fix(ws): when connected failed, it have not trigger a error event

src/WS/index.js

@@ -55,8 +55,8 @@ class WsRpc extends IPC_WS {
         this.socket.onclose = () => {
             this._closed();
         };
-        this.socket.onerror = () => {
-            this._errored();
+        this.socket.onerror = (err) => {
+            this._errored(err);
         };
         this.socket.onmessage = e => {
             const data = (typeof e.data === 'string') ? e.data : '';

src/communication/ipc_ws.js

@@ -12,7 +12,7 @@ class IpcWs extends Communication {
         this.responseCbs = {};
 
         this._connectEnd = null;
-        this._connectErr = null;
+        this._connectError = null;
         this._connectTimeout = null;
         this._connectConnect = null;
         this._connectClose = null;
@@ -31,7 +31,7 @@ class IpcWs extends Communication {
     }
 
     _errored(err) {
-        this._connectErr && this._connectErr(err);
+        this._connectError && this._connectError(err);
     }
 
     _parse(data) {

test/index.js

@@ -11,6 +11,7 @@ describe('Communication Test: src/communication', function () {
 describe('ViteAPI Test: src/viteAPI', function () {
     require('./packages/viteAPI/provider');
     require('./packages/viteAPI/index');
+    require('./packages/viteAPI/ws');
 });
 
 require('./packages/accountBlock/transaction');

test/packages/viteAPI/ws.js

@@ -0,0 +1,26 @@
+const assert = require('assert');
+
+import Provider from '../../../src/viteAPI/provider';
+import WS_RPC from '../../../src/WS';
+
+describe('test ws provider', () => {
+    it('should trigger event when connect successfully', (done) => {
+        const wsServer = new WS_RPC('wss://node-tokyo.vite.net/ws', 2000, {
+            retryInterval: 1,
+            retryTimes: -1
+        });
+        const viteClient = new Provider(wsServer, () => {
+            done();
+        });
+    });
+
+    it('should trigger error event when connected failed', (done) => {
+        const wsServer = new WS_RPC('wss://no.vite.net/ws', 2000, {
+            retryInterval: 1,
+            retryTimes: -1
+        });
+        wsServer.on('error', (err) => {
+            done();
+        });
+    });
+});