def test_user_count_in_csv_history_stats(self):
start_time = int(time.time())
class TestUser(Locust):
wait_time = constant(10)
@task
def t(self):
self.environment.runner.stats.log_request("GET", "/", 10, 10)
runner = LocalLocustRunner(self.environment, [TestUser])
runner.start(3, 5) # spawn a user every 0.2 second
gevent.sleep(0.1)
greenlet = gevent.spawn(stats_writer, self.environment, self.STATS_BASE_NAME, full_history=True)
gevent.sleep(0.6)
gevent.kill(greenlet)
runner.stop()
with open(self.STATS_HISTORY_FILENAME) as f:
reader = csv.DictReader(f)
rows = [r for r in reader]
self.assertEqual(6, len(rows))
for i in range(3):
row = rows.pop(0)
self.assertEqual("%i" % (i + 1), row["User count"])
self.assertEqual("/", row["Name"])
self.assertEqual("%i" % (i + 1), row["# requests"])
self.assertGreaterEqual(int(row["Timestamp"]), start_time)
row = rows.pop(0)
self.assertEqual("%i" % (i + 1), row["User count"])
self.assertEqual("Aggregated", row["Name"])
self.assertEqual("%i" % (i + 1), row["# requests"])
self.assertGreaterEqual(int(row["Timestamp"]), start_time)
def test_stop_timeout_during_on_start(self):
short_time = 0.05
class MyTaskSet(TaskSet):
finished_on_start = False
my_task_run = False
def on_start(self):
gevent.sleep(short_time)
MyTaskSet.finished_on_start = True
@task
def my_task(self):
MyTaskSet.my_task_run = True
class MyTestLocust(Locust):
tasks = [MyTaskSet]
wait_time = constant(0)
environment = create_environment(mocked_options())
environment.stop_timeout = short_time
runner = LocalLocustRunner(environment, [MyTestLocust])
runner.start(1, 1)
gevent.sleep(short_time / 2)
runner.quit()
self.assertTrue(MyTaskSet.finished_on_start)
self.assertFalse(MyTaskSet.my_task_run)
def test_stop_timeout_exit_during_wait(self):
short_time = 0.05
class MyTaskSet(TaskSet):
@task
def my_task(self):
pass
class MyTestLocust(Locust):
tasks = [MyTaskSet]
wait_time = between(1, 1)
options = mocked_options()
options.stop_timeout = short_time
environment = Environment(options=options)
runner = LocalLocustRunner(environment, [MyTestLocust])
runner.start(1, 1)
gevent.sleep(
short_time
) # sleep to make sure locust has had time to start waiting
timeout = gevent.Timeout(short_time)
timeout.start()
try:
runner.quit()
runner.greenlet.join()
except gevent.Timeout:
self.fail(
"Got Timeout exception. Waiting locusts should stop immediately, even when using stop_timeout."
)
finally:
timeout.cancel()
def test_no_reset_stats(self):
class User(Locust):
wait_time = constant(0)
@task
class task_set(TaskSet):
@task
def my_task(self):
self.locust.environment.events.request_success.fire(
request_type="GET",
name="/test",
response_time=666,
response_length=1337,
)
sleep(2)
environment = Environment(reset_stats=False, options=mocked_options())
runner = LocalLocustRunner(environment, locust_classes=[User])
runner.start(locust_count=6, hatch_rate=12, wait=False)
sleep(0.25)
self.assertGreaterEqual(
runner.stats.get("/test", "GET").num_requests, 3)
sleep(0.3)
self.assertEqual(6, runner.stats.get("/test", "GET").num_requests)
runner.quit()
def test_spawn_zero_locusts(self):
class MyTaskSet(TaskSet):
@task
def my_task(self):
pass
class MyTestLocust(Locust):
tasks = [MyTaskSet]
wait_time = constant(0.1)
environment = Environment(options=mocked_options())
runner = LocalLocustRunner(environment, [MyTestLocust])
timeout = gevent.Timeout(2.0)
timeout.start()
try:
runner.start(0, 1, wait=True)
runner.hatching_greenlet.join()
except gevent.Timeout:
self.fail(
"Got Timeout exception. A locust seems to have been spawned, even though 0 was specified."
)
finally:
timeout.cancel()
def test_stop_timeout_with_interrupt_no_reschedule(self):
state = [0]
class MySubTaskSet(TaskSet):
@task
def a_task(self):
gevent.sleep(0.1)
state[0] = 1
self.interrupt(reschedule=False)
class MyTestLocust(Locust):
tasks = [MySubTaskSet]
wait_time = constant(3)
environment = create_environment(mocked_options())
environment.stop_timeout = 0.3
runner = LocalLocustRunner(environment, [MyTestLocust])
runner.start(1, 1, wait=True)
gevent.sleep(0)
timeout = gevent.Timeout(0.11)
timeout.start()
try:
runner.quit()
runner.greenlet.join()
except gevent.Timeout:
self.fail(
"Got Timeout exception. Interrupted locusts should exit immediately during stop_timeout."
