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# --------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# --------------------------------------------------------------------------------------------
import math
import time
import asyncio
from devtools_testutils.perfstress_tests import PerfStressTest
# Used for verifying the perf framework correctly computes average throughput across parallel tests of different speed
class SleepTest(PerfStressTest):
def __init__(self, arguments):
super().__init__(arguments)
self.seconds_per_operation = (self.args.initial_delay_ms / 1000) * math.pow(
self.args.instance_growth_factor, self._parallel_index
)
def run_sync(self):
time.sleep(self.seconds_per_operation)
self.seconds_per_operation *= self.args.iteration_growth_factor
async def run_async(self):
await asyncio.sleep(self.seconds_per_operation)
self.seconds_per_operation *= self.args.iteration_growth_factor
@staticmethod
def add_arguments(parser):
super(SleepTest, SleepTest).add_arguments(parser)
parser.add_argument(
"--initial-delay-ms", nargs="?", type=int, default=1000, help="Initial delay (in milliseconds)"
)
# Used for verifying the perf framework correctly computes average throughput across parallel tests of different speed.
# Each instance of this test completes operations at a different rate, to allow for testing scenarios where
# some instances are still waiting when time expires.
parser.add_argument(
"--instance-growth-factor",
nargs="?",
type=float,
default=1,
help="Instance growth factor. The delay of instance N will be (InitialDelayMS * (InstanceGrowthFactor ^ InstanceCount)).",
)
parser.add_argument(
"--iteration-growth-factor",
nargs="?",
type=float,
default=1,
help="Iteration growth factor. The delay of iteration N will be (InitialDelayMS * (IterationGrowthFactor ^ IterationCount)).",
)
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