def counters():
cnts = PerfCounters()
cnts.set('value', 42)
cnts.set('value2', 43)
cnts.start('time')
time.sleep(0.2)
cnts.start('time2')
time.sleep(0.2)
return cnts
def test_process_counters_values():
cnts = PerfCounters()
cnts.set('value', 42)
cnts.set('value2', 43)
dic = process_counters(cnts.counters,
cnts.laps,
sort_by='name',
reverse=False)
assert len(dic[VALUE_COUNTERS]) == 2
assert dic[VALUE_COUNTERS][0][0] == 'value'
assert dic[VALUE_COUNTERS][0][1] == 42
assert dic[VALUE_COUNTERS][1][0] == 'value2'
assert dic[VALUE_COUNTERS][1][1] == 43
def counters():
cnts = PerfCounters()
cnts.set('value', 42)
cnts.set('value2', 43)
cnts.start('lap')
cnts.start('time')
time.sleep(0.2)
cnts.lap('lap')
cnts.start('time2')
time.sleep(0.2)
cnts.lap('lap')
return cnts
def test_counter_sorting():
cnts = PerfCounters() # clean instance
cnts.set('a', 42)
cnts.set('b', 43)
# value desc (default)
dic = cnts._get_counter_lists()
assert dic['Value counters'][0][1] > dic['Value counters'][1][1]
# value asc
dic = cnts._get_counter_lists(reverse=False)
assert dic['Value counters'][0][1] < dic['Value counters'][1][1]
# name desc
dic = cnts._get_counter_lists(sort_by=PerfCounters.SORT_BY_NAME)
assert dic['Value counters'][0][0] == 'b'
# name asc
dic = cnts._get_counter_lists(sort_by=PerfCounters.SORT_BY_NAME,
reverse=False)
assert dic['Value counters'][0][0] == 'a'
def test_duplicate_merge(counters):
counters2 = PerfCounters()
counters2.set('value', 44)
with pytest.raises(ValueError):
counters.merge(counters2)
def test_merge(counters):
counters2 = PerfCounters()
counters2.set('value3', 44)
counters.merge(counters2)
assert 'value3' in counters.counters
assert counters.get('value3') == 44
def test_duplicate_merge(counters):
counters2 = PerfCounters()
counters2.set('value', 44)
with pytest.raises(ValueError):
counters.merge(counters2)
def test_merge(counters):
counters2 = PerfCounters()
counters2.set('value3', 44)
counters.merge(counters2)
assert 'value3' in counters.counters
assert counters.get('value3') == 44
from perfcounters import PerfCounters
from random import randint
import time
print("=== End to end example ===\n")
# init counters
counters = PerfCounters()
num_iterations = randint(100000, 1000000)
# setting a value counter to a given value
counters.set('num_iterations', num_iterations)
# starting a timing counter
counters.start('loop')
for i in range(1000):
v = randint(0, 1000000)
# incrementing a value counter to sum the generated values
counters.increment('total_value', v)
# stopping a timing counter
counters.stop('loop')
# reporting counters
counters.report()
print("\n=== Deadline ===\n")