def test_percentile(self):
s = StatsEntry(self.stats, "percentile_test", "GET")
for x in xrange(100):
s.log(x, 0)
self.assertEqual(s.get_response_time_percentile(0.5), 50)
self.assertEqual(s.get_response_time_percentile(0.6), 60)
self.assertEqual(s.get_response_time_percentile(0.95), 95)
def test_percentile(self):
s = StatsEntry(self.stats, "percentile_test", "GET")
for x in xrange(100):
s.log(x, 0)
self.assertEqual(s.get_response_time_percentile(0.5), 50)
self.assertEqual(s.get_response_time_percentile(0.6), 60)
self.assertEqual(s.get_response_time_percentile(0.95), 95)
def test_percentile(self):
s = StatsEntry(self.stats, "percentile_test", "GET")
for x in xrange(100):
s.log(x, 0)
assert s.get_response_time_percentile(0.5) == 50
assert s.get_response_time_percentile(0.6) == 60
assert s.get_response_time_percentile(0.95) == 95
def _get_percentiles_dict(self, stats_entry: StatsEntry) -> Dict[str, int]:
"""Returns a dictionary of a human-readable percentile string to its reported value
Args:
stats_entry (StatsEntry): The Locust StatsEntry object which encodes a particular task's statistics
Returns:
Dict[str, int]: A dictionary of human-readable percentile strings to the percent response time
"""
if not stats_entry.num_requests:
return self.percentiles_na
return {
self._get_readable_percentile(percentile):
int(stats_entry.get_response_time_percentile(percentile) or 0)
for percentile in self.percentiles_to_report
}
class TestRequestStats(unittest.TestCase):
def setUp(self):
self.stats = RequestStats()
self.stats.start_time = time.time()
self.s = StatsEntry(self.stats, "test_entry", "GET")
self.s.log(45, 0)
self.s.log(135, 0)
self.s.log(44, 0)
self.s.log(None, 0)
self.s.log_error(Exception("dummy fail"))
self.s.log_error(Exception("dummy fail"))
self.s.log(375, 0)
self.s.log(601, 0)
self.s.log(35, 0)
self.s.log(79, 0)
self.s.log(None, 0)
self.s.log_error(Exception("dummy fail"))
def test_percentile(self):
s = StatsEntry(self.stats, "percentile_test", "GET")
for x in xrange(100):
s.log(x, 0)
self.assertEqual(s.get_response_time_percentile(0.5), 50)
self.assertEqual(s.get_response_time_percentile(0.6), 60)
self.assertEqual(s.get_response_time_percentile(0.95), 95)
def test_median(self):
self.assertEqual(self.s.median_response_time, 79)
def test_median_out_of_min_max_bounds(self):
s = StatsEntry(self.stats, "median_test", "GET")
s.log(6034, 0)
self.assertEqual(s.median_response_time, 6034)
s.reset()
s.log(6099, 0)
self.assertEqual(s.median_response_time, 6099)
def test_total_rps(self):
self.assertEqual(self.s.total_rps, 9)
def test_current_rps(self):
self.stats.total.last_request_timestamp = int(time.time()) + 4
self.assertEqual(self.s.current_rps, 4.5)
self.stats.total.last_request_timestamp = int(time.time()) + 25
self.assertEqual(self.s.current_rps, 0)
def test_num_reqs_fails(self):
self.assertEqual(self.s.num_requests, 9)
self.assertEqual(self.s.num_failures, 3)
def test_avg(self):
self.assertEqual(self.s.avg_response_time, 187.71428571428572)
def test_reset(self):
self.s.reset()
self.s.log(756, 0)
self.s.log_error(Exception("dummy fail after reset"))
self.s.log(85, 0)
self.assertEqual(self.s.total_rps, 2)
self.assertEqual(self.s.num_requests, 2)
self.assertEqual(self.s.num_failures, 1)
self.assertEqual(self.s.avg_response_time, 420.5)
self.assertEqual(self.s.median_response_time, 85)
def test_avg_only_none(self):
self.s.reset()
self.s.log(None, 123)
self.assertEqual(self.s.avg_response_time, 0)
self.assertEqual(self.s.median_response_time, 0)
