netx/tests/test_webcrt_audit.py
2026-09-03 14:19:51 +08:00

852 lines
32 KiB
Python

"""Tests for WebCRT / device operation audit (command lines + audit_log dual-write)."""
from __future__ import annotations
import unittest
from unittest.mock import MagicMock, patch
from netx_api.webcrt_channel import (
_DB_AUDIT_EVENTS,
_audit,
feed_command_line_buffer,
looks_like_password_prompt,
normalize_audit_line,
extract_last_prompt_command,
finalize_audit_line,
is_auditable_command_line,
_is_device_output_line,
_is_prompt_only_line,
resolve_audit_commands,
pick_audit_command,
)
from netx_api.webcrt_session_model import WebcrtSession
class FeedCommandLineBufferTests(unittest.TestCase):
def test_enter_emits_line(self) -> None:
buf, lines = feed_command_line_buffer("", "display version\r")
self.assertEqual(buf, "")
self.assertEqual(lines, ["display version"])
def test_backspace(self) -> None:
buf, lines = feed_command_line_buffer("", "disX\x08play\n")
self.assertEqual(buf, "")
self.assertEqual(lines, ["display"])
def test_multiline_paste(self) -> None:
buf, lines = feed_command_line_buffer("", "a\nb\nc\n")
self.assertEqual(buf, "")
self.assertEqual(lines, ["a", "b", "c"])
def test_partial_stays_in_buffer(self) -> None:
buf, lines = feed_command_line_buffer("", "sho")
self.assertEqual(buf, "sho")
self.assertEqual(lines, [])
buf, lines = feed_command_line_buffer(buf, "w ver\n")
self.assertEqual(buf, "")
self.assertEqual(lines, ["show ver"])
def test_empty_line_skipped(self) -> None:
buf, lines = feed_command_line_buffer("", "\r\n")
self.assertEqual(buf, "")
self.assertEqual(lines, [])
def test_ctrl_c_clears(self) -> None:
buf, lines = feed_command_line_buffer("half", "\x03show\n")
self.assertEqual(buf, "")
self.assertEqual(lines, ["show"])
def test_truncates_long_line(self) -> None:
long = "x" * 600
buf, lines = feed_command_line_buffer("", long + "\n", max_line=512)
self.assertEqual(buf, "")
self.assertEqual(len(lines), 1)
self.assertEqual(len(lines[0]), 512)
def test_ignores_delete_key_sequence(self) -> None:
buf, lines = feed_command_line_buffer("", "dis\x1b[3~play\n")
self.assertEqual(lines, ["display"])
class NormalizeAuditLineTests(unittest.TestCase):
def test_keeps_zte_hash_prompt(self) -> None:
self.assertEqual(
normalize_audit_line("AL5458-ACC-6120HS#display version"),
"AL5458-ACC-6120HS#display version",
)
def test_keeps_huawei_angle_prompt(self) -> None:
self.assertEqual(
normalize_audit_line("<HW-TARGET>display version"),
"<HW-TARGET>display version",
)
def test_keeps_bracket_prompt(self) -> None:
self.assertEqual(normalize_audit_line("[6150]show run"), "[6150]show run")
def test_strips_ansi(self) -> None:
self.assertEqual(
normalize_audit_line("\x1b[31m6150#show run\x1b[0m"),
"6150#show run",
)
class ExtractPromptCommandTests(unittest.TestCase):
def test_tab_redraw_after_carriage_return(self) -> None:
"""ZTE tab completion redraws the line with \\r — audit must use that tail."""
