♻️ Merge 'test' & 'chainedSession' methods

lib/ssh.js

@@ -1,28 +1,7 @@
 const { Client } = require('ssh2');
 
 module.exports = {
-    test: ({ address, port, user, password }) => new Promise((resolve, reject) => {
-        const client = new Client();
-        client.on('error', ({ level: error }) => {
-            if(error === 'client-authentication')
-                reject('WRONG_CREDENTIALS');
-            else if(['client-socket', 'client-timeout'].includes(error))
-                reject('WRONG_DESTINATION');
-            else
-                reject();
-        });
-        client.on('ready', () => {
-            client.end();
-            resolve();
-        });
-        client.connect({
-            host: address,
-            port,
-            username: user,
-            password
-        });
-    }),
-    chainedSession: (hostsChain, onReady, onClose, onError) => {
+    chainedSession: (hostsChain, onReady, onClose, onError, isTest) => {
         const clients = [];
         (async () => {
             for(let i = 0; i < hostsChain.length; i++){
@@ -36,7 +15,11 @@ module.exports = {
                     client.on('ready', () => {
                         if(nextHost) resolve();
                         else {
-                            client.shell((error, clientStream) => {
+                            if(isTest){
+                                client.end();
+                                onReady();
+                            }
+                            else client.shell((error, clientStream) => {
                                 if(error) return onError(error);
                                 clientStream.on('unpipe', () => {
                                     onClose(clientStream);

lib/tui/index.js

@@ -512,7 +512,20 @@ const getControllers = (stream, end) => {
                                 case 'cancel': return _controllers.main(user);
                                 case 'test': {
                                     const { address, port, user, password } = host2;
-                                    ssh.test({ address, port, user, password }).then(() => res(true)).catch(res);
+                                    ssh.chainedSession(
+                                        [{ address, port, user, password }],
+                                        () => res(true),
+                                        undefined,
+                                        ({ level: error }) => {
+                                            if(error === 'client-authentication')
+                                                res('WRONG_CREDENTIALS');
+                                            else if(['client-socket', 'client-timeout'].includes(error))
+                                                res('WRONG_DESTINATION');
+                                            else
+                                                res();
+                                        },
+                                        true
+                                    );
                                     return;
                                 }
                                 case 'submit': {