578 lines
21 KiB
Python
578 lines
21 KiB
Python
import importlib.util
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import sys
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import types
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from datetime import datetime, timedelta, timezone
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from pathlib import Path
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import pytest
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def _load_burst_location_module():
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module_path = (
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Path(__file__).resolve().parents[2] / "app" / "services" / "burst_location.py"
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)
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def ensure_package(name: str) -> types.ModuleType:
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module = sys.modules.get(name)
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if module is None:
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module = types.ModuleType(name)
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module.__path__ = []
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sys.modules[name] = module
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return module
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for package_name in [
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"app",
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"app.algorithms",
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"app.infra",
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"app.infra.db",
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"app.infra.db.timescaledb",
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"app.services",
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]:
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ensure_package(package_name)
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time_api_module = types.ModuleType("app.services.time_api")
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time_api_module.parse_utc_time = (
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lambda value, field_name="datetime": (
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value.astimezone(timezone.utc)
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if isinstance(value, datetime) and value.tzinfo is not None
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else datetime.fromisoformat(value).astimezone(timezone.utc)
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)
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)
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time_api_module.extract_date = (
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lambda value, field_name="date": (
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value.date()
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if isinstance(value, datetime)
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else datetime.fromisoformat(value).date()
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)
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)
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time_api_module.utc_now = lambda: datetime.now(timezone.utc)
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sys.modules["app.services.time_api"] = time_api_module
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algorithms_module = types.ModuleType("app.algorithms.burst_location")
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algorithms_module.run_burst_location = lambda **kwargs: {}
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sys.modules["app.algorithms.burst_location"] = algorithms_module
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internal_queries_module = types.ModuleType(
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"app.infra.db.timescaledb.internal_queries"
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)
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class DummyInternalQueries:
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@staticmethod
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def query_scada_by_ids_timerange(**kwargs):
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return {}
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@staticmethod
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def query_scheme_simulation_by_ids_timerange(**kwargs):
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return {}
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@staticmethod
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def query_realtime_simulation_by_ids_timerange(**kwargs):
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return {}
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internal_queries_module.InternalQueries = DummyInternalQueries
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sys.modules["app.infra.db.timescaledb.internal_queries"] = internal_queries_module
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scheme_management_module = types.ModuleType("app.services.scheme_management")
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scheme_management_module.query_burst_location_scheme_detail = lambda *args, **kwargs: {}
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scheme_management_module.query_burst_location_schemes = lambda *args, **kwargs: []
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scheme_management_module.scheme_name_exists = lambda *args, **kwargs: False
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scheme_management_module.store_scheme_info = lambda *args, **kwargs: None
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sys.modules["app.services.scheme_management"] = scheme_management_module
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tjnetwork_module = types.ModuleType("app.services.tjnetwork")
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tjnetwork_module.dump_inp = lambda *args, **kwargs: None
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tjnetwork_module.get_all_scada_info = lambda *args, **kwargs: []
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sys.modules["app.services.tjnetwork"] = tjnetwork_module
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module_name = "tests_burst_location_under_test"
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spec = importlib.util.spec_from_file_location(module_name, module_path)
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module = importlib.util.module_from_spec(spec)
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assert spec and spec.loader
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spec.loader.exec_module(module)
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return module
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def test_run_burst_location_uses_single_timerange_with_burst_source_split(monkeypatch, tmp_path):
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module = _load_burst_location_module()
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captured = {}
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scheme_calls = []
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realtime_calls = []
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monkeypatch.setattr(
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module,
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"get_all_scada_info",
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lambda network: [
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{
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"type": "pressure",
