netx/tests/test_ne_exec.py
oliver b6a579ec02 Skip CLI startup when device credentials are incomplete.
Reject non-interactive CLI work early across exec, LLDP, config sync, collection, traffic, and connect-test flows so tasks record a clear reason instead of launching a doomed session.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-11 15:11:59 +08:00

281 lines
11 KiB
Python

from __future__ import annotations
import unittest
from unittest.mock import MagicMock, patch
from fastapi import HTTPException
from netx_api.ne_exec import _validate_command, execute_managed_ne_commands
def _ready_creds(**overrides) -> dict:
base = {
"ip_address": "1.1.1.1",
"protocol": "ssh",
"username": "admin",
"password": "secret",
"hop_enabled": False,
}
base.update(overrides)
return base
class NeExecValidationTests(unittest.TestCase):
def test_allows_show(self) -> None:
_validate_command("show ip interface brief")
def test_allows_display(self) -> None:
_validate_command("display interface brief")
def test_allows_ping(self) -> None:
_validate_command("ping 192.168.0.1")
_validate_command("ping6 2001::1")
_validate_command("PING 10.0.0.1 vrf MGMT")
def test_allows_traceroute(self) -> None:
_validate_command("traceroute 192.168.0.1")
_validate_command("tracert 192.168.0.1")
_validate_command("trace 10.0.0.1")
_validate_command("trace6 2001::1")
_validate_command("TRACEROUTE 10.0.0.1 vpn-instance MGMT")
def test_blocks_non_allowed_prefix(self) -> None:
for cmd in (
"get system info",
"terminal length 0",
"?",
):
with self.subTest(cmd=cmd):
with self.assertRaises(HTTPException) as ctx:
_validate_command(cmd)
self.assertEqual(ctx.exception.detail, "command_not_allowed_prefix")
def test_allows_pipe_filter_subcommands(self) -> None:
for cmd in (
"show run | include hostname",
"show configuration | include hostname",
"display current-configuration | include sysname",
"show run | exclude ^!",
"show run | begin interface",
"show run | section ^router",
"show ip route | count",
"show run | match hostname",
"show run | grep hostname",
"show run | one-line",
"display current-configuration | no-more",
"show run | include x | include y",
):
with self.subTest(cmd=cmd):
_validate_command(cmd)
def test_blocks_pipe_redirect_and_unknown(self) -> None:
for cmd in (
"show run | redirect tftp://1.1.1.1/config",
"show run | append flash:cfg.txt",
"show run | tee flash:cfg.txt",
"show run | send log",
"show run | unknown-filter x",
"show run |",
"show run | | include x",
):
with self.subTest(cmd=cmd):
with self.assertRaises(HTTPException) as ctx:
_validate_command(cmd)
self.assertEqual(ctx.exception.status_code, 400)
self.assertEqual(ctx.exception.detail, "command_pipe_not_allowed")
def test_blocks_configure(self) -> None:
with self.assertRaises(HTTPException):
_validate_command("configure terminal")
def test_blocks_configure_after_pipe(self) -> None:
with self.assertRaises(HTTPException) as ctx:
_validate_command("show run | configure terminal")
self.assertEqual(ctx.exception.detail, "command_blocked")
def test_blocks_non_show_prefix(self) -> None:
with self.assertRaises(HTTPException) as ctx:
_validate_command("interface GigabitEthernet0/0")
self.assertEqual(ctx.exception.detail, "command_not_allowed_prefix")
def test_blocks_newline_chained_show_and_configure(self) -> None:
with self.assertRaises(HTTPException) as ctx:
_validate_command("show interface\nconfigure terminal")
self.assertEqual(ctx.exception.detail, "command_chars_not_allowed")
def test_blocks_unicode_line_separator_chained_commands(self) -> None:
with self.assertRaises(HTTPException) as ctx:
_validate_command("show interface\u2028system-view")
self.assertEqual(ctx.exception.detail, "command_chars_not_allowed")
def test_blocks_system_view_on_one_line(self) -> None:
with self.assertRaises(HTTPException) as ctx:
_validate_command("system-view")
self.assertEqual(ctx.exception.detail, "command_blocked")
def test_blocks_ip_address_config(self) -> None:
with self.assertRaises(HTTPException) as ctx:
_validate_command("ip address 1.1.1.1 255.255.255.0")
self.assertEqual(ctx.exception.detail, "command_blocked")
def test_blocks_vendor_destructive(self) -> None:
for cmd in ("save", "request system reboot", "clear configuration", "file delete flash:/x"):
with self.assertRaises(HTTPException) as ctx:
_validate_command(cmd)
self.assertEqual(ctx.exception.detail, "command_blocked", cmd)
def test_agent_batch_rejects_configure_before_connect(self) -> None:
cmds = [
"show interface",
"configure terminal",
"interface ge1/1",
"ip address 1.1.1.1 255.255.255.0",
]
for c in cmds[1:]:
