hermes-agent/tests/tools/test_browser_homebrew_paths.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

235 lines
9.4 KiB
Python

"""Tests for macOS Homebrew PATH discovery in browser_tool.py."""
import json
import os
from pathlib import Path
from unittest.mock import patch, MagicMock, mock_open
import pytest
from tools.browser_tool import (
_discover_homebrew_node_dirs,
_find_agent_browser,
_run_browser_command,
_SANE_PATH,
check_browser_requirements,
)
import tools.browser_tool as _bt
@pytest.fixture(autouse=True)
def _clear_browser_caches():
"""Clear lru_cache and manual caches between tests."""
_discover_homebrew_node_dirs.cache_clear()
_bt._cached_agent_browser = None
_bt._agent_browser_resolved = False
yield
_discover_homebrew_node_dirs.cache_clear()
_bt._cached_agent_browser = None
_bt._agent_browser_resolved = False
class TestSanePath:
"""Verify _SANE_PATH includes fallback directories used by browser_tool."""
def test_includes_termux_bin(self):
assert "/data/data/com.termux/files/usr/bin" in _SANE_PATH.split(os.pathsep)
def test_includes_standard_dirs(self):
path_parts = _SANE_PATH.split(os.pathsep)
assert "/usr/local/bin" in path_parts
assert "/usr/bin" in path_parts
assert "/bin" in path_parts
class TestDiscoverHomebrewNodeDirs:
"""Tests for _discover_homebrew_node_dirs()."""
def test_returns_empty_when_no_homebrew(self):
"""Non-macOS systems without /opt/homebrew/opt should return empty."""
with patch("os.path.isdir", return_value=False):
assert _discover_homebrew_node_dirs() == ()
def test_excludes_plain_node(self):
"""'node' (unversioned) should be excluded — covered by /opt/homebrew/bin."""
with patch("os.path.isdir", return_value=True), \
patch("os.listdir", return_value=["node"]):
result = _discover_homebrew_node_dirs()
assert result == ()
def test_handles_oserror_gracefully(self):
"""Should return empty list if listdir raises OSError."""
with patch("os.path.isdir", return_value=True), \
patch("os.listdir", side_effect=OSError("Permission denied")):
assert _discover_homebrew_node_dirs() == ()
class TestFindAgentBrowser:
"""Tests for _find_agent_browser() Homebrew path search."""
def test_finds_in_current_path(self):
"""Should return result from shutil.which if available on current PATH."""
with patch("shutil.which", return_value="/usr/local/bin/agent-browser"), \
patch("tools.browser_tool.agent_browser_runnable", return_value=True):
assert _find_agent_browser() == "/usr/local/bin/agent-browser"
def test_raises_when_not_found(self):
"""Should raise FileNotFoundError when nothing works."""
original_path_exists = Path.exists
def mock_path_exists(self):
if "node_modules" in str(self) and "agent-browser" in str(self):
return False
return original_path_exists(self)
with patch("shutil.which", return_value=None), \
patch("os.path.isdir", return_value=False), \
patch.object(Path, "exists", mock_path_exists), \
patch(
"tools.browser_tool._discover_homebrew_node_dirs",
return_value=[],
):
with pytest.raises(FileNotFoundError, match="agent-browser CLI not found"):
_find_agent_browser()
class TestBrowserRequirements:
def test_cdp_override_does_not_require_agent_browser_cli(self, monkeypatch):
monkeypatch.setenv("BROWSER_CDP_URL", "ws://127.0.0.1:9222/devtools/browser/test")
monkeypatch.setattr("tools.browser_tool._is_camofox_mode", lambda: False)
monkeypatch.setattr("tools.browser_tool._find_agent_browser", lambda: (_ for _ in ()).throw(FileNotFoundError("not found")))
assert check_browser_requirements() is True
def test_termux_requires_real_agent_browser_install_not_npx_fallback(self, monkeypatch):
monkeypatch.setenv("TERMUX_VERSION", "0.118.3")
monkeypatch.setenv("PREFIX", "/data/data/com.termux/files/usr")
monkeypatch.setattr("tools.browser_tool._is_camofox_mode", lambda: False)
monkeypatch.setattr("tools.browser_tool._get_cloud_provider", lambda: None)
monkeypatch.setattr("tools.browser_tool._find_agent_browser", lambda **_kw: "npx agent-browser")
assert check_browser_requirements() is False
class TestRunBrowserCommandTermuxFallback:
def test_termux_local_mode_rejects_bare_npx_fallback(self, monkeypatch):
monkeypatch.setenv("TERMUX_VERSION", "0.118.3")
monkeypatch.setenv("PREFIX", "/data/data/com.termux/files/usr")
monkeypatch.setattr("tools.browser_tool._find_agent_browser", lambda **_kw: "npx agent-browser")
monkeypatch.setattr("tools.browser_tool._get_cloud_provider", lambda: None)
result = _run_browser_command("task-1", "navigate", ["https://example.com"])
assert result["success"] is False
assert "bare npx fallback" in result["error"]
assert "agent-browser install" in result["error"]
class TestRunBrowserCommandPathConstruction:
"""Verify _run_browser_command() includes Homebrew node dirs in subprocess PATH."""
