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Fix TS msgpack on IE and Ping breaking connection on server (#2847)

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BrennanConroy 2018-08-21 14:47:43 -07:00 committed by GitHub
parent 60d617c5ac
commit ac0e8f11ca
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2 changed files with 14 additions and 3 deletions
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5
clients/ts/signalr-protocol-msgpack/src/MessagePackHubProtocol.ts
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@ -12,7 +12,8 @@ import { BinaryMessageFormat } from "./BinaryMessageFormat";
// constant encoding of the ping message
// see: https://github.com/aspnet/SignalR/blob/dev/specs/HubProtocol.md#ping-message-encoding-1
const SERIALIZED_PING_MESSAGE: ArrayBuffer = Uint8Array.from([0x91, MessageType.Ping]).buffer;
// Don't use Uint8Array.from as IE does not support it
const SERIALIZED_PING_MESSAGE: Uint8Array = new Uint8Array([0x91, MessageType.Ping]);
/** Implements the MessagePack Hub Protocol */
export class MessagePackHubProtocol implements IHubProtocol {
@ -67,7 +68,7 @@ export class MessagePackHubProtocol implements IHubProtocol {
case MessageType.Completion:
throw new Error(`Writing messages of type '${message.type}' is not supported.`);
case MessageType.Ping:
return SERIALIZED_PING_MESSAGE;
return BinaryMessageFormat.write(SERIALIZED_PING_MESSAGE);
default:
throw new Error("Invalid message type.");
}

12
clients/ts/signalr-protocol-msgpack/tests/MessagePackHubProtocol.test.ts
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@ -4,7 +4,7 @@
import { CompletionMessage, InvocationMessage, MessageType, NullLogger, StreamItemMessage } from "@aspnet/signalr";
import { MessagePackHubProtocol } from "../src/MessagePackHubProtocol";
describe("MessageHubProtocol", () => {
describe("MessagePackHubProtocol", () => {
it("can write/read non-blocking Invocation message", () => {
const invocation = {
arguments: [42, true, "test", ["x1", "y2"], null],
@ -188,4 +188,14 @@ describe("MessageHubProtocol", () => {
},
]);
});
it("can write ping message", () => {
const payload = new Uint8Array([
0x02, // length prefix
0x91, // message array length = 1 (fixarray)
0x06, // type = 6 = Ping (fixnum)
]);
const buffer = new MessagePackHubProtocol().writeMessage({ type: MessageType.Ping });
expect(new Uint8Array(buffer)).toEqual(payload);
});
});