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04721fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | """Unit tests for engine.usage_store — usage telemetry written to the
billingsmoore/stui-usage HuggingFace dataset (private). All huggingface_hub
calls are mocked; no test in this file talks to the network.
"""
import json
from unittest.mock import MagicMock, patch
import pytest
from engine import usage_store
@pytest.fixture(autouse=True)
def no_token(monkeypatch):
monkeypatch.delenv("HF_TOKEN", raising=False)
@pytest.fixture
def with_token(monkeypatch):
monkeypatch.setenv("HF_TOKEN", "fake-token")
class TestNoToken:
def test_log_event_returns_false_without_network_call(self):
with patch("huggingface_hub.HfApi") as mock_api:
assert usage_store.log_event("upload", "session-1", {"foo": "bar"}) is False
mock_api.assert_not_called()
class TestLogEvent:
def test_no_session_id_returns_false_without_network_call(self, with_token):
with patch("huggingface_hub.HfApi") as mock_api:
assert usage_store.log_event("upload", "", {"foo": "bar"}) is False
mock_api.assert_not_called()
def test_writes_single_commit_with_expected_fields(self, with_token):
mock_api_instance = MagicMock()
with patch("huggingface_hub.HfApi", return_value=mock_api_instance):
ok = usage_store.log_event("translate", "session-1", {"backend": "local_cpu", "segment_count": 2})
assert ok is True
mock_api_instance.create_repo.assert_called_once_with(
repo_id=usage_store.DATASET_REPO_ID, repo_type="dataset", private=True, exist_ok=True,
)
mock_api_instance.create_commit.assert_called_once()
_, kwargs = mock_api_instance.create_commit.call_args
assert kwargs["repo_id"] == usage_store.DATASET_REPO_ID
assert kwargs["repo_type"] == "dataset"
operations = kwargs["operations"]
assert len(operations) == 1
op = operations[0]
assert op.path_in_repo.startswith("events/session-1/")
assert op.path_in_repo.endswith(".json")
payload = json.loads(op.path_or_fileobj.decode("utf-8"))
assert payload["event"] == "translate"
assert payload["session_id"] == "session-1"
assert payload["backend"] == "local_cpu"
assert payload["segment_count"] == 2
assert "timestamp" in payload
def test_network_error_fails_open(self, with_token):
mock_api_instance = MagicMock()
mock_api_instance.create_commit.side_effect = Exception("network error")
with patch("huggingface_hub.HfApi", return_value=mock_api_instance):
assert usage_store.log_event("edit", "session-1", {}) is False
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