CosmosDBText:
reader = JsonReader.Create(Encoding.UTF8.GetBytes(json));
break;
case NewtonsoftWrapperFormat.CosmosDBBinary:
reader = JsonReader.Create(JsonPerfMeasurement.ConvertTextToBinary(json));
break;
default:
throw new ArgumentException($"Unexpected {nameof(sourceFormat)} of type: {sourceFormat}");
}
IJsonWriter writer;
switch (destinationFormat)
{
case NewtonsoftWrapperFormat.NewtonsoftText:
writer = NewtonsoftToCosmosDBWriter.CreateTextWriter();
break;
case NewtonsoftWrapperFormat.CosmosDBText:
writer = JsonWriter.Create(JsonSerializationFormat.Text);
break;
case NewtonsoftWrapperFormat.CosmosDBBinary:
writer = JsonWriter.Create(JsonSerializationFormat.Binary);
break;
default:
throw new ArgumentException($"Unexpected {nameof(sourceFormat)} of type: {sourceFormat}");
}
Stopwatch stopwatch = Stopwatch.StartNew();
writer.WriteAll(reader);
stopwatch.Stop();
string result;
switch (writer.SerializationFormat)
{
case JsonSerializationFormat.Text:
result = Encoding.UTF8.GetString(writer.GetResult().ToArray());
break;
case JsonSerializationFormat.Binary:
result = JsonTestUtils.ConvertBinaryToText(writer.GetResult().ToArray());
break;
default:
throw new ArgumentException();
}
result = this.NewtonsoftFormat(result);
Assert.AreEqual(json, result);
Console.WriteLine($"{sourceFormat} Reader to {destinationFormat} Writer took {stopwatch.ElapsedMilliseconds}ms");
}
}
}
private static void PerformRoundTrip(
SerializationFormat sourceFormat,
SerializationFormat destinationFormat,
string json)
{
JsonStringDictionary sourceDictionary = null;
IJsonReader reader;
switch (sourceFormat)
{
case SerializationFormat.Text:
reader = JsonReader.Create(Encoding.UTF8.GetBytes(json));
break;
case SerializationFormat.Binary:
reader = JsonReader.Create(JsonTestUtils.ConvertTextToBinary(json));
break;
case SerializationFormat.NewtonsoftText:
reader = NewtonsoftToCosmosDBReader.CreateFromString(json);
break;
case SerializationFormat.BinaryWithDictionaryEncoding:
sourceDictionary = new JsonStringDictionary(capacity: 128);
reader = JsonReader.Create(JsonTestUtils.ConvertTextToBinary(json, sourceDictionary), sourceDictionary);
break;
default:
throw new ArgumentException($"Unexpected {nameof(sourceFormat)} of type: {sourceFormat}");
}
IJsonNavigator navigator;
switch (sourceFormat)
{
case SerializationFormat.Text:
navigator = JsonNavigator.Create(Encoding.UTF8.GetBytes(json));
break;
case SerializationFormat.Binary:
navigator = JsonNavigator.Create(JsonTestUtils.ConvertTextToBinary(json));
break;
case SerializationFormat.NewtonsoftText:
navigator = new JsonNewtonsoftNavigator(json);
break;
case SerializationFormat.BinaryWithDictionaryEncoding:
sourceDictionary = new JsonStringDictionary(capacity: 128);
navigator = JsonNavigator.Create(JsonTestUtils.ConvertTextToBinary(json, sourceDictionary), sourceDictionary);
break;
default:
throw new ArgumentException($"Unexpected {nameof(sourceFormat)} of type: {sourceFormat}");
}
object[] sources = new object[] { reader, navigator };
foreach (object source in sources)
{
IJsonWriter writer;
JsonStringDictionary jsonStringDictionary;
switch (destinationFormat)
{
case SerializationFormat.Text:
writer = JsonWriter.Create(JsonSerializationFormat.Text);
jsonStringDictionary = null;
break;
case SerializationFormat.Binary:
writer = JsonWriter.Create(JsonSerializationFormat.Binary);
jsonStringDictionary = null;
break;
case SerializationFormat.NewtonsoftText:
writer = NewtonsoftToCosmosDBWriter.CreateTextWriter();
jsonStringDictionary = null;
break;
case SerializationFormat.BinaryWithDictionaryEncoding:
jsonStringDictionary = new JsonStringDictionary(capacity: 128);
if (sourceFormat == SerializationFormat.BinaryWithDictionaryEncoding)
{
int index = 0;
while (sourceDictionary.TryGetStringAtIndex(index++, out UtfAllString value))
{
Assert.IsTrue(jsonStringDictionary.TryAddString(value.Utf16String, out _));
}
}
writer = JsonWriter.Create(JsonSerializationFormat.Binary, jsonStringDictionary);
break;
default:
throw new ArgumentException($"Unexpected {nameof(destinationFormat)} of type: {destinationFormat}");
}
switch (source)
{
case IJsonReader sourceReader:
sourceReader.WriteAll(writer);
break;
case IJsonNavigator sourceNavigator:
sourceNavigator.WriteNode(sourceNavigator.GetRootNode(), writer);
break;
default:
Assert.Fail("Failed to downcast source type.");
break;
}
string result;
switch (writer.SerializationFormat)
{
case JsonSerializationFormat.Text:
result = Utf8String.UnsafeFromUtf8BytesNoValidation(writer.GetResult()).ToString();
break;
case JsonSerializationFormat.Binary:
result = JsonTestUtils.ConvertBinaryToText(writer.GetResult(), jsonStringDictionary);
break;
default:
throw new ArgumentException();
}
string normalizedResult = JsonRoundTripsTests.NewtonsoftFormat(result);
string normalizedJson = JsonRoundTripsTests.NewtonsoftFormat(json);
Assert.AreEqual(normalizedJson, normalizedResult);
}
}