hermes-agent/tests/agent/test_account_usage.py
Teknium 89bd0fba90
feat(codex): redeem banked usage-limit resets via /usage reset (#64280)
OpenAI lets ChatGPT-plan Codex users bank rate-limit reset credits, but
until now they could only be redeemed from the Codex CLI/app or the
website. This wires the same backend API into Hermes:

- /usage on the openai-codex provider now shows "You have N resets
  banked - use /usage reset to activate" (parsed from the
  rate_limit_reset_credits field the /usage endpoint already returns).
- New /usage reset subcommand (CLI + gateway) redeems one banked
  credit via POST .../rate-limit-reset-credits/consume with a UUID
  idempotency key, mirroring codex-rs backend-client semantics
  (PathStyle /wham vs /api/codex, ChatGPT-Account-Id header,
  reset/nothing_to_reset/no_credit/already_redeemed outcomes).
- Guard: redemption is refused while no rate-limit window is fully
  exhausted, since a banked reset restores the FULL 5h + weekly
  allowance and spending it early wastes it. /usage reset --force
  overrides. Zero banked credits and non-codex providers are refused
  with clear messages; nothing_to_reset reports the credit was NOT
  spent.
- i18n: new gateway.usage.unknown_subcommand / reset_wrong_provider
  keys across all 16 locales; docs updated (cli.md, messaging index).

Tested with unit tests plus a real-socket E2E against a local fake
Codex backend exercising redeem/guard/force and the /usage hint.
2026-07-14 03:23:19 -07:00

438 lines
14 KiB
Python

from types import SimpleNamespace
import pytest
from agent import account_usage
class _FakeResponse:
def __init__(self, payload):
self._payload = payload
def raise_for_status(self):
return None
def json(self):
return self._payload
class _FakeClient:
def __init__(self, calls, payload):
self.calls = calls
self.payload = payload
def __enter__(self):
return self
def __exit__(self, *exc):
return False
def get(self, url, headers):
self.calls.append({"url": url, "headers": headers})
return _FakeResponse(self.payload)
@pytest.fixture
def codex_usage_payload():
return {
"plan_type": "plus",
"rate_limit": {
"primary_window": {
"used_percent": 21,
"reset_at": 1779846359,
},
"secondary_window": {
"used_percent": 4,
"reset_at": 1780230796,
},
},
"credits": {"has_credits": False},
}
def test_codex_usage_prefers_explicit_live_agent_credentials(monkeypatch, codex_usage_payload):
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeClient(calls, codex_usage_payload),
)
monkeypatch.setattr(
account_usage,
"resolve_codex_runtime_credentials",
lambda **kwargs: (_ for _ in ()).throw(AssertionError("legacy auth should not be used")),
)
snapshot = account_usage.fetch_account_usage(
"openai-codex",
base_url="https://chatgpt.com/backend-api/codex",
api_key="live-agent-token",
)
assert snapshot is not None
assert snapshot.provider == "openai-codex"
assert snapshot.plan == "Plus"
assert [w.label for w in snapshot.windows] == ["Session", "Weekly"]
assert snapshot.windows[0].used_percent == 21
assert calls[0]["url"] == "https://chatgpt.com/backend-api/wham/usage"
assert calls[0]["headers"]["Authorization"] == "Bearer live-agent-token"
def test_codex_usage_falls_back_to_native_credential_pool(monkeypatch, codex_usage_payload):
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeClient(calls, codex_usage_payload),
)
# Pool fallback fires only on AuthError (the documented "no creds" mode of
# the resolver), NOT on arbitrary exceptions — see the transient-error guard
# test below.
monkeypatch.setattr(
account_usage,
"resolve_codex_runtime_credentials",
lambda **kwargs: (_ for _ in ()).throw(
account_usage.AuthError("no singleton auth", provider="openai-codex", code="codex_auth_missing")
),
)
pool_entry = SimpleNamespace(
runtime_api_key="pooled-token",
runtime_base_url="https://chatgpt.com/backend-api/codex",
)
pool = SimpleNamespace(select=lambda: pool_entry)
import agent.credential_pool as credential_pool
monkeypatch.setattr(credential_pool, "load_pool", lambda provider: pool)
snapshot = account_usage.fetch_account_usage("openai-codex")
assert snapshot is not None
assert snapshot.windows[0].label == "Session"
assert snapshot.windows[1].label == "Weekly"
assert calls[0]["url"] == "https://chatgpt.com/backend-api/wham/usage"
assert calls[0]["headers"]["Authorization"] == "Bearer pooled-token"
# Pool creds have no account_id concept — the ChatGPT-Account-Id header must
# be omitted rather than sent stale/wrong.
assert "ChatGPT-Account-Id" not in calls[0]["headers"]
def test_codex_usage_does_not_swap_to_pool_on_transient_resolver_error(monkeypatch, codex_usage_payload):
"""A transient refresh/network failure (non-AuthError) must NOT silently
downgrade to a possibly-different pool account. It fails open (no snapshot)
instead of reporting the wrong account's usage."""
