Example of faking a server for mgeme testing (200x easier than sourcemod!)

mgeme_mock_server.py

# Example of faking a server for mgeme testing
# (Mgeme is a project of mine, but this code example may be useful to somebody else anyway)
import asyncio
import websockets
import sys
import json

host = sys.argv[1]
port = sys.argv[2]
secret = sys.argv[3]

hello = {
    'type': "ServerHello",
    "payload": {
            "apiKey": secret,
            "serverNum": "1",
            "serverHost": "xx.xx.xx.xx",
            "serverPort": "27015",
            "stvPort": "27020"
        }
    }

def matchBegan(match):
    return {
        "type": "MatchBegan",
        "payload": {
                "p1": match["p1Id"],
                "p2": match["p2Id"],
            }
        }

def matchResults(winner, loser, finished):
    return {
        "type": "MatchResults",
        "payload": {
                "winner": winner,
                "loser": loser,
                "finished": finished,
            }
        }

async def until(websocket, type):
    while True:
            msg = await websocket.recv()
            obj = json.loads(msg)
            try:
                if obj['type'] == type:
                    return obj
            except KeyError:
                pass

async def serv():
    async with websockets.connect(f"ws://{host}:{port}/tf2serverep") as websocket:
        print("Sending ServerHello")
        await websocket.send(
            json.dumps(hello)
            )
        await until(websocket, "ServerAck")
        print("Got ServerAck, waiting for MatchDetails")
        matchdets = await until(websocket, "MatchDetails")
        print("Got match details, waiting 5 seconds then beginning")
        await asyncio.sleep(5)
        await websocket.send(
            json.dumps(matchBegan(matchdets))
            )
        print("Began match, waiting 5 seconds then sending finish")
        await asyncio.sleep(5)
        await websocket.send(
            json.dumps(matchResults(matchdets["p1Id"], matchdets["p2Id"], True))
            )
        print("Sleeping 25 seconds")
        await asyncio.sleep(25)

asyncio.run(serv())