def testHostSampleReportsNewInterface(self):
interfaces_before = set(
sampling._get_interfaces_and_samples().iterkeys())
with dummy_if() as dummy_name:
interfaces_after = set(
sampling._get_interfaces_and_samples().iterkeys())
interfaces_diff = interfaces_after - interfaces_before
self.assertEqual(interfaces_diff, {dummy_name})
def testHostSampleReportsNewInterface(self):
interfaces_before = set(
sampling._get_interfaces_and_samples().iterkeys())
with dummy.device() as dummy_name:
interfaces_after = set(
sampling._get_interfaces_and_samples().iterkeys())
interfaces_diff = interfaces_after - interfaces_before
self.assertEqual(interfaces_diff, {dummy_name})
def testHostSampleHandlesDisappearingVlanInterfaces(self):
original_getLinks = ipwrapper.getLinks
def faultyGetLinks():
all_links = list(original_getLinks())
ipwrapper.linkDel(self.NEW_VLAN)
return iter(all_links)
with MonkeyPatchScope([(ipwrapper, 'getLinks', faultyGetLinks)]):
with dummy_if() as dummy, vlan(self.NEW_VLAN, dummy, 999):
interfaces_and_samples = sampling._get_interfaces_and_samples()
self.assertNotIn(self.NEW_VLAN, interfaces_and_samples)
def testHostSampleHandlesDisappearingVlanInterfaces(self):
original_getLinks = ipwrapper.getLinks
def faultyGetLinks():
all_links = list(original_getLinks())
ipwrapper.linkDel(self.NEW_VLAN)
return iter(all_links)
with MonkeyPatchScope([(ipwrapper, 'getLinks', faultyGetLinks)]):
with dummy.device() as dummy_name, vlan(self.NEW_VLAN, dummy_name,
999):
interfaces_and_samples = sampling._get_interfaces_and_samples()
self.assertNotIn(self.NEW_VLAN, interfaces_and_samples)