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##############################################################################
# Copyright (c) 2017 Dell EMC and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import json
import unittest
from storperf.fio.fio_invoker import FIOInvoker
from io import BytesIO
class Test(unittest.TestCase):
simple_dictionary = {'Key': 'Value'}
def exceptional_event(self, callback_id, metric):
self.exception_called = True
raise Exception
def event(self, callback_id, metric):
self.metric = metric
def setUp(self):
self.exception_called = False
self.metric = None
self.fio_invoker = FIOInvoker()
def testStdoutValidJSON(self):
self.fio_invoker.register(self.event)
string = json.dumps(self.simple_dictionary, indent=4, sort_keys=True)
output = BytesIO((string + "\n").encode('utf-8'))
self.fio_invoker.stdout_handler(output)
self.assertEqual(self.simple_dictionary, self.metric)
def testStdoutValidJSONWithFIOOutput(self):
self.fio_invoker.register(self.event)
string = json.dumps(self.simple_dictionary, indent=4, sort_keys=True)
terminating = "fio: terminating on signal 2\n"
output = BytesIO((terminating + string + "\n").encode('utf-8'))
self.fio_invoker.stdout_handler(output)
self.assertEqual(self.simple_dictionary, self.metric)
def testStdoutNoJSON(self):
self.fio_invoker.register(self.event)
string = "{'key': 'value'}"
output = BytesIO((string + "\n").encode('utf-8'))
self.fio_invoker.stdout_handler(output)
self.assertEqual(None, self.metric)
def testStdoutInvalidJSON(self):
self.fio_invoker.register(self.event)
string = "{'key':\n}"
output = BytesIO((string + "\n").encode('utf-8'))
self.fio_invoker.stdout_handler(output)
self.assertEqual(None, self.metric)
def testStdoutAfterTerminated(self):
self.fio_invoker.register(self.event)
string = json.dumps(self.simple_dictionary, indent=4, sort_keys=True)
self.fio_invoker.terminated = True
output = BytesIO((string + "\n").encode('utf-8'))
self.fio_invoker.stdout_handler(output)
self.assertEqual(None, self.metric)
def testStdoutCallbackException(self):
self.fio_invoker.register(self.exceptional_event)
self.fio_invoker.register(self.event)
string = json.dumps(self.simple_dictionary, indent=4, sort_keys=True)
output = BytesIO((string + "\n").encode('utf-8'))
self.fio_invoker.stdout_handler(output)
self.assertEqual(self.simple_dictionary, self.metric)
self.assertEqual(self.exception_called, True)
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