async def test_get_range_file_getter_raises_for_invalid():
getter = get_range_file_getter(FilesHandler(), files2_index_path, 100,
Range("bytes", [RangePart(None, None)]))
with pytest.raises(BadRequest):
async for chunk in getter():
...
def _get_requested_range(request: Request) -> Optional[Range]:
# http://svn.tools.ietf.org/svn/wg/httpbis/specs/rfc7233.html#rfc.section.3.1
# A server must ignore a Range header field received with a request method
# other than GET
if request.method != "GET":
return None
# NB: only the first Range request header is taken into consideration;
# if the HTTP contains several Range headers, only the first is used
range_header = request.get_first_header(b"range")
if not range_header:
return None
try:
value = Range.parse(range_header)
except InvalidRangeValue:
raise BadRequest("Invalid Range header")
else:
# An origin server must ignore a Range header field that contains
# a range unit it does not understand.
if value.unit != "bytes":
return None
return value
def _validate_range(requested_range: Range, file_size: int) -> None:
if not requested_range.can_satisfy(file_size):
raise RangeNotSatisfiable()
def test_parse_range(value, expected_range):
parsed_range = Range.parse(value)
assert parsed_range == expected_range
def test_range_throws_value_error_for_invalid_value():
with pytest.raises(ValueError):
Range.parse("bytes=100-200, 400-600, 300-500=50-150")
def test_raise_for_invalid_value(invalid_value):
with pytest.raises(InvalidRangeValue):
Range.parse(invalid_value)
import pytest
from blacksheep.ranges import Range, RangePart, InvalidRangeValue
@pytest.mark.parametrize(
"range_a,range_b,equals",
[
[
Range("bytes", [RangePart(100, None)]),
Range("bytes", [RangePart(100, None)]),
True,
],
[
Range("bytes", [RangePart(100, None)]),
Range("bytes", [RangePart(None, 100)]),
False,
],
[
Range("bytes", [RangePart(100, 200),
RangePart(400, 600)]),
Range("bytes", [RangePart(100, 200),
RangePart(400, 600)]),
True,
],
[
Range("bytes", [RangePart(100, 200),
RangePart(400, 600)]),
Range("bytes", [RangePart(100, 200),
RangePart(400, 650)]),
False,
],
import pytest
from blacksheep.ranges import Range, RangePart, InvalidRangeValue
@pytest.mark.parametrize('range_a,range_b,equals', [
[
Range('bytes', [RangePart(100, None)]),
Range('bytes', [RangePart(100, None)]), True
],
[
Range('bytes', [RangePart(100, None)]),
Range('bytes', [RangePart(None, 100)]), False
],
[
Range('bytes',
[RangePart(100, 200), RangePart(400, 600)]),
Range('bytes',
[RangePart(100, 200), RangePart(400, 600)]), True
],
[
Range('bytes',
[RangePart(100, 200), RangePart(400, 600)]),
Range('bytes',
[RangePart(100, 200), RangePart(400, 650)]), False
],
[
Range('bytes',
[RangePart(100, 200),
RangePart(400, 600),
RangePart(300, 500)]),
Range('bytes',
