Files
herdr-session-switch/tests/test_control.py
T

305 lines
15 KiB
Python

from __future__ import annotations
import argparse
import base64
import curses
import json
import os
import subprocess
import threading
import time
import unittest
from unittest.mock import Mock, patch
from herdr_hub.cli import Endpoint, HubError, ManagedWindow, build_parser, command_control
from herdr_hub.control import (
ControlCancelled,
ControlError,
ControlMenu,
HerdrControl,
parse_snapshot,
)
from herdr_hub.remotes import RemoteEntry, remote_control_command
SESSION_ID = "0198f891-d531-745e-96f4-ef7d9092298b"
def snapshot(kind="codex"):
return {"id": "request", "result": {"snapshot": {
"focused_workspace_id": "w1", "focused_pane_id": "w1:p1",
"panes": [{"pane_id": "w1:p1", "workspace_id": "w1", "tab_id": "t1", "agent": kind,
"cwd": "/tmp/project with spaces", "agent_session": {
"agent": kind, "kind": "id", "value": SESSION_ID}}],
"agents": [{"name": "existing-agent"}],
"workspaces": [{"workspace_id": "w1", "label": "Project"}],
}}}
def completed(payload, code=0):
return subprocess.CompletedProcess([], code, json.dumps(payload).encode(), b"")
class SnapshotTests(unittest.TestCase):
def test_focused_pane_and_exact_native_arguments(self):
for kind, args in (("codex", ["fork", SESSION_ID]),
("claude", ["--resume", SESSION_ID, "--fork-session"])):
with self.subTest(kind=kind):
source = parse_snapshot(snapshot(kind))
self.assertEqual(source.arguments, args)
self.assertEqual(source.workspace_id, "w1")
self.assertEqual(source.workspace_label, "Project")
self.assertEqual(source.existing_names, {"existing-agent"})
def test_invalid_snapshots_fail_before_mutation(self):
for field, value in (("agent", None), ("agent", "gemini"), ("cwd", None),
("workspace_id", "other"), ("agent_session", None),
("agent_session", {"agent": "codex", "kind": "id", "value": "wrong"}),
("agent_session", {"agent": "codex", "kind": "path", "value": "x"})):
payload = snapshot()
payload["result"]["snapshot"]["panes"][0][field] = value
with self.subTest(field=field, value=value), self.assertRaises(ControlError):
parse_snapshot(payload)
for field in ("focused_workspace_id", "focused_pane_id", "panes"):
payload = snapshot()
del payload["result"]["snapshot"][field]
with self.subTest(field=field), self.assertRaises(ControlError):
parse_snapshot(payload)
class ControlTests(unittest.TestCase):
def test_local_explicit_session_and_clean_environment(self):
for session in ("default", "named"):
with self.subTest(session=session), patch.dict(os.environ, {
"HERDR_SOCKET_PATH": "/wrong/socket", "HERDR_SESSION": "wrong",
"HERDR_PANE_ID": "wrong", "HERDR_CLIENT_SOCKET_PATH": "/wrong/client",
}), patch("herdr_hub.control.subprocess.run", return_value=completed(snapshot())) as run:
source = HerdrControl(Endpoint.local(session), "/fake/herdr").source()
self.assertEqual(source.kind, "codex")
self.assertEqual(run.call_args.args[0], ["/fake/herdr", "--session", session, "api", "snapshot"])
self.assertNotIn("HERDR_SOCKET_PATH", run.call_args.kwargs["env"])
self.assertNotIn("HERDR_SESSION", run.call_args.kwargs["env"])
def test_remote_native_and_ssh_route_to_target_named_server(self):
for transport, path in (("native", "/home/user/.herdr/default"),
("ssh", "C:\\Users\\me\\.herdr\\default")):
listing = {"sessions": [{"name": "named", "running": True, "session_dir": path}]}
with self.subTest(transport=transport), patch("herdr_hub.control.subprocess.run", side_effect=[completed(listing), completed(snapshot())]) as run:
control = HerdrControl(Endpoint.remote("ssh://user@host:2222", "named", "server", transport), "/unused", "fake-ssh")
control.source()
command = run.call_args.args[0]
self.assertEqual(command[0], "fake-ssh")
self.assertIn("2222", command)
self.assertIn("host", command)
script = command[-1]
if transport == "ssh":
script = base64.b64decode(script.split()[-1]).decode("utf-16le")
self.assertIn("--session named api snapshot", script)
self.assertIn("HERDR_SOCKET_PATH", script)
def test_windows_missing_path_uses_read_only_fallback_before_mutation(self):
missing = subprocess.CompletedProcess([], 1, b"", b"'herdr' is not recognized")
