def testReOpenSuccessAfterFirstFailure(self):
backend = platform_backend.PlatformBackend()
fake_forwarder_factory = fakes.FakeForwarderFactory()
fake_forwarder_factory.raise_exception_on_create = True
with mock.patch(
'telemetry.internal.platform.platform_backend.'
'PlatformBackend.forwarder_factory', new=fake_forwarder_factory):
nb = network_controller_backend.NetworkControllerBackend(backend)
try:
try:
# First time initializing network_controller_backend would fail.
nb.Open(wpr_modes.WPR_REPLAY)
except exceptions.IntentionalException:
pass
fake_forwarder_factory.raise_exception_on_create = False
# Second time initializing network_controller_backend would succeed
nb.Open(wpr_modes.WPR_REPLAY)
finally:
nb.Close()
def InitPlatformBackend(self):
self._network_controller_backend = (
network_controller_backend.NetworkControllerBackend(self))
self._tracing_controller_backend = (
tracing_controller_backend.TracingControllerBackend(self))
