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109 lines
3.0 KiB
109 lines
3.0 KiB
6 years ago
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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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import selfdrive.loggerd.deleter as deleter
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from common.timeout import Timeout, TimeoutException
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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(TestDeleter, self).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 tearDown(self):
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super(TestDeleter, self).tearDown()
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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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