[TD-12191]<test>(query): add test case for TD-12191 to generate issue for tmr_task error

tests/system-test/2-query/TD-12191.py

+###################################################################
+#           Copyright (c) 2020 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 posixpath import split
+import sys
+import os 
+import psutil
+
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+import subprocess
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+        self.ts = 1420041600000 # 2015-01-01 00:00:00  this is begin time for first record
+        self.num = 10
+        
+
+    def getBuildPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("community")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+
+        for root, dirs, files in os.walk(projPath):
+            if ("taosd" in files):
+                rootRealPath = os.path.dirname(os.path.realpath(root))
+                if ("packaging" not in rootRealPath):
+                    buildPath = root[:len(root) - len("/build/bin")]
+                    break
+        return buildPath
+
+    def getcfgPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+        print(selfPath)
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("community")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+        
+        cfgPath = projPath + "/sim/dnode1/cfg  "
+        return cfgPath
+
+    def caseDescription(self):
+
+        '''
+        case1 <wenzhouwww>: [TD-12191] : 
+            this test case is an test case for unexpectd error for taosd work error ,it maybe caused by  ;
+        ''' 
+        return 
+   
+    def run(self):
+        tdSql.prepare()
+        
+        # prepare data for generate draft 
+
+        build_path = self.getBuildPath()+"/build/bin/"
+        taos_cmd1= "%staosBenchmark -f 2-query/td_12191.json " % (build_path)
+        print(taos_cmd1)
+        taos_cmd2 = 'taos -s "create table test_TD11483.elapsed_vol as select elapsed(ts) from test_TD11483.stb interval(1m) sliding(30s)"'
+        taos_cmd3 = 'taos -s "show queries;"'
+        taos_cmd4 = 'taos -s "show streams;"'
+
+        # only taos -s for shell can generate this issue 
+        _ = subprocess.check_output(taos_cmd1, shell=True).decode("utf-8")
+        _ = subprocess.check_output(taos_cmd2, shell=True).decode("utf-8")
+        _ = subprocess.check_output(taos_cmd3, shell=True).decode("utf-8")
+        _ = subprocess.check_output(taos_cmd4, shell=True).decode("utf-8")  
+
+        # check data written done 
+        tdSql.execute("use test_TD11483")
+        tdSql.query("select count(*) from elapsed_vol;")
+        tdSql.checkRows(0)
+
+        taosd_pid = int(subprocess.getstatusoutput('ps aux|grep "taosd" |grep -v "grep"|awk \'{print $2}\'')[1])
+        
+        sleep(10)
+        cmd = "top -H -p %d -n 1"%taosd_pid
+        sys_output = subprocess.check_output(cmd, shell=True).decode("utf-8")
+        print(sys_output)
+
+        cmd_insert = "%staosBenchmark -y -n 10 -t 10 -S 10000 > /dev/null 2>&1 & " % (build_path)
+        os.system(cmd_insert)
+        sleep(5)
+        tdSql.query("select count(*) from meters")
+        tdSql.checkData(0,0,10)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
+
+