def test_parse_byte_range():
eq_((0, 499), RangeHTTPServer.parse_byte_range('bytes=0-499'))
eq_((987, 1024), RangeHTTPServer.parse_byte_range('bytes=987-1024'))
eq_((None, None), RangeHTTPServer.parse_byte_range(''))
eq_((10, None), RangeHTTPServer.parse_byte_range('bytes=10-'))
with assert_raises(ValueError):
RangeHTTPServer.parse_byte_range('bytes=abc')
with assert_raises(ValueError):
RangeHTTPServer.parse_byte_range('characters=0-10')
with assert_raises(ValueError):
RangeHTTPServer.parse_byte_range('bytes=100-2')
def test_copy_byte_range():
inbuffer = StringIO(u'0123456789abcdefghijklmnopqrstuvwxyz')
outbuffer = StringIO()
RangeHTTPServer.copy_byte_range(inbuffer, outbuffer, 4, 10)
eq_('456789a', outbuffer.getvalue())
outbuffer = StringIO()
RangeHTTPServer.copy_byte_range(inbuffer, outbuffer, 0, 4)
eq_('01234', outbuffer.getvalue())
outbuffer = StringIO()
RangeHTTPServer.copy_byte_range(inbuffer, outbuffer, 26)
eq_('qrstuvwxyz', outbuffer.getvalue())
outbuffer = StringIO()
RangeHTTPServer.copy_byte_range(inbuffer, outbuffer, 0, 9, 10)
eq_('0123456789', outbuffer.getvalue())
inbuffer.seek(0)
outbuffer = StringIO()
RangeHTTPServer.copy_byte_range(inbuffer, outbuffer)
eq_('0123456789abcdefghijklmnopqrstuvwxyz', outbuffer.getvalue())
