mirror of
https://github.com/hansjone/netx.git
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oliver
499b4cc2a1
Open SFTP on the live session transport after SSH connect, pass the target path on every list refresh, and use folder/file icons in the browser panel. Co-authored-by: Cursor <cursoragent@cursor.com>
797 lines
31 KiB
Python
797 lines
31 KiB
Python
"""Unit tests for WebCRT session service (mocked device connection)."""
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from __future__ import annotations
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import time
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import unittest
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from unittest.mock import MagicMock, patch
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from fastapi import HTTPException
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from netx_api import webcrt_service as svc
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class _FakeConn:
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def __init__(self) -> None:
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self.written: list[str] = []
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self.RETURN = "\n"
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self.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty", "send_break", "send"])
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self.remote_conn.recv_ready.return_value = False
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self.remote_conn.exit_status_ready.return_value = False
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self.remote_conn.resize_pty = MagicMock()
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self.remote_conn.send_break = MagicMock()
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# No send by default so write_stdin uses write_channel in unit tests.
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del self.remote_conn.send
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def write_channel(self, data: str) -> None:
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self.written.append(data)
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def read_channel(self) -> str:
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return ""
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def disconnect(self) -> None:
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return None
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class WebcrtServiceTests(unittest.TestCase):
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def setUp(self) -> None:
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with svc._sessions_lock:
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for s in list(svc._sessions.values()):
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s.close("test_cleanup")
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svc._sessions.clear()
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def tearDown(self) -> None:
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self.setUp()
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def test_session_write_resize_and_close(self) -> None:
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conn = _FakeConn()
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sess = svc.WebcrtSession(
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session_id="s1",
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ne_id="ne1",
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ne_name="lab",
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ne_ip="1.2.3.4",
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protocol="ssh",
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cols=80,
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rows=24,
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cli_keymap=True,
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conn=conn, # type: ignore[arg-type]
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)
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sess.write_stdin("show ver\n")
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self.assertEqual(conn.written, ["show ver\n"])
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# xterm Enter (\r) -> Netmiko RETURN (\n for SSH)
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sess.write_stdin("\r")
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self.assertEqual(conn.written[-1], "\n")
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# Backspace DEL -> BS
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sess.write_stdin("\x7f")
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self.assertEqual(conn.written[-1], "\x08")
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# CSI arrows pass through; application-cursor SS3 -> CSI.
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sess.write_stdin("\x1b[D\x1b[C\x1b[A\x1b[B")
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self.assertEqual(conn.written[-1], "\x1b[D\x1b[C\x1b[A\x1b[B")
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sess.write_stdin("\x1bOD")
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self.assertEqual(conn.written[-1], "\x1b[D")
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sess.resize(120, 40)
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conn.remote_conn.resize_pty.assert_called_with(width=120, height=40)
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conn.remote_conn.send_break = MagicMock()
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sess.send_break()
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conn.remote_conn.send_break.assert_called()
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sess.close("test")
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self.assertTrue(sess.closed)
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def test_map_network_cli_keys_helpers(self) -> None:
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# Backspace: DEL -> BS (SecureCRT/VT default), vendor-agnostic.
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self.assertEqual(svc.map_network_cli_keys("\x7fab"), "\x08ab")
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self.assertEqual(svc.map_network_cli_keys("\x7fab", device_type="cisco_ios", vendor="Cisco"), "\x08ab")
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self.assertEqual(svc.map_network_cli_keys("\x7fab", device_type="huawei", vendor="Huawei"), "\x08ab")
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# Keep CSI left; normalize SS3 application-cursor left.
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self.assertEqual(svc.map_network_cli_keys("\x1b[D"), "\x1b[D")
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self.assertEqual(svc.map_network_cli_keys("\x1bOD"), "\x1b[D")
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self.assertEqual(svc.map_network_cli_keys("\x1bOA\x1bOB\x1bOC\x1bOD"), "\x1b[A\x1b[B\x1b[C\x1b[D")
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self.assertTrue(svc.uses_network_cli_keymap("huawei", "Huawei"))
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self.assertFalse(svc.uses_network_cli_keymap("linux", "bastion"))
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self.assertEqual(svc.map_network_cli_enter("\r", _FakeConn()), "\n") # type: ignore[arg-type]
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telnet = _FakeConn()
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telnet.RETURN = "\r\n"
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self.assertEqual(svc.map_network_cli_enter("\r", telnet), "\r\n") # type: ignore[arg-type]
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self.assertEqual(svc.normalize_cli_transcript("R2#R2#\nR2#"), "R2#")
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self.assertEqual(svc.normalize_cli_transcript("banner\nR2#R2#"), "banner\nR2#")
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self.assertEqual(svc.prepare_bootstrap_output("login\nR2#\nR2#"), "login\nR2#")
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self.assertTrue(svc.prepare_bootstrap_output("login\nR2#").endswith("R2#"))
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# Slow VM / prime Enter can leave three identical prompts.
