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import collections
import errno
import pytest
from pr2test.marks import require_root
from pyroute2 import IW, IPRoute
from pyroute2.netlink.exceptions import NetlinkError
@pytest.fixture
def ctx():
iw = None
ifname = None
wiphy = None
index = None
try:
iw = IW()
except NetlinkError as e:
if e.code == errno.ENOENT:
pytest.skip('nl80211 not supported')
raise
ifaces = iw.get_interfaces_dump()
if not ifaces:
raise pytest.skip('no wireless interfaces found')
for i in ifaces:
ifname = i.get_attr('NL80211_ATTR_IFNAME')
index = i.get_attr('NL80211_ATTR_IFINDEX')
wiphy = i.get_attr('NL80211_ATTR_WIPHY')
if index:
break
else:
pytest.skip('can not detect the interface to use')
yield collections.namedtuple(
'WirelessContext', ['iw', 'ifname', 'index', 'wiphy']
)(iw, ifname, index, wiphy)
iw.close()
def test_list_wiphy(ctx):
ctx.iw.list_wiphy()
def test_list_dev(ctx):
ctx.iw.list_dev()
@require_root
def test_scan(ctx):
with IPRoute() as ipr:
ipr.link('set', index=ctx.index, state='up')
ctx.iw.scan(ctx.index)
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