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeClient(calls, codex_usage_payload),
)
monkeypatch.setattr(
account_usage,
"resolve_codex_runtime_credentials",
lambda **kwargs: (_ for _ in ()).throw(RuntimeError("refresh endpoint 503")),
)
pool_entry = SimpleNamespace(
runtime_api_key="pooled-token-WRONG-ACCOUNT",
runtime_base_url="https://chatgpt.com/backend-api/codex",
)
pool = SimpleNamespace(select=lambda: pool_entry)
import agent.credential_pool as credential_pool
# If the guard regressed, this pool would be consulted and return a snapshot
# for the wrong account. It must NOT be.
monkeypatch.setattr(credential_pool, "load_pool", lambda provider: pool)
snapshot = account_usage.fetch_account_usage("openai-codex")
assert snapshot is None
assert calls == [] # HTTP usage endpoint never hit with a wrong-account token
def test_codex_usage_account_id_read_failure_keeps_singleton_token(monkeypatch, codex_usage_payload):
"""When the resolver succeeds but the separate account_id read raises, the
working singleton token must still be used (best-effort account_id), NOT
abandoned in favor of a header-less pool credential."""
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeClient(calls, codex_usage_payload),
)
monkeypatch.setattr(
account_usage,
"resolve_codex_runtime_credentials",
lambda **kwargs: {
"api_key": "singleton-token",
"base_url": "https://chatgpt.com/backend-api/codex",
},
)
monkeypatch.setattr(
account_usage,
"_read_codex_tokens",
lambda *a, **k: (_ for _ in ()).throw(
account_usage.AuthError("partial store", provider="openai-codex", code="codex_auth_invalid_shape")
),
)
import agent.credential_pool as credential_pool
monkeypatch.setattr(
credential_pool,
"load_pool",
lambda provider: (_ for _ in ()).throw(AssertionError("pool must not be consulted")),
)
snapshot = account_usage.fetch_account_usage("openai-codex")
assert snapshot is not None
assert calls[0]["headers"]["Authorization"] == "Bearer singleton-token"
# account_id read failed → header omitted, but the singleton token is kept.
assert "ChatGPT-Account-Id" not in calls[0]["headers"]
def test_codex_usage_treats_wham_used_percent_as_used_not_remaining(monkeypatch):
"""ChatGPT UI says "left"; /wham/usage.used_percent is already used."""
payload = {
"plan_type": "plus",
"rate_limit": {
"primary_window": {
"used_percent": 85,
"reset_at": 1779846359,
},
"secondary_window": {
"used_percent": 14,
"reset_at": 1780230796,
},
},
"credits": {"has_credits": False},
}
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeClient(calls, payload),
)
monkeypatch.setattr(
account_usage,
"resolve_codex_runtime_credentials",
lambda **kwargs: (_ for _ in ()).throw(AssertionError("explicit auth should be used")),
)
snapshot = account_usage.fetch_account_usage(
"openai-codex",
base_url="https://chatgpt.com/backend-api/codex",
api_key="live-agent-token",
)
assert snapshot is not None
assert [window.used_percent for window in snapshot.windows] == [85, 14]
rendered = "\n".join(account_usage.render_account_usage_lines(snapshot, markdown=True))
assert "85% used" in rendered
assert "14% used" in rendered
assert "15% used" not in rendered
assert "86% used" not in rendered
# ── Banked rate-limit reset credits (`/usage reset`) ─────────────────────────
class _FakeResetClient:
"""GET returns the usage payload; POST returns the consume payload."""