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self.assertEqual(svc.prepare_bootstrap_output("banner\nR2#\nR2#\nR2#"), "banner\nR2#")
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self.assertEqual(svc.prepare_bootstrap_output("banner\nR2#\n\nR2#"), "banner\nR2#")
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self.assertTrue(svc._is_prompt_only_echo("\r\nR2#\r\n", "R2#"))
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self.assertFalse(svc._is_prompt_only_echo("R2#show clock\r\n", "R2#"))
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self.assertTrue(svc._looks_like_login_prompt("Username:"))
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self.assertTrue(svc._looks_like_login_prompt("login:\nPassword:"))
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self.assertFalse(svc._looks_like_login_prompt("<r1>"))
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self.assertTrue(svc._looks_like_cli_prompt("<r1>"))
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# Stray ':' after Huawei prompt must still count as prompted (no extra Enter).
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self.assertTrue(svc._looks_like_cli_prompt("<r1>:"))
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self.assertEqual(svc.prepare_bootstrap_output("banner\n<r1>:"), "banner\n<r1>")
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self.assertTrue(svc._looks_like_password_change_prompt("Change now? [Y/N]:"))
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self.assertFalse(svc._looks_like_password_change_prompt("Change now? [Y/N]:N"))
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# WS attach must not send Enter when bootstrap is a login prompt.
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self.assertFalse(
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(not svc._looks_like_cli_prompt("Username:") and not svc._looks_like_login_prompt("Username:"))
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)
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self.assertTrue(
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(not svc._looks_like_cli_prompt("") and not svc._looks_like_login_prompt(""))
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)
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def test_capture_raw_channel_keeps_banner(self) -> None:
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conn = _FakeConn()
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conn.remote_conn.recv_ready.side_effect = [True, True, False, False, False, False]
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conn.remote_conn.recv.side_effect = [b"*** IOSv BANNER ***\r\n", b"R2#"]
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text = svc._capture_raw_channel(conn, duration=0.2)
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self.assertIn("IOSv BANNER", text)
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self.assertIn("R2#", text)
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self.assertNotIn("MagicMock", text)
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@patch.object(svc, "_audit")
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@patch.object(svc, "open_netmiko_connection")
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@patch("netx_api.cli_resolve.resolve_cli_target")
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def test_bootstrap_from_channel_when_session_log_empty(
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self,
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mock_resolve: MagicMock,
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mock_open: MagicMock,
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_mock_audit: MagicMock,
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) -> None:
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"""Interactive generic SSH: banner is on the PTY, not in Netmiko session_log."""
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mock_resolve.return_value = (
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{"username": "admin", "password": "x", "protocol": "ssh", "ip_address": "192.168.0.128"},
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{
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"id": "ne-banner",
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"name": "R2",
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"ip_address": "192.168.0.128",
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"protocol": "ssh",
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"device_type": "generic",
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"source": "webcrt",
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},
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)
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fake = _FakeConn()
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# Already at prompt with banner waiting on the channel (no session_log writes).
