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ExtensionsTest.py
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# Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
#
# WSO2 Inc. licenses this file to you under the Apache License,
# Version 2.0 (the "License"); you may not use this file except
# in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from subprocess import call
import os
from PySiddhi4 import SiddhiLoader
# Download extension jars
path = os.path.join(os.path.dirname(os.path.abspath(__file__)),
os.path.join("Resources", "Extensions4"))
if os.name == "nt": # For windows, shell=True is required
call(["mvn", "install"], shell=True, cwd=path)
else: # For linux, shell=True causes cwd to not function properly
call(["mvn", "install"], cwd=path)
# Add extensions
extensions_path = os.path.join(path,"jars/*")
SiddhiLoader.addExtensionPath(extensions_path)
import unittest
import logging
from time import sleep
from PySiddhi4.DataTypes.LongType import LongType
from PySiddhi4.core.SiddhiManager import SiddhiManager
from PySiddhi4.core.query.output.callback.QueryCallback import QueryCallback
from PySiddhi4.core.util.EventPrinter import PrintEvent
logging.basicConfig(level=logging.INFO)
from unittest.case import TestCase
from Tests.Util.AtomicInt import AtomicInt
class TestExtensions(TestCase):
def setUp(self):
self.eventArrived = False
self.count = AtomicInt(0)
def testTimeSeriesSimpleLinearRegression(self):
logging.info("Simple Regression TestCase")
siddhiManager = SiddhiManager()
siddhiManager.setExtension("timeseries:regress",
"org.wso2.extension.siddhi.execution.timeseries.LinearRegressionStreamProcessor")
inputStream = "define stream InputStream (y int, x int);"
siddhiApp = "@info(name = 'query1') from InputStream#timeseries:regress(1, 100, 0.95, y, x) " + \
"select * " + \
"insert into OutputStream;"
siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(inputStream + siddhiApp)
self.betaZero = 0
_self_shaddow = self
class QueryCallbackImpl(QueryCallback):
def receive(self, timestamp, inEvents, outEvents):
PrintEvent(timestamp, inEvents, outEvents)
_self_shaddow.count.addAndGet(len(inEvents))
_self_shaddow.betaZero = inEvents[len(inEvents) - 1].getData(3)
siddhiAppRuntime.addCallback("query1", QueryCallbackImpl())
inputHandler = siddhiAppRuntime.getInputHandler("InputStream")
siddhiAppRuntime.start()
inputHandler.send([2500.00, 17.00])
inputHandler.send([2600.00, 18.00])
inputHandler.send([3300.00, 31.00])
inputHandler.send([2475.00, 12.00])
inputHandler.send([2313.00, 8.00])
inputHandler.send([2175.00, 26.00])
inputHandler.send([600.00, 14.00])
inputHandler.send([460.00, 3.00])
inputHandler.send([240.00, 1.00])
inputHandler.send([200.00, 10.00])
inputHandler.send([177.00, 0.00])
inputHandler.send([140.00, 6.00])
inputHandler.send([117.00, 1.00])
inputHandler.send([115.00, 0.00])
inputHandler.send([2600.00, 19.00])
inputHandler.send([1907.00, 13.00])
inputHandler.send([1190.00, 3.00])
inputHandler.send([990.00, 16.00])
inputHandler.send([925.00, 6.00])
inputHandler.send([365.00, 0.00])
inputHandler.send([302.00, 10.00])
inputHandler.send([300.00, 6.00])
inputHandler.send([129.00, 2.00])
inputHandler.send([111.00, 1.00])
inputHandler.send([6100.00, 18.00])
inputHandler.send([4125.00, 19.00])
inputHandler.send([3213.00, 1.00])
inputHandler.send([2319.00, 38.00])
inputHandler.send([2000.00, 10.00])
inputHandler.send([1600.00, 0.00])
inputHandler.send([1394.00, 4.00])
inputHandler.send([935.00, 4.00])
inputHandler.send([850.00, 0.00])
inputHandler.send([775.00, 5.00])
inputHandler.send([760.00, 6.00])
inputHandler.send([629.00, 1.00])
inputHandler.send([275.00, 6.00])
