fix: check read/write call

application/source/data/datasource/websocket.mjs

@@ -236,7 +236,7 @@ class WebSocketDatasource extends Datasource {
         const self = this;
         let response;
 
-        if (self[connectionSymbol].socket||self[connectionSymbol].socket.readyState!==1) {
+        if (self[connectionSymbol]?.socket?.readyState!==1) {
             return Promise.reject('The connection is not established.');
         }        
 
@@ -292,7 +292,7 @@ class WebSocketDatasource extends Datasource {
     write() {
         const self = this;
         
-        if (self[connectionSymbol].socket||self[connectionSymbol].socket.readyState!==1) {
+        if (self[connectionSymbol]?.socket?.readyState!==1) {
             return Promise.reject('The connection is not established.');
         }
 

development/test/cases/data/datasource/websocket.mjs

@@ -98,7 +98,8 @@ describe('Websocket', function () {
             }).catch((err) => {
                 done(new Error(err));
             })
-        }, 1000)
+        }, 
+            500)
 
 
     }).timeout(10000);