listing = {"sessions": [{"name": "named", "running": True,
"session_dir": "C:\\Users\\me\\sessions"}]}
with patch("herdr_hub.control.subprocess.run", side_effect=[missing, completed(listing), completed(snapshot())]) as run:
HerdrControl(Endpoint.remote("host", "named", remote_transport="ssh"), "unused").source()
script = base64.b64decode(run.call_args_list[1].args[0][-1].split()[-1]).decode("utf-16le")
self.assertIn("session list --json", script)
self.assertIn(".local", script)
self.assertEqual(len(run.call_args_list), 3)
def test_success_creates_unfocused_tab_starts_then_focuses(self):
for kind, readiness in (("codex", {"interactive_ready": True}),
("claude", {})):
control = HerdrControl(Endpoint.local(), "fake")
control.call = Mock(side_effect=[
{"tab": {"tab_id": "t2"}, "root_pane": {"pane_id": "w1:p2", "workspace_id": "w1", "tab_id": "t2"}},
{"agent": {"pane_id": "w1:p2", "agent": kind, **readiness}},
{},
])
source = parse_snapshot(snapshot(kind))
self.assertEqual(control.fork(source), "t2")
calls = [call.args[0] for call in control.call.call_args_list]
self.assertEqual(calls[0], ["tab", "create", "--workspace", "w1", "--cwd", source.cwd, "--no-focus"])
self.assertEqual(calls[1][3:], ["--kind", kind, "--pane", "w1:p2", "--", *source.arguments])
self.assertRegex(calls[1][2], rf"^{kind}-fork-[a-f0-9]+$")
self.assertEqual(calls[2], ["tab", "focus", "t2"])
def test_failure_never_closes_original_or_created_tab(self):
for failure in (ControlError("agent_not_ready: blocked"), ControlError("timeout"),
{"agent": {"interactive_ready": False}}, {"bad": "response"}):
with self.subTest(failure=failure):
control = HerdrControl(Endpoint.local(), "fake")
control.call = Mock(side_effect=[
{"tab": {"tab_id": "t2"}, "root_pane": {"pane_id": "w1:p2", "workspace_id": "w1", "tab_id": "t2"}}, failure])
with self.assertRaisesRegex(ControlError, "新增 Tab t2 未自动关闭"):
control.fork(parse_snapshot(snapshot()))
self.assertEqual(len(control.call.call_args_list), 2)
self.assertFalse(any("close" in c.args[0] or "focus" in c.args[0] for c in control.call.call_args_list))
def test_wrong_created_pane_never_starts_in_original_tab(self):
for tab_id, pane_id, workspace in (("t1", "w1:p2", "w1"),
("t2", "w1:p1", "w1"),
("t2", "w2:p1", "w2")):
control = HerdrControl(Endpoint.local(), "fake")
control.call = Mock(return_value={"tab": {"tab_id": tab_id},
"root_pane": {"pane_id": pane_id, "tab_id": tab_id, "workspace_id": workspace}})
with self.assertRaises(ControlError):
control.fork(parse_snapshot(snapshot()))
control.call.assert_called_once()
def test_remote_mutation_failure_is_never_replayed(self):
control = HerdrControl(Endpoint.remote("host", "named"), "unused")
control.platform = "posix"
with patch("herdr_hub.control.subprocess.run", return_value=completed({"error": "failed"}, 127)) as run:
with self.assertRaises(ControlError):
control.call(["tab", "create", "--no-focus"])
run.assert_called_once()
def test_ambiguous_create_failure_is_not_replayed_or_cleaned_up(self):
control = HerdrControl(Endpoint.local(), "fake")
control.call = Mock(side_effect=ControlError("timeout"))
with self.assertRaisesRegex(ControlError, "原 Tab 保留"):
control.fork(parse_snapshot(snapshot()))
control.call.assert_called_once()
def test_timeout_and_invalid_json_are_diagnostics(self):
for result in (subprocess.TimeoutExpired(["fake"], 10), subprocess.CompletedProcess([], 0, b"not json", b"")):
with patch("herdr_hub.control.subprocess.run", side_effect=[result]):
with self.assertRaises(ControlError):
HerdrControl(Endpoint.local(), "fake").source()
def test_read_only_request_can_be_cancelled_quickly(self):
control = HerdrControl(Endpoint.local(), "fake")
cancelled = threading.Event()
timer = threading.Timer(0.05, cancelled.set)
timer.start()
started = time.monotonic()
try:
with self.assertRaises(ControlCancelled):
control._execute(["sleep", "5"], 5, cancelled) # type: ignore[attr-defined]
finally:
timer.cancel()
self.assertLess(time.monotonic() - started, 1)
class RemoteCommandTests(unittest.TestCase):
def test_posix_quoting_executes_exact_argv_with_path_fallback(self):