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fake.remote_conn.recv_ready.side_effect = [True, True, False] * 20
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fake.remote_conn.recv.side_effect = [
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b"**************************************************************************\r\n",
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b"R2#",
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] + [b""] * 40
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def _open(*_a, **_k):
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return fake
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mock_open.side_effect = _open
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out = svc.create_session(
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MagicMock(), ne_id="ne-banner", cols=80, rows=24, client="test", async_connect=False
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)
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sess = svc.get_session(out["session_id"])
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assert sess is not None
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boot = sess.bootstrap_output.decode("utf-8", errors="replace")
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self.assertIn("****", boot)
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self.assertIn("R2#", boot)
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svc.close_session(out["session_id"], reason="test")
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@patch.object(svc, "_audit")
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@patch.object(svc, "open_netmiko_connection")
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@patch("netx_api.cli_resolve.resolve_cli_target")
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def test_create_session_password_override(
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self,
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mock_resolve: MagicMock,
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mock_open: MagicMock,
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_mock_audit: MagicMock,
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) -> None:
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mock_resolve.return_value = (
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{
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"username": "u",
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"password": "",
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"hop_enabled": False,
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"ip_address": "10.0.0.9",
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"protocol": "ssh",
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"device_type": "linux",
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"port": 22,
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},
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{
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"id": "ne-ephemeral",
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"name": "E",
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"ip_address": "10.0.0.9",
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"protocol": "ssh",
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"source": "webcrt",
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"device_type": "linux",
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},
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)
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mock_open.side_effect = lambda *a, **k: _FakeConn()
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db = MagicMock()
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with self.assertRaises(HTTPException) as ctx:
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svc.create_session(db, ne_id="ne-ephemeral", async_connect=False)
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self.assertEqual(ctx.exception.status_code, 400)
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out = svc.create_session(
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db,
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ne_id="ne-ephemeral",
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async_connect=False,
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username_override="u",
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password_override="once",
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)
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self.assertEqual(out.get("state"), "ready")
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called_creds = mock_open.call_args.args[0] if mock_open.call_args.args else mock_open.call_args[0][0]
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self.assertEqual(called_creds.get("password"), "once")
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svc.close_session(out["session_id"], reason="test")
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@patch.object(svc, "_audit")
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@patch.object(svc, "open_netmiko_connection")
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@patch("netx_api.cli_resolve.resolve_cli_target")
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def test_create_session_limit(
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self,
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mock_resolve: MagicMock,
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mock_open: MagicMock,
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_mock_audit: MagicMock,
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) -> None:
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mock_resolve.return_value = (
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{
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"username": "u",
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"password": "p",
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"hop_enabled": False,
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"ip_address": "10.0.0.1",
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"protocol": "ssh",
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},
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{
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"id": "ne-a",
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"name": "A",
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"ip_address": "10.0.0.1",
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"protocol": "ssh",
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"source": "managed",
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},
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)
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mock_open.side_effect = lambda *a, **k: _FakeConn()
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db = MagicMock()
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with patch.object(svc.settings, "webcrt_max_sessions", 1):
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out = svc.create_session(db, ne_id="ne-a", cols=80, rows=24, client="test", async_connect=False)
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self.assertIn("session_id", out)
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self.assertEqual(out.get("state"), "ready")
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self.assertFalse(out.get("cli_hop"))
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with self.assertRaises(HTTPException) as ctx:
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svc.create_session(db, ne_id="ne-a", cols=80, rows=24, client="test", async_connect=False)
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self.assertEqual(ctx.exception.status_code, 429)
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@patch.object(svc, "_audit")
