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							105 lines
						
					
					
						
							3.0 KiB
						
					
					
				
			
		
		
	
	
							105 lines
						
					
					
						
							3.0 KiB
						
					
					
				#!/usr/bin/env python3
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import os
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import time
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import threading
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import unittest
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from collections import namedtuple
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from common.timeout import Timeout, TimeoutException
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import selfdrive.loggerd.deleter as deleter
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from selfdrive.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(self):
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    self.f_type = "fcamera.hevc"
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    super().setUp()
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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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    deleter.ROOT = self.root
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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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    with Timeout(5, "Timeout waiting for file to be deleted"):
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      while os.path.exists(f_path):
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        time.sleep(0.01)
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    self.join_thread()
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    self.assertFalse(os.path.exists(f_path), "File not deleted")
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  def test_delete_files_in_create_order(self):
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    f_path_1 = self.make_file_with_data(self.seg_dir, self.f_type)
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    time.sleep(1)
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    self.seg_num += 1
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    self.seg_dir = self.seg_format.format(self.seg_num)
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    f_path_2 = self.make_file_with_data(self.seg_dir, self.f_type)
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    self.start_thread()
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    with Timeout(5, "Timeout waiting for file to be deleted"):
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      while os.path.exists(f_path_1) and os.path.exists(f_path_2):
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        time.sleep(0.01)
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    self.join_thread()
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    self.assertFalse(os.path.exists(f_path_1), "Older file not deleted")
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    self.assertTrue(os.path.exists(f_path_2), "Newer file deleted before older file")
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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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    try:
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      with Timeout(2, "Timeout waiting for file to be deleted"):
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        while os.path.exists(f_path):
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          time.sleep(0.01)
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    except TimeoutException:
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      pass
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    finally:
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      self.join_thread()
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    self.assertTrue(os.path.exists(f_path), "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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    try:
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      with Timeout(2, "Timeout waiting for file to be deleted"):
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        while os.path.exists(f_path):
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          time.sleep(0.01)
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    except TimeoutException:
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      pass
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    finally:
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      self.join_thread()
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    self.assertTrue(os.path.exists(f_path), "File deleted when locked")
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if __name__ == "__main__":
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  unittest.main()
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