with self.assertRaises(HTTPException):
_validate_command(c)
class NeExecRunTests(unittest.TestCase):
@patch("netx_api.ne_exec.credentials_configured", return_value=True)
@patch("netx_api.ne_exec._collect_on_device", return_value="ok-output")
@patch("netx_api.ne_exec.resolve_cli_target")
def test_execute_success(self, resolve, _collect, _configured) -> None:
resolve.return_value = (
_ready_creds(),
{
"source": "managed",
"id": "ne-1",
"ume_ne_id": None,
"name": "R2",
"vendor": "Cisco",
"device_type": "cisco_ios",
"ip_address": "192.168.0.128",
"port": 22,
"protocol": "ssh",
"connect_status": "pass",
"hop_enabled": False,
"hop_vendor": "zte",
},
)
db = MagicMock()
out = execute_managed_ne_commands(db, ["show version"], ne_id="ne-1")
self.assertTrue(out["ok"])
self.assertEqual(out["output"], "ok-output")
self.assertEqual(out["commands"], ["show version"])
@patch("netx_api.ne_exec.credentials_configured", return_value=True)
@patch("netx_api.ne_exec._collect_on_device", return_value="ok-output")
@patch("netx_api.ne_exec.resolve_cli_target")
def test_execute_skips_when_no_password(self, resolve, collect, _configured) -> None:
resolve.return_value = (
_ready_creds(password=""),
{"source": "managed", "id": "ne-1", "name": "R2", "ip_address": "192.168.0.128"},
)
db = MagicMock()
out = execute_managed_ne_commands(db, ["show version"], ne_id="ne-1")
self.assertFalse(out["ok"])
self.assertEqual(out["error"], "no_password")
collect.assert_not_called()
@patch("netx_api.ne_exec.credentials_configured", return_value=True)
@patch("netx_api.ne_exec._collect_on_device", return_value="ok-output")
@patch("netx_api.ne_exec.resolve_cli_target")
def test_execute_skips_device_when_any_command_invalid(self, resolve, collect, _configured) -> None:
db = MagicMock()
with self.assertRaises(HTTPException) as ctx:
execute_managed_ne_commands(
db,
["show interface", "configure terminal"],
ne_id="ne-1",
)
self.assertEqual(ctx.exception.detail, "command_blocked")
collect.assert_not_called()
resolve.assert_not_called()
@patch("netx_api.ne_exec.credentials_configured", return_value=True)
@patch("netx_api.ne_exec._collect_on_device", return_value="ok-output")
@patch("netx_api.ne_exec.resolve_cli_target")
def test_execute_respects_max_commands_setting(self, resolve, collect, _configured) -> None:
db = MagicMock()
cmds = [f"show version {i}" for i in range(6)]
with patch("netx_api.ne_exec.settings") as mock_settings:
mock_settings.ne_exec_max_commands = 5
with self.assertRaises(HTTPException) as ctx:
execute_managed_ne_commands(db, cmds, ne_id="ne-1")
self.assertIn("too_many_commands", str(ctx.exception.detail))
collect.assert_not_called()
resolve.return_value = (
_ready_creds(),
{
"source": "managed",
"id": "ne-1",
"ume_ne_id": None,
"name": "R2",
"vendor": "Cisco",
"device_type": "cisco_ios",
"ip_address": "192.168.0.128",
"port": 22,
"protocol": "ssh",
"connect_status": "pass",
"hop_enabled": False,
"hop_vendor": "zte",
},
)
with patch("netx_api.ne_exec.settings") as mock_settings:
mock_settings.ne_exec_max_commands = 10
mock_settings.ne_collect_read_timeout_sec = 120
out = execute_managed_ne_commands(db, cmds, ne_id="ne-1")
self.assertTrue(out["ok"])
collect.assert_called_once()
class NeExecBatchTests(unittest.TestCase):
@patch("netx_api.ne_exec.credentials_configured", return_value=True)
@patch("netx_api.ne_exec._collect_on_device", return_value="ok-output")
@patch("netx_api.ne_exec.resolve_cli_target")
@patch("netx_api.ne_exec.SessionLocal")
def test_batch_ne_ids_runs_concurrently(
self,
session_local: MagicMock,
resolve: MagicMock,
collect: MagicMock,
_creds: MagicMock,
) -> None:
from netx_api.ne_exec import execute_managed_ne_commands_batch
session_local.return_value = MagicMock()
resolve.return_value = (
_ready_creds(),
{
"source": "managed",
"id": "ne-1",
"name": "R1",
"ip_address": "1.1.1.1",
},
)
with patch("netx_api.ne_exec.settings") as mock_settings:
mock_settings.ne_exec_max_commands = 5
out = execute_managed_ne_commands_batch(
ne_ids=["a", "b", "c"],
commands=["show version"],
concurrency=3,
)
self.assertTrue(out["ok"])
self.assertEqual(out["summary"]["total"], 3)
self.assertEqual(out["summary"]["ok"], 3)
self.assertEqual(out["summary"]["failed"], 0)
self.assertEqual(collect.call_count, 3)
self.assertEqual(len(out["results"]), 3)
def test_batch_requires_targets(self) -> None:
from netx_api.ne_exec import execute_managed_ne_commands_batch
with self.assertRaises(HTTPException) as ctx:
execute_managed_ne_commands_batch(commands=["show version"])
self.assertEqual(ctx.exception.detail, "targets_required")
if __name__ == "__main__":
unittest.main()