# Copyright (C) 2015 Stefan C. Mueller

import unittest
import ifaddr

class TestIfaddr(unittest.TestCase):
    """
    Unittests for :mod:`ifaddr`.
    
    There isn't much unit-testing that can be done without making assumptions
    on the system or mocking of operating system APIs. So this just contains
    a sanity check for the moment.
    """
    
    def test_get_adapters_contains_localhost(self):
        
        found = False
        adapters = ifaddr.get_adapters()
        for adapter in adapters:
            for ip in adapter.ips:
                if ip.ip == "127.0.0.1":
                    found = True
                    
        self.assertTrue(found, "No adapter has IP 127.0.0.1: %s" % str(adapters))