Files
DashBoard/tests/test_hold_dataset_cache.py

98 lines
3.3 KiB
Python

# -*- coding: utf-8 -*-
"""Unit tests for hold_dataset_cache — engine integration (task 6.4)."""
from __future__ import annotations
import pandas as pd
from mes_dashboard.services import hold_dataset_cache as cache_svc
class TestHoldEngineDecomposition:
"""6.4 — hold-history with long date range triggers engine."""
def test_long_range_triggers_engine(self, monkeypatch):
"""90-day range → engine decomposition activated."""
import mes_dashboard.services.batch_query_engine as engine_mod
engine_calls = {"execute": 0, "merge": 0}
def fake_execute_plan(chunks, query_fn, **kwargs):
engine_calls["execute"] += 1
assert len(chunks) == 3 # 90 days / 31 = 3 chunks
return kwargs.get("query_hash", "fake_hash")
result_df = pd.DataFrame({
"CONTAINERID": ["C1"],
"HOLDTYPE": ["Quality"],
})
def fake_merge_chunks(prefix, qhash, **kwargs):
engine_calls["merge"] += 1
return result_df
monkeypatch.setattr(engine_mod, "execute_plan", fake_execute_plan)
monkeypatch.setattr(engine_mod, "merge_chunks", fake_merge_chunks)
monkeypatch.setattr(
"mes_dashboard.services.hold_dataset_cache._get_cached_df",
lambda _: None,
)
monkeypatch.setattr(
"mes_dashboard.services.hold_dataset_cache._store_df",
lambda *a, **kw: None,
)
monkeypatch.setattr(
"mes_dashboard.services.hold_dataset_cache._load_sql",
lambda name: "SELECT 1 FROM dual",
)
monkeypatch.setattr(
"mes_dashboard.services.hold_dataset_cache._derive_all_views",
lambda df, **kw: {
"summary": {"total": 1},
"detail": {"items": [], "pagination": {"total": 1}},
},
)
result = cache_svc.execute_primary_query(
start_date="2025-01-01",
end_date="2025-03-31",
)
assert engine_calls["execute"] == 1
assert engine_calls["merge"] == 1
def test_short_range_skips_engine(self, monkeypatch):
"""30-day range → direct path, no engine."""
engine_calls = {"execute": 0}
monkeypatch.setattr(
"mes_dashboard.services.hold_dataset_cache._get_cached_df",
lambda _: None,
)
monkeypatch.setattr(
"mes_dashboard.services.hold_dataset_cache._load_sql",
lambda name: "SELECT 1 FROM dual",
)
monkeypatch.setattr(
"mes_dashboard.services.hold_dataset_cache.read_sql_df",
lambda sql, params: pd.DataFrame({"CONTAINERID": ["C1"]}),
)
monkeypatch.setattr(
"mes_dashboard.services.hold_dataset_cache._store_df",
lambda *a, **kw: None,
)
monkeypatch.setattr(
"mes_dashboard.services.hold_dataset_cache._derive_all_views",
lambda df, **kw: {
"summary": {"total": 1},
"detail": {"items": [], "pagination": {"total": 1}},
},
)
result = cache_svc.execute_primary_query(
start_date="2025-06-01",
end_date="2025-06-30",
)
assert engine_calls["execute"] == 0 # Engine NOT used