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import json
import time
import base64
from pathlib import Path
import pytest
import yaml
from hermes_cli.auth import (
AuthError,
DEFAULT_CODEX_BASE_URL,
PROVIDER_REGISTRY,
_read_codex_tokens,
_save_codex_tokens,
_write_codex_cli_tokens,
_import_codex_cli_tokens,
get_codex_auth_status,
get_provider_auth_state,
resolve_codex_runtime_credentials,
resolve_provider,
)
def _setup_hermes_auth(hermes_home: Path, *, access_token: str = "access", refresh_token: str = "refresh"):
"""Write Codex tokens into the Hermes auth store."""
hermes_home.mkdir(parents=True, exist_ok=True)
auth_store = {
"version": 1,
"active_provider": "openai-codex",
"providers": {
"openai-codex": {
"tokens": {
"access_token": access_token,
"refresh_token": refresh_token,
},
"last_refresh": "2026-02-26T00:00:00Z",
"auth_mode": "chatgpt",
},
},
}
auth_file = hermes_home / "auth.json"
auth_file.write_text(json.dumps(auth_store, indent=2))
return auth_file
def _jwt_with_exp(exp_epoch: int) -> str:
payload = {"exp": exp_epoch}
encoded = base64.urlsafe_b64encode(json.dumps(payload).encode("utf-8")).rstrip(b"=").decode("utf-8")
return f"h.{encoded}.s"
def test_read_codex_tokens_success(tmp_path, monkeypatch):
hermes_home = tmp_path / "hermes"
_setup_hermes_auth(hermes_home)
monkeypatch.setenv("HERMES_HOME", str(hermes_home))
data = _read_codex_tokens()
assert data["tokens"]["access_token"] == "access"
assert data["tokens"]["refresh_token"] == "refresh"
def test_read_codex_tokens_missing(tmp_path, monkeypatch):
hermes_home = tmp_path / "hermes"
hermes_home.mkdir(parents=True, exist_ok=True)
# Empty auth store
(hermes_home / "auth.json").write_text(json.dumps({"version": 1, "providers": {}}))
monkeypatch.setenv("HERMES_HOME", str(hermes_home))
with pytest.raises(AuthError) as exc:
_read_codex_tokens()
assert exc.value.code == "codex_auth_missing"
def test_resolve_codex_runtime_credentials_missing_access_token(tmp_path, monkeypatch):
hermes_home = tmp_path / "hermes"
_setup_hermes_auth(hermes_home, access_token="")
monkeypatch.setenv("HERMES_HOME", str(hermes_home))
with pytest.raises(AuthError) as exc:
resolve_codex_runtime_credentials()
assert exc.value.code == "codex_auth_missing_access_token"
assert exc.value.relogin_required is True
def test_resolve_codex_runtime_credentials_refreshes_expiring_token(tmp_path, monkeypatch):
hermes_home = tmp_path / "hermes"
expiring_token = _jwt_with_exp(int(time.time()) - 10)
_setup_hermes_auth(hermes_home, access_token=expiring_token, refresh_token="refresh-old")
monkeypatch.setenv("HERMES_HOME", str(hermes_home))
called = {"count": 0}
def _fake_refresh(tokens, timeout_seconds):
called["count"] += 1
return {"access_token": "access-new", "refresh_token": "refresh-new"}
monkeypatch.setattr("hermes_cli.auth._refresh_codex_auth_tokens", _fake_refresh)
resolved = resolve_codex_runtime_credentials()
assert called["count"] == 1
assert resolved["api_key"] == "access-new"
def test_resolve_codex_runtime_credentials_force_refresh(tmp_path, monkeypatch):
hermes_home = tmp_path / "hermes"
_setup_hermes_auth(hermes_home, access_token="access-current", refresh_token="refresh-old")
monkeypatch.setenv("HERMES_HOME", str(hermes_home))
called = {"count": 0}
def _fake_refresh(tokens, timeout_seconds):
called["count"] += 1
return {"access_token": "access-forced", "refresh_token": "refresh-new"}
monkeypatch.setattr("hermes_cli.auth._refresh_codex_auth_tokens", _fake_refresh)
resolved = resolve_codex_runtime_credentials(force_refresh=True, refresh_if_expiring=False)
assert called["count"] == 1
assert resolved["api_key"] == "access-forced"
def test_resolve_provider_explicit_codex_does_not_fallback(monkeypatch):
monkeypatch.delenv("OPENAI_API_KEY", raising=False)
monkeypatch.delenv("OPENROUTER_API_KEY", raising=False)
assert resolve_provider("openai-codex") == "openai-codex"
def test_save_codex_tokens_roundtrip(tmp_path, monkeypatch):
hermes_home = tmp_path / "hermes"
hermes_home.mkdir(parents=True, exist_ok=True)
(hermes_home / "auth.json").write_text(json.dumps({"version": 1, "providers": {}}))
monkeypatch.setenv("HERMES_HOME", str(hermes_home))
_save_codex_tokens({"access_token": "at123", "refresh_token": "rt456"})
data = _read_codex_tokens()
assert data["tokens"]["access_token"] == "at123"
assert data["tokens"]["refresh_token"] == "rt456"
def test_import_codex_cli_tokens(tmp_path, monkeypatch):
codex_home = tmp_path / "codex-cli"
codex_home.mkdir(parents=True, exist_ok=True)
(codex_home / "auth.json").write_text(json.dumps({
"tokens": {"access_token": "cli-at", "refresh_token": "cli-rt"},
}))
monkeypatch.setenv("CODEX_HOME", str(codex_home))
tokens = _import_codex_cli_tokens()
assert tokens is not None
assert tokens["access_token"] == "cli-at"
assert tokens["refresh_token"] == "cli-rt"
def test_import_codex_cli_tokens_missing(tmp_path, monkeypatch):
monkeypatch.setenv("CODEX_HOME", str(tmp_path / "nonexistent"))
assert _import_codex_cli_tokens() is None
def test_codex_tokens_not_written_to_shared_file(tmp_path, monkeypatch):
"""Verify _save_codex_tokens writes only to Hermes auth store, not ~/.codex/."""
