add encoder for consolecmd message

package-lock.json

@@ -679,6 +679,11 @@
       "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
       "dev": true
     },
+    "text-encoding-shim": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/text-encoding-shim/-/text-encoding-shim-1.0.0.tgz",
+      "integrity": "sha1-3C8y0Kb2IeOalsShWo7NzTGHwNY="
+    },
     "through2": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.3.tgz",

package.json

@@ -12,7 +12,8 @@
     "bit-buffer": "^0.2.3",
     "clone": "^2.1.0",
     "minimist": "1.1.x",
-    "snappyjs": "^0.5.0"
+    "snappyjs": "^0.5.0",
+    "text-encoding-shim": "^1.0.0"
   },
   "devDependencies": {
     "@types/node": "^6.0.52",

src/Parser/Message/ConsoleCmd.ts

@@ -2,6 +2,7 @@ import {ConsoleCmdPacket} from '../../Data/Packet';
 import {Parser} from './Parser';
 import {BitStream} from 'bit-buffer';
 import {ConsoleCmdMessage, MessageHandler, MessageType} from '../../Data/Message';
+import {TextEncoder} from 'text-encoding-shim';
 
 export class ConsoleCmd extends Parser {
 	public parse(): ConsoleCmdPacket[] {
@@ -27,6 +28,11 @@ export const ConsoleCmdHandler: MessageHandler<ConsoleCmdMessage> = {
 		};
 	},
 	encodeMessage: (message: ConsoleCmdMessage, stream: BitStream) => {
+		stream.writeUint32(message.tick);
+
+		const byteLength = (new TextEncoder('utf-8').encode(message.command)).length + 1; // +1 for null termination
+		stream.writeUint32(byteLength);
+
 		stream.writeUTF8String(message.command);
 	}
 };

src/tests/unit/Parser/Message/ConsoleCmdTest.ts

@@ -0,0 +1,29 @@
+import {BitStream} from 'bit-buffer';
+import {assertEncoder} from '../Packet/PacketTest';
+import {ConsoleCmdHandler} from '../../../../Parser/Message/ConsoleCmd';
+import {ParserState} from '../../../../Data/ParserState';
+import {MessageType} from '../../../../Data/Message';
+
+function parse(stream) {
+	const result = ConsoleCmdHandler.parseMessage(stream, new ParserState());
+	delete result.rawData;
+	return result;
+}
+
+suite('ConsoleCmd', () => {
+	test('Encode ConsoleCmd message', () => {
+		assertEncoder(parse, ConsoleCmdHandler.encodeMessage, {
+			type: MessageType.ConsoleCmd,
+			tick: 1234,
+			command: 'foobar'
+		}, 120);
+	});
+
+	test('Encode ConsoleCmd message unicode', () => {
+		assertEncoder(parse, ConsoleCmdHandler.encodeMessage, {
+			type: MessageType.ConsoleCmd,
+			tick: 1234,
+			command: 'smile☺'
+		}, 136);
+	});
+});