Files
appRobotControlScara/test/helpers/mockFluidNC.js
2026-04-22 13:47:51 +02:00

147 lines
4.2 KiB
JavaScript

const WebSocket = require("ws");
/**
* Mock FluidNC WebSocket Server für Tests
* Ermöglicht es, FluidNCClient in Tests gegen einen echten WS-Server zu testen
*/
class MockFluidNC {
constructor(host = "localhost", port = 9000) {
this.host = host;
this.port = port;
this.server = null;
this.clients = [];
this.messageHandlers = [];
this.receivedCommands = [];
}
/**
* Startet den Mock-Server
* @returns {Promise<void>}
*/
start() {
return new Promise((resolve, reject) => {
this.server = new WebSocket.Server({ host: this.host, port: this.port }, () => {
console.log(`[MockFluidNC] Server started on ws://${this.host}:${this.port}`);
resolve();
});
this.server.on("connection", (ws) => {
console.log("[MockFluidNC] Client connected");
this.clients.push(ws);
ws.on("message", (msg) => {
const msgStr = msg.toString().trim();
console.log(`[MockFluidNC] Received: ${msgStr}`);
// Befehl zur Historie hinzufügen
this.receivedCommands.push(msgStr);
// Handler aufrufen, die registriert wurden
this.messageHandlers.forEach(handler => handler(msgStr));
// Automatische Responses für spezielle Befehle
this._handleCommand(msgStr, ws);
});
ws.on("close", () => {
console.log("[MockFluidNC] Client disconnected");
this.clients = this.clients.filter(c => c !== ws);
});
ws.on("error", (err) => {
console.log("[MockFluidNC] Client error:", err.message);
});
});
this.server.on("error", reject);
});
}
/**
* Stoppt den Mock-Server
* @returns {Promise<void>}
*/
stop() {
return new Promise((resolve) => {
if (this.server) {
// Alle Clients disconnecten
this.clients.forEach(client => {
if (client.readyState === WebSocket.OPEN) {
client.close();
}
});
this.clients = [];
this.server.close(() => {
console.log("[MockFluidNC] Server stopped");
resolve();
});
} else {
resolve();
}
});
}
/**
* Sendet eine Nachricht an alle verbundenen Clients
* @param {string} msg
*/
broadcast(msg) {
this.clients.forEach(client => {
if (client.readyState === WebSocket.OPEN) {
client.send(msg);
}
});
}
/**
* Registriert einen Handler, der bei jeder empfangenen Nachricht aufgerufen wird
* @param {Function} handler - (msg: string) => void
*/
onMessage(handler) {
this.messageHandlers.push(handler);
}
/**
* Behandelt spezielle G-Code Befehle mit Auto-Responses
* @private
*/
_handleCommand(cmd, ws) {
if (cmd === "?") {
// Status request - sende eine Status-Antwort
ws.send("<Idle|MPos:0.000,0.000,0.000|FS:0,0>\n");
} else if (cmd.startsWith("$J=")) {
// Jog command - sende OK
ws.send("ok\n");
} else if (cmd.includes("G1") || cmd.includes("G0")) {
// G-Code command - sende OK
ws.send("ok\n");
}
}
/**
* Gibt die Anzahl verbundener Clients zurück
*/
getConnectedClientCount() {
return this.clients.length;
}
/**
* Gibt alle empfangenen Befehle zurück und leert die Liste
*/
getReceivedCommands() {
const commands = [...this.receivedCommands];
this.receivedCommands = [];
return commands;
}
/**
* Gibt den letzten empfangenen Befehl zurück
*/
getLastReceivedCommand() {
return this.receivedCommands[this.receivedCommands.length - 1];
}
}
module.exports = MockFluidNC;