Files
hermes-agent/tests/agent/test_custom_provider_ca_probes.py

80 lines
2.7 KiB
Python

"""Probe-specific policy edges; real TLS handshakes live in test_ssl_transport_contracts."""
import ssl
from unittest.mock import MagicMock, patch
import pytest
from agent.model_metadata_http import resolve_verify
from hermes_cli.models import _custom_provider_ssl_context
_BASE = "https://relay.example.invalid/v1"
@pytest.fixture
def clean_env(monkeypatch):
for key in ("HERMES_CA_BUNDLE", "REQUESTS_CA_BUNDLE", "SSL_CERT_FILE", "SSL_CERT_DIR", "CURL_CA_BUNDLE"):
monkeypatch.delenv(key, raising=False)
return monkeypatch
@pytest.mark.parametrize("case", ["no-url", "unmatched", "missing-ca", "config-error"])
@pytest.mark.parametrize("ambient", [False, True])
def test_probe_policy_edges(clean_env, case, ambient):
if ambient:
clean_env.setenv("SSL_CERT_FILE", "/does/not/exist.pem")
providers = MagicMock(return_value=[{
"name": "test", "base_url": _BASE if case != "unmatched" else "https://other.invalid",
"ssl_ca_cert": "/missing-provider.pem",
}])
if case == "config-error":
providers.side_effect = RuntimeError("config unavailable")
url = "" if case == "no-url" else _BASE
with patch("hermes_cli.config.get_compatible_custom_providers", providers):
verify = resolve_verify(url)
context = _custom_provider_ssl_context(url)
assert context is (verify if ambient else None)
if ambient:
assert verify.verify_mode == ssl.CERT_REQUIRED and verify.check_hostname
else:
assert verify is True
if not url:
providers.assert_not_called()
def test_public_endpoint_calls_seam_without_ssl_context_kwarg(clean_env):
"""A public endpoint must not pass ssl_context to the call seam.
Regression guard: threading ssl_context unconditionally broke existing
call-seam mocks whose signature is ``(req, timeout=...)``. The probe
must keep the original 2-arg call shape when no per-provider override
applies, so a strict 2-arg mock still works.
"""
import hermes_cli.models as models
class _Resp:
def __enter__(self):
return self
def __exit__(self, exc_type, exc, tb):
return False
def read(self):
return b'{"data": [{"id": "local-model"}]}'
calls = []
def _strict_two_arg(req, timeout=5.0):
calls.append(req.full_url)
return _Resp()
with patch(
"hermes_cli.config.get_compatible_custom_providers",
return_value=[],
), patch.object(
models, "_urlopen_model_catalog_request", side_effect=_strict_two_arg
):
probe = models.probe_api_models("key", "http://localhost:8000", timeout=1)
assert probe["models"] == ["local-model"]
assert calls == ["http://localhost:8000/models"]