hermes-agent/tests/hermes_cli/test_tui_mouse_residue_suppression.py
Teknium 39975613b1
test: prune wave 2 + speed fixes — 28,106 → 19,757 test functions, suite wall 315s → 294s
Second, deeper pass over tools/gateway/hermes_cli plus first pass over
the trees wave 1 missed (acp, acp_adapter, skills, computer_use, docker,
dashboard, conformance, monitoring, secret_sources, hermes_state,
providers). Same rubric as wave 1 (AGENTS.md test policy); security,
alternation/caching invariants, issue-number regressions, and E2E kept.

Real test-quality fixes found and rooted out along the way:
- tests/tools/test_command_guards.py made real auxiliary-LLM HTTPS calls
  (DEFAULT_CONFIG smart-approval leaked in) — pinned approval
  mode=manual via autouse fixture: 17.4s → 0.4s.
- test_model_switch_custom_providers.py / test_user_providers_model_switch.py
  silently probed live provider catalogs (~2s/test) — stubbed
  cached_provider_model_ids/provider_model_ids/fetch_api_models.
- test_telegram_noise_filter.py: 15-platform copy-paste matrix over
  shared gateway.run logic → 3 representative platforms (55s → 3.9s).
- test_gateway_shutdown.py: stop()'s 5s interrupt-deadline loop spun on
  MagicMock agents — interrupt.side_effect now clears _running_agents
  (22s → 1.0s).
- test_gateway_inactivity_timeout.py poll-harness timings shrunk 3-5x
  (24s → 1.1s); test_mcp_stability.py backoff/SIGTERM-grace sleeps
  patched (15.4s → 2.5s); test_async_delegation.py negative-drain wait
  5s → 0.5s.
- test_telegram_init_deadline.py: loop-block margin restored to 1.0s
  with rationale comment — the watchdog-dump assertion needs the loop
  blocked well past deadline+grace under parallel load (flaked once in
  the 40-worker verification run at a 0.2s margin).

Verification: full hermetic suite via scripts/run_tests.sh —
2,438 files, 21,718 tests passed, 0 failed, 293.9s wall.
Suite totals vs original baseline: 46,820 → 19,757 test functions
(−57.8%), wall 583.5s → 293.9s (−50%), subprocess CPU 13,564s → 11,623s.
2026-07-29 13:39:40 -07:00

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"""Tests for the TUI-hot-path mouse-residue suppression.
The Python launcher (`hermes --tui …`) has a ~100300ms cold-start window
where stdin is still in cooked + echo mode. If a previous Hermes session
left DEC mouse-tracking asserted, any mouse motion during that window
echoes literal ``^[[<…M`` text into the user's scrollback.
`_suppress_mouse_residue_early()` writes the disable sequence to stdout
before the heavy imports so the terminal stops emitting events ASAP.
"""
from __future__ import annotations
import sys
from unittest.mock import patch
# Importing the module triggers `_suppress_mouse_residue_early()` at module
# scope. Under the test runner argv (`pytest …`) it's a no-op, but we import
# at file scope so individual tests don't race the import side-effect with
# their `patch("os.write")` context.
from hermes_cli.main import _suppress_mouse_residue_early
EXPECTED = (
b"\x1b[?1003l\x1b[?1002l\x1b[?1001l\x1b[?1000l\x1b[?9l"
b"\x1b[?1006l\x1b[?1005l\x1b[?1015l\x1b[?1016l\x1b[?2029l"
)
class TestEarlyMouseDisable:
def test_respects_diagnostic_escape_hatch(self, monkeypatch):
monkeypatch.setattr(sys, "argv", ["hermes", "--tui"])
monkeypatch.delenv("HERMES_TUI", raising=False)
monkeypatch.setenv("HERMES_TUI_NO_EARLY_DISABLE", "1")
with patch("os.write") as mock_write:
_suppress_mouse_residue_early()
mock_write.assert_not_called()
def test_oserror_is_swallowed(self, monkeypatch):
monkeypatch.setattr(sys, "argv", ["hermes", "--tui"])
monkeypatch.delenv("HERMES_TUI", raising=False)
monkeypatch.delenv("HERMES_TUI_NO_EARLY_DISABLE", raising=False)
def boom(*_a, **_k):
raise OSError("stdout closed")
with patch("os.isatty", return_value=True), patch("os.write", side_effect=boom):
# Must not propagate — startup hot path can never break.
_suppress_mouse_residue_early()