def __init__(self, calls, usage_payload, consume_payload=None):
self.calls = calls
self.usage_payload = usage_payload
self.consume_payload = consume_payload or {}
def __enter__(self):
return self
def __exit__(self, *exc):
return False
def get(self, url, headers):
self.calls.append({"method": "GET", "url": url, "headers": headers})
return _FakeResponse(self.usage_payload)
def post(self, url, headers=None, json=None):
self.calls.append({"method": "POST", "url": url, "headers": headers, "json": json})
return _FakeResponse(self.consume_payload)
def _usage_payload_with_resets(primary_used, secondary_used, banked):
return {
"plan_type": "plus",
"rate_limit": {
"primary_window": {"used_percent": primary_used, "reset_at": 1779846359},
"secondary_window": {"used_percent": secondary_used, "reset_at": 1780230796},
},
"rate_limit_reset_credits": {"available_count": banked},
"credits": {"has_credits": False},
}
def test_usage_snapshot_shows_banked_resets_hint(monkeypatch):
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeResetClient(calls, _usage_payload_with_resets(21, 4, 2)),
)
snapshot = account_usage.fetch_account_usage(
"openai-codex",
base_url="https://chatgpt.com/backend-api/codex",
api_key="live-agent-token",
)
assert snapshot is not None
rendered = "\n".join(account_usage.render_account_usage_lines(snapshot))
assert "You have 2 resets banked - use /usage reset to activate" in rendered
def test_usage_snapshot_hides_reset_hint_when_none_banked(monkeypatch, codex_usage_payload):
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeResetClient(calls, codex_usage_payload),
)
snapshot = account_usage.fetch_account_usage(
"openai-codex",
base_url="https://chatgpt.com/backend-api/codex",
api_key="live-agent-token",
)
assert snapshot is not None
rendered = "\n".join(account_usage.render_account_usage_lines(snapshot))
assert "banked" not in rendered
def test_redeem_blocked_when_limits_not_exhausted(monkeypatch):
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeResetClient(calls, _usage_payload_with_resets(60, 30, 2)),
)
result = account_usage.redeem_codex_reset_credit(
base_url="https://chatgpt.com/backend-api/codex",
api_key="live-agent-token",
)
assert result.status == "not_exhausted"
assert not result.redeemed
assert "--force" in result.message
assert "60% used" in result.message
assert result.available_count == 2
# The consume endpoint must never be hit — the credit is protected.
assert [c["method"] for c in calls] == ["GET"]
def test_redeem_force_bypasses_exhaustion_guard(monkeypatch):
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeResetClient(
calls,
_usage_payload_with_resets(60, 30, 2),
consume_payload={"code": "reset", "windows_reset": 2},
),
)
result = account_usage.redeem_codex_reset_credit(
base_url="https://chatgpt.com/backend-api/codex",
api_key="live-agent-token",
force=True,
)
assert result.redeemed
assert result.windows_reset == 2
assert result.available_count == 1 # 2 banked - 1 spent
assert "1 banked reset remaining" in result.message
post = [c for c in calls if c["method"] == "POST"][0]
assert post["url"] == "https://chatgpt.com/backend-api/wham/rate-limit-reset-credits/consume"
assert post["json"]["redeem_request_id"] # idempotency key present
assert "credit_id" not in post["json"]
def test_redeem_allowed_without_force_when_window_exhausted(monkeypatch):
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeResetClient(
calls,
_usage_payload_with_resets(100, 42, 1),
consume_payload={"code": "reset", "windows_reset": 2},
),
)
result = account_usage.redeem_codex_reset_credit(
base_url="https://chatgpt.com/backend-api/codex",
api_key="live-agent-token",
)
assert result.redeemed
assert result.available_count == 0
assert "0 banked resets remaining" in result.message
def test_redeem_refuses_when_no_credits_banked(monkeypatch):
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeResetClient(calls, _usage_payload_with_resets(100, 100, 0)),
)
result = account_usage.redeem_codex_reset_credit(
base_url="https://chatgpt.com/backend-api/codex",
api_key="live-agent-token",
)
assert result.status == "no_credits_banked"
assert [c["method"] for c in calls] == ["GET"]
def test_redeem_nothing_to_reset_reports_credit_not_spent(monkeypatch):
calls = []
monkeypatch.setattr(
account_usage.httpx,
"Client",
lambda timeout: _FakeResetClient(
calls,
_usage_payload_with_resets(100, 100, 3),
consume_payload={"code": "nothing_to_reset"},
),
)
result = account_usage.redeem_codex_reset_credit(
base_url="https://chatgpt.com/backend-api/codex",
api_key="live-agent-token",
)
assert result.status == "nothing_to_reset"
assert not result.redeemed
assert "NOT spent" in result.message
assert result.available_count == 3
def test_redeem_missing_credentials_reports_unavailable(monkeypatch):
monkeypatch.setattr(
account_usage,
"_resolve_codex_usage_credentials",
lambda base_url, api_key: (_ for _ in ()).throw(RuntimeError("no creds")),
)
result = account_usage.redeem_codex_reset_credit()
assert result.status == "unavailable"
assert "hermes auth" in result.message