# Shell injection is checked by running only a temporary fake executable.
import tempfile
from pathlib import Path
with tempfile.TemporaryDirectory() as directory:
root = Path(directory)
executable = root / ".local/bin/herdr"
executable.parent.mkdir(parents=True)
executable.write_text("#!/usr/bin/env python3\nimport json,sys\nprint(json.dumps(sys.argv[1:]))\n")
executable.chmod(0o755)
arguments = ["--session", "named", "tab", "create", "--cwd", "a b'\";$HOME`id`$(id)\nnext"]
command = remote_control_command("ssh", RemoteEntry("host"), arguments, platform="posix")
result = subprocess.run(["sh", "-c", command[-1]], env={**os.environ, "HOME": directory}, capture_output=True, text=True, check=True)
self.assertEqual(json.loads(result.stdout), arguments)
def test_windows_encoded_script_keeps_untrusted_text_out_of_shell(self):
value = "C:\\a b\\quote'\"; $(whoami) & %PATH%"
command = remote_control_command("ssh", RemoteEntry("host", remote_transport="ssh"), ["tab", "create", "--cwd", value], platform="windows")
self.assertNotIn(value, command[-1])
script = base64.b64decode(command[-1].split()[-1]).decode("utf-16le")
self.assertIn("UseShellExecute=$false", script)
self.assertIn(subprocess.list2cmdline(["tab", "create", "--cwd", value]).replace("'", "''"), script)
class ImmediateFuture:
def __init__(self, fn, *args):
try:
self.value, self.error = fn(*args), None
except Exception as error:
self.value, self.error = None, error
def done(self):
return True
def result(self):
if self.error:
raise self.error
return self.value
class ImmediateExecutor:
def __init__(self, **kwargs):
pass
def __enter__(self):
return self
def __exit__(self, *args):
pass
def submit(self, fn, *args):
return ImmediateFuture(fn, *args)
class MenuTests(unittest.TestCase):
def setUp(self):
self.control = Mock(endpoint=Endpoint.local())
self.control.source.return_value = parse_snapshot(snapshot())
self.control.fork.return_value = "t2"
self.screen = Mock()
self.screen.getmaxyx.return_value = (24, 90)
def run_menu(self, keys):
self.screen.getch.side_effect = keys
with patch("herdr_hub.control.ThreadPoolExecutor", ImmediateExecutor), patch("curses.set_escdelay"), patch("curses.curs_set"), patch("curses.mousemask"):
return ControlMenu(self.control).run(self.screen)
def test_enter_executes_and_esc_does_not(self):
self.assertEqual(self.run_menu([27]), 0)
self.control.fork.assert_not_called()
self.assertEqual(self.run_menu([10]), 0)
self.control.fork.assert_called_once()
def test_click_executes_action(self):
with patch("curses.getmouse", return_value=(0, 3, 3, 0, curses.BUTTON1_PRESSED)):
self.run_menu([curses.KEY_MOUSE])
self.control.fork.assert_called_once()
def test_error_is_visible_and_enter_cannot_repeat_failed_fork(self):
self.control.fork.side_effect = ControlError("blocked: inspect t2")
self.run_menu([10, 10, 27])
self.control.fork.assert_called_once()
self.assertTrue(any("blocked: inspect t2" in str(call) for call in self.screen.addstr.call_args_list))
def test_snapshot_error_does_not_execute(self):
self.control.source.side_effect = ControlError("没有 Agent")
self.run_menu([10, 27])
self.control.fork.assert_not_called()
class CliControlTests(unittest.TestCase):
def test_active_window_metadata_selects_control_endpoint(self):
args = build_parser().parse_args(["control"])
hub = Mock(ssh_bin="fake-ssh")
endpoint = Endpoint.remote("host", "named", "server", "ssh")
hub.managed_windows.return_value = [
ManagedWindow("@17", endpoint.key, "Remote", False, True, endpoint),
ManagedWindow(
"@18", "local:default", "Other", False, False, Endpoint.local()
),
]
with patch("herdr_hub.cli.make_hub", return_value=hub), patch("herdr_hub.cli.HerdrControl") as controller, patch("herdr_hub.cli.curses.wrapper", return_value=0):
self.assertEqual(command_control(args), 0)
controller.assert_called_once_with(endpoint, "herdr", "fake-ssh")
def test_explicit_window_remains_available_for_cli_use(self):
args = build_parser().parse_args(["control", "--window", "@17"])
hub = Mock(ssh_bin="fake-ssh")
endpoint = Endpoint.local()
hub.managed_windows.return_value = [
ManagedWindow("@17", endpoint.key, "Local", False, False, endpoint)
]
with patch("herdr_hub.cli.make_hub", return_value=hub), patch(
"herdr_hub.cli.HerdrControl"
) as controller, patch("herdr_hub.cli.curses.wrapper", return_value=0):
self.assertEqual(command_control(args), 0)
controller.assert_called_once()
def test_unmanaged_window_rejected(self):
hub = Mock()
hub.managed_windows.return_value = []
with patch("herdr_hub.cli.make_hub", return_value=hub), self.assertRaises(HubError):
command_control(argparse.Namespace(window="@404"))