[TD-2295] feature: add test case to support hivemq extension.

tests/pytest/hivemq-extension-test.py

+#!/usr/bin/python
+###################################################################
+#           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
+#
+###################################################################
+# install pip
+# pip install src/connector/python/linux/python2/
+import sys
+import os
+import os.path
+import time
+import glob
+import getopt
+import subprocess
+from shutil import which
+from multipledispatch import dispatch
+
+@dispatch(str, str)
+def v_print(msg: str, arg: str):
+    if verbose:
+        print(msg % arg)
+
+
+@dispatch(str, int)
+def v_print(msg: str, arg: int):
+    if verbose:
+        print(msg % int(arg))
+
+
+@dispatch(str, int, int)
+def v_print(msg: str, arg1: int, arg2: int):
+    if verbose:
+        print(msg % (int(arg1), int(arg2)))
+
+
+@dispatch(str, int, int, int)
+def v_print(msg: str, arg1: int, arg2: int, arg3: int):
+    if verbose:
+        print(msg % (int(arg1), int(arg2), int(arg3)))
+
+
+@dispatch(str, int, int, int, int)
+def v_print(msg: str, arg1: int, arg2: int, arg3: int, arg4: int):
+    if verbose:
+        print(msg % (int(arg1), int(arg2), int(arg3), int(arg4)))
+
+def isHiveMQInstalled():
+    v_print("%s", "Check if HiveMQ installed")
+    defaultHiveMQPath = "/opt/hivemq*"
+    hiveMQDir = glob.glob(defaultHiveMQPath)
+    if (len(hiveMQDir) == 0):
+        return False
+    else:
+        v_print("HiveMQ installed at %s", hiveMQDir[0])
+    return True
+
+def isMosquittoInstalled():
+    v_print("%s", "Check if mosquitto installed")
+    if not which('mosquitto_pub'):
+        v_print("%s", "mosquitto is not installed")
+        return False
+    else:
+        return True
+
+def installExtension():
+    currentDir = os.getcwd()
+    os.chdir('../../src/connector/hivemq-tdengine-extension')
+    v_print("%s", "build extension..")
+    os.system('mvn clean package')
+
+    tdExtensionZip = 'target/hivemq-tdengine-extension*.zip'
+    tdExtensionZipDir = glob.glob(tdExtensionZip)
+
+    defaultHiveMQPath = "/opt/hivemq*"
+    hiveMQDir = glob.glob(defaultHiveMQPath)
+    extPath = hiveMQDir[0] + '/extensions'
+
+    tdExtDir = glob.glob(extPath + '/hivemq-tdengine-extension')
+    if len(tdExtDir):
+        v_print("%s", "delete exist extension..")
+        os.system('rm -rf %s' % tdExtDir[0])
+
+    v_print("%s", "unzip extension..")
+    os.system('unzip %s -d %s' % (tdExtensionZipDir[0], extPath))
+
+    os.chdir(currentDir)
+
+def stopHiveMQ():
+    toBeKilled = "hivemq.jar"
+    psCmd = "ps ax|grep -w %s| grep -v grep | awk '{print $1}'" % toBeKilled
+
+    processID = subprocess.check_output(
+        psCmd, shell=True).decode("utf-8")
+
+    while(processID):
+        killCmd = "kill -TERM %s > /dev/null 2>&1" % processID
+        os.system(killCmd)
+        time.sleep(1)
+        processID = subprocess.check_output(
+            psCmd, shell=True).decode("utf-8")
+        print("hiveMQ processID: %s" % processID)
+    v_print("%s", "hivemq is NOT running")
+
+def runHiveMQ():
+    defaultHiveMQPath = "/opt/hivemq*"
+    hiveMQDir = glob.glob(defaultHiveMQPath)
+    runPath = hiveMQDir[0] + '/bin/run.sh > /dev/null &'
+    os.system(runPath)
+    time.sleep(10)
+    v_print("%s", "hivemq is running")
+
+def runTDengine():
+    pass
+
+def reCreateDatabase():
+    os.system('taos -s "DROP DATABASE IF EXISTS hivemq"')
+    os.system('taos -s "CREATE DATABASE IF NOT EXISTS hivemq"')
+
+def sendMqttMsg(topic: str, payload: str):
+    testStr = 'mosquitto_pub -t %s -m "%s"' % (topic, payload)
+    os.system(testStr)
+    time.sleep(3)
+
+def checkTDengineData(topic: str, payload: str):
+    output = subprocess.check_output('taos -s "select * from hivemq.mqtt_payload"', shell=True).decode('utf-8')
+    if (topic in output) and (payload in output):
+        v_print("%s", output)
+        return True
+    else:
+        v_print("%s", "ERROR: mqtt topic or payload NOT found")
+        return False
+
+
+if __name__ == "__main__":
+    verbose = True
+    testTopic = 'test'
+    testPayload = 'hello world'
+
+    if not isHiveMQInstalled():
+        sys.exit(1)
+
+    if not isMosquittoInstalled():
+        sys.exit(1)
+
+    stopHiveMQ()
+
+    installExtension()
+
+    runTDengine()
+
+    reCreateDatabase()
+
+    runHiveMQ()
+
+    sendMqttMsg(testTopic, testPayload)
+
+    if not checkTDengineData(testTopic, testPayload):
+        sys.exit(1)
+
+    sys.exit(0)