transcript = (
"AL5458-ACC-6120HS(config-if-loopback127)#ip ad"
"\rAL5458-ACC-6120HS(config-if-loopback127)#ip address "
"1.1.1.11 32"
)
self.assertEqual(
extract_last_prompt_command(transcript),
"AL5458-ACC-6120HS(config-if-loopback127)#ip address 1.1.1.11 32",
)
def test_config_mode_interface(self) -> None:
transcript = "AL5458-ACC-6120HS(config)#interface loopback127"
self.assertEqual(
extract_last_prompt_command(transcript),
"AL5458-ACC-6120HS(config)#interface loopback127",
)
def test_show_partial_command(self) -> None:
transcript = "AL5458-ACC-6120HS(config-if-loopback127)#show th"
self.assertEqual(
extract_last_prompt_command(transcript),
"AL5458-ACC-6120HS(config-if-loopback127)#show th",
)
class FinalizeAuditLineTests(unittest.TestCase):
def test_applies_echoed_backspaces(self) -> None:
raw = "6150#disX\bplay version"
self.assertEqual(finalize_audit_line(raw), "6150#display version")
class AuditableCommandLineTests(unittest.TestCase):
def test_prompt_only_not_auditable(self) -> None:
line = "AL5458-ACC-6120HS(config-if-loopback127)#"
self.assertTrue(_is_prompt_only_line(line))
self.assertFalse(is_auditable_command_line(line))
def test_command_with_prompt_is_auditable(self) -> None:
line = "AL5458-ACC-6120HS(config-if-loopback127)#ip address 1.1.1.11 255.255.255.255"
self.assertFalse(_is_prompt_only_line(line))
self.assertTrue(is_auditable_command_line(line))
def test_device_error_not_auditable(self) -> None:
line = "%Error 140303: Invalid input detected at '^' marker."
self.assertTrue(_is_device_output_line(line))
self.assertFalse(is_auditable_command_line(line))
def test_plain_stdin_without_prompt_not_auditable(self) -> None:
self.assertFalse(is_auditable_command_line("display version"))
out = resolve_audit_commands(
["display version"],
prompt_hint="6150#",
source="stdin",
)
self.assertEqual(out, ["6150#display version"])
def test_plain_stdin_records_actual_without_hint(self) -> None:
out = resolve_audit_commands(["display version"], source="stdin")
self.assertEqual(out, ["display version"])
class ResolveAuditCommandsTests(unittest.TestCase):
def test_merged_flush_audits_all_buf_lines(self) -> None:
"""Interleave flush: multiple Enter in one write_stdin must not drop middle commands."""
out = resolve_audit_commands(
["show version", "show ll n b", "show intf"],
audit_lines=["AL5458#show intf"],
prompt_hint="AL5458#show version",
source="stdin",
)
self.assertEqual(len(out), 3)
self.assertIn("show version", out[0])
self.assertIn("show ll n b", out[1])
self.assertIn("show intf", out[2])
def test_hint_wins_over_corrupt_stdin(self) -> None:
cmd = pick_audit_command(
"how ll n b",
"AL5458#show ll n b",
prompt_hint="AL5458#",
source="stdin",
)
self.assertEqual(cmd, "AL5458#show ll n b")
def test_tab_in_stdin_uses_prompt_hint(self) -> None:
cmd = pick_audit_command(
"dis ip int\tbr",
None,
prompt_hint="[~r1]display ip interface brief",
source="stdin",
)
self.assertEqual(cmd, "[~r1]display ip interface brief")
def test_tab_completion_hint_beats_stdin(self) -> None:
out = resolve_audit_commands(
["dis ip int\tbr"],
audit_lines=["[~r1]display ip interface brief"],
source="stdin",
)
self.assertEqual(out, ["[~r1]display ip interface brief"])
def test_insert_edit_hint_beats_stdin(self) -> None:
cmd = pick_audit_command(
"dislay version",
"[~r1]display version",
source="stdin",
)
self.assertEqual(cmd, "[~r1]display version")
def test_device_echo_expands_stale_tab_hint(self) -> None:
"""xterm may still show mid-Tab text while device already redrew the full command."""