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"associated_element_id": "J1",
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"api_query_id": "pressure-query",
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},
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{
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"type": "pipe_flow",
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"associated_element_id": "P1",
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"api_query_id": "pipe-flow-query",
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},
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{
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"type": "demand",
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"associated_element_id": "J2",
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"api_query_id": "demand-query",
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},
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],
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)
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monkeypatch.setattr(module, "_prepare_burst_inp", lambda network: str(tmp_path / "fake.inp"))
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def fake_run_burst_location(**kwargs):
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captured.update(kwargs)
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return {
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"located_pipe": "Pipe-001",
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"simulation_times": 3,
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"similarity_mode": "combined",
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}
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monkeypatch.setattr(module, "run_burst_location", fake_run_burst_location)
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def _build_series(start_time: str, values: list[float]) -> list[dict]:
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base_time = datetime.fromisoformat(start_time)
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return [
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{
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"time": (base_time + timedelta(minutes=15 * index)).isoformat(),
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"value": value,
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}
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for index, value in enumerate(values)
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]
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def fake_scheme_query(**kwargs):
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scheme_calls.append(kwargs)
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start_hour = datetime.fromisoformat(kwargs["start_time"]).astimezone(
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timezone(timedelta(hours=8))
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).hour
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if kwargs["element_type"] == "node" and kwargs["field"] == "pressure":
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values = [12.0, 14.0, 16.0, 18.0] if start_hour == 8 else [8.0, 10.0, 12.0, 14.0]
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return {"J1": _build_series(kwargs["start_time"], values)}
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if kwargs["element_type"] == "link" and kwargs["field"] == "flow":
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values = [5.0, 7.0, 9.0, 11.0] if start_hour == 8 else [2.0, 4.0, 6.0, 8.0]
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return {"P1": _build_series(kwargs["start_time"], values)}
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if kwargs["element_type"] == "node" and kwargs["field"] == "actual_demand":
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values = [3.0, 5.0, 7.0, 9.0] if start_hour == 8 else [1.0, 3.0, 5.0, 7.0]
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return {"J2": _build_series(kwargs["start_time"], values)}
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raise AssertionError(f"Unexpected scheme query: {kwargs}")
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def fake_realtime_query(**kwargs):
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realtime_calls.append(kwargs)
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if kwargs["element_type"] == "node" and kwargs["field"] == "pressure":
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return {"J1": _build_series(kwargs["start_time"], [8.0, 10.0, 12.0, 14.0])}
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if kwargs["element_type"] == "link" and kwargs["field"] == "flow":
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return {"P1": _build_series(kwargs["start_time"], [2.0, 4.0, 6.0, 8.0])}
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if kwargs["element_type"] == "node" and kwargs["field"] == "actual_demand":
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return {"J2": _build_series(kwargs["start_time"], [1.0, 3.0, 5.0, 7.0])}
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raise AssertionError(f"Unexpected realtime query: {kwargs}")
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monkeypatch.setattr(
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module.InternalQueries,
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"query_scheme_simulation_by_ids_timerange",
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staticmethod(fake_scheme_query),
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)
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monkeypatch.setattr(
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module.InternalQueries,
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"query_realtime_simulation_by_ids_timerange",
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staticmethod(fake_realtime_query),
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)
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result = module.run_burst_location_by_network(
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network="tjwater",
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username="testuser",
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data_source="simulation",
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simulation_scheme_name="BurstSchemeA",
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simulation_scheme_type="burst_analysis",
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burst_leakage=10.0,
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scada_burst_start=datetime(2025, 1, 1, 8, 0, 0, tzinfo=timezone(timedelta(hours=8))),
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scada_burst_end=datetime(2025, 1, 1, 9, 0, 0, tzinfo=timezone(timedelta(hours=8))),
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use_scada_flow=True,
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)
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assert result["observed_source"] == "simulation_scheme_timerange"
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assert result["simulation_scheme"] == {
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"name": "BurstSchemeA",
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"type": "burst_analysis",
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}
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assert result["pressure_samples"] == {"burst": 4, "normal": 4}
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assert result["flow_samples"] == {"burst": 4, "normal": 4}
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assert list(captured["burst_pressure"].index) == ["J1"]