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@patch.object(svc, "open_netmiko_connection")
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@patch("netx_api.cli_resolve.resolve_cli_target")
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def test_create_session_passes_hop_creds(
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self,
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mock_resolve: MagicMock,
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mock_open: MagicMock,
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_mock_audit: MagicMock,
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) -> None:
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mock_resolve.return_value = (
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{
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"username": "u",
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"password": "p",
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"hop_enabled": True,
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"hop_vendor": "bastion",
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"hop_host": "jump.example",
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"hop_username": "jumpuser",
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"hop_password": "jumppass",
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"hop_target_auth_mode": "bastion_managed",
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"ip_address": "10.0.0.2",
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"protocol": "ssh",
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},
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{
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"id": "ne-hop",
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"name": "HopNE",
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"ip_address": "10.0.0.2",
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"protocol": "ssh",
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"source": "managed",
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},
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)
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fake = _FakeConn()
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def _open_with_log(*_a, **kwargs):
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log_buf = kwargs.get("session_log")
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if log_buf is not None and hasattr(log_buf, "write"):
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log_buf.write(
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b"Warning: Telnet is not a secure protocol...\r\n"
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b"Username:huawei\r\nPassword:\r\n"
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b"<r1>"
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)
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return fake
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mock_open.side_effect = _open_with_log
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db = MagicMock()
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out = svc.create_session(db, ne_id="ne-hop", cols=100, rows=30, client="test", async_connect=False)
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mock_open.assert_called_once()
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called_creds = mock_open.call_args.args[0]
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self.assertTrue(called_creds["hop_enabled"])
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self.assertEqual(called_creds["hop_vendor"], "bastion")
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self.assertIn("session_log", mock_open.call_args.kwargs)
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self.assertEqual(mock_open.call_args.kwargs.get("keepalive"), 0)
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self.assertEqual(out.get("keepalive_sec"), 0)
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fake.remote_conn.resize_pty.assert_called()
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self.assertEqual(out["ne_id"], "ne-hop")
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self.assertFalse(out.get("cli_hop")) # bastion hop is not vendor CLI hop guard
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sess = svc.get_session(out["session_id"])
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assert sess is not None
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boot = sess.bootstrap_output.decode("utf-8", errors="replace")
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self.assertIn("Username:huawei", boot)
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self.assertIn("<r1>", boot)
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self.assertFalse(sess.needs_live_prompt)
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before = list(fake.written)
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sess.write_stdin("\n")
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self.assertEqual(fake.written[len(before) :], ["\n"])
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svc.close_session(out["session_id"], reason="test")
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@patch.object(svc, "_audit")
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@patch.object(svc, "get_cli_hop_guard")
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@patch.object(svc, "open_netmiko_connection")
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@patch("netx_api.cli_resolve.resolve_cli_target")
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def test_create_session_reports_cli_hop(
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self,
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mock_resolve: MagicMock,
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mock_open: MagicMock,
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mock_guard: MagicMock,
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_mock_audit: MagicMock,
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) -> None:
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mock_resolve.return_value = (
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{
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"username": "u",
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"password": "p",
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"hop_enabled": True,
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"hop_vendor": "huawei",
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"ip_address": "10.0.0.3",
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"protocol": "ssh",
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},
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{
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"id": "ne-cli-hop",
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"name": "C",
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"ip_address": "10.0.0.3",
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"protocol": "ssh",
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"source": "managed",
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},
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)
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mock_open.side_effect = lambda *a, **k: _FakeConn()
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mock_guard.return_value = {"hop_prompt": "<HOP>", "hop_vendor": "huawei", "hop_host": "1.1.1.1"}
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out = svc.create_session(
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MagicMock(), ne_id="ne-cli-hop", cols=100, rows=30, client="test", async_connect=False
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)
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sess = svc.get_session(out["session_id"])
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assert sess is not None
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self.assertTrue(sess.cli_hop_guard)