cmd = pick_audit_command(
"dis inter\t",
"[~r1]dis interface br",
prompt_hint="[~r1]dis interface brief",
source="stdin",
)
self.assertEqual(cmd, "[~r1]dis interface brief")
def test_is_cli_expansion_abbrev_tokens(self) -> None:
from netx_api.webcrt_channel import _is_cli_expansion
self.assertTrue(_is_cli_expansion("[~r1]dis interface br", "[~r1]dis interface brief"))
self.assertTrue(_is_cli_expansion("<r1>dis ip int", "<r1>display ip interface brief"))
self.assertFalse(_is_cli_expansion("[~r1]dis arp all", "[~r1]dis interface brief"))
def test_rejects_glued_interface_legend(self) -> None:
from netx_api.webcrt_channel import _is_cli_expansion, sanitize_audit_command
dirty = (
"[~r1]display ip interface brief"
"*down: administratively down"
"!down: FIB overload down"
"^down: standby"
"(l): loopback"
)
self.assertEqual(sanitize_audit_command(dirty), "[~r1]display ip interface brief")
cmd = pick_audit_command(
"dis ip int\t",
dirty,
prompt_hint=dirty,
stdout_tail=dirty + "\nInterface PHY\n",
source="stdin",
)
self.assertEqual(cmd, "[~r1]display ip interface brief")
self.assertFalse(_is_cli_expansion("[~r1]display ip interface brief", dirty))
def test_history_recall_csi_render(self) -> None:
from netx_api.webcrt_channel import extract_last_prompt_command, render_pty_line
raw = "[~r1-LoopBack1]commit\x1b[6D \x1b[6Dip address 10.1.1.1 33"
self.assertEqual(render_pty_line(raw), "[~r1-LoopBack1]ip address 10.1.1.1 33")
self.assertEqual(
extract_last_prompt_command(raw + "\n"),
"[~r1-LoopBack1]ip address 10.1.1.1 33",
)
def test_history_edit_fragment_not_glued_to_prompt(self) -> None:
"""Up-arrow edit only types '33' — must not audit as '[*r1-LoopBack1]33'."""
cmd = pick_audit_command(
"33",
None,
prompt_hint="[*r1-LoopBack1]ip address 10.1.1.1 25",
stdout_tail="[*r1-LoopBack1]ip address 10.1.1.1 25\x1b[2D33\n",
source="stdin",
)
self.assertEqual(cmd, "[*r1-LoopBack1]ip address 10.1.1.1 33")
# Even with no usable stdout, never publish bare prompt+fragment.
cmd2 = pick_audit_command(
"33",
None,
prompt_hint="[*r1-LoopBack1]ip address 10.1.1.1 25",
source="stdin",
)
self.assertEqual(cmd2, "[*r1-LoopBack1]ip address 10.1.1.1 25")
def test_history_insert_fragment_ip(self) -> None:
# Real Huawei redraws include a trailing space before CSI left.
stdout = (
"[~r1]display interface brief "
"\x1b[24D \x1b[24D"
"display ip interface brief"
)
cmd = pick_audit_command(
"ip",
None,
prompt_hint="[~r1]display interface brief",
stdout_tail=stdout,
source="stdin",
)
self.assertEqual(cmd, "[~r1]display ip interface brief")
def test_zte_history_insert_partial_hint_prefers_echo(self) -> None:
"""ZTE redraws via ESC[K + backspace (no CSI cursor moves).
Up-arrow recalls ``show interface brief``, the operator inserts ``ip`` so
the device redraws ``show ip interface brief``. The xterm visible row can
lag a partial ``show ip`` snapshot at Enter — the full device echo must win.