inputHandler.send([120.00, 0.00])
inputHandler.send([2567.00, 12.00])
inputHandler.send([2500.00, 28.00])
inputHandler.send([2350.00, 21.00])
inputHandler.send([2317.00, 3.00])
inputHandler.send([2000.00, 12.00])
inputHandler.send([715.00, 1.00])
inputHandler.send([660.00, 9.00])
inputHandler.send([650.00, 0.00])
inputHandler.send([260.00, 0.00])
inputHandler.send([250.00, 1.00])
inputHandler.send([200.00, 13.00])
inputHandler.send([180.00, 6.00])
sleep(1)
self.assertEqual(50, self.count.get(), "No of events: ")
self.assertTrue(573.1418421169493 - 0.001 < self.betaZero < 573.1418421169493 + 0.001,
"Beta0: " + str(573.1418421169493 - self.betaZero))
siddhiAppRuntime.shutdown()
def testMathRandomFunctionWithSeed(self):
logging.info("RandomFunctionExtension TestCase, with seed")
# Creating SiddhiManager
siddhiManager = SiddhiManager()
# Creating Query
streamDefinition = "define stream inputStream (symbol string, price long, volume long);"
query = "@info(name = 'query1') from inputStream select symbol , math:rand(12) as randNumber " + \
"insert into outputStream;"
# Setting up Siddhi App
siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(streamDefinition + query)
# Setting up callback
_self_shaddow = self
class ConcreteQueryCallback(QueryCallback):
def receive(self, timestamp, inEvents, outEvents):
PrintEvent(timestamp, inEvents, outEvents)
_self_shaddow.count.addAndGet(len(inEvents))
_self_shaddow.eventArrived = True
if len(inEvents) == 3:
randNumbers = [0, 0, 0]
randNumbers[0] = inEvents[0].getData(1)
randNumbers[1] = inEvents[1].getData(1)
randNumbers[2] = inEvents[2].getData(1)
isDuplicatePresent = False
logging.info(randNumbers[0] + ", " + randNumbers[1])
if randNumbers[0] == randNumbers[1] or randNumbers[0] == randNumbers[2] or randNumbers[1] == \
randNumbers[2]:
isDuplicatePresent = True
_self_shaddow.assertEquals(False, isDuplicatePresent)
siddhiAppRuntime.addCallback("query1", ConcreteQueryCallback())
# Retrieving input handler to push events into Siddhi
inputHandler = siddhiAppRuntime.getInputHandler("inputStream")
# Starting event processing
siddhiAppRuntime.start()
# Sending events to Siddhi
inputHandler.send(["IBM", 700.0, LongType(100)])
inputHandler.send(["WSO2", 60.5, LongType(200)])
inputHandler.send(["XYZ", 60.5, LongType(200)])
sleep(0.5)
self.assertEqual(self.count.get(), 3)
self.assertTrue(self.eventArrived)
siddhiManager.shutdown()
def testMathRandomFunctionWithoutSeed(self):
logging.info("RandomFunctionExtension TestCase, without seed")
# Creating SiddhiManager
siddhiManager = SiddhiManager()
# Creating Query
streamDefinition = "define stream inputStream (symbol string, price long, volume long);"
query = "@info(name = 'query1') from inputStream select symbol , math:rand() as randNumber " + \
"insert into outputStream;"
# Setting up Siddhi App
siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(streamDefinition + query)
# Setting up callback
_self_shaddow = self
class ConcreteQueryCallback(QueryCallback):
def receive(self, timestamp, inEvents, outEvents):
PrintEvent(timestamp, inEvents, outEvents)
_self_shaddow.count.addAndGet(len(inEvents))
_self_shaddow.eventArrived = True
if len(inEvents) == 3:
randNumbers = [0, 0, 0]
randNumbers[0] = inEvents[0].getData(1)
randNumbers[1] = inEvents[1].getData(1)
randNumbers[2] = inEvents[2].getData(1)
isDuplicatePresent = False
if randNumbers[0] == randNumbers[1] or randNumbers[0] == randNumbers[2] or randNumbers[1] == \
randNumbers[2]:
isDuplicatePresent = True
_self_shaddow.assertEquals(False, isDuplicatePresent)
siddhiAppRuntime.addCallback("query1", ConcreteQueryCallback())
