95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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"""Unit tests for mid_section_defect_service — engine integration (task 8.4)."""
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from __future__ import annotations
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import pandas as pd
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from mes_dashboard.services import mid_section_defect_service as msd_svc
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class TestDetectionEngineDecomposition:
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"""8.4 — large date range + high-volume station → engine decomposition."""
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def test_long_range_triggers_engine(self, monkeypatch):
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"""90-day range → engine decomposition for detection query."""
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import mes_dashboard.services.batch_query_engine as engine_mod
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engine_calls = {"execute": 0, "merge": 0}
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def fake_execute_plan(chunks, query_fn, **kwargs):
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engine_calls["execute"] += 1
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assert len(chunks) == 3 # 90 days / 31 = 3 chunks
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assert kwargs.get("cache_prefix") == "msd_detect"
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return kwargs.get("query_hash", "fake_hash")
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result_df = pd.DataFrame({
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"CONTAINERID": ["C1", "C2"],
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"WORKCENTERNAME": ["TEST-WC-A", "TEST-WC-B"],
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})
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def fake_merge_chunks(prefix, qhash, **kwargs):
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engine_calls["merge"] += 1
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return result_df
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monkeypatch.setattr(engine_mod, "execute_plan", fake_execute_plan)
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monkeypatch.setattr(engine_mod, "merge_chunks", fake_merge_chunks)
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monkeypatch.setattr(
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"mes_dashboard.services.mid_section_defect_service.cache_get",
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lambda key: None,
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)
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monkeypatch.setattr(
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"mes_dashboard.services.mid_section_defect_service.cache_set",
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lambda key, val, ttl=None: None,
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)
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monkeypatch.setattr(
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"mes_dashboard.services.mid_section_defect_service.SQLLoader",
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type("FakeLoader", (), {
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"load_with_params": staticmethod(lambda name, **kw: "SELECT 1 FROM dual"),
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}),
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)
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df = msd_svc._fetch_station_detection_data(
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start_date="2025-01-01",
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end_date="2025-03-31",
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station="測試",
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)
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assert engine_calls["execute"] == 1
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assert engine_calls["merge"] == 1
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assert df is not None
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assert len(df) == 2
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def test_short_range_skips_engine(self, monkeypatch):
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"""30-day range → direct path, no engine."""
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engine_calls = {"execute": 0}
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monkeypatch.setattr(
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"mes_dashboard.services.mid_section_defect_service.cache_get",
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lambda key: None,
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)
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monkeypatch.setattr(
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"mes_dashboard.services.mid_section_defect_service.cache_set",
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lambda key, val, ttl=None: None,
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)
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monkeypatch.setattr(
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"mes_dashboard.services.mid_section_defect_service.SQLLoader",
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type("FakeLoader", (), {
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"load_with_params": staticmethod(lambda name, **kw: "SELECT 1 FROM dual"),
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}),
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)
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monkeypatch.setattr(
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"mes_dashboard.services.mid_section_defect_service.read_sql_df",
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lambda sql, params: pd.DataFrame({"CONTAINERID": ["C1"]}),
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)
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df = msd_svc._fetch_station_detection_data(
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start_date="2025-06-01",
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end_date="2025-06-30",
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station="測試",
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)
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assert engine_calls["execute"] == 0 # Engine NOT used
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assert df is not None
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assert len(df) == 1
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