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aiturk-hermes-ide/tests/hermes_cli/test_catalog_json.py
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Python

"""The pulled catalog: packaged JSON is the offline truth, a GitHub fetch
swaps entries in memory only, and min_engine gates day-0 models.
Nothing here touches disk beyond the packaged file — the design constraint
is that a git checkout must never see a dirty tracked catalog.json."""
from __future__ import annotations
import dataclasses
import io
import json
import urllib.request
import pytest
import hermes_cli.local_runtime.catalog as cat
@pytest.fixture(autouse=True)
def _reset_refresh_state(monkeypatch):
"""Each test starts outside the TTL window with the packaged catalog."""
monkeypatch.setattr(cat, "_last_refresh_attempt", 0.0)
packaged = cat._packaged_catalog()
monkeypatch.setattr(cat, "CATALOG", packaged)
yield
def _doc_from(entries):
"""A fetchable catalog document built by mutating the packaged JSON."""
from importlib.resources import files
doc = json.loads(files("hermes_cli.local_runtime")
.joinpath("catalog.json").read_text(encoding="utf-8"))
doc["models"] = entries(doc["models"])
return doc
def _fetch_returns(monkeypatch, doc):
body = json.dumps(doc).encode()
class R(io.BytesIO):
def __enter__(self):
return self
def __exit__(self, *a):
return False
monkeypatch.setattr(urllib.request, "urlopen",
lambda *a, **k: R(body))
def test_packaged_json_round_trips_the_catalog():
"""The packaged JSON must produce a complete, selection-ready catalog:
every entry carries estimator inputs and at least one variant, and the
known invariants (best-first ordering, Q4 floor) hold — the same
contract the literals obeyed."""
assert len(cat.CATALOG) >= 4
for e in cat.CATALOG:
assert e.variants and e.n_ctx_train > 0 and e.per_layer_f16 >= 0
sizes = [v.size_bytes for v in e.variants]
assert sizes == sorted(sizes, reverse=True), f"{e.id} not best-first"
def test_refresh_swaps_in_memory_only(monkeypatch, tmp_path):
"""A fetched catalog replaces CATALOG in memory; the packaged file on
disk is untouched (checkout stays clean)."""
from importlib.resources import files
packaged_path = files("hermes_cli.local_runtime").joinpath("catalog.json")
before = packaged_path.read_text(encoding="utf-8")
def add_day0(models):
day0 = dict(models[0])
day0.update(id="day0-model", display_name="Day 0",
description="new", min_engine="b99999")
return models + [day0]
_fetch_returns(monkeypatch, _doc_from(add_day0))
assert cat.refresh_catalog(force=True) is True
assert "day0-model" in {e.id for e in cat.CATALOG}
assert cat.catalog_by_id()["day0-model"].min_engine == "b99999"
assert packaged_path.read_text(encoding="utf-8") == before
def test_refresh_failure_keeps_current_catalog(monkeypatch):
def boom(*a, **k):
raise OSError("offline")
monkeypatch.setattr(urllib.request, "urlopen", boom)
ids_before = [e.id for e in cat.CATALOG]
assert cat.refresh_catalog(force=True) is False
assert [e.id for e in cat.CATALOG] == ids_before
def test_refresh_rejects_wrong_schema(monkeypatch):
doc = _doc_from(lambda m: m)
doc["schema_version"] = 2
_fetch_returns(monkeypatch, doc)
ids_before = [e.id for e in cat.CATALOG]
assert cat.refresh_catalog(force=True) is False
assert [e.id for e in cat.CATALOG] == ids_before
def test_loader_ignores_unknown_fields():
doc = _doc_from(lambda m: m)
doc["models"][0]["future_field"] = {"anything": True}
entries = cat._load_catalog(doc)
assert entries[0].id == doc["models"][0]["id"]
def test_min_engine_gate(monkeypatch):
from hermes_cli.web_routers.local_models import _engine_too_old
monkeypatch.setattr("hermes_cli.local_runtime.binaries.installed_tags",
lambda: ["b10362"])
assert _engine_too_old("") is False, "no requirement, no gate"
assert _engine_too_old("b10000") is False, "installed engine suffices"
assert _engine_too_old("b10363") is True, "newer requirement gates"