def test__run_scenario_aborted(self):
runner_obj = constant.ConstantScenarioRunner(self.task, self.config)
runner_obj.abort()
runner_obj._run_scenario(fakes.FakeScenario, "do_it", self.context,
self.args)
self.assertEqual(len(runner_obj.result_queue), 0)
def test__run_scenario(self):
runner_obj = constant.ConstantScenarioRunner(self.task, self.config)
runner_obj._run_scenario(
fakes.FakeScenario, "do_it", self.context, self.args)
self.assertEqual(len(runner_obj.result_queue), self.config["times"])
for result in runner_obj.result_queue:
self.assertIsNotNone(runner.ScenarioRunnerResult(result))
def test__run_scenario_exception(self):
runner_obj = constant.ConstantScenarioRunner(self.task, self.config)
runner_obj._run_scenario(fakes.FakeScenario, "something_went_wrong",
self.context, self.args)
self.assertEqual(len(runner_obj.result_queue), self.config["times"])
for result in runner_obj.result_queue:
self.assertIsNotNone(runner.ScenarioRunnerResult(result))
self.assertIn("error", runner_obj.result_queue[0])
def test_abort(self):
runner_obj = constant.ConstantScenarioRunner(self.task, self.config)
self.assertFalse(runner_obj.aborted.is_set())
runner_obj.abort()
self.assertTrue(runner_obj.aborted.is_set())
def test_that_cpu_count_is_adjusted_properly(self, mock__join_processes,
mock__create_process_pool,
mock__log_debug_info,
mock_cpu_count, mock_queue):
samples = [
{
"input": {
"times": 20,
"concurrency": 20,
"type": "constant",
"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, concurrency))
"processes_to_start": 1,
"concurrency_per_worker": 20,
"concurrency_overhead": 0,
}
},
{
"input": {
"times": 20,
"concurrency": 15,
"type": "constant",
"max_cpu_count": 3
},
"real_cpu": 2,
"expected": {
"max_cpu_used": 2,
"processes_to_start": 2,
"concurrency_per_worker": 7,
"concurrency_overhead": 1,
}
},
{
"input": {
"times": 20,
"concurrency": 1,
"type": "constant",
"max_cpu_count": 3
},
"real_cpu": 2,
"expected": {
"max_cpu_used": 2,
"processes_to_start": 1,
"concurrency_per_worker": 1,
"concurrency_overhead": 0,
}
},
{
"input": {
"times": 2,
"concurrency": 5,
"type": "constant",
"max_cpu_count": 4
},
"real_cpu": 4,
"expected": {
"max_cpu_used": 4,
"processes_to_start": 2,
"concurrency_per_worker": 2,
"concurrency_overhead": 1,
}
}
]
for sample in samples:
mock__log_debug_info.reset_mock()
mock_cpu_count.reset_mock()
mock__create_process_pool.reset_mock()
mock__join_processes.reset_mock()
mock_queue.reset_mock()
mock_cpu_count.return_value = sample["real_cpu"]
runner_obj = constant.ConstantScenarioRunner(
self.task, sample["input"])
runner_obj._run_scenario(fakes.FakeScenario, "do_it", self.context,
self.args)
mock_cpu_count.assert_called_once_with()
mock__log_debug_info.assert_called_once_with(
times=sample["input"]["times"],
concurrency=sample["input"]["concurrency"],
timeout=0,
max_cpu_used=sample["expected"]["max_cpu_used"],
processes_to_start=sample["expected"]["processes_to_start"],
concurrency_per_worker=(
sample["expected"]["concurrency_per_worker"]),
concurrency_overhead=(
sample["expected"]["concurrency_overhead"]))
args, kwargs = mock__create_process_pool.call_args
self.assertIn(sample["expected"]["processes_to_start"], args)
self.assertIn(constant._worker_process, args)
mock__join_processes.assert_called_once_with(
mock__create_process_pool.return_value,
mock_queue.return_value, mock_queue.return_value)
