#!/usr/bin/python3 import json import shutil import socket import logging import unittest import ipaddress import subprocess from staslib import iputil, log, stas, trid IP = shutil.which('ip') class Test(unittest.TestCase): '''iputil.py unit tests''' def setUp(self): log.init(syslog=False) self.logger = logging.getLogger() self.logger.setLevel(logging.INFO) # Retrieve the list of Interfaces and all the associated IP addresses # using standard bash utility (ip address). We'll use this to make sure # iputil.get_interface() returns the same data as "ip address". try: cmd = [IP, '-j', 'address', 'show'] p = subprocess.run(cmd, stdout=subprocess.PIPE, check=True) self.ifaces = json.loads(p.stdout.decode().strip()) except subprocess.CalledProcessError: self.ifaces = [] def test_get_interface(self): '''Check that get_interface() returns the right info''' for iface in self.ifaces: for addr_entry in iface['addr_info']: addr = ipaddress.ip_address(addr_entry['local']) # Link local addresses may appear on more than one interface and therefore cannot be used. if not addr.is_link_local: self.assertEqual(iface['ifname'], iputil.get_interface(str(addr))) self.assertEqual('', iputil.get_interface('255.255.255.255')) def test_mac2iface(self): for iface in self.ifaces: address = iface.get('address', None) if address: self.assertEqual(iface['ifname'], iputil.mac2iface(address)) def test_remove_invalid_addresses(self): good_tcp = trid.TID({'transport': 'tcp', 'traddr': '1.1.1.1', 'subsysnqn': '', 'trsvcid': '8009'}) bad_tcp = trid.TID({'transport': 'tcp', 'traddr': '555.555.555.555', 'subsysnqn': '', 'trsvcid': '8009'}) any_fc = trid.TID({'transport': 'fc', 'traddr': 'blah', 'subsysnqn': ''}) bad_trtype = trid.TID({'transport': 'whatever', 'traddr': 'blah', 'subsysnqn': ''}) l1 = [ good_tcp, bad_tcp, any_fc, bad_trtype, ] l2 = stas.remove_invalid_addresses(l1) self.assertNotEqual(l1, l2) self.assertIn(good_tcp, l2) self.assertIn(any_fc, l2) # We currently don't check for invalid FC (all FCs are allowed) self.assertNotIn(bad_tcp, l2) self.assertNotIn(bad_trtype, l2) def test__data_matches_ip(self): self.assertFalse(iputil._data_matches_ip(None, None, None)) self.assertFalse(iputil._data_matches_ip(socket.AF_INET, None, None)) self.assertFalse(iputil._data_matches_ip(socket.AF_INET6, None, None)) if __name__ == "__main__": unittest.main()