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chore: import upstream snapshot with attribution
2026-07-13 11:56:03 +08:00

91 lines
3.5 KiB
Python

"""Tests for _resolve_requests_verify() env var precedence.
Verifies that custom provider `/models` fetches honour the three supported
CA bundle env vars (HERMES_CA_BUNDLE, REQUESTS_CA_BUNDLE, SSL_CERT_FILE)
in the documented priority order, and that non-existent paths are
skipped gracefully rather than breaking the request.
No filesystem or network I/O required — we use tmp_path to create real
CA bundle stand-in files and monkeypatch env vars.
"""
import os
import sys
from pathlib import Path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
import pytest
from agent.model_metadata import _resolve_requests_verify
_CA_ENV_VARS = ("HERMES_CA_BUNDLE", "REQUESTS_CA_BUNDLE", "SSL_CERT_FILE")
@pytest.fixture
def clean_env(monkeypatch):
"""Clear all three SSL env vars so each test starts from a known state."""
for var in _CA_ENV_VARS:
monkeypatch.delenv(var, raising=False)
return monkeypatch
@pytest.fixture
def bundle_file(tmp_path: Path) -> str:
"""Create a placeholder CA bundle file and return its absolute path."""
path = tmp_path / "ca.pem"
path.write_text("-----BEGIN CERTIFICATE-----\nstub\n-----END CERTIFICATE-----\n")
return str(path)
class TestResolveRequestsVerify:
def test_no_env_returns_true(self, clean_env):
assert _resolve_requests_verify() is True
def test_hermes_ca_bundle_returns_path(self, clean_env, bundle_file):
clean_env.setenv("HERMES_CA_BUNDLE", bundle_file)
assert _resolve_requests_verify() == bundle_file
def test_requests_ca_bundle_returns_path(self, clean_env, bundle_file):
clean_env.setenv("REQUESTS_CA_BUNDLE", bundle_file)
assert _resolve_requests_verify() == bundle_file
def test_ssl_cert_file_returns_path(self, clean_env, bundle_file):
clean_env.setenv("SSL_CERT_FILE", bundle_file)
assert _resolve_requests_verify() == bundle_file
def test_priority_hermes_over_requests(self, clean_env, tmp_path, bundle_file):
other = tmp_path / "other.pem"
other.write_text("stub")
clean_env.setenv("HERMES_CA_BUNDLE", bundle_file)
clean_env.setenv("REQUESTS_CA_BUNDLE", str(other))
assert _resolve_requests_verify() == bundle_file
def test_priority_requests_over_ssl_cert_file(self, clean_env, tmp_path, bundle_file):
other = tmp_path / "other.pem"
other.write_text("stub")
clean_env.setenv("REQUESTS_CA_BUNDLE", bundle_file)
clean_env.setenv("SSL_CERT_FILE", str(other))
assert _resolve_requests_verify() == bundle_file
def test_nonexistent_path_falls_through(self, clean_env, tmp_path, bundle_file):
missing = tmp_path / "does_not_exist.pem"
clean_env.setenv("HERMES_CA_BUNDLE", str(missing))
clean_env.setenv("REQUESTS_CA_BUNDLE", bundle_file)
assert _resolve_requests_verify() == bundle_file
def test_all_nonexistent_returns_true(self, clean_env, tmp_path):
missing1 = tmp_path / "a.pem"
missing2 = tmp_path / "b.pem"
missing3 = tmp_path / "c.pem"
clean_env.setenv("HERMES_CA_BUNDLE", str(missing1))
clean_env.setenv("REQUESTS_CA_BUNDLE", str(missing2))
clean_env.setenv("SSL_CERT_FILE", str(missing3))
assert _resolve_requests_verify() is True
def test_empty_string_env_var_ignored(self, clean_env, bundle_file):
clean_env.setenv("HERMES_CA_BUNDLE", "")
clean_env.setenv("REQUESTS_CA_BUNDLE", bundle_file)
assert _resolve_requests_verify() == bundle_file