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_nmap_e2e(self):
ip = factory.make_ip_address(ipv6=False)
# Force the use of `nmap` by ensuring it is reported as available.
self.has_command_available_mock.return_value = True
cidr = '%s/32' % ip
slow = random.choice([True, False])
args = ['eth0', cidr]
if slow is True:
args.append('--slow')
self.run_command(*args)
expected_params = NmapParameters(
interface='eth0', cidr=cidr, slow=slow)
self.assertThat(self.popen, MockCalledOnceWith(
get_nmap_arguments(expected_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"))
