Removes all stdout/err logs while testing

src/logger.js

@@ -10,7 +10,31 @@ if (typeof process !== 'undefined' && process.env.NODE_ENV === 'test') {
 }
 
 let currentLogsFolder = LOGS_FOLDER;
-var currentTransports;
+
+function generateTransports() {
+  let level = process.env.VERBOSE ? 'verbose': 'info';
+  let transports = [
+    new (DailyRotateFile)({
+      filename: 'parse-server.info',
+      dirname: currentLogsFolder,
+      name: 'parse-server',
+      level: level
+    }),
+    new (DailyRotateFile)({
+      filename: 'parse-server.err',
+      dirname: currentLogsFolder,
+      name: 'parse-server-error',
+      level: 'error'
+    })
+  ]
+  if (!process.env.TESTING) {
+    transports = [new (winston.transports.Console)({
+      colorize: true,
+      level:level
+    })].concat(transports);
+  }
+  return transports;
+}
 
 const logger = new winston.Logger();
 
@@ -25,27 +49,8 @@ export function configureLogger({logsFolder}) {
   }
   currentLogsFolder = logsFolder;
 
-  currentTransports = [
-    new (winston.transports.Console)({
-      colorize: true,
-      level: process.env.VERBOSE ? 'verbose': 'info'
-    }),
-    new (DailyRotateFile)({
-      filename: 'parse-server.info',
-      dirname: currentLogsFolder,
-      name: 'parse-server',
-      level: process.env.VERBOSE ? 'verbose': 'info'
-    }),
-    new (DailyRotateFile)({
-      filename: 'parse-server.err',
-      dirname: currentLogsFolder,
-      name: 'parse-server-error',
-      level: 'error'
-    })
-  ]
-
   logger.configure({
-    transports: currentTransports
+    transports:  generateTransports()
   })
 }
 
@@ -53,34 +58,19 @@ configureLogger({logsFolder: LOGS_FOLDER});
 
 export function addGroup(groupName) {
   let level = process.env.VERBOSE ? 'verbose': 'info';
+
+  let transports =  generateTransports().concat(new (DailyRotateFile)({
+    filename: groupName,
+    dirname: currentLogsFolder,
+    name: groupName,
+    level: level
+  }));
+
   winston.loggers.add(groupName, {
-    transports:  [
-      new (winston.transports.Console)({
-        colorize: true,
-        level: level
-      }),
-      new (DailyRotateFile)({
-        filename: groupName,
-        dirname: currentLogsFolder,
-        name: groupName,
-        level: level
-      }),
-      new (DailyRotateFile)({
-        filename: 'parse-server.info',
-        name: 'parse-server',
-        dirname: currentLogsFolder,
-        level: level
-      }),
-      new (DailyRotateFile)({
-        filename: 'parse-server.err',
-        dirname: currentLogsFolder,
-        name: 'parse-server-error',
-        level: 'error'
-      })
-    ]
+    transports: transports
   });
   return winston.loggers.get(groupName);
 }
 
 export { logger };
-export default winston;
+export default logger;