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self.assertTrue(out.get("cli_hop") or sess.cli_hop_guard)
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self.assertEqual(mock_open.call_args.kwargs.get("cols"), 100)
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self.assertEqual(mock_open.call_args.kwargs.get("rows"), 30)
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self.assertEqual(sess.cli_hop_prompt, "<HOP>")
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svc.close_session(out["session_id"], reason="test")
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@patch.object(svc, "_audit")
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@patch.object(svc, "open_netmiko_connection")
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@patch("netx_api.cli_resolve.resolve_cli_target")
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def test_create_session_bastion_managed_without_target_password(
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self,
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mock_resolve: MagicMock,
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mock_open: MagicMock,
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_mock_audit: MagicMock,
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) -> None:
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mock_resolve.return_value = (
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{
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"username": "ca-oper",
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"password": "",
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"hop_enabled": True,
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"hop_vendor": "bastion",
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"hop_host": "10.34.145.27",
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"hop_username": "ZTE-TSM",
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"hop_password": "bastion-secret",
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"hop_target_auth_mode": "bastion_managed",
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"hop_command_template": "ssh {target_ip}",
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"ip_address": "114.0.44.90",
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"protocol": "ssh",
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"device_type": "zte_zxros",
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},
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{
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"id": "ne-bastion",
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"name": "KND-PUN-EN1-Z20HS",
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"ip_address": "114.0.44.90",
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"protocol": "ssh",
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"source": "managed",
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},
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)
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mock_open.return_value = _FakeConn()
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out = svc.create_session(
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MagicMock(), ne_id="ne-bastion", cols=80, rows=24, client="test", async_connect=False
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)
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mock_open.assert_called_once()
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self.assertEqual(out["ne_id"], "ne-bastion")
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svc.close_session(out["session_id"], reason="test")
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def test_webcrt_creds_ready_bastion_managed(self) -> None:
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self.assertTrue(
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svc._webcrt_creds_ready(
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{
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"username": "ca-oper",
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"password": "",
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"hop_enabled": True,
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"hop_vendor": "bastion",
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"hop_host": "10.34.145.27",
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"hop_username": "ZTE-TSM",
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"hop_password": "x",
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"hop_target_auth_mode": "bastion_managed",
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}
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)
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)
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self.assertFalse(
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svc._webcrt_creds_ready(
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{
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"username": "ca-oper",
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"password": "",
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"hop_enabled": True,
|
|
"hop_vendor": "bastion",
|
|
"hop_host": "10.34.145.27",
|
|
"hop_username": "ZTE-TSM",
|
|
"hop_password": "",
|
|
"hop_target_auth_mode": "bastion_managed",
|
|
}
|
|
)
|
|
)
|
|
self.assertFalse(
|
|
svc._webcrt_creds_ready(
|
|
{
|
|
"username": "u",
|
|
"password": "",
|
|
"protocol": "ssh",
|
|
"hop_enabled": False,
|
|
}
|
|
)
|
|
)
|
|
self.assertTrue(
|
|
svc._webcrt_creds_ready(
|
|
{
|
|
"username": "",
|
|
"password": "",
|
|
"protocol": "telnet",
|
|
"hop_enabled": False,
|
|
}
|
|
)
|
|
)
|
|
|
|
@patch.object(svc, "_audit")
|
|
def test_attach_gen_exclusive_stdout_and_stale_detach(self, _mock_audit: MagicMock) -> None:
|
|
conn = _FakeConn()
|
|
sess = svc.WebcrtSession(
|
|
session_id="race",
|
|
ne_id="ne1",
|
|
ne_name="lab",
|
|
ne_ip="1.2.3.4",
|
|
protocol="ssh",
|
|
cols=80,
|
|
rows=24,
|
|
conn=conn, # type: ignore[arg-type]
|
|
)
|
|
with svc._sessions_lock:
|
|
svc._sessions["race"] = sess
|
|
|
|
sess1, gen1 = svc.mark_attached("race")
|
|
self.assertEqual(gen1, 1)
|
|
sess1.out_queue.put(b"a")
|
|
sess1.out_queue.put(b"b")
|
|
|
|
# Newer StrictMode WS takes ownership before old pump drains.
|
|
_sess2, gen2 = svc.mark_attached("race")
|
|
self.assertEqual(gen2, 2)
|
|
self.assertEqual(sess1.take_stdout(gen1, timeout=0.05), "stale")
|
|
self.assertEqual(sess1.take_stdout(gen2, timeout=0.05), b"a")
|
|
self.assertEqual(sess1.take_stdout(gen2, timeout=0.05), b"b")
|
|
|
|
# Old WS detach must not clear the live attach.
|
|
out = svc.detach_session("race", grace_sec=8.0, attach_gen=gen1)
|
|
self.assertFalse(out.get("detached"))
|
|
self.assertTrue(sess.attached)
|
|
self.assertIsNone(sess.detach_deadline)
|
|
|
|
out2 = svc.detach_session("race", grace_sec=8.0, attach_gen=gen2)
|
|
self.assertTrue(out2.get("detached"))
|
|
self.assertFalse(sess.attached)
|
|
svc.close_session("race", reason="test")
|
|
|
|
@patch.object(svc, "_audit")
|
|
def test_detach_grace_keeps_session_until_deadline(self, _mock_audit: MagicMock) -> None:
|
|
conn = _FakeConn()
|
|
sess = svc.WebcrtSession(
|
|
session_id="grace",
|
|
ne_id="ne1",
|
|
ne_name="lab",
|
|
ne_ip="1.2.3.4",
|
|
protocol="ssh",
|
|
cols=80,
|
|
rows=24,
|
|
conn=conn, # type: ignore[arg-type]
|
|
)
|
|
sess.attached = True
|
|
with svc._sessions_lock:
|
|
svc._sessions["grace"] = sess
|
|
svc.detach_session("grace", grace_sec=120.0, attach_gen=0)
|
|
self.assertIsNotNone(svc.get_session("grace"))
|
|
self.assertFalse(sess.attached)
|
|
self.assertIsNotNone(sess.detach_deadline)
|
|
# Still within grace — reaper must not close.
|
|
with patch.object(svc.settings, "webcrt_attach_timeout_sec", 99999):
|
|
with patch.object(svc.settings, "webcrt_idle_timeout_sec", 99999):
|
|
svc._reap_sessions()
|
|
self.assertIsNotNone(svc.get_session("grace"))