"""
from netx_api.webcrt_channel import _stdout_has_inplace_edit
prompt = "AL5458-ACC-6120HS#"
# ZTE recall + ESC[K reprint of the fully-edited line.
stdout = (
"\r\r\n" + prompt + "\x1b[Kshow interface brief"
+ "\x08\x08\x08\x1b[Kshow interface brief"
+ "\r" + prompt + "\x1b[Kshow ip interface brief"
)
# ZTE redraw carries no [DCP@] CSI — without the ESC[K path this is False.
self.assertTrue(_stdout_has_inplace_edit(stdout))
# Lagging partial xterm hint; device echo is the full line.
cmd = pick_audit_command(
"ip",
prompt + "show ip",
prompt_hint=prompt + "show interface brief",
stdout_tail=stdout,
source="stdin",
)
self.assertEqual(cmd, prompt + "show ip interface brief")
# Same even when the frontend managed to send the full hint.
cmd2 = pick_audit_command(
"ip",
prompt + "show ip interface brief",
prompt_hint=prompt + "show interface brief",
stdout_tail=stdout,
source="stdin",
)
self.assertEqual(cmd2, prompt + "show ip interface brief")
# Resolve path (Enter flush) must also pick the full line.
out = resolve_audit_commands(
["ip"],
audit_line=prompt + "show ip",
prompt_hint=prompt + "show interface brief",
stdout_tail=stdout,
source="stdin",
)
self.assertEqual(out, [prompt + "show ip interface brief"])
def test_zte_real_backspace_redraw_reconstructs_full_command(self) -> None:
"""Real ZTE device redraws via backspace runs (not CSI cursor moves).
Up-arrow recalls ``show interface brief``, left-arrows move the cursor
after ``show``, then ``ip`` is inserted. The device redraws using
long ``\\x08`` backspace sequences + ``ESC[K`` reprints — it never
echoes the full ``show ip interface brief`` as one contiguous string.
``render_pty_line`` must treat ``\\x08`` as non-destructive cursor-left
(standard terminal behaviour) so the recalled text survives the redraw
and the full edited line is reconstructed.
"""
import os
from netx_api.webcrt_channel import (
_live_input_line,
_stdout_has_inplace_edit,
extract_last_prompt_command,
render_pty_line,
)
fixture = os.path.join(os.path.dirname(__file__), "fixtures",
"zte_history_edit_stdout.txt")
with open(fixture, encoding="utf-8") as f:
stdout = f.read()
prompt = "AL5458-ACC-6120HS#"
expected = prompt + "show ip interface brief"
# render_pty_line must reconstruct the full edited command.
self.assertEqual(render_pty_line(stdout.split("\n")[-1]), expected)
# extract_last_prompt_command must find the full line.
self.assertEqual(extract_last_prompt_command(stdout), expected)
# Live input line must show the full edited command.
self.assertEqual(_live_input_line(stdout), expected)
# In-place edit detected (ESC[K redraw).
self.assertTrue(_stdout_has_inplace_edit(stdout))
# Even with a lagging partial xterm hint ("show ip"), the full device
# echo must win.
cmd = pick_audit_command(
"ip",
prompt + "show ip",
prompt_hint=prompt + "show interface brief",
stdout_tail=stdout,
source="stdin",
)
self.assertEqual(cmd, expected)
# Resolve path (Enter flush) must also pick the full line.
out = resolve_audit_commands(
["ip"],
audit_line=prompt + "show ip",
prompt_hint=prompt + "show interface brief",
stdout_tail=stdout,
source="stdin",
)
self.assertEqual(out, [expected])
def test_history_midline_delete_prefers_device_echo(self) -> None:
"""Up-arrow then delete middle ``ip`` — must not keep stale longer audit_line."""
frag = (
"<r1>dis ip interface brief "
+ ("\x1b[1D" * 18)
+ " interface brief \x1b[18D\x1b[1D interface brief \x1b[18D\x1b[17C"
)
# Stale xterm snapshot still has ``ip``; device echo already deleted it.
cmd = pick_audit_command(
"",
"<r1>dis ip interface brief",
prompt_hint="<r1>dis ip interface brief",
stdout_tail=frag + "\n",
source="stdin",
)
self.assertEqual(cmd, "<r1>dis interface brief")
out = resolve_audit_commands(
[],
audit_line="<r1>dis ip interface brief",
prompt_hint="<r1>dis ip interface brief",
stdout_tail=frag + "\n",
source="stdin",
)
self.assertEqual(out, ["<r1>dis interface brief"])
def test_bare_enter_does_not_reaudit_previous_command(self) -> None:
"""Empty Enter after a prior command must not invent another audit from stdout."""
