70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
#!/usr/bin/env python3
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import os
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import shutil
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import unittest
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os.environ["COMMA_CACHE"] = "/tmp/__test_cache__"
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from tools.lib.url_file import URLFile, CACHE_DIR
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class TestFileDownload(unittest.TestCase):
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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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shutil.rmtree(CACHE_DIR)
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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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if __name__ == "__main__":
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unittest.main()
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