added realname variable + setter method

test/command_quit.js

@@ -0,0 +1,28 @@
+const assert = require('assert');
+const EventEmitter = require('events');
+const IRCServer = require("../src/server.js");
+
+describe("QUIT OK", function () {
+    it("should handle a QUIT command -> QUIT quitmessage", function (done) {
+        const server = IRCServer.create()
+
+        for (var i = 0; i < 3; i++) {
+
+            let mockedSock = new EventEmitter()
+
+            mockedSock.write = function (data) {
+            }
+
+            server.emit('connection', mockedSock)
+            mockedSock.emit('data', Buffer.from("NICK nick" + i + "\r\n", "ascii"))
+        }
+
+        mockedSock.quit("gone to have lunch")
+
+
+        mockedSock.destroy = function () {
+            done("Destroyed socket without answering")
+        }
+
+    })
+})