out = resolve_audit_commands(
[],
audit_line=None,
prompt_hint="<r1>dis interface",
stdout_tail="<r1>dis interface \nEthernet1/0/0 current state : UP\n<r1>",
source="stdin",
)
self.assertEqual(out, [])
out2 = resolve_audit_commands(
[],
audit_line="<r1>", # prompt-only from xterm
prompt_hint="<r1>dis interface",
stdout_tail="<r1>dis interface \n",
source="stdin",
)
self.assertEqual(out2, [])
# Stale audit_line harvested from previous command row on screen.
out3 = resolve_audit_commands(
[],
audit_line="<r1>dis interface brief",
prompt_hint="<r1>dis interface brief",
stdout_tail=(
"<r1>dis interface brief \n"
"PHY: Physical\n"
"*down: administratively down\n"
"<r1>"
),
source="stdin",
)
self.assertEqual(out3, [])
# Prompt redrawn with CR onto the previous output row (common on Huawei).
out4 = resolve_audit_commands(
[],
audit_line="<r1>dis interface brief",
prompt_hint="<r1>dis interface brief",
stdout_tail="Ethernet1/0/0 UP\r<r1>",
source="stdin",
)
self.assertEqual(out4, [])
# Leftover glyphs after CR must not look like a live command row.
out5 = resolve_audit_commands(
[],
audit_line="<r1>dis interface brief",
stdout_tail="Interface PHY Protocol\r<r1>",
source="stdin",
)
self.assertEqual(out5, [])
# Trailing CR after bare prompt must still look idle (not empty → stale hint).
out6 = resolve_audit_commands(
[],
audit_line="<r1>sys",
stdout_tail=(
"---- More ----\x1b[16D \x1b[16D<r1>sys\r\r\n"
"Enter system view, return user view with return command.\r\r\n"
"[~r1]\r\r\n"
),
source="stdin",
)
self.assertEqual(out6, [])
# pick() itself must also refuse stale hint on bare prompt.
self.assertIsNone(
pick_audit_command(
"",
"<r1>sys",
stdout_tail="[~r1]\r\r\n",
source="stdin",
)
)
def test_tab_interface_loopback_from_session_transcript(self) -> None:
"""Tab ``inter``→``interface LoopBack 1`` must audit the expanded line."""
stdout = (
"[~r1]inter\t\r\r\n"
"[~r1]interface lo\t\r\r\n"
"[~r1]interface LoopBack 1\r\r\n"
"[~r1-LoopBack1]\r\r\n"
)
# Incomplete xterm snapshot must not win over device expansion.
out = resolve_audit_commands(
["inter\tlo\t1"],
audit_line="[~r1]interface lo",
stdout_tail=stdout,
source="stdin",
)
self.assertEqual(out, ["[~r1]interface LoopBack 1"])
# Extra audit_line from duplicate Enter must not IndexError / drop the line.
out2 = resolve_audit_commands(
["inter\tlo\t1"],
audit_lines=["[~r1]interface lo", "[~r1]interface LoopBack 1"],
stdout_tail=stdout,
source="stdin",
)
self.assertEqual(out2, ["[~r1]interface LoopBack 1"])
def test_history_trailing_delete_without_audit_line(self) -> None:
"""Delete trailing ``brief`` via CSI — audit even if xterm snapshot is missing."""
