def test__runs_popen_with_expected_parameters(self):
popen = self.patch(scan_network_module.subprocess, 'Popen')
popen.return_value.poll = Mock()
popen.return_value.poll.return_value = None
interface = factory.make_name('eth')
cidr = "192.168.0.0/24"
params = NmapParameters(interface, cidr, slow=False)
run_nmap(params)
self.assertThat(popen, MockCalledOnceWith(
get_nmap_arguments(params),
stderr=subprocess.DEVNULL, stdin=subprocess.DEVNULL,
stdout=subprocess.DEVNULL, env=get_env_with_locale(),
preexec_fn=os.setsid))
def test_runs_popen_with_expected_parameters__slow(self):
popen = self.patch(scan_network_module.subprocess, "Popen")
popen.return_value.poll = Mock()
popen.return_value.poll.return_value = None
interface = factory.make_name("eth")
cidr = "192.168.0.0/24"
params = NmapParameters(interface, cidr, slow=True)
run_nmap(params)
nmap_args = get_nmap_arguments(params)
self.assertThat(
popen,
MockCalledOnceWith(
nmap_args,
stderr=subprocess.DEVNULL,
stdin=subprocess.DEVNULL,
stdout=subprocess.DEVNULL,
env=get_env_with_locale(),
preexec_fn=os.setsid,
),
)
self.assertThat(nmap_args, Contains("--max-rate"))