add 3 threads case.

tests/pytest/random-test/random-test-multi-threading-3.py

+###################################################################
+#           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 -*-
+
+import sys
+import random
+import threading
+
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+
+last_tb = ""
+last_stb = ""
+written = 0
+
+
+class Test (threading.Thread):
+    def __init__(self, threadId, name):
+        threading.Thread.__init__(self)
+        self.threadId = threadId
+        self.name = name
+
+        self.threadLock = threading.Lock()
+
+    def create_table(self):
+        tdLog.info("create_table")
+        global last_tb
+        global written
+
+        current_tb = "tb%d" % int(round(time.time() * 1000))
+
+        if (current_tb == last_tb):
+            return
+        else:
+            tdLog.info("will create table %s" % current_tb)
+
+            try:
+                tdSql.execute(
+                    'create table %s (ts timestamp, speed int)' %
+                    current_tb)
+                last_tb = current_tb
+                written = 0
+            except Exception as e:
+                tdLog.info(repr(e))
+
+    def insert_data(self):
+        tdLog.info("insert_data")
+        global last_tb
+        global written
+
+        if (last_tb == ""):
+            tdLog.info("no table, create first")
+            self.create_table()
+
+        tdLog.info("will insert data to table")
+        for i in range(0, 10):
+            insertRows = 1000
+            tdLog.info("insert %d rows to %s" % (insertRows, last_tb))
+
+            for j in range(0, insertRows):
+                ret = tdSql.execute(
+                    'insert into %s values (now + %dm, %d)' %
+                    (last_tb, j, j))
+                written = written + 1
+
+    def query_data(self):
+        tdLog.info("query_data")
+        global last_tb
+        global written
+
+        if (written > 0):
+            tdLog.info("query data from table")
+            tdSql.query("select * from %s" % last_tb)
+            tdSql.checkRows(written)
+
+    def create_stable(self):
+        tdLog.info("create_stable")
+        global last_tb
+        global last_stb
+        global written
+
+        current_stb = "stb%d" % int(round(time.time() * 1000))
+
+        if (current_stb == last_stb):
+            return
+        else:
+            tdLog.info("will create stable %s" % current_stb)
+            tdSql.execute(
+                'create table %s(ts timestamp, c1 int, c2 nchar(10)) tags (t1 int, t2 nchar(10))' %
+                current_stb)
+            last_stb = current_stb
+
+            current_tb = "tb%d" % int(round(time.time() * 1000))
+            tdSql.execute(
+                "create table %s using %s tags (1, '表1')" %
+                (current_tb, last_stb))
+            last_tb = current_tb
+            tdSql.execute(
+                "insert into %s values (now, 27, '我是nchar字符串')" %
+                last_tb)
+            written = written + 1
+
+
+    def drop_stable(self):
+        tdLog.info("drop_stable")
+        global last_stb
+
+        if (last_stb == ""):
+            tdLog.info("no super table")
+            return
+        else:
+            tdLog.info("will drop last super table")
+            tdSql.execute('drop table %s' % last_stb)
+            last_stb = ""
+
+    def restart_database(self):
+        tdLog.info("restart_database")
+        global last_tb
+        global written
+
+        tdDnodes.stop(1)
+        tdDnodes.start(1)
+
+    def force_restart_database(self):
+        tdLog.info("force_restart_database")
+        global last_tb
+        global written
+
+        tdDnodes.forcestop(1)
+        tdDnodes.start(1)
+
+    def drop_table(self):
+        tdLog.info("drop_table")
+        global last_tb
+        global written
+
+        for i in range(0, 10):
+            if (last_tb != ""):
+                tdLog.info("drop last_tb %s" % last_tb)
+                tdSql.execute("drop table %s" % last_tb)
+                last_tb = ""
+                written = 0
+
+
+    def query_data_from_stable(self):
+        tdLog.info("query_data_from_stable")
+        global last_stb
+
+        if (last_stb == ""):
+            tdLog.info("no super table")
+            return
+        else:
+            tdLog.info("will query data from super table")
+            tdSql.execute('select * from %s' % last_stb)
+
+
+    def reset_query_cache(self):
+        tdLog.info("reset_query_cache")
+        global last_tb
+        global written
+
+        tdLog.info("reset query cache")
+        tdSql.execute("reset query cache")
+        tdLog.sleep(1)
+
+    def reset_database(self):
+        tdLog.info("reset_database")
+        global last_tb
+        global last_stb
+        global written
+
+        tdDnodes.forcestop(1)
+        tdDnodes.deploy(1)
+        last_tb = ""
+        last_stb = ""
+        written = 0
+        tdDnodes.start(1)
+        tdSql.prepare()
+
+    def delete_datafiles(self):
+        tdLog.info("delete_data_files")
+        global last_tb
+        global written
+
+        dnodesDir = tdDnodes.getDnodesRootDir()
+        dataDir = dnodesDir + '/dnode1/*'
+        deleteCmd = 'rm -rf %s' % dataDir
+        os.system(deleteCmd)
+
+        last_tb = ""
+        written = 0
+        tdDnodes.start(1)
+        tdSql.prepare()
+
+    def run(self):
+        dataOp = {
+            1: self.insert_data,
+            2: self.query_data,
+            3: self.query_data_from_stable,
+        }
+
+        dbOp = {
+            1: self.create_table,
+            2: self.create_stable,
+            3: self.restart_database,
+            4: self.force_restart_database,
+            5: self.drop_table,
+            6: self.reset_query_cache,
+            7: self.reset_database,
+            8: self.delete_datafiles,
+            9: self.drop_stable,
+        }
+
+        queryOp = {
+            1: self.query_data,
+            2: self.query_data_from_stable,
+        }
+
+        if (self.threadId == 1):
+            while True:
+                self.threadLock.acquire()
+                tdLog.notice("first thread")
+                randDataOp = random.randint(1, 3)
+                dataOp.get(randDataOp , lambda: "ERROR")()
+                self.threadLock.release()
+
+        elif (self.threadId == 2):
+            while True:
+                tdLog.notice("second thread")
+                self.threadLock.acquire()
+                randDbOp = random.randint(1, 9)
+                dbOp.get(randDbOp, lambda: "ERROR")()
+                self.threadLock.release()
+        elif (self.threadId == 3):
+            while True:
+                tdLog.notice("third thread")
+                self.threadLock.acquire()
+                randQueryOp = random.randint(1, 9)
+                queryOp.get(randQueryOp, lambda: "ERROR")()
+                self.threadLock.release()
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+    def run(self):
+        tdSql.prepare()
+
+        test1 = Test(1, "data operation")
+        test2 = Test(2, "db operation")
+        test2 = Test(3, "query operation")
+
+        test1.start()
+        test2.start()
+        test3.start()
+        test1.join()
+        test2.join()
+        test3.join()
+
+        tdLog.info("end of test")
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())