def test_decode_incomplete():
"""
Test that an incomplete frame does not cause a crash.
"""
try:
AX25FrameHeader.decode(from_hex('ac 96 68 84 ae 92 e0' # Destination
))
assert False, 'This should not have worked'
except ValueError as e:
eq_(str(e), 'Too few addresses')
def test_encode_no_digis():
"""
Test we can encode an AX.25 frame without digipeaters.
"""
header = AX25FrameHeader(destination='VK4BWI', source='VK4MSL', cr=True)
hex_cmp(
bytes(header),
'ac 96 68 84 ae 92 e0 ' # Destination
'ac 96 68 9a a6 98 61' # Source
)
def test_decode_no_digis():
"""
Test we can decode an AX.25 frame without digipeaters.
"""
(header, data) = AX25FrameHeader.decode(
from_hex('ac 96 68 84 ae 92 e0' # Destination
'ac 96 68 9a a6 98 61' # Source
) + b'frame data goes here' # Frame data
)
eq_(header.destination, AX25Address('VK4BWI', ch=True))
eq_(header.source, AX25Address('VK4MSL', extension=True))
eq_(len(header.repeaters), 0)
eq_(data, b'frame data goes here')
def test_encode_1digi():
"""
Test we can encode an AX.25 frame with one digipeater.
"""
header = AX25FrameHeader(destination='VK4BWI',
source='VK4MSL',
repeaters=('VK4RZB', ),
cr=True)
hex_cmp(
bytes(header),
'ac 96 68 84 ae 92 e0 ' # Destination
'ac 96 68 9a a6 98 60 ' # Source
'ac 96 68 a4 b4 84 61' # Digi
)
def test_decode_with_1digi():
"""
Test we can decode an AX.25 frame with one digipeater.
"""
(header, data) = AX25FrameHeader.decode(
from_hex('ac 96 68 84 ae 92 e0' # Destination
'ac 96 68 9a a6 98 60' # Source
'ac 96 68 a4 b4 84 61' # Digi
) + b'frame data goes here' # Frame data
)
eq_(header.destination, AX25Address('VK4BWI', ch=True))
eq_(header.source, AX25Address('VK4MSL'))
eq_(header.repeaters[0], AX25Address('VK4RZB', extension=True))
eq_(data, b'frame data goes here')