def test_abort(self):
context = fakes.FakeUserContext({}).context
context["task"] = {"uuid": "fake_uuid"}
config = {"times": 4, "rps": 10}
runner = rps.RPSScenarioRunner(self.task, config)
self.assertFalse(runner.aborted.is_set())
runner.abort()
self.assertTrue(runner.aborted.is_set())
def test__run_scenario_exception(self, mock_sleep):
context = fakes.FakeUserContext({}).context
context["task"] = {"uuid": "fake_uuid"}
config = {"times": 4, "rps": 10}
runner = rps.RPSScenarioRunner(self.task, config)
runner._run_scenario(fakes.FakeScenario,
"something_went_wrong", context, {})
self.assertEqual(len(runner.result_queue), config["times"])
for result in runner.result_queue:
self.assertIsNotNone(base.ScenarioRunnerResult(result))
def test__run_scenario(self, mock_sleep):
context = fakes.FakeUserContext({}).context
context["task"] = {"uuid": "fake_uuid"}
config = {"times": 20, "rps": 20, "timeout": 5, "max_concurrency": 15}
runner = rps.RPSScenarioRunner(self.task, config)
runner._run_scenario(fakes.FakeScenario, "do_it", context, {})
self.assertEqual(len(runner.result_queue), config["times"])
for result in runner.result_queue:
self.assertIsNotNone(base.ScenarioRunnerResult(result))
def test__run_scenario(self, mock_sleep):
context = fakes.FakeUserContext({}).context
context['task'] = {'uuid': 'fake_uuid'}
config = {"times": 20, "rps": 20, "timeout": 5}
runner = rps.RPSScenarioRunner(
None, config)
runner._run_scenario(fakes.FakeScenario, "do_it", context, {})
self.assertEqual(len(runner.result_queue), config["times"])
for result in runner.result_queue:
self.assertIsNotNone(base.ScenarioRunnerResult(result))
def test_that_cpu_count_is_adjusted_properly(self, mock_join_processes,
mock_create_pool, mock_log,
mock_cpu_count, mock_queue):
context = fakes.FakeUserContext({}).context
context["task"] = {"uuid": "fake_uuid"}
samples = [
{
"input": {"times": 20, "rps": 20, "max_concurrency": 10,
"max_cpu_count": 1},
"real_cpu": 2,
"expected": {
# max_cpu_used equals to min(max_cpu_count, real_cpu)
"max_cpu_used": 1,
# processes_to_start equals to
# min(max_cpu_used, times, max_concurrency))
"processes_to_start": 1,
"rps_per_worker": 20,
"times_per_worker": 20,
"times_overhead": 0,
"concurrency_per_worker": 10,
"concurrency_overhead": 0
}
},
{
"input": {"times": 20, "rps": 9, "max_concurrency": 5,
"max_cpu_count": 3},
"real_cpu": 4,
"expected": {
"max_cpu_used": 3,
"processes_to_start": 3,
"rps_per_worker": 3,
"times_per_worker": 6,
"times_overhead": 2,
"concurrency_per_worker": 1,
"concurrency_overhead": 2
}
},
{
"input": {"times": 10, "rps": 20, "max_concurrency": 12,
"max_cpu_count": 20},
"real_cpu": 20,
"expected": {
"max_cpu_used": 20,
"processes_to_start": 10,
"rps_per_worker": 2,
"times_per_worker": 1,
"times_overhead": 0,
"concurrency_per_worker": 1,
"concurrency_overhead": 2
}
},
{
"input": {"times": 20, "rps": 20, "max_concurrency": 10,
"max_cpu_count": 20},
"real_cpu": 20,
"expected": {
"max_cpu_used": 20,
"processes_to_start": 10,
"rps_per_worker": 2,
"times_per_worker": 2,
"times_overhead": 0,
"concurrency_per_worker": 1,
"concurrency_overhead": 0
}
}
]
for sample in samples:
mock_log.reset_mock()
mock_cpu_count.reset_mock()
mock_create_pool.reset_mock()
mock_join_processes.reset_mock()
mock_queue.reset_mock()
mock_cpu_count.return_value = sample["real_cpu"]
runner = rps.RPSScenarioRunner(self.task, sample["input"])
runner._run_scenario(fakes.FakeScenario, "do_it", context, {})
mock_cpu_count.assert_called_once_with()
mock_log.assert_called_once_with(
times=sample["input"]["times"],
timeout=0,
max_cpu_used=sample["expected"]["max_cpu_used"],
processes_to_start=sample["expected"]["processes_to_start"],
rps_per_worker=sample["expected"]["rps_per_worker"],
times_per_worker=sample["expected"]["times_per_worker"],
times_overhead=sample["expected"]["times_overhead"],
concurrency_per_worker=(
sample["expected"]["concurrency_per_worker"]),
concurrency_overhead=(
sample["expected"]["concurrency_overhead"]))
args, kwargs = mock_create_pool.call_args
self.assertIn(sample["expected"]["processes_to_start"], args)
self.assertIn(rps._worker_process, args)
mock_join_processes.assert_called_once_with(
mock_create_pool(),
mock_queue())
