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117 lines
4.0 KiB
117 lines
4.0 KiB
import time
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import threading
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from collections import namedtuple
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from pathlib import Path
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from collections.abc import Sequence
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import openpilot.system.loggerd.deleter as deleter
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from openpilot.common.timeout import Timeout, TimeoutException
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from openpilot.system.loggerd.tests.loggerd_tests_common import UploaderTestCase
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Stats = namedtuple("Stats", ['f_bavail', 'f_blocks', 'f_frsize'])
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class TestDeleter(UploaderTestCase):
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def fake_statvfs(self, d):
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return self.fake_stats
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def setup_method(self):
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self.f_type = "fcamera.hevc"
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super().setup_method()
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self.fake_stats = Stats(f_bavail=0, f_blocks=10, f_frsize=4096)
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deleter.os.statvfs = self.fake_statvfs
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def start_thread(self):
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self.end_event = threading.Event()
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self.del_thread = threading.Thread(target=deleter.deleter_thread, args=[self.end_event])
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self.del_thread.daemon = True
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self.del_thread.start()
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def join_thread(self):
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self.end_event.set()
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self.del_thread.join()
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def test_delete(self):
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f_path = self.make_file_with_data(self.seg_dir, self.f_type, 1)
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self.start_thread()
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try:
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with Timeout(2, "Timeout waiting for file to be deleted"):
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while f_path.exists():
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time.sleep(0.01)
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finally:
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self.join_thread()
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def assertDeleteOrder(self, f_paths: Sequence[Path], timeout: int = 5) -> None:
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deleted_order = []
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self.start_thread()
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try:
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with Timeout(timeout, "Timeout waiting for files to be deleted"):
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while True:
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for f in f_paths:
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if not f.exists() and f not in deleted_order:
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deleted_order.append(f)
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if len(deleted_order) == len(f_paths):
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break
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time.sleep(0.01)
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except TimeoutException:
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print("Not deleted:", [f for f in f_paths if f not in deleted_order])
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raise
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finally:
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self.join_thread()
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assert deleted_order == f_paths, "Files not deleted in expected order"
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def test_delete_order(self):
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self.assertDeleteOrder([
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self.make_file_with_data(self.seg_format.format(0), self.f_type),
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self.make_file_with_data(self.seg_format.format(1), self.f_type),
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self.make_file_with_data(self.seg_format2.format(0), self.f_type),
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])
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def test_delete_many_preserved(self):
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self.assertDeleteOrder([
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self.make_file_with_data(self.seg_format.format(0), self.f_type),
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self.make_file_with_data(self.seg_format.format(1), self.f_type, preserve_xattr=deleter.PRESERVE_ATTR_VALUE),
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self.make_file_with_data(self.seg_format.format(2), self.f_type),
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] + [
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self.make_file_with_data(self.seg_format2.format(i), self.f_type, preserve_xattr=deleter.PRESERVE_ATTR_VALUE)
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for i in range(5)
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])
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def test_delete_last(self):
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self.assertDeleteOrder([
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self.make_file_with_data(self.seg_format.format(1), self.f_type),
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self.make_file_with_data(self.seg_format2.format(0), self.f_type),
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self.make_file_with_data(self.seg_format.format(0), self.f_type, preserve_xattr=deleter.PRESERVE_ATTR_VALUE),
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self.make_file_with_data("boot", self.seg_format[:-4]),
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self.make_file_with_data("crash", self.seg_format2[:-4]),
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])
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def test_no_delete_when_available_space(self):
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f_path = self.make_file_with_data(self.seg_dir, self.f_type)
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block_size = 4096
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available = (10 * 1024 * 1024 * 1024) / block_size # 10GB free
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self.fake_stats = Stats(f_bavail=available, f_blocks=10, f_frsize=block_size)
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self.start_thread()
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start_time = time.monotonic()
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while f_path.exists() and time.monotonic() - start_time < 2:
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time.sleep(0.01)
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self.join_thread()
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assert f_path.exists(), "File deleted with available space"
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def test_no_delete_with_lock_file(self):
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f_path = self.make_file_with_data(self.seg_dir, self.f_type, lock=True)
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self.start_thread()
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start_time = time.monotonic()
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while f_path.exists() and time.monotonic() - start_time < 2:
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time.sleep(0.01)
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self.join_thread()
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assert f_path.exists(), "File deleted when locked"
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