self.assertEqual(self.s.get_response_time_percentile(0.5), 0)
def test_reset_min_response_time(self):
self.s.reset()
self.s.log(756, 0)
self.assertEqual(756, self.s.min_response_time)
def test_aggregation(self):
s1 = StatsEntry(self.stats, "aggregate me!", "GET")
s1.log(12, 0)
s1.log(12, 0)
s1.log(38, 0)
s1.log_error("Dummy exzeption")
s2 = StatsEntry(self.stats, "aggregate me!", "GET")
s2.log_error("Dummy exzeption")
s2.log_error("Dummy exzeption")
s2.log(12, 0)
s2.log(99, 0)
s2.log(14, 0)
s2.log(55, 0)
s2.log(38, 0)
s2.log(55, 0)
s2.log(97, 0)
s = StatsEntry(self.stats, "GET", "")
s.extend(s1)
s.extend(s2)
self.assertEqual(s.num_requests, 10)
self.assertEqual(s.num_failures, 3)
self.assertEqual(s.median_response_time, 38)
self.assertEqual(s.avg_response_time, 43.2)
def test_aggregation_with_rounding(self):
s1 = StatsEntry(self.stats, "round me!", "GET")
s1.log(122, 0) # (rounded 120) min
s1.log(992, 0) # (rounded 990) max
s1.log(142, 0) # (rounded 140)
s1.log(552, 0) # (rounded 550)
s1.log(557, 0) # (rounded 560)
s1.log(387, 0) # (rounded 390)
s1.log(557, 0) # (rounded 560)
s1.log(977, 0) # (rounded 980)
self.assertEqual(s1.num_requests, 8)
self.assertEqual(s1.median_response_time, 550)
self.assertEqual(s1.avg_response_time, 535.75)
self.assertEqual(s1.min_response_time, 122)
self.assertEqual(s1.max_response_time, 992)
def test_aggregation_min_response_time(self):
s1 = StatsEntry(self.stats, "min", "GET")
s1.log(10, 0)
self.assertEqual(10, s1.min_response_time)
s2 = StatsEntry(self.stats, "min", "GET")
s1.extend(s2)
self.assertEqual(10, s1.min_response_time)
def test_percentile_rounded_down(self):
s1 = StatsEntry(self.stats, "rounding down!", "GET")
s1.log(122, 0) # (rounded 120) min
actual_percentile = s1.percentile()
self.assertEqual(
actual_percentile,
" GET rounding down! 1 120 120 120 120 120 120 120 120 120 120 120"
)
def test_percentile_rounded_up(self):
s2 = StatsEntry(self.stats, "rounding up!", "GET")
s2.log(127, 0) # (rounded 130) min
actual_percentile = s2.percentile()
self.assertEqual(
actual_percentile,
" GET rounding up! 1 130 130 130 130 130 130 130 130 130 130 130"
)
def test_error_grouping(self):
# reset stats
self.stats = RequestStats()
self.stats.log_error("GET", "/some-path", Exception("Exception!"))
self.stats.log_error("GET", "/some-path", Exception("Exception!"))
self.assertEqual(1, len(self.stats.errors))
self.assertEqual(2, list(self.stats.errors.values())[0].occurrences)
self.stats.log_error("GET", "/some-path",
Exception("Another exception!"))
self.stats.log_error("GET", "/some-path",
Exception("Another exception!"))
self.stats.log_error("GET", "/some-path",
Exception("Third exception!"))
self.assertEqual(3, len(self.stats.errors))
def test_error_grouping_errors_with_memory_addresses(self):
# reset stats
self.stats = RequestStats()
class Dummy(object):
pass
self.stats.log_error("GET", "/",
Exception("Error caused by %r" % Dummy()))
self.assertEqual(1, len(self.stats.errors))
def test_serialize_through_message(self):
"""
Serialize a RequestStats instance, then serialize it through a Message,
and unserialize the whole thing again. This is done "IRL" when stats are sent
from slaves to master.
"""
s1 = StatsEntry(self.stats, "test", "GET")
s1.log(10, 0)
s1.log(20, 0)
s1.log(40, 0)
u1 = StatsEntry.unserialize(s1.serialize())
data = Message.unserialize(
Message("dummy", s1.serialize(), "none").serialize()).data
u1 = StatsEntry.unserialize(data)
self.assertEqual(20, u1.median_response_time)