frag = (
"<r1>dis ip interface brief "
+ "".join("\x1b[1D \x1b[1D" for _ in range(6))
)
out = resolve_audit_commands(
[],
audit_line=None,
stdout_tail=frag + "\n",
source="stdin",
)
self.assertEqual(out, ["<r1>dis ip interface"])
# Stale longer audit_line must not win over CSI-shortened echo.
out2 = resolve_audit_commands(
[],
audit_line="<r1>dis ip interface brief",
stdout_tail=frag + "\n",
source="stdin",
)
self.assertEqual(out2, ["<r1>dis ip interface"])
def test_early_stdin_plain_command(self) -> None:
out = resolve_audit_commands(
["show version"],
source="early_stdin",
prompt_hint="AL5458#",
)
self.assertEqual(out, ["show version"])
class PasswordPromptTests(unittest.TestCase):
def test_detects_password_prompt(self) -> None:
self.assertTrue(looks_like_password_prompt("Password:"))
self.assertTrue(looks_like_password_prompt("Please enter password:"))
self.assertTrue(looks_like_password_prompt("请输入密码:"))
self.assertFalse(looks_like_password_prompt("<SW>"))
self.assertFalse(looks_like_password_prompt("Username:"))
class AuditDualWriteTests(unittest.TestCase):
def test_db_events_set(self) -> None:
self.assertIn("session_created", _DB_AUDIT_EVENTS)
self.assertIn("command", _DB_AUDIT_EVENTS)
self.assertNotIn("session_attached", _DB_AUDIT_EVENTS)
@patch("netx_api.webcrt_channel.webcrt_data_root")
@patch("netx_api.audit_async.enqueue_audit")
def test_lifecycle_enqueues_audit_log(self, mock_enq: MagicMock, mock_root: MagicMock) -> None:
root = MagicMock()
path = MagicMock()
mock_root.return_value = root
root.__truediv__ = MagicMock(return_value=path)
path.open = MagicMock()
fh = MagicMock()
path.open.return_value.__enter__ = MagicMock(return_value=fh)
path.open.return_value.__exit__ = MagicMock(return_value=False)
_audit(
"session_created",
session_id="sid1",
ne_id="ne1",
ne_name="core-sw",
ne_ip="10.0.0.1",
protocol="ssh",
owner_user_id="u1",
owner_username="alice",
)
mock_enq.assert_called_once()
kwargs = mock_enq.call_args.kwargs
self.assertEqual(kwargs["action"], "webcrt.session_created")
self.assertEqual(kwargs["actor_username"], "alice")
self.assertEqual(kwargs["actor_user_id"], "u1")
self.assertEqual(kwargs["detail"]["ne_name"], "core-sw")
self.assertEqual(kwargs["detail"]["ne_ip"], "10.0.0.1")
@patch("netx_api.webcrt_channel.webcrt_data_root")
@patch("netx_api.audit_async.enqueue_audit")
def test_attach_does_not_enqueue(self, mock_enq: MagicMock, mock_root: MagicMock) -> None:
root = MagicMock()
path = MagicMock()
mock_root.return_value = root
root.__truediv__ = MagicMock(return_value=path)
path.open = MagicMock()
fh = MagicMock()
path.open.return_value.__enter__ = MagicMock(return_value=fh)
path.open.return_value.__exit__ = MagicMock(return_value=False)
_audit("session_attached", session_id="sid1", ne_id="ne1")
mock_enq.assert_not_called()
class SessionCommandAuditTests(unittest.TestCase):
@patch("netx_api.webcrt_session_model._audit")
def test_write_stdin_audits_completed_command(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
# Force write_channel path (no send).
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-cmd",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
owner_user_id="u1",
owner_username="bob",
conn=conn,
)
sess.write_stdin("\r", audit_line="6150#display version")
mock_audit.assert_called()
event = mock_audit.call_args[0][0]
self.assertEqual(event, "command")
kwargs = mock_audit.call_args.kwargs
self.assertEqual(kwargs["command"], "6150#display version")
self.assertEqual(kwargs["owner_username"], "bob")
self.assertEqual(kwargs["ne_name"], "lab")
self.assertFalse(kwargs["redacted"])
@patch("netx_api.webcrt_session_model._audit")
def test_audit_line_wins_over_stdout_backspaces(self, mock_audit: MagicMock) -> None:
"""Frontend xterm row at Enter is authoritative; PTY stdout has edit noise."""
