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conftest.py
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conftest.py
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import os
from psutil import Process
from collections import namedtuple
from itertools import groupby
import gc
_proc = Process(os.getpid())
def get_consumed_ram():
return _proc.memory_info().rss
START = 'START'
END = 'END'
ConsumedRamLogEntry = namedtuple(
'ConsumedRamLogEntry', ('nodeid', 'on', 'consumed_ram'))
consumed_ram_log = []
def pytest_runtest_setup(item):
log_entry = ConsumedRamLogEntry(item.nodeid, START, get_consumed_ram())
consumed_ram_log.append(log_entry)
def pytest_runtest_teardown(item):
log_entry = ConsumedRamLogEntry(item.nodeid, END, get_consumed_ram())
consumed_ram_log.append(log_entry)
gc.collect()
LEAK_LIMIT = 75 * 1024 * 1024
def pytest_terminal_summary(terminalreporter):
grouped = groupby(consumed_ram_log, lambda entry: entry.nodeid)
for nodeid, entries in grouped:
try:
start_entry, end_entry = entries
leaked = end_entry.consumed_ram - start_entry.consumed_ram
if leaked > LEAK_LIMIT:
terminalreporter.write('LEAKED {}MB in {}\n'.format(
round(leaked / 1024 / 1024, 2), nodeid))
terminalreporter.write('MEMORY ENDED AT: {}MB in {}\n'.format(
round(end_entry.consumed_ram / 1024 / 1024, 2), nodeid))
except:
pass