public void ParseMessage_TypeIsNull_ThrowException()
{
// arrange
ReadOnlySequence <byte> message = GetBytes($@"{{""type"": null, ""Foo"":1}}");
// act
Exception?ex = Record.Exception(() => GraphQLWebSocketMessageParser.Parse(message));
// assert
Assert.IsType <SerializationException>(ex).Message.MatchSnapshot();
}
public void ParseMessage_OnlyId_ThrowException()
{
// arrange
ReadOnlySequence <byte> message = GetBytes(@"{""id"": ""123""}");
// act
Exception?ex = Record.Exception(() => GraphQLWebSocketMessageParser.Parse(message));
// assert
Assert.IsType <SerializationException>(ex).Message.MatchSnapshot();
}
public void ParseMessage_KeepAlive_ParseMessage()
{
// arrange
ReadOnlySequence <byte> message = GetBytes(@"{""type"": ""ka""}");
// act
GraphQLWebSocketMessage parsed = GraphQLWebSocketMessageParser.Parse(message);
// assert
Assert.Equal(GraphQLWebSocketMessageType.KeepAlive, parsed.Type);
}
public void ParseMessage_UnknownType_ThrowException(string type)
{
// arrange
ReadOnlySequence <byte> message = GetBytes($@"{{""type"": ""{type}"", ""Foo"":1}}");
// act
Exception?ex = Record.Exception(() => GraphQLWebSocketMessageParser.Parse(message));
// assert
Assert.IsType <SerializationException>(ex)
.Message.MatchSnapshot(new SnapshotNameExtension(type));
}
public void ParseMessage_IncompleteDocument_ThrowException()
{
// arrange
ReadOnlySequence <byte> message = GetBytes(@"{""id"": ""123""");
// act
Exception?ex = Record.Exception(() => GraphQLWebSocketMessageParser.Parse(message));
// assert
Assert.NotNull(ex);
ex.Message.MatchSnapshot();
}
public void ParseMessage_ConnectionTerminate_ParseMessage()
{
// arrange
ReadOnlySequence <byte> message =
GetBytes(@"{""type"": ""connection_terminate"" }");
// act
GraphQLWebSocketMessage parsed = GraphQLWebSocketMessageParser.Parse(message);
// assert
Assert.Equal(GraphQLWebSocketMessageType.ConnectionTerminate, parsed.Type);
}
public void ParseMessage_ConnectionError_ParseMessage()
{
// arrange
ReadOnlySequence <byte> message =
GetBytes(@"{""type"": ""connection_error"", ""payload"": ""payload""}");
// act
GraphQLWebSocketMessage parsed = GraphQLWebSocketMessageParser.Parse(message);
// assert
Assert.Equal(GraphQLWebSocketMessageType.ConnectionError, parsed.Type);
Assert.Equal("payload", parsed.Payload.RootElement.ToString());
}
public void ParseMessage_Complete_ParseMessage()
{
// arrange
ReadOnlySequence <byte> message =
GetBytes(@"{""type"": ""complete"", ""id"":""123""}");
// act
GraphQLWebSocketMessage parsed = GraphQLWebSocketMessageParser.Parse(message);
// assert
Assert.Equal(GraphQLWebSocketMessageType.Complete, parsed.Type);
Assert.Equal("123", parsed.Id);
}
public void ParseMessage_Start_ParseMessage()
{
// arrange
ReadOnlySequence <byte> message =
GetBytes(@"{""type"": ""start"", ""id"":""123"", ""payload"": ""payload""}");
// act
GraphQLWebSocketMessage parsed = GraphQLWebSocketMessageParser.Parse(message);
// assert
Assert.Equal(GraphQLWebSocketMessageType.Start, parsed.Type);
Assert.Equal("123", parsed.Id);
Assert.Equal("payload", parsed.Payload.RootElement.ToString());
}
private ValueTask ProcessAsync(
ReadOnlySequence <byte> slice,
CancellationToken cancellationToken)
{
try
{
GraphQLWebSocketMessage message = GraphQLWebSocketMessageParser.Parse(slice);
if (message.Id is { } id)
{
return(message.Type switch
{
GraphQLWebSocketMessageType.Data =>
Notify(
id,
new DataDocumentOperationMessage <JsonDocument>(message.Payload),
cancellationToken),
GraphQLWebSocketMessageType.Complete =>
Notify(
id,
CompleteOperationMessage.Default,
cancellationToken),
GraphQLWebSocketMessageType.Error =>
Notify(
id,
ErrorOperationMessage.UnexpectedServerError,
cancellationToken),
GraphQLWebSocketMessageType.ConnectionError =>
Notify(
id,
ErrorOperationMessage.ConnectionInitializationError,
cancellationToken),
_ => CloseSocketOnProtocolError(
"Invalid message type received: " + message.Type,
cancellationToken)
});
}