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assert captured["burst_pressure"]["J1"] == pytest.approx(15.0)
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assert captured["normal_pressure"]["J1"] == pytest.approx(15.0)
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assert captured["burst_flow"]["J2"] == pytest.approx(6.0)
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assert captured["burst_flow"]["P1"] == pytest.approx(8.0)
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assert captured["normal_flow"]["J2"] == pytest.approx(6.0)
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assert captured["normal_flow"]["P1"] == pytest.approx(8.0)
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assert all(call["scheme_name"] == "BurstSchemeA" for call in scheme_calls)
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assert len(scheme_calls) == 6
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assert any(call["element_type"] == "node" and call["field"] == "pressure" for call in scheme_calls)
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assert any(call["element_type"] == "link" and call["field"] == "flow" for call in scheme_calls)
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assert any(call["element_type"] == "node" and call["field"] == "actual_demand" for call in scheme_calls)
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assert realtime_calls == []
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assert result["scada_window"] == {
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"burst_start": "2025-01-01T00:00:00+00:00",
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"burst_end": "2025-01-01T01:00:00+00:00",
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}
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def test_run_burst_location_requires_simulation_scheme_name(monkeypatch, tmp_path):
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module = _load_burst_location_module()
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monkeypatch.setattr(
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module,
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"get_all_scada_info",
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lambda network: [
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{
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"type": "pressure",
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"associated_element_id": "J1",
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"api_query_id": "pressure-query",
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}
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],
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)
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monkeypatch.setattr(module, "_prepare_burst_inp", lambda network: str(tmp_path / "fake.inp"))
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monkeypatch.setattr(module, "run_burst_location", lambda **kwargs: {})
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with pytest.raises(ValueError, match="simulation_scheme_name"):
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module.run_burst_location_by_network(
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network="tjwater",
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username="testuser",
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data_source="simulation",
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burst_leakage=1.0,
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scada_burst_start=datetime(2025, 1, 1, 8, 0, 0, tzinfo=timezone(timedelta(hours=8))),
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scada_burst_end=datetime(2025, 1, 1, 9, 0, 0, tzinfo=timezone(timedelta(hours=8))),
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)
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def test_build_observed_series_from_simulation_normalizes_result_ids(monkeypatch):
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module = _load_burst_location_module()
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query_calls = []
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monkeypatch.setattr(
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module,
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"get_all_scada_info",
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lambda network: [
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{
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"type": "pressure",
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"associated_element_id": " 100026 ",
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"api_query_id": " pressure-query ",
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}
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],
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)
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def fake_scheme_query(**kwargs):
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query_calls.append(kwargs)
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return {
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100026: [
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{"time": kwargs["start_time"], "value": 10.0},
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{"time": kwargs["end_time"], "value": 14.0},
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]
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}
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monkeypatch.setattr(
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module.InternalQueries,
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"query_scheme_simulation_by_ids_timerange",
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staticmethod(fake_scheme_query),
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)
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series, sample_count = module._build_observed_series_from_simulation(
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network="tjwater",
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sensor_ids=["100026"],
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start_dt=datetime(2025, 1, 1, 0, 0, 0, tzinfo=timezone.utc),
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end_dt=datetime(2025, 1, 1, 1, 0, 0, tzinfo=timezone.utc),
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data_type="pressure",
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series_name="burst_pressure",
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simulation_source="scheme",
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simulation_scheme_name="BurstSchemeA",
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simulation_scheme_type="burst_analysis",
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)
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assert query_calls[0]["element_ids"] == ["100026"]
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assert sample_count == 2
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assert series["100026"] == pytest.approx(12.0)
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def test_build_observed_series_from_scada_uses_chinese_error_label(monkeypatch):
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module = _load_burst_location_module()
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monkeypatch.setattr(
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module,
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"get_all_scada_info",
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lambda network: [
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{
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"type": "pressure",
