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import pytest
from webob.byterange import Range
from webob.byterange import ContentRange
from webob.byterange import _is_content_range_valid
from webob.compat import Iterable
# Range class
def test_not_satisfiable():
range = Range.parse('bytes=-100')
assert range.range_for_length(50) is None
range = Range.parse('bytes=100-')
assert range.range_for_length(50) is None
def test_range_parse():
assert isinstance(Range.parse('bytes=0-99'), Range)
assert isinstance(Range.parse('BYTES=0-99'), Range)
assert isinstance(Range.parse('bytes = 0-99'), Range)
assert isinstance(Range.parse('bytes=0 - 102'), Range)
assert Range.parse('bytes=10-5') is None
assert Range.parse('bytes 5-10') is None
assert Range.parse('words=10-5') is None
def test_range_content_range_length_none():
range = Range(0, 100)
assert range.content_range(None) is None
assert isinstance(range.content_range(1), ContentRange)
assert tuple(range.content_range(1)) == (0, 1, 1)
assert tuple(range.content_range(200)) == (0, 100, 200)
def test_range_for_length_end_is_none():
# End is None
range = Range(0, None)
assert range.range_for_length(100) == (0, 100)
def test_range_for_length_end_is_none_negative_start():
# End is None and start is negative
range = Range(-5, None)
assert range.range_for_length(100) == (95, 100)
def test_range_start_none():
# Start is None
range = Range(None, 99)
assert range.range_for_length(100) is None
def test_range_str_end_none():
range = Range(0, None)
assert str(range) == 'bytes=0-'
def test_range_str_end_none_negative_start():
range = Range(-5, None)
assert str(range) == 'bytes=-5'
def test_range_str_1():
range = Range(0, 100)
assert str(range) == 'bytes=0-99'
def test_range_repr():
range = Range(0, 99)
assert repr(range) == '<Range bytes 0-99>'
# ContentRange class
def test_contentrange_bad_input():
with pytest.raises(ValueError):
ContentRange(None, 99, None)
def test_contentrange_repr():
contentrange = ContentRange(0, 99, 100)
assert repr(contentrange) == '<ContentRange bytes 0-98/100>'
def test_contentrange_str():
contentrange = ContentRange(0, 99, None)
assert str(contentrange) == 'bytes 0-98/*'
contentrange = ContentRange(None, None, 100)
assert str(contentrange) == 'bytes */100'
def test_contentrange_iter():
contentrange = ContentRange(0, 99, 100)
assert isinstance(contentrange, Iterable)
assert ContentRange.parse('bytes 0-99/100').__class__ == ContentRange
assert ContentRange.parse(None) is None
assert ContentRange.parse('0-99 100') is None
assert ContentRange.parse('bytes 0-99 100') is None
assert ContentRange.parse('bytes 0-99/xxx') is None
assert ContentRange.parse('bytes 0 99/100') is None
assert ContentRange.parse('bytes */100').__class__ == ContentRange
assert ContentRange.parse('bytes A-99/100') is None
assert ContentRange.parse('bytes 0-B/100') is None
assert ContentRange.parse('bytes 99-0/100') is None
assert ContentRange.parse('bytes 0 99/*') is None
# _is_content_range_valid function
def test_is_content_range_valid():
assert not _is_content_range_valid(None, 99, 90)
assert not _is_content_range_valid(99, None, 90)
assert _is_content_range_valid(None, None, 90)
assert not _is_content_range_valid(None, 99, 90)
assert _is_content_range_valid(0, 99, None)
assert not _is_content_range_valid(0, 99, 90, response=True)
assert _is_content_range_valid(0, 99, 90)
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