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nousresearch--hermes-agent/tests/hermes_cli/test_dashboard_web_dist_validation.py
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chore: import upstream snapshot with attribution
2026-07-13 11:56:03 +08:00

137 lines
4.1 KiB
Python

"""Regression tests: `hermes dashboard` validates HERMES_WEB_DIST before serving.
A custom HERMES_WEB_DIST without --skip-build previously skipped BOTH the
build and any validation, so the server started and served 404s with no
obvious cause (same failure mode as issue #23817, reached via the env-var
path instead of --skip-build). The env-var branch must now fail fast when
the dist has no index.html, and proceed when it does.
Design credit: PR #17845 (@Caelier).
"""
import sys
import types
import pytest
@pytest.fixture()
def main_mod():
import hermes_cli.main as main
return main
def _args(**over):
base = {
"host": "127.0.0.1",
"port": 0,
"no_open": True,
"open_profile": None,
"skip_build": False,
"headless_backend": False,
"tui": False,
}
base.update(over)
return types.SimpleNamespace(**base)
def _wire_common(main_mod, monkeypatch):
monkeypatch.setattr(
"hermes_cli.profiles.get_active_profile_name", lambda: "default"
)
monkeypatch.setattr(main_mod, "_sync_bundled_skills_quietly", lambda: None)
monkeypatch.setitem(sys.modules, "fastapi", types.SimpleNamespace())
monkeypatch.setitem(sys.modules, "uvicorn", types.SimpleNamespace())
monkeypatch.setitem(
sys.modules,
"hermes_logging",
types.SimpleNamespace(setup_logging=lambda **_k: None),
)
monkeypatch.setitem(
sys.modules,
"hermes_cli.plugins",
types.SimpleNamespace(discover_plugins=lambda: None),
)
monkeypatch.setattr(
"hermes_cli.mcp_startup.start_background_mcp_discovery",
lambda **_k: None,
)
def test_env_dist_without_index_exits(main_mod, monkeypatch, tmp_path, capsys):
"""HERMES_WEB_DIST pointing at a dist with no index.html must exit 1,
not start a server that 404s."""
_wire_common(main_mod, monkeypatch)
empty_dist = tmp_path / "empty_dist"
empty_dist.mkdir()
monkeypatch.setenv("HERMES_WEB_DIST", str(empty_dist))
started = []
monkeypatch.setitem(
sys.modules,
"hermes_cli.web_server",
types.SimpleNamespace(start_server=lambda **k: started.append(k)),
)
builds = []
monkeypatch.setattr(
main_mod, "_build_web_ui", lambda *a, **k: builds.append(a) or True
)
with pytest.raises(SystemExit) as exc:
main_mod.cmd_dashboard(_args())
assert exc.value.code == 1
assert started == []
assert builds == [] # env var set -> build skipped, validation is the gate
out = capsys.readouterr().out
assert "HERMES_WEB_DIST" in out and str(empty_dist) in out
def test_env_dist_with_index_starts_server(main_mod, monkeypatch, tmp_path):
"""A valid HERMES_WEB_DIST (has index.html) proceeds to start_server
without building."""
_wire_common(main_mod, monkeypatch)
dist = tmp_path / "dist"
dist.mkdir()
(dist / "index.html").write_text("<html></html>", encoding="utf-8")
monkeypatch.setenv("HERMES_WEB_DIST", str(dist))
started = []
monkeypatch.setitem(
sys.modules,
"hermes_cli.web_server",
types.SimpleNamespace(start_server=lambda **k: started.append(k)),
)
builds = []
monkeypatch.setattr(
main_mod, "_build_web_ui", lambda *a, **k: builds.append(a) or True
)
main_mod.cmd_dashboard(_args())
assert len(started) == 1
assert builds == []
def test_env_dist_tilde_expanded_for_web_server(main_mod, monkeypatch, tmp_path):
"""A '~/...' HERMES_WEB_DIST must be written back expanded so
web_server's raw os.environ read serves the validated path."""
_wire_common(main_mod, monkeypatch)
home = tmp_path / "home"
dist = home / "mydist"
dist.mkdir(parents=True)
(dist / "index.html").write_text("<html></html>", encoding="utf-8")
monkeypatch.setenv("HOME", str(home))
monkeypatch.setenv("HERMES_WEB_DIST", "~/mydist")
monkeypatch.setitem(
sys.modules,
"hermes_cli.web_server",
types.SimpleNamespace(start_server=lambda **k: None),
)
main_mod.cmd_dashboard(_args())
import os
assert os.environ["HERMES_WEB_DIST"] == str(dist)