|
|
# Expire grace.
|
|
sess.detach_deadline = time.time() - 1
|
|
with patch.object(svc.settings, "webcrt_attach_timeout_sec", 99999):
|
|
with patch.object(svc.settings, "webcrt_idle_timeout_sec", 99999):
|
|
svc._reap_sessions()
|
|
self.assertIsNone(svc.get_session("grace"))
|
|
|
|
@patch.object(svc, "_audit")
|
|
def test_attach_timeout_reaper(self, _mock_audit: MagicMock) -> None:
|
|
conn = _FakeConn()
|
|
sess = svc.WebcrtSession(
|
|
session_id="stale",
|
|
ne_id="ne1",
|
|
ne_name="lab",
|
|
ne_ip="1.2.3.4",
|
|
protocol="ssh",
|
|
cols=80,
|
|
rows=24,
|
|
conn=conn, # type: ignore[arg-type]
|
|
)
|
|
sess.created_at = time.time() - 120
|
|
with svc._sessions_lock:
|
|
svc._sessions["stale"] = sess
|
|
with patch.object(svc.settings, "webcrt_attach_timeout_sec", 30):
|
|
with patch.object(svc.settings, "webcrt_idle_timeout_sec", 99999):
|
|
svc._reap_sessions()
|
|
self.assertIsNone(svc.get_session("stale"))
|
|
|
|
@patch.object(svc, "_audit")
|
|
def test_attach_timeout_uses_connect_finished_at(self, _mock_audit: MagicMock) -> None:
|
|
"""Slow connect should not burn the attach window from HTTP create time."""
|
|
conn = _FakeConn()
|
|
sess = svc.WebcrtSession(
|
|
session_id="late",
|
|
ne_id="ne1",
|
|
ne_name="lab",
|
|
ne_ip="1.2.3.4",
|
|
protocol="ssh",
|
|
cols=80,
|
|
rows=24,
|
|
conn=conn, # type: ignore[arg-type]
|
|
)
|
|
sess.state = "ready"
|
|
sess.created_at = time.time() - 120
|
|
sess.connect_finished_at = time.time() - 5
|
|
with svc._sessions_lock:
|
|
svc._sessions["late"] = sess
|
|
with patch.object(svc.settings, "webcrt_attach_timeout_sec", 30):
|
|
with patch.object(svc.settings, "webcrt_idle_timeout_sec", 99999):
|
|
svc._reap_sessions()
|
|
self.assertIsNotNone(svc.get_session("late"))
|
|
svc.close_session("late", reason="test")
|
|
|
|
def test_session_log_tail_strips_header(self) -> None:
|
|
sid = "tailtest"
|
|
path = svc._session_log_path(sid)
|
|
path.parent.mkdir(parents=True, exist_ok=True)
|
|
path.write_text("# session=tailtest ne=x ip=1.2.3.4 ts=now\nR2#\nshow ver\n", encoding="utf-8")
|
|
try:
|
|
text = svc.read_session_log_tail(sid, max_bytes=4096)
|
|
self.assertNotIn("# session=", text)
|
|
self.assertIn("R2#", text)
|
|
self.assertIn("show ver", text)
|
|
finally:
|
|
try:
|
|
path.unlink()
|
|
except OSError:
|
|
pass
|
|
|
|
@patch.object(svc, "_audit")
|
|
def test_idle_timeout_reaper(self, _mock_audit: MagicMock) -> None:
|
|
conn = _FakeConn()
|
|
sess = svc.WebcrtSession(
|
|
session_id="idle",
|
|
ne_id="ne1",
|
|
ne_name="lab",
|
|
ne_ip="1.2.3.4",
|
|
protocol="ssh",
|
|
cols=80,
|
|
rows=24,
|
|
conn=conn, # type: ignore[arg-type]
|
|
)
|
|
sess.attached = True
|
|
sess.last_activity = time.time() - 9999
|
|
with svc._sessions_lock:
|
|
svc._sessions["idle"] = sess
|
|
with patch.object(svc.settings, "webcrt_attach_timeout_sec", 99999):
|
|
with patch.object(svc.settings, "webcrt_idle_timeout_sec", 60):
|
|
svc._reap_sessions()
|
|
self.assertIsNone(svc.get_session("idle"))
|
|
|
|
@patch.object(svc, "_audit")
|
|
def test_cli_hop_return_closes_session(self, _mock_audit: MagicMock) -> None:
|
|
"""Vendor CLI hop: nested target exit must tear down WebCRT (no hop shell)."""
