def test_bad_interface_address(self):
config = send.StreamConfig()
udp_ibv_config = send.UdpIbvConfig(
endpoints=[('239.255.88.88', 8888)],
interface_address='this is not an interface address')
with pytest.raises(RuntimeError, match='Host not found'):
send.UdpIbvStream(spead2.ThreadPool(), config, udp_ibv_config)
def test_unicast_endpoints(self):
config = send.StreamConfig()
udp_ibv_config = send.UdpIbvConfig(endpoints=[('10.0.0.1', 8888)],
interface_address='10.0.0.1')
with pytest.raises(ValueError,
match='endpoint is not an IPv4 multicast address'):
send.UdpIbvStream(spead2.ThreadPool(), config, udp_ibv_config)
def test_ipv6_interface_address(self):
config = send.StreamConfig()
udp_ibv_config = send.UdpIbvConfig(
endpoints=[('239.255.88.88', 8888)],
interface_address='::1')
with pytest.raises(ValueError, match='interface address'):
send.UdpIbvStream(spead2.ThreadPool(), config, udp_ibv_config)
def test_empty_memory_region(self):
data = bytearray(0)
config = send.StreamConfig()
udp_ibv_config = send.UdpIbvConfig(endpoints=[('239.255.88.88', 8888)],
interface_address='10.0.0.1',
memory_regions=[data])
with pytest.raises(ValueError,
match='memory region must have non-zero size'):
send.UdpIbvStream(spead2.ThreadPool(), config, udp_ibv_config)
def test_overlapping_memory_regions(self):
data = memoryview(bytearray(10))
part1 = data[:6]
part2 = data[5:]
config = send.StreamConfig()
udp_ibv_config = send.UdpIbvConfig(endpoints=[('239.255.88.88', 8888)],
interface_address='10.0.0.1',
memory_regions=[part1, part2])
with pytest.raises(ValueError, match='memory regions overlap'):
send.UdpIbvStream(spead2.ThreadPool(), config, udp_ibv_config)
def test_no_endpoints(self):
config = send.StreamConfig()
udp_ibv_config = send.UdpIbvConfig(interface_address='10.0.0.1')
with pytest.raises(ValueError, match='endpoints is empty'):
send.UdpIbvStream(spead2.ThreadPool(), config, udp_ibv_config)