fix/add-balance-leader-case

tests/system-test/0-others/kill_balance_leader.py

@@ -0,0 +1,64 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+from util.log import *
+from util.cases import *
+from util.dnodes import *
+from util.sql import *
+
+
+
+class TDTestCase:
+    def init(self, conn, logSql, replicaVar=1):
+        tdLog.debug(f"start to init {__file__}")
+        self.replicaVar = int(replicaVar)
+        tdSql.init(conn.cursor(), logSql)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success(f"{__file__} successfully executed")
+
+    def run(self):
+      tdLog.debug(f"start to excute {__file__}")
+
+      tdSql.execute('CREATE DATABASE db vgroups 160 replica 3;')
+
+      tdSql.execute('balance vgroup leader')
+
+      sql ="show transactions;"
+      rows = tdSql.query(sql)
+
+      if rows > 0:
+          tranId = tdSql.getData(0, 0)
+          tdLog.info('kill transaction %d'%tranId)
+          tdSql.execute('kill transaction %d'%tranId, queryTimes=1 )
+
+      if self.waitTransactionZero() is False:
+          tdLog.exit(f"{sql} transaction not finished")
+          return False
+
+    def waitTransactionZero(self, seconds = 300, interval = 1):
+        # wait end
+        for i in range(seconds):
+            sql ="show transactions;"
+            rows = tdSql.query(sql)
+            if rows == 0:
+                tdLog.info("transaction count became zero.")
+                return True
+            #tdLog.info(f"i={i} wait ...")
+            time.sleep(interval)
+        
+        return False 
+
+
+tdCases.addLinux(__file__, TDTestCase())
+tdCases.addWindows(__file__, TDTestCase())