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from aergia.aergia import Aergia
import unittest
class AergiaUnitTestCase(unittest.TestCase):
interval = 0.01
Aergia = Aergia(interval)
def setUp(self):
self.Aergia.clear()
def assert_reasonable_delay(self, func_name, time_expected, samples):
'''Compares the results reported by Aergia for FUNC_NAME
with time_expected.'''
samples_expected = self.aergia_expected_samples(time_expected)
samples_actual = self.aergia_extract_values_by_func(samples, func_name)
self.assert_roughly_equal(samples_actual, samples_expected)
def assert_roughly_equal(self, v1, v2):
'''Throws an exception if values V1 and V2 are not within 2.5
samples of each other.'''
a = abs(v1 - v2)
self.assertTrue(a <= 2.5, f'{v1} (expected) not roughly {v2} (actual)')
def aergia_expected_samples(self, total_seconds):
'''Given TOTAL_SECONDS, returns the expected number of samples, using
the sampling interval.'''
return (total_seconds / self.interval)
def aergia_extract_values_by_func(self, samples, func_name):
'''Returns the total number of samples for function name, given an
Aergia SAMPLES object.'''
return sum(
value for key, value in samples.items()
if key.func == func_name
)
def yappi_extract_values_by_func(self, stats, func_name):
'''Returns the total number of samples for function name, given a
yappi stats object.'''
for s in stats:
if s.name == func_name:
return s.ttot
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