)
finally:
timeout.cancel()
self.assertEqual(1, state[0])
def test_taskset_setup_method_exception(self):
class User(Locust):
setup_run_count = 0
task_run_count = 0
locust_error_count = 0
wait_time = constant(1)
@task
class task_set(TaskSet):
def setup(self):
User.setup_run_count += 1
raise Exception("some exception")
@task
def my_task(self):
User.task_run_count += 1
environment = Environment(options=mocked_options())
def on_locust_error(*args, **kwargs):
User.locust_error_count += 1
environment.events.locust_error.add_listener(on_locust_error)
runner = LocalLocustRunner(environment, locust_classes=[User])
runner.start(locust_count=3, hatch_rate=3, wait=False)
runner.hatching_greenlet.get(timeout=3)
self.assertEqual(1, User.setup_run_count)
self.assertEqual(1, User.locust_error_count)
self.assertEqual(3, User.task_run_count)
def test_stop_timeout_with_interrupt(self):
short_time = 0.05
class MySubTaskSet(TaskSet):
@task
def a_task(self):
gevent.sleep(0)
self.interrupt(reschedule=True)
class MyTaskSet(TaskSet):
tasks = [MySubTaskSet]
class MyTestLocust(Locust):
task_set = MyTaskSet
environment = create_environment(mocked_options())
environment.stop_timeout = short_time
runner = LocalLocustRunner(environment, [MyTestLocust])
runner.start(1, 1)
gevent.sleep(0)
timeout = gevent.Timeout(short_time)
timeout.start()
try:
runner.quit()
runner.greenlet.join()
except gevent.Timeout:
self.fail(
"Got Timeout exception. Interrupted locusts should exit immediately during stop_timeout."
)
finally:
timeout.cancel()
def test_change_user_count_during_hatching(self):
class User(Locust):
wait_time = constant(1)
@task
def my_task(self):
pass
environment = Environment(options=mocked_options())
runner = LocalLocustRunner(environment, [User])
runner.start(locust_count=10, hatch_rate=5, wait=False)
sleep(0.6)
runner.start(locust_count=5, hatch_rate=5, wait=False)
runner.hatching_greenlet.join()
self.assertEqual(5, len(runner.locusts))
runner.quit()
def test_stop_event_quit(self):
class User(Locust):
wait_time = constant(1)
@task
def my_task(self):
pass
test_stop_run = [0]
environment = Environment(options=mocked_options())
def on_test_stop(*args, **kwargs):
test_stop_run[0] += 1
environment.events.test_stop.add_listener(on_test_stop)
runner = LocalLocustRunner(environment, locust_classes=[User])
runner.start(locust_count=3, hatch_rate=3, wait=False)
self.assertEqual(0, test_stop_run[0])
runner.quit()
self.assertEqual(1, test_stop_run[0])
def test_start_event(self):
class User(Locust):
wait_time = constant(1)
task_run_count = 0
@task
def my_task(self):
User.task_run_count += 1
test_start_run = [0]
environment = Environment(options=mocked_options())
def on_test_start(*args, **kwargs):
test_start_run[0] += 1
environment.events.test_start.add_listener(on_test_start)
runner = LocalLocustRunner(environment, locust_classes=[User])
runner.start(locust_count=3, hatch_rate=3, wait=False)
runner.hatching_greenlet.get(timeout=3)
self.assertEqual(1, test_start_run[0])
self.assertEqual(3, User.task_run_count)
def test_kill_locusts_with_stop_timeout(self):
short_time = 0.05
class MyTaskSet(TaskSet):
@task
def my_task(self):
MyTaskSet.state = "first"
gevent.sleep(short_time)
MyTaskSet.state = "second" # should only run when run time + stop_timeout is > short_time
gevent.sleep(short_time)
MyTaskSet.state = "third" # should only run when run time + stop_timeout is > short_time * 2
class MyTestLocust(Locust):
tasks = [MyTaskSet]
wait_time = constant(0)
environment = create_environment(mocked_options())
runner = LocalLocustRunner(environment, [MyTestLocust])
runner.start(1, 1)
gevent.sleep(short_time / 2)
runner.kill_locusts(1)
self.assertEqual("first", MyTaskSet.state)
runner.quit()
environment.stop_timeout = short_time / 2 # exit with timeout
runner = LocalLocustRunner(environment, [MyTestLocust])
runner.start(1, 1)
gevent.sleep(short_time)
runner.kill_locusts(1)
self.assertEqual("second", MyTaskSet.state)
runner.quit()
environment.stop_timeout = short_time * 3 # allow task iteration to complete, with some margin
runner = LocalLocustRunner(environment, [MyTestLocust])
runner.start(1, 1)
gevent.sleep(short_time)
timeout = gevent.Timeout(short_time * 2)
timeout.start()
try:
runner.kill_locusts(1)
runner.locusts.join()
except gevent.Timeout:
self.fail(
"Got Timeout exception. Some locusts must have kept runnining after iteration finish"
)
finally:
timeout.cancel()
self.assertEqual("third", MyTaskSet.state)
class task_set(TaskSet):
@task
def my_task(self):
self.client.get("/")
@task
def task_404(self):
self.client.get("/non-existing-path")
# setup Environment and Runner
env = Environment()
runner = LocalLocustRunner(environment=env, locust_classes=[User])
# start a WebUI instance
web_ui = WebUI(environment=env)
gevent.spawn(lambda: web_ui.start("127.0.0.1", 8089))
# TODO: fix
#def on_request_success(request_type, name, response_time, response_length, **kwargs):
# report_to_grafana("%_%s" % (request_type, name), response_time)
#env.events.request_succes.add_listener(on_request_success)
# start a greenlet that periodically outputs the current stats
gevent.spawn(stats_printer(runner.stats))
# start the test
runner.start(1, hatch_rate=10)
# wait for the greenlets (indefinitely)
runner.greenlet.join()