hermes_home = tmp_path / "hermes"
codex_home = tmp_path / "codex-cli"
hermes_home.mkdir(parents=True, exist_ok=True)
codex_home.mkdir(parents=True, exist_ok=True)
(hermes_home / "auth.json").write_text(json.dumps({"version": 1, "providers": {}}))
monkeypatch.setenv("HERMES_HOME", str(hermes_home))
monkeypatch.setenv("CODEX_HOME", str(codex_home))
_save_codex_tokens({"access_token": "hermes-at", "refresh_token": "hermes-rt"})
# ~/.codex/auth.json should NOT exist — _save_codex_tokens only touches Hermes store
assert not (codex_home / "auth.json").exists()
# Hermes auth store should have the tokens
data = _read_codex_tokens()
assert data["tokens"]["access_token"] == "hermes-at"
def test_write_codex_cli_tokens_creates_file(tmp_path, monkeypatch):
"""_write_codex_cli_tokens creates ~/.codex/auth.json with refreshed tokens."""
codex_home = tmp_path / "codex-cli"
monkeypatch.setenv("CODEX_HOME", str(codex_home))
_write_codex_cli_tokens("new-access", "new-refresh", last_refresh="2026-04-12T00:00:00Z")
auth_path = codex_home / "auth.json"
assert auth_path.exists()
data = json.loads(auth_path.read_text())
assert data["tokens"]["access_token"] == "new-access"
assert data["tokens"]["refresh_token"] == "new-refresh"
assert data["last_refresh"] == "2026-04-12T00:00:00Z"
# Verify file permissions are restricted
assert (auth_path.stat().st_mode & 0o777) == 0o600
def test_write_codex_cli_tokens_preserves_existing(tmp_path, monkeypatch):
"""_write_codex_cli_tokens preserves extra fields in existing auth.json."""
codex_home = tmp_path / "codex-cli"
codex_home.mkdir(parents=True, exist_ok=True)
monkeypatch.setenv("CODEX_HOME", str(codex_home))
existing = {
"tokens": {
"access_token": "old-access",
"refresh_token": "old-refresh",
"extra_field": "preserved",
},
"last_refresh": "2026-01-01T00:00:00Z",
"custom_key": "keep_me",
}
(codex_home / "auth.json").write_text(json.dumps(existing))
_write_codex_cli_tokens("updated-access", "updated-refresh")
data = json.loads((codex_home / "auth.json").read_text())
assert data["tokens"]["access_token"] == "updated-access"
assert data["tokens"]["refresh_token"] == "updated-refresh"
assert data["tokens"]["extra_field"] == "preserved"
assert data["custom_key"] == "keep_me"
# last_refresh not updated since we didn't pass it
assert data["last_refresh"] == "2026-01-01T00:00:00Z"
def test_write_codex_cli_tokens_handles_missing_dir(tmp_path, monkeypatch):
"""_write_codex_cli_tokens creates parent directories if missing."""
codex_home = tmp_path / "does" / "not" / "exist"
monkeypatch.setenv("CODEX_HOME", str(codex_home))
_write_codex_cli_tokens("at", "rt")
assert (codex_home / "auth.json").exists()
data = json.loads((codex_home / "auth.json").read_text())
assert data["tokens"]["access_token"] == "at"
def test_refresh_codex_auth_tokens_writes_back_to_cli(tmp_path, monkeypatch):
"""After refreshing, _refresh_codex_auth_tokens writes back to ~/.codex/auth.json."""
from hermes_cli.auth import _refresh_codex_auth_tokens
hermes_home = tmp_path / "hermes"
codex_home = tmp_path / "codex-cli"
hermes_home.mkdir(parents=True, exist_ok=True)
codex_home.mkdir(parents=True, exist_ok=True)
(hermes_home / "auth.json").write_text(json.dumps({"version": 1, "providers": {}}))
monkeypatch.setenv("HERMES_HOME", str(hermes_home))
monkeypatch.setenv("CODEX_HOME", str(codex_home))
# Write initial CLI tokens
(codex_home / "auth.json").write_text(json.dumps({
"tokens": {"access_token": "old-at", "refresh_token": "old-rt"},
}))
# Mock the pure refresh to return new tokens
monkeypatch.setattr("hermes_cli.auth.refresh_codex_oauth_pure", lambda *a, **kw: {
"access_token": "refreshed-at",
"refresh_token": "refreshed-rt",
"last_refresh": "2026-04-12T01:00:00Z",
})
_refresh_codex_auth_tokens(
{"access_token": "old-at", "refresh_token": "old-rt"},
timeout_seconds=10,
)
# Verify CLI file was updated
cli_data = json.loads((codex_home / "auth.json").read_text())
assert cli_data["tokens"]["access_token"] == "refreshed-at"
assert cli_data["tokens"]["refresh_token"] == "refreshed-rt"
def test_resolve_returns_hermes_auth_store_source(tmp_path, monkeypatch):
hermes_home = tmp_path / "hermes"
_setup_hermes_auth(hermes_home)
monkeypatch.setenv("HERMES_HOME", str(hermes_home))
creds = resolve_codex_runtime_credentials()
assert creds["source"] == "hermes-auth-store"
assert creds["provider"] == "openai-codex"
assert creds["base_url"] == DEFAULT_CODEX_BASE_URL
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