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import pytest
from werkzeug.exceptions import RequestedRangeNotSatisfiable
from onionshare_cli.web.share_mode import parse_range_header
VALID_RANGES = [
(None, 500, [(0, 499)]),
("bytes=0", 500, [(0, 499)]),
("bytes=100", 500, [(100, 499)]),
("bytes=100-", 500, [(100, 499)]), # not in the RFC, but how curl sends
("bytes=0-99", 500, [(0, 99)]),
("bytes=0-599", 500, [(0, 499)]),
("bytes=0-0", 500, [(0, 0)]),
("bytes=-100", 500, [(400, 499)]),
("bytes=0-99,100-199", 500, [(0, 199)]),
("bytes=0-100,100-199", 500, [(0, 199)]),
("bytes=0-99,101-199", 500, [(0, 99), (101, 199)]),
("bytes=0-199,100-299", 500, [(0, 299)]),
("bytes=0-99,200-299", 500, [(0, 99), (200, 299)]),
]
INVALID_RANGES = [
"bytes=200-100",
"bytes=0-100,300-200",
]
def test_parse_ranges():
for case in VALID_RANGES:
(header, target_size, expected) = case
parsed = parse_range_header(header, target_size)
assert parsed == expected, case
for invalid in INVALID_RANGES:
with pytest.raises(RequestedRangeNotSatisfiable):
parse_range_header(invalid, 500)
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