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-xterm",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
owner_user_id="u1",
owner_username="bob",
conn=conn,
)
sess._note_stdout_for_audit(
"AL5458-ACC-6120HS(config-if-loopback127)#ip address 11\b\b\bip ad\b\bip address 1.1.1.11 32"
)
final = "AL5458-ACC-6120HS(config-if-loopback127)#ip address 1.1.1.11 255.255.255.255"
sess.write_stdin("\r", audit_line=final)
kwargs = mock_audit.call_args.kwargs
self.assertEqual(kwargs["command"], final)
@patch("netx_api.webcrt_session_model._audit")
def test_empty_enter_not_audited(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-empty",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
conn=conn,
)
sess._last_prompt_line = "AL5458-ACC-6120HS(config-if-loopback127)#ip address 1.1.1.11 255.255.255.255"
sess._note_stdout_for_audit("AL5458-ACC-6120HS(config-if-loopback127)#\r\n")
sess.write_stdin("\r", audit_line="AL5458-ACC-6120HS(config-if-loopback127)#")
mock_audit.assert_not_called()
@patch("netx_api.webcrt_session_model._audit")
def test_duplicate_enter_same_command_deduped(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-dedup",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
conn=conn,
)
line = "AL5458-ACC-6120HS(config)#intt"
sess.write_stdin("\r", audit_line=line)
sess.write_stdin("\r", audit_line=line)
self.assertEqual(mock_audit.call_count, 1)
@patch("netx_api.webcrt_session_model._audit")
def test_prompt_sync_enter_not_audited(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-sync",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
conn=conn,
)
sess._last_prompt_line = "AL5458-ACC-6120HS#configure terminal"
sess._note_stdout_for_audit("AL5458-ACC-6120HS#configure terminal\r\n")
sess.write_stdin("\r", audit_source="prompt_sync")
mock_audit.assert_not_called()
@patch("netx_api.webcrt_session_model._audit")
def test_merged_write_stdin_audits_every_command(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-merge",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
conn=conn,
)
sess._last_prompt_line = "AL5458#"
sess.write_stdin(
"show version\rshow ll n b\rshow intf\r",
audit_lines=["AL5458#show intf"],
)
self.assertEqual(mock_audit.call_count, 3)
recorded = [c.kwargs["command"] for c in mock_audit.call_args_list]
self.assertTrue(any("show version" in x for x in recorded))
self.assertTrue(any("show ll n b" in x for x in recorded))
self.assertTrue(any("show intf" in x for x in recorded))
@patch("netx_api.webcrt_session_model._audit")
def test_device_error_audit_line_rejected(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-err",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
conn=conn,
)
sess.write_stdin(
"\r",
audit_line="%Error 140303: Invalid input detected at '^' marker.",
)
mock_audit.assert_not_called()
@patch("netx_api.webcrt_session_model._audit")
def test_password_mode_redacts_command(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-pw",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
conn=conn,
)
sess._note_stdout_for_audit("Password:")
self.assertTrue(sess._password_mode)
sess.write_stdin("secret-pass\r")
kwargs = mock_audit.call_args.kwargs
self.assertEqual(kwargs["command"], "***")
self.assertTrue(kwargs["redacted"])
self.assertFalse(sess._password_mode)
@patch("netx_api.webcrt_session_model._audit")
def test_post_login_source(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-pl",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
conn=conn,
post_login_commands=["screen-length 0 temporary"],
)
with patch("netx_api.webcrt_session_model.time.sleep"):
sess.run_post_login_commands()
kwargs = mock_audit.call_args.kwargs
self.assertEqual(kwargs["source"], "post_login")
self.assertEqual(kwargs["command"], "screen-length 0 temporary")
if __name__ == "__main__":
unittest.main()