# Retrieving input handler to push events into Siddhi
inputHandler = siddhiAppRuntime.getInputHandler("inputStream")
# Starting event processing
siddhiAppRuntime.start()
# Sending events to Siddhi
inputHandler.send(["IBM", 700.0, LongType(100)])
inputHandler.send(["WSO2", 60.5, LongType(200)])
inputHandler.send(["XYZ", 60.5, LongType(200)])
sleep(0.1)
self.assertEqual(self.count.get(), 3)
self.assertTrue(self.eventArrived)
siddhiManager.shutdown()
def testStringRegexpFunction(self):
logging.info("RegexpFunctionExtensionTestCase TestCase")
# Creating SiddhiManager
siddhiManager = SiddhiManager()
# Creating Query
streamDefinition = "define stream inputStream (symbol string, price long, regex string);"
query = "@info(name = 'query1') from inputStream select symbol , " + \
"str:regexp(symbol, regex) as beginsWithWSO2 " + \
"insert into outputStream"
# Setting up Siddhi App
siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(streamDefinition + query)
# Setting up callback
_self_shaddow = self
class ConcreteQueryCallback(QueryCallback):
def receive(self, timestamp, inEvents, outEvents):
PrintEvent(timestamp, inEvents, outEvents)
for inEvent in inEvents:
_self_shaddow.count.addAndGet(1)
if _self_shaddow.count.get() == 1:
_self_shaddow.assertEqual(False, inEvent.getData(1))
if _self_shaddow.count.get() == 2:
_self_shaddow.assertEqual(True, inEvent.getData(1))
if _self_shaddow.count.get() == 3:
_self_shaddow.assertEqual(False, inEvent.getData(1))
_self_shaddow.eventArrived = True
siddhiAppRuntime.addCallback("query1", ConcreteQueryCallback())
# Retrieving input handler to push events into Siddhi
inputHandler = siddhiAppRuntime.getInputHandler("inputStream")
# Starting event processing
siddhiAppRuntime.start()
# Sending events to Siddhi
inputHandler.send(["hello hi hello", 700.0, "^WSO2(.*)"])
inputHandler.send(["WSO2 abcdh", 60.5, "WSO(.*h)"])
inputHandler.send(["aaWSO2 hi hello", 60.5, "^WSO2(.*)"])
sleep(0.5)
self.assertEqual(self.count.get(), 3)
self.assertTrue(self.eventArrived)
siddhiManager.shutdown()
def testStringContainsFunction(self):
logging.info("ContainsFunctionExtensionTestCase TestCase")
# Creating SiddhiManager
siddhiManager = SiddhiManager()
# Creating Query
streamDefinition = "define stream inputStream (symbol string, price long, volume long);"
query = "@info(name = 'query1') " + \
"from inputStream " + \
"select symbol , str:contains(symbol, 'WSO2') as isContains " + \
"insert into outputStream;"
# Setting up Siddhi App
siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(streamDefinition + query)
# Setting up callback
_self_shaddow = self
class ConcreteQueryCallback(QueryCallback):
def receive(self, timestamp, inEvents, outEvents):
PrintEvent(timestamp, inEvents, outEvents)
for inEvent in inEvents:
_self_shaddow.count.addAndGet(1)
if _self_shaddow.count.get() == 1:
_self_shaddow.assertEqual(False, inEvent.getData(1))
if _self_shaddow.count.get() == 2:
_self_shaddow.assertEqual(True, inEvent.getData(1))
if _self_shaddow.count.get() == 3:
_self_shaddow.assertEqual(True, inEvent.getData(1))
_self_shaddow.eventArrived = True
siddhiAppRuntime.addCallback("query1", ConcreteQueryCallback())
# Retrieving input handler to push events into Siddhi
inputHandler = siddhiAppRuntime.getInputHandler("inputStream")
# Starting event processing
siddhiAppRuntime.start()
# Sending events to Siddhi
inputHandler.send(["IBM", 700.0, LongType(100)])
inputHandler.send(["WSO2", 60.5, LongType(200)])
inputHandler.send(["One of the best middleware is from WSO2.", 60.5, LongType(200)])
sleep(0.5)
self.assertEqual(self.count.get(), 3)
self.assertTrue(self.eventArrived)
siddhiManager.shutdown()