def test__no_ip_raises_ipaddressnotavailable(self):
mock_ioerror = IOError()
mock_ioerror.errno = errno.EADDRNOTAVAIL
self.patch(detect_module.fcntl, "ioctl").side_effect = mock_ioerror
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
with ExpectedException(IPAddressNotAvailable, ".*No IP address.*"):
get_interface_ip(sock, "lo")
def test__unknown_errno_ip_raises_ipaddressnotavailable(self):
mock_ioerror = IOError()
mock_ioerror.errno = errno.EACCES
self.patch(detect_module.fcntl, "ioctl").side_effect = mock_ioerror
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
# Drive-by test for the strerror() call.
with ExpectedException(IPAddressNotAvailable,
"Failed.*Permission denied."):
get_interface_ip(sock, "lo")
def test__invalid_interface_raises_interfacenotfound(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
with ExpectedException(detect_module.InterfaceNotFound):
get_interface_ip(sock, factory.make_unicode_string(size=15))
def test_loopback_has_localhost_address(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.assertEqual("127.0.0.1", get_interface_ip(sock, "lo"))