def test_subprocess_preserves_executable_path_with_spaces(self, tmp_path):
"""A local agent-browser path containing spaces must stay one argv entry."""
captured_cmd = None
mock_proc = MagicMock()
mock_proc.returncode = 0
mock_proc.wait.return_value = 0
def capture_popen(cmd, **kwargs):
nonlocal captured_cmd
captured_cmd = cmd
return mock_proc
fake_session = {
"session_name": "test-session",
"session_id": "test-id",
"cdp_url": None,
}
fake_json = json.dumps({"success": True})
browser_path = "/Users/test/Library/Application Support/hermes/node_modules/.bin/agent-browser"
hermes_home = str(tmp_path / "hermes-home")
with patch("tools.browser_tool._find_agent_browser", return_value=browser_path), \
patch("tools.browser_tool._chromium_installed", return_value=True), \
patch("tools.browser_tool._get_session_info", return_value=fake_session), \
patch("tools.browser_tool._socket_safe_tmpdir", return_value=str(tmp_path)), \
patch("tools.browser_tool._discover_homebrew_node_dirs", return_value=[]), \
patch("hermes_constants.Path.home", return_value=tmp_path), \
patch("subprocess.Popen", side_effect=capture_popen), \
patch("os.open", return_value=99), \
patch("os.close"), \
patch("tools.interrupt.is_interrupted", return_value=False), \
patch.dict(
os.environ,
{
"PATH": "/usr/bin:/bin",
"HOME": "/home/test",
"HERMES_HOME": hermes_home,
},
clear=True,
):
with patch("builtins.open", mock_open(read_data=fake_json)):
_run_browser_command("test-task", "navigate", ["https://example.com"])
assert captured_cmd is not None
assert captured_cmd[0] == browser_path
assert captured_cmd[1:5] == [
"--session",
"test-session",
"--json",
"navigate",
]
def test_subprocess_path_includes_termux_fallback_dirs(self, tmp_path):
"""Termux fallback dirs should survive browser PATH rebuilding."""
captured_env = {}
mock_proc = MagicMock()
mock_proc.returncode = 0
mock_proc.wait.return_value = 0
def capture_popen(cmd, **kwargs):
captured_env.update(kwargs.get("env", {}))
return mock_proc
fake_session = {
"session_name": "test-session",
"session_id": "test-id",
"cdp_url": None,
}
fake_json = json.dumps({"success": True})
real_isdir = os.path.isdir
def selective_isdir(path):
if path in {
"/data/data/com.termux/files/usr/bin",
"/data/data/com.termux/files/usr/sbin",
}:
return True
if path.startswith(str(tmp_path)):
return True
return real_isdir(path)
with patch("tools.browser_tool._find_agent_browser", return_value="/usr/local/bin/agent-browser"), \
patch("tools.browser_tool._chromium_installed", return_value=True), \
patch("tools.browser_tool._get_session_info", return_value=fake_session), \
patch("tools.browser_tool._socket_safe_tmpdir", return_value=str(tmp_path)), \
patch("tools.browser_tool._discover_homebrew_node_dirs", return_value=[]), \
patch("os.path.isdir", side_effect=selective_isdir), \
patch("subprocess.Popen", side_effect=capture_popen), \
patch("os.open", return_value=99), \
patch("os.close"), \
patch("tools.interrupt.is_interrupted", return_value=False), \
patch.dict(os.environ, {"PATH": "/usr/bin:/bin", "HOME": "/home/test"}, clear=True):
with patch("builtins.open", mock_open(read_data=fake_json)):
_run_browser_command("test-task", "navigate", ["https://example.com"])
result_path = captured_env.get("PATH", "")
assert "/data/data/com.termux/files/usr/bin" in result_path
assert "/data/data/com.termux/files/usr/sbin" in result_path