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131 lines
4.3 KiB
131 lines
4.3 KiB
#!/usr/bin/env python3
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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 pytest
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from openpilot.selfdrive.test.helpers import http_server_context
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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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@pytest.fixture
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def host():
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with http_server_context(handler=CachingTestRequestHandler) as (host, port):
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yield f"http://{host}:{port}"
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class TestFileDownload:
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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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assert 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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assert 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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assert 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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assert not os.path.exists(Paths.download_cache_root())
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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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assert file_cached.get_length() == file_downloaded.get_length()
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assert 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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assert 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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assert file_cached.get_length() == file_downloaded.get_length()
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assert 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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@pytest.mark.parametrize("cache_enabled", [True, False])
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def test_recover_from_missing_file(self, host, cache_enabled):
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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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assert length == -1
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CachingTestRequestHandler.FILE_EXISTS = True
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length = URLFile(file_url).get_length()
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assert length == 4
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