def test_filter_ips_white_list(self):
        CONF.network_label_regex = '.*'
        CONF.ip_regex = '^(15.|123.)'
        CONF.black_list_regex = '^10.123.123.*'
        ip = self.instance.get_visible_ip_addresses()
        ip = filter_ips(
            ip, CONF.ip_regex, CONF.black_list_regex)
        self.assertEqual(2, len(ip))
        self.assertTrue('123.123.123.123' in ip)
        self.assertTrue('15.123.123.123' in ip)
def spel(isa, with_axis=False, ax=0):
    """plot super elements of I7/ISA7 model
    Args:
      isa: Isa7 object
    """
    from matplotlib.patches import Polygon
    if ax == 0:
        ax = plt.gca()
    ax.set_aspect('equal')
    for se in isa.superelements:
        ax.add_patch(Polygon([n.xy
                              for nc in se.nodechains
                              for n in nc.nodes],
                             color=isa.color[se.color], lw=0))

    ax.autoscale(enable=True)
    if not with_axis:
        ax.axis('off')