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138 lines
4.5 KiB
138 lines
4.5 KiB
#!/usr/bin/env python3
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from functools import partial
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import http.server
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import os
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import shutil
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import socket
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import unittest
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from parameterized import parameterized
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from openpilot.selfdrive.test.helpers import with_http_server
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from openpilot.system.hardware.hw import Paths
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from openpilot.tools.lib.url_file import URLFile
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class CachingTestRequestHandler(http.server.BaseHTTPRequestHandler):
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FILE_EXISTS = True
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def do_GET(self):
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if self.FILE_EXISTS:
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self.send_response(206 if "Range" in self.headers else 200, b'1234')
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else:
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self.send_response(404)
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self.end_headers()
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def do_HEAD(self):
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if self.FILE_EXISTS:
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self.send_response(200)
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self.send_header("Content-Length", "4")
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else:
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self.send_response(404)
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self.end_headers()
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with_caching_server = partial(with_http_server, handler=CachingTestRequestHandler)
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class TestFileDownload(unittest.TestCase):
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@with_caching_server
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def test_pipeline_defaults(self, host):
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# TODO: parameterize the defaults so we don't rely on hard-coded values in xx
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self.assertEqual(URLFile.pool_manager().pools._maxsize, 10) # PoolManager num_pools param
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pool_manager_defaults = {
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"maxsize": 100,
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"socket_options": [(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1),],
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}
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for k, v in pool_manager_defaults.items():
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self.assertEqual(URLFile.pool_manager().connection_pool_kw.get(k), v)
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retry_defaults = {
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"total": 5,
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"backoff_factor": 0.5,
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"status_forcelist": [409, 429, 503, 504],
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}
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for k, v in retry_defaults.items():
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self.assertEqual(getattr(URLFile.pool_manager().connection_pool_kw["retries"], k), v)
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# ensure caching off by default and cache dir doesn't get created
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os.environ.pop("FILEREADER_CACHE", None)
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if os.path.exists(Paths.download_cache_root()):
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shutil.rmtree(Paths.download_cache_root())
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URLFile(f"{host}/test.txt").get_length()
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URLFile(f"{host}/test.txt").read()
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self.assertEqual(os.path.exists(Paths.download_cache_root()), False)
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def compare_loads(self, url, start=0, length=None):
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"""Compares range between cached and non cached version"""
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file_cached = URLFile(url, cache=True)
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file_downloaded = URLFile(url, cache=False)
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file_cached.seek(start)
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file_downloaded.seek(start)
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self.assertEqual(file_cached.get_length(), file_downloaded.get_length())
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self.assertLessEqual(length + start if length is not None else 0, file_downloaded.get_length())
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response_cached = file_cached.read(ll=length)
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response_downloaded = file_downloaded.read(ll=length)
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self.assertEqual(response_cached, response_downloaded)
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# Now test with cache in place
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file_cached = URLFile(url, cache=True)
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file_cached.seek(start)
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response_cached = file_cached.read(ll=length)
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self.assertEqual(file_cached.get_length(), file_downloaded.get_length())
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self.assertEqual(response_cached, response_downloaded)
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def test_small_file(self):
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# Make sure we don't force cache
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os.environ["FILEREADER_CACHE"] = "0"
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small_file_url = "https://raw.githubusercontent.com/commaai/openpilot/master/docs/SAFETY.md"
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# If you want large file to be larger than a chunk
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# large_file_url = "https://commadataci.blob.core.windows.net/openpilotci/0375fdf7b1ce594d/2019-06-13--08-32-25/3/fcamera.hevc"
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# Load full small file
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self.compare_loads(small_file_url)
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file_small = URLFile(small_file_url)
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length = file_small.get_length()
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self.compare_loads(small_file_url, length - 100, 100)
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self.compare_loads(small_file_url, 50, 100)
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# Load small file 100 bytes at a time
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for i in range(length // 100):
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self.compare_loads(small_file_url, 100 * i, 100)
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def test_large_file(self):
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large_file_url = "https://commadataci.blob.core.windows.net/openpilotci/0375fdf7b1ce594d/2019-06-13--08-32-25/3/qlog.bz2"
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# Load the end 100 bytes of both files
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file_large = URLFile(large_file_url)
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length = file_large.get_length()
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self.compare_loads(large_file_url, length - 100, 100)
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self.compare_loads(large_file_url)
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@parameterized.expand([(True, ), (False, )])
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@with_caching_server
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def test_recover_from_missing_file(self, cache_enabled, host):
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os.environ["FILEREADER_CACHE"] = "1" if cache_enabled else "0"
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file_url = f"{host}/test.png"
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CachingTestRequestHandler.FILE_EXISTS = False
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length = URLFile(file_url).get_length()
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self.assertEqual(length, -1)
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CachingTestRequestHandler.FILE_EXISTS = True
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length = URLFile(file_url).get_length()
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self.assertEqual(length, 4)
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if __name__ == "__main__":
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unittest.main()
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