|
|
conn = _FakeConn()
|
|
chunks = [
|
|
b"<TARGET>\r\n",
|
|
b"quit\r\nConnection closed by foreign host\r\n\r\n<HOP>\r\n",
|
|
]
|
|
idx = {"i": 0}
|
|
|
|
def recv_ready() -> bool:
|
|
return idx["i"] < len(chunks)
|
|
|
|
def recv(_n: int) -> bytes:
|
|
i = idx["i"]
|
|
idx["i"] = i + 1
|
|
return chunks[i]
|
|
|
|
conn.remote_conn.recv_ready.side_effect = recv_ready
|
|
conn.remote_conn.recv.side_effect = recv
|
|
conn.remote_conn.exit_status_ready.return_value = False
|
|
|
|
sess = svc.WebcrtSession(
|
|
session_id="hop1",
|
|
ne_id="ne1",
|
|
ne_name="lab",
|
|
ne_ip="1.2.3.4",
|
|
protocol="ssh",
|
|
cols=80,
|
|
rows=24,
|
|
conn=conn, # type: ignore[arg-type]
|
|
cli_hop_guard=True,
|
|
cli_hop_prompt="<HOP>",
|
|
)
|
|
with svc._sessions_lock:
|
|
svc._sessions["hop1"] = sess
|
|
sess.start_reader()
|
|
deadline = time.time() + 3.0
|
|
got: list[bytes] = []
|
|
while time.time() < deadline:
|
|
item = sess.take_stdout(0, timeout=0.2)
|
|
if item == "empty":
|
|
if sess.closed:
|
|
break
|
|
continue
|
|
if item is None:
|
|
break
|
|
if isinstance(item, bytes):
|
|
got.append(item)
|
|
self.assertTrue(sess.closed)
|
|
self.assertEqual(sess.close_reason, "cli_hop_return")
|
|
self.assertIsNone(svc.get_session("hop1"))
|
|
blob = b"".join(got).decode("utf-8", errors="replace")
|
|
self.assertIn("Connection closed by foreign host", blob)
|
|
self.assertIn("目标会话已结束", blob)
|
|
|
|
def test_cli_hop_note_ignores_same_sysname_until_close_msg(self) -> None:
|
|
sess = svc.WebcrtSession(
|
|
session_id="hop2",
|
|
ne_id="ne1",
|
|
ne_name="lab",
|
|
ne_ip="1.2.3.4",
|
|
protocol="ssh",
|
|
cols=80,
|
|
rows=24,
|
|
cli_hop_guard=True,
|
|
cli_hop_prompt="<HUAWEI>",
|
|
)
|
|
# Same default sysname on target must not trip prompt-only close.
|
|
self.assertFalse(sess._note_cli_hop_output(b"<HUAWEI>\r\n"))
|
|
self.assertFalse(sess._cli_hop_seen_other_prompt)
|
|
self.assertTrue(
|
|
sess._note_cli_hop_output(b"Connection closed by foreign host\r\n<HUAWEI>\r\n")
|
|
)
|
|
|
|
def test_bounded_queue_drops_oldest(self) -> None:
|
|
q = svc._BoundedByteQueue(maxsize=8)
|
|
for i in range(10):
|
|
q.put(str(i).encode())
|
|
self.assertGreaterEqual(q.dropped, 2)
|
|
first = q.get_nowait()
|
|
self.assertEqual(first, b"2")
|
|
delta = q.take_drop_delta()
|
|
self.assertGreaterEqual(delta, 2)
|
|
self.assertEqual(q.take_drop_delta(), 0)
