You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					
					
						
							129 lines
						
					
					
						
							3.8 KiB
						
					
					
				
			
		
		
	
	
							129 lines
						
					
					
						
							3.8 KiB
						
					
					
				#!/usr/bin/env python3
 | 
						|
from functools import wraps
 | 
						|
import http.server
 | 
						|
import os
 | 
						|
import threading
 | 
						|
import time
 | 
						|
import unittest
 | 
						|
 | 
						|
from parameterized import parameterized
 | 
						|
 | 
						|
from openpilot.tools.lib.url_file import URLFile
 | 
						|
 | 
						|
 | 
						|
class CachingTestRequestHandler(http.server.BaseHTTPRequestHandler):
 | 
						|
  FILE_EXISTS = True
 | 
						|
 | 
						|
  def do_GET(self):
 | 
						|
    if self.FILE_EXISTS:
 | 
						|
      self.send_response(200, b'1234')
 | 
						|
    else:
 | 
						|
      self.send_response(404)
 | 
						|
    self.end_headers()
 | 
						|
 | 
						|
  def do_HEAD(self):
 | 
						|
    if self.FILE_EXISTS:
 | 
						|
      self.send_response(200)
 | 
						|
      self.send_header("Content-Length", "4")
 | 
						|
    else:
 | 
						|
      self.send_response(404)
 | 
						|
    self.end_headers()
 | 
						|
 | 
						|
 | 
						|
class CachingTestServer(threading.Thread):
 | 
						|
  def run(self):
 | 
						|
    self.server = http.server.HTTPServer(("127.0.0.1", 0), CachingTestRequestHandler)
 | 
						|
    self.port = self.server.server_port
 | 
						|
    self.server.serve_forever()
 | 
						|
 | 
						|
  def stop(self):
 | 
						|
    self.server.server_close()
 | 
						|
    self.server.shutdown()
 | 
						|
 | 
						|
def with_caching_server(func):
 | 
						|
  @wraps(func)
 | 
						|
  def wrapper(*args, **kwargs):
 | 
						|
    server = CachingTestServer()
 | 
						|
    server.start()
 | 
						|
    time.sleep(0.25) # wait for server to get it's port
 | 
						|
    try:
 | 
						|
      func(*args, **kwargs, port=server.port)
 | 
						|
    finally:
 | 
						|
      server.stop()
 | 
						|
  return wrapper
 | 
						|
 | 
						|
 | 
						|
class TestFileDownload(unittest.TestCase):
 | 
						|
 | 
						|
  def compare_loads(self, url, start=0, length=None):
 | 
						|
    """Compares range between cached and non cached version"""
 | 
						|
    file_cached = URLFile(url, cache=True)
 | 
						|
    file_downloaded = URLFile(url, cache=False)
 | 
						|
 | 
						|
    file_cached.seek(start)
 | 
						|
    file_downloaded.seek(start)
 | 
						|
 | 
						|
    self.assertEqual(file_cached.get_length(), file_downloaded.get_length())
 | 
						|
    self.assertLessEqual(length + start if length is not None else 0, file_downloaded.get_length())
 | 
						|
 | 
						|
    response_cached = file_cached.read(ll=length)
 | 
						|
    response_downloaded = file_downloaded.read(ll=length)
 | 
						|
 | 
						|
    self.assertEqual(response_cached, response_downloaded)
 | 
						|
 | 
						|
    # Now test with cache in place
 | 
						|
    file_cached = URLFile(url, cache=True)
 | 
						|
    file_cached.seek(start)
 | 
						|
    response_cached = file_cached.read(ll=length)
 | 
						|
 | 
						|
    self.assertEqual(file_cached.get_length(), file_downloaded.get_length())
 | 
						|
    self.assertEqual(response_cached, response_downloaded)
 | 
						|
 | 
						|
  def test_small_file(self):
 | 
						|
    # Make sure we don't force cache
 | 
						|
    os.environ["FILEREADER_CACHE"] = "0"
 | 
						|
    small_file_url = "https://raw.githubusercontent.com/commaai/openpilot/master/docs/SAFETY.md"
 | 
						|
    #  If you want large file to be larger than a chunk
 | 
						|
    #  large_file_url = "https://commadataci.blob.core.windows.net/openpilotci/0375fdf7b1ce594d/2019-06-13--08-32-25/3/fcamera.hevc"
 | 
						|
 | 
						|
    #  Load full small file
 | 
						|
    self.compare_loads(small_file_url)
 | 
						|
 | 
						|
    file_small = URLFile(small_file_url)
 | 
						|
    length = file_small.get_length()
 | 
						|
 | 
						|
    self.compare_loads(small_file_url, length - 100, 100)
 | 
						|
    self.compare_loads(small_file_url, 50, 100)
 | 
						|
 | 
						|
    #  Load small file 100 bytes at a time
 | 
						|
    for i in range(length // 100):
 | 
						|
      self.compare_loads(small_file_url, 100 * i, 100)
 | 
						|
 | 
						|
  def test_large_file(self):
 | 
						|
    large_file_url = "https://commadataci.blob.core.windows.net/openpilotci/0375fdf7b1ce594d/2019-06-13--08-32-25/3/qlog.bz2"
 | 
						|
    #  Load the end 100 bytes of both files
 | 
						|
    file_large = URLFile(large_file_url)
 | 
						|
    length = file_large.get_length()
 | 
						|
 | 
						|
    self.compare_loads(large_file_url, length - 100, 100)
 | 
						|
    self.compare_loads(large_file_url)
 | 
						|
 | 
						|
  @parameterized.expand([(True, ), (False, )])
 | 
						|
  @with_caching_server
 | 
						|
  def test_recover_from_missing_file(self, cache_enabled, port):
 | 
						|
    os.environ["FILEREADER_CACHE"] = "1" if cache_enabled else "0"
 | 
						|
 | 
						|
    file_url = f"http://localhost:{port}/test.png"
 | 
						|
 | 
						|
    CachingTestRequestHandler.FILE_EXISTS = False
 | 
						|
    length = URLFile(file_url).get_length()
 | 
						|
    self.assertEqual(length, -1)
 | 
						|
 | 
						|
    CachingTestRequestHandler.FILE_EXISTS = True
 | 
						|
    length = URLFile(file_url).get_length()
 | 
						|
    self.assertEqual(length, 4)
 | 
						|
 | 
						|
 | 
						|
 | 
						|
if __name__ == "__main__":
 | 
						|
  unittest.main()
 | 
						|
 |