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"associated_element_id": "100026",
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"api_query_id": "pressure-query",
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}
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],
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)
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monkeypatch.setattr(
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module.InternalQueries,
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"query_scada_by_ids_timerange",
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staticmethod(lambda **kwargs: {"pressure-query": []}),
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)
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with pytest.raises(ValueError) as exc_info:
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module._build_observed_series_from_scada(
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network="tjwater",
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sensor_ids=["100026"],
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start_dt=datetime(2025, 1, 1, 0, 0, 0, tzinfo=timezone.utc),
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end_dt=datetime(2025, 1, 1, 1, 0, 0, tzinfo=timezone.utc),
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data_type="pressure",
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series_name="burst_pressure",
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)
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message = str(exc_info.value)
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assert "爆管压力数据 在时间窗内无有效数据: 100026" in message
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assert "burst_pressure" not in message
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def test_build_observed_series_from_scada_skips_missing_sensor_values(monkeypatch):
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module = _load_burst_location_module()
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monkeypatch.setattr(
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module,
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"get_all_scada_info",
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lambda network: [
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{"type": "pressure", "associated_element_id": "J1", "api_query_id": "q1"},
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{"type": "pressure", "associated_element_id": "J2", "api_query_id": "q2"},
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{"type": "pressure", "associated_element_id": "J3", "api_query_id": "q3"},
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],
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)
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monkeypatch.setattr(
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module.InternalQueries,
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"query_scada_by_ids_timerange",
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staticmethod(
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lambda **kwargs: {
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"q1": [
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{"time": kwargs["start_time"], "value": 10.0},
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{"time": kwargs["end_time"], "value": 12.0},
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],
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"q2": [],
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"q3": [
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{"time": kwargs["start_time"], "value": None},
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{"time": kwargs["end_time"], "value": 18.0},
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],
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}
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),
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)
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series, sample_count = module._build_observed_series_from_scada(
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network="tjwater",
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sensor_ids=["J1", "J2", "J3"],
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start_dt=datetime(2025, 1, 1, 0, 0, 0, tzinfo=timezone.utc),
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end_dt=datetime(2025, 1, 1, 1, 0, 0, tzinfo=timezone.utc),
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data_type="pressure",
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series_name="burst_pressure",
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)
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assert list(series.index) == ["J1", "J3"]
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assert series["J1"] == pytest.approx(11.0)
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assert series["J3"] == pytest.approx(18.0)
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assert sample_count == 1
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def test_run_burst_location_monitoring_uses_scada_for_burst_and_normal(
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monkeypatch, tmp_path
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):
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module = _load_burst_location_module()
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captured = {}
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scada_calls = []
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realtime_calls = []
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monkeypatch.setattr(
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module,
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"get_all_scada_info",
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lambda network: [
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{
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"type": "pressure",
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"associated_element_id": "J1",
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"api_query_id": "pressure-query",
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}
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],
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)
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monkeypatch.setattr(module, "_prepare_burst_inp", lambda network: str(tmp_path / "fake.inp"))
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monkeypatch.setattr(
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module,
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"run_burst_location",
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lambda **kwargs: captured.update(kwargs) or {"located_pipe": "Pipe-001"},
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)
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def fake_scada_query(**kwargs):
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scada_calls.append(kwargs)
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start_hour = datetime.fromisoformat(kwargs["start_time"]).astimezone(
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timezone(timedelta(hours=8))
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).hour
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values = [20.0, 22.0] if start_hour == 8 else [10.0, 12.0]
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return {
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"pressure-query": [
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{"time": kwargs["start_time"], "value": values[0]},
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{"time": kwargs["end_time"], "value": values[1]},
