def test_bad_option_length(self):
with self.assertRaisesRegex(ValueError, 'embedded message has a different length'):
LQRelayDataOption.parse(bytes.fromhex(
'002f' # Option type: OPTION_LQ_RELAY_DATA
'003a' # Option length: 58 (should be 59)
'20010db8000000000000000000000002' # Peer address: 2001:db8::2
'0c' # Message type: MSG_RELAY_FORW
'00' # Hop count: 0
'20010db8000000000000000000000002' # Link address: 2001:db8::2
'fe800000000000000000000000000022' # Peer address: fe80::22
'0012' # Option type: OPTION_INTERFACE_ID
'0005' # Option length: 5
'4661322f33' # Interface ID: 'Fa2/3'
))
with self.assertRaisesRegex(ValueError, 'longer than the available buffer'):
LQRelayDataOption.parse(bytes.fromhex(
'002f' # Option type: OPTION_LQ_RELAY_DATA
'003c' # Option length: 60 (should be 59)
'20010db8000000000000000000000002' # Peer address: 2001:db8::2
'0c' # Message type: MSG_RELAY_FORW
'00' # Hop count: 0
'20010db8000000000000000000000002' # Link address: 2001:db8::2
'fe800000000000000000000000000022' # Peer address: fe80::22
'0012' # Option type: OPTION_INTERFACE_ID
'0005' # Option length: 5
'4661322f33' # Interface ID: 'Fa2/3'
))
def test_bad_option_length(self):
with self.assertRaisesRegex(ValueError, "embedded message has a different length"):
LQRelayDataOption.parse(
bytes.fromhex(
"002f" # Option type: OPTION_LQ_RELAY_DATA
"003a" # Option length: 58 (should be 59)
"20010db8000000000000000000000002" # Peer address: 2001:db8::2
"0c" # Message type: MSG_RELAY_FORW
"00" # Hop count: 0
"20010db8000000000000000000000002" # Link address: 2001:db8::2
"fe800000000000000000000000000022" # Peer address: fe80::22
"0012" # Option type: OPTION_INTERFACE_ID
"0005" # Option length: 5
"4661322f33" # Interface ID: 'Fa2/3'
)
)
with self.assertRaisesRegex(ValueError, "longer than the available buffer"):
LQRelayDataOption.parse(
bytes.fromhex(
"002f" # Option type: OPTION_LQ_RELAY_DATA
"003c" # Option length: 60 (should be 59)
"20010db8000000000000000000000002" # Peer address: 2001:db8::2
"0c" # Message type: MSG_RELAY_FORW
"00" # Hop count: 0
"20010db8000000000000000000000002" # Link address: 2001:db8::2
"fe800000000000000000000000000022" # Peer address: fe80::22
"0012" # Option type: OPTION_INTERFACE_ID
"0005" # Option length: 5
"4661322f33" # Interface ID: 'Fa2/3'
)
)
def test_bad_option_length(self):
with self.assertRaisesRegex(ValueError, 'length does not match the combined length'):
LQRelayDataOption.parse(bytes.fromhex(
'0030' # Option type: OPTION_LQ_CLIENT_LINK
'002f' # Option length: 47 (should be 48)
'20010db8000000000000000000000001' # Link address: 2001:db8::2
'20010db8000000000000000000000002' # Link address: 2001:db8::2
'20010db8000000000000000000000004' # Link address: 2001:db8::2
))
with self.assertRaisesRegex(ValueError, 'longer than the available buffer'):
LQRelayDataOption.parse(bytes.fromhex(
'0030' # Option type: OPTION_LQ_CLIENT_LINK
'0031' # Option length: 49 (should be 48)
'20010db8000000000000000000000001' # Link address: 2001:db8::2
'20010db8000000000000000000000002' # Link address: 2001:db8::2
'20010db8000000000000000000000004' # Link address: 2001:db8::2
))
def test_bad_option_length(self):
with self.assertRaisesRegex(
ValueError, 'length does not match the combined length'):
LQRelayDataOption.parse(
bytes.fromhex(
'0030' # Option type: OPTION_LQ_CLIENT_LINK
'002f' # Option length: 47 (should be 48)
'20010db8000000000000000000000001' # Link address: 2001:db8::2
'20010db8000000000000000000000002' # Link address: 2001:db8::2
'20010db8000000000000000000000004' # Link address: 2001:db8::2
))
with self.assertRaisesRegex(ValueError,
'longer than the available buffer'):
LQRelayDataOption.parse(
bytes.fromhex(
'0030' # Option type: OPTION_LQ_CLIENT_LINK
'0031' # Option length: 49 (should be 48)
'20010db8000000000000000000000001' # Link address: 2001:db8::2
'20010db8000000000000000000000002' # Link address: 2001:db8::2
'20010db8000000000000000000000004' # Link address: 2001:db8::2
))
