nopenpilot/selfdrive/loggerd/tests/test_deleter.py

106 lines
2.9 KiB
Python

import os
import time
import threading
import unittest
from collections import namedtuple
import selfdrive.loggerd.deleter as deleter
from common.timeout import Timeout, TimeoutException
from selfdrive.loggerd.tests.loggerd_tests_common import UploaderTestCase
Stats = namedtuple("Stats", ['f_bavail', 'f_blocks', 'f_frsize'])
class TestDeleter(UploaderTestCase):
def fake_statvfs(self, d):
return self.fake_stats
def setUp(self):
self.f_type = "fcamera.hevc"
super().setUp()
self.fake_stats = Stats(f_bavail=0, f_blocks=10, f_frsize=4096)
deleter.os.statvfs = self.fake_statvfs
deleter.ROOT = self.root
def start_thread(self):
self.end_event = threading.Event()
self.del_thread = threading.Thread(target=deleter.deleter_thread, args=[self.end_event])
self.del_thread.daemon = True
self.del_thread.start()
def join_thread(self):
self.end_event.set()
self.del_thread.join()
def test_delete(self):
f_path = self.make_file_with_data(self.seg_dir, self.f_type, 1)
self.start_thread()
with Timeout(5, "Timeout waiting for file to be deleted"):
while os.path.exists(f_path):
time.sleep(0.01)
self.join_thread()
self.assertFalse(os.path.exists(f_path), "File not deleted")
def test_delete_files_in_create_order(self):
f_path_1 = self.make_file_with_data(self.seg_dir, self.f_type)
time.sleep(1)
self.seg_num += 1
self.seg_dir = self.seg_format.format(self.seg_num)
f_path_2 = self.make_file_with_data(self.seg_dir, self.f_type)
self.start_thread()
with Timeout(5, "Timeout waiting for file to be deleted"):
while os.path.exists(f_path_1) and os.path.exists(f_path_2):
time.sleep(0.01)
self.join_thread()
self.assertFalse(os.path.exists(f_path_1), "Older file not deleted")
self.assertTrue(os.path.exists(f_path_2), "Newer file deleted before older file")
def test_no_delete_when_available_space(self):
f_path = self.make_file_with_data(self.seg_dir, self.f_type)
block_size = 4096
available = (10 * 1024 * 1024 * 1024) / block_size # 10GB free
self.fake_stats = Stats(f_bavail=available, f_blocks=10, f_frsize=block_size)
self.start_thread()
try:
with Timeout(2, "Timeout waiting for file to be deleted"):
while os.path.exists(f_path):
time.sleep(0.01)
except TimeoutException:
pass
finally:
self.join_thread()
self.assertTrue(os.path.exists(f_path), "File deleted with available space")
def test_no_delete_with_lock_file(self):
f_path = self.make_file_with_data(self.seg_dir, self.f_type, lock=True)
self.start_thread()
try:
with Timeout(2, "Timeout waiting for file to be deleted"):
while os.path.exists(f_path):
time.sleep(0.01)
except TimeoutException:
pass
finally:
self.join_thread()
self.assertTrue(os.path.exists(f_path), "File deleted when locked")
if __name__ == "__main__":
unittest.main()