|
|
# Further drops report only the new delta.
|
|
for i in range(20):
|
|
q.put(str(i).encode())
|
|
self.assertGreater(q.take_drop_delta(), 0)
|
|
self.assertEqual(q.take_drop_delta(), 0)
|
|
|
|
def test_bounded_queue_blocking_get(self) -> None:
|
|
import threading
|
|
|
|
q = svc._BoundedByteQueue(maxsize=8)
|
|
box: dict[str, bytes | None] = {"v": None}
|
|
|
|
def _reader() -> None:
|
|
box["v"] = q.get(timeout=1.0)
|
|
|
|
t = threading.Thread(target=_reader, daemon=True)
|
|
t.start()
|
|
time.sleep(0.05)
|
|
q.put(b"wake")
|
|
t.join(timeout=1.0)
|
|
self.assertEqual(box["v"], b"wake")
|
|
|
|
def test_normalize_encoding(self) -> None:
|
|
self.assertEqual(svc._normalize_encoding("GBK"), "gbk")
|
|
self.assertEqual(svc._normalize_encoding("utf8"), "utf-8")
|
|
self.assertEqual(svc._encode_text("测", "gbk")[:1], b"\xb2")
|
|
|
|
def test_sftp_requires_direct_ssh(self) -> None:
|
|
from netx_api.webcrt_sftp import _require_ssh_direct
|
|
|
|
with self.assertRaises(HTTPException) as telnet_cm:
|
|
_require_ssh_direct({"protocol": "telnet"}, {"protocol": "telnet"})
|
|
self.assertEqual(telnet_cm.exception.status_code, 400)
|
|
self.assertEqual(telnet_cm.exception.detail, "sftp_requires_ssh")
|
|
|
|
with self.assertRaises(HTTPException) as hop_cm:
|
|
_require_ssh_direct({"protocol": "ssh", "hop_enabled": True}, {"protocol": "ssh"})
|
|
self.assertEqual(hop_cm.exception.status_code, 400)
|
|
self.assertEqual(hop_cm.exception.detail, "sftp_hop_not_supported")
|
|
|
|
# Direct SSH is allowed (no raise).
|
|
_require_ssh_direct({"protocol": "ssh", "hop_enabled": False}, {"protocol": "ssh"})
|
|
|
|
@patch.object(svc, "_audit")
|
|
def test_find_ssh_session_for_ne_prefers_attached(self, _mock_audit: MagicMock) -> None:
|
|
conn = _FakeConn()
|
|
sess = svc.WebcrtSession(
|
|
session_id="sftpne",
|
|
ne_id="ne-sftp",
|
|
ne_name="lab",
|
|
ne_ip="1.2.3.4",
|
|
protocol="ssh",
|
|
cols=80,
|
|
rows=24,
|
|
conn=conn, # type: ignore[arg-type]
|
|
)
|
|
sess.state = "ready"
|
|
sess.attached = True
|
|
with svc._sessions_lock:
|
|
svc._sessions["sftpne"] = sess
|
|
found = svc.find_ssh_session_for_ne("ne-sftp")
|
|
self.assertIs(found, sess)
|
|
self.assertIsNone(svc.find_ssh_session_for_ne("other"))
|
|
svc.close_session("sftpne", reason="test")
|
|
|
|
@patch.object(svc, "_audit")
|
|
def test_reattach_clears_detach_deadline(self, _mock_audit: MagicMock) -> None:
|
|
conn = _FakeConn()
|
|
sess = svc.WebcrtSession(
|
|
session_id="rejoin",
|
|
ne_id="ne1",
|
|
ne_name="lab",
|
|
ne_ip="1.2.3.4",
|
|
protocol="ssh",
|
|
cols=80,
|
|
rows=24,
|
|
conn=conn, # type: ignore[arg-type]
|
|
)
|
|
with svc._sessions_lock:
|
|
svc._sessions["rejoin"] = sess
|
|
_, gen1 = svc.mark_attached("rejoin")
|
|
out = svc.detach_session("rejoin", grace_sec=120.0, attach_gen=gen1)
|
|
self.assertTrue(out.get("detached"))
|
|
self.assertIsNotNone(sess.detach_deadline)
|
|
_, gen2 = svc.mark_attached("rejoin")
|
|
self.assertEqual(gen2, gen1 + 1)
|
|
self.assertTrue(sess.attached)
|
|
self.assertIsNone(sess.detach_deadline)
|
|
svc.close_session("rejoin", reason="test")
|
|
|
|
def test_linux_telnet_maps_to_generic_telnet(self) -> None:
|
|
from netx_api.ne_netmiko import normalize_netmiko_device_type
|
|
from netx_api.ne_session_factory import _netmiko_driver_class
|
|
|
|
dt = normalize_netmiko_device_type("linux", "telnet")
|
|
self.assertEqual(dt, "generic_telnet")
|
|
self.assertIsNotNone(_netmiko_driver_class(dt))
|
|
self.assertEqual(normalize_netmiko_device_type("linux", "ssh"), "linux_ssh")
|
|
self.assertEqual(normalize_netmiko_device_type("generic", "ssh"), "generic_termserver_ssh")
|
|
self.assertIsNotNone(_netmiko_driver_class("generic_termserver_ssh"))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|