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]
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}
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def fake_realtime_query(**kwargs):
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realtime_calls.append(kwargs)
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return {
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"J1": [
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{"time": kwargs["start_time"], "value": 10.0},
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{"time": kwargs["end_time"], "value": 12.0},
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]
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}
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monkeypatch.setattr(
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module.InternalQueries,
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"query_scada_by_ids_timerange",
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staticmethod(fake_scada_query),
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)
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monkeypatch.setattr(
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module.InternalQueries,
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"query_realtime_simulation_by_ids_timerange",
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staticmethod(fake_realtime_query),
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)
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result = module.run_burst_location_by_network(
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network="tjwater",
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username="testuser",
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data_source="monitoring",
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burst_leakage=1.0,
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scada_burst_start=datetime(2025, 1, 1, 8, 0, 0, tzinfo=timezone(timedelta(hours=8))),
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scada_burst_end=datetime(2025, 1, 1, 9, 0, 0, tzinfo=timezone(timedelta(hours=8))),
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scada_normal_start=datetime(2025, 1, 1, 7, 0, 0, tzinfo=timezone(timedelta(hours=8))),
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scada_normal_end=datetime(2025, 1, 1, 8, 0, 0, tzinfo=timezone(timedelta(hours=8))),
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)
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assert result["observed_source"] == "scada_burst_scada_normal_timerange"
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assert len(scada_calls) == 2
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assert len(realtime_calls) == 0
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assert captured["burst_pressure"]["J1"] == pytest.approx(21.0)
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assert captured["normal_pressure"]["J1"] == pytest.approx(11.0)
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assert result["scada_window"] == {
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"burst_start": "2025-01-01T00:00:00+00:00",
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"burst_end": "2025-01-01T01:00:00+00:00",
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"normal_start": "2024-12-31T23:00:00+00:00",
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"normal_end": "2025-01-01T00:00:00+00:00",
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}
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def test_run_burst_location_monitoring_reuses_burst_window_for_normal(
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monkeypatch, tmp_path
|
|
):
|
|
module = _load_burst_location_module()
|
|
captured = {}
|
|
scada_calls = []
|
|
|
|
monkeypatch.setattr(
|
|
module,
|
|
"get_all_scada_info",
|
|
lambda network: [
|
|
{
|
|
"type": "pressure",
|
|
"associated_element_id": "J1",
|
|
"api_query_id": "pressure-query",
|
|
}
|
|
],
|
|
)
|
|
monkeypatch.setattr(module, "_prepare_burst_inp", lambda network: str(tmp_path / "fake.inp"))
|
|
monkeypatch.setattr(
|
|
module,
|
|
"run_burst_location",
|
|
lambda **kwargs: captured.update(kwargs) or {"located_pipe": "Pipe-001"},
|
|
)
|
|
monkeypatch.setattr(
|
|
module.InternalQueries,
|
|
"query_scada_by_ids_timerange",
|
|
staticmethod(
|
|
lambda **kwargs: scada_calls.append(kwargs)
|
|
or {
|
|
"pressure-query": [
|
|
{"time": kwargs["start_time"], "value": 20.0},
|
|
{"time": kwargs["end_time"], "value": 22.0},
|
|
]
|
|
}
|
|
),
|
|
)
|
|
monkeypatch.setattr(
|
|
module.InternalQueries,
|
|
"query_realtime_simulation_by_ids_timerange",
|
|
staticmethod(lambda **kwargs: pytest.fail("monitoring mode must not query realtime simulation")),
|
|
)
|
|
|
|
result = module.run_burst_location_by_network(
|
|
network="tjwater",
|
|
username="testuser",
|
|
data_source="monitoring",
|
|
burst_leakage=1.0,
|
|
scada_burst_start=datetime(2025, 1, 1, 8, 0, 0, tzinfo=timezone(timedelta(hours=8))),
|
|
scada_burst_end=datetime(2025, 1, 1, 9, 0, 0, tzinfo=timezone(timedelta(hours=8))),
|
|
)
|
|
|
|
assert result["observed_source"] == "scada_timerange"
|
|
assert len(scada_calls) == 2
|
|
assert scada_calls[0]["start_time"] == scada_calls[1]["start_time"]
|
|
assert scada_calls[0]["end_time"] == scada_calls[1]["end_time"]
|
|
assert captured["burst_pressure"]["J1"] == pytest.approx(21.0)
|
|
assert captured["normal_pressure"]["J1"] == pytest.approx(21.0)
|
|
|
|
|
|
def test_run_burst_location_monitoring_aligns_partial_scada_data(
|
|
monkeypatch, tmp_path
|
|
):
|
|
module = _load_burst_location_module()
|
|
captured = {}
|
|
|
|
monkeypatch.setattr(
|
|
module,
|
|
"get_all_scada_info",
|
|
lambda network: [
|
|
{"type": "pressure", "associated_element_id": "J1", "api_query_id": "q1"},
|
|
{"type": "pressure", "associated_element_id": "J2", "api_query_id": "q2"},
|
|
{"type": "pressure", "associated_element_id": "J3", "api_query_id": "q3"},
|
|
],
|
|
)
|
|
monkeypatch.setattr(module, "_prepare_burst_inp", lambda network: str(tmp_path / "fake.inp"))
|
|
monkeypatch.setattr(
|
|
module,
|
|
"run_burst_location",
|
|
lambda **kwargs: captured.update(kwargs) or {"located_pipe": "Pipe-001"},
|
|
)
|
|
|
|
def fake_scada_query(**kwargs):
|
|
start_hour = datetime.fromisoformat(kwargs["start_time"]).astimezone(
|
|
timezone(timedelta(hours=8))
|
|
).hour
|
|
if start_hour == 8:
|
|
return {
|
|
"q1": [{"time": kwargs["start_time"], "value": 20.0}],
|
|
"q2": [{"time": kwargs["start_time"], "value": 30.0}],
|
|
"q3": [],
|
|
}
|
|
return {
|
|
"q1": [{"time": kwargs["start_time"], "value": 10.0}],
|
|
"q2": [],
|
|
"q3": [{"time": kwargs["start_time"], "value": 12.0}],
|
|
}
|
|
|
|
monkeypatch.setattr(
|
|
module.InternalQueries,
|
|
"query_scada_by_ids_timerange",
|
|
staticmethod(fake_scada_query),
|
|
)
|
|
|
|
result = module.run_burst_location_by_network(
|
|
network="tjwater",
|
|
username="testuser",
|
|
data_source="monitoring",
|
|
burst_leakage=1.0,
|
|
scada_burst_start=datetime(2025, 1, 1, 8, 0, 0, tzinfo=timezone(timedelta(hours=8))),
|
|
scada_burst_end=datetime(2025, 1, 1, 9, 0, 0, tzinfo=timezone(timedelta(hours=8))),
|
|
scada_normal_start=datetime(2025, 1, 1, 7, 0, 0, tzinfo=timezone(timedelta(hours=8))),
|
|
scada_normal_end=datetime(2025, 1, 1, 8, 0, 0, tzinfo=timezone(timedelta(hours=8))),
|
|
)
|
|
|
|
assert result["pressure_scada_ids"] == ["J1"]
|
|
assert captured["pressure_scada_ids"] == ["J1"]
|
|
assert list(captured["burst_pressure"].index) == ["J1"]
|
|
assert list(captured["normal_pressure"].index) == ["J1"]
|
|
assert captured["burst_pressure"]["J1"] == pytest.approx(20.0)
|
|
assert captured["normal_pressure"]["J1"] == pytest.approx(10.0)
|