Files
TJWaterServerBinary/tests/unit/test_scheme_simulation_timestep.py
T

155 lines
4.7 KiB
Python

import json
from datetime import timedelta
import pytest
from app.infra.db.timescaledb.repositories.scheme import SchemeRepository
from app.services.time_api import parse_utc_time
def _node_result(periods: int) -> list[dict]:
return [
{
"node": "J1",
"result": [
{"demand": index, "head": index, "pressure": index, "quality": index}
for index in range(periods)
],
}
]
def _link_result(periods: int) -> list[dict]:
return [
{
"link": "P1",
"result": [
{
"flow": index,
"friction": index,
"headloss": index,
"quality": index,
"reaction": index,
"setting": index,
"status": index,
"velocity": index,
}
for index in range(periods)
],
}
]
def test_store_scheme_simulation_uses_15_minute_report_step(monkeypatch):
inserted: dict[str, list[dict]] = {}
monkeypatch.setattr(
SchemeRepository,
"insert_nodes_batch_sync",
staticmethod(lambda conn, data: inserted.setdefault("nodes", data)),
)
monkeypatch.setattr(
SchemeRepository,
"insert_links_batch_sync",
staticmethod(lambda conn, data: inserted.setdefault("links", data)),
)
SchemeRepository.store_scheme_simulation_result_sync(
conn=object(),
scheme_type="burst_analysis",
scheme_name="five_hour_case",
node_result_list=_node_result(21),
link_result_list=_link_result(21),
result_start_time="2026-07-16T00:00:00Z",
num_periods=21,
result_timestep_seconds=900,
)
start_time = parse_utc_time("2026-07-16T00:00:00Z")
assert len(inserted["nodes"]) == 21
assert inserted["nodes"][0]["time"] == start_time
assert inserted["nodes"][-1]["time"] == start_time + timedelta(hours=5)
assert inserted["links"][-1]["time"] == start_time + timedelta(hours=5)
def test_store_scheme_simulation_uses_hourly_report_step(monkeypatch):
inserted: dict[str, list[dict]] = {}
monkeypatch.setattr(
SchemeRepository,
"insert_nodes_batch_sync",
staticmethod(lambda conn, data: inserted.setdefault("nodes", data)),
)
monkeypatch.setattr(
SchemeRepository,
"insert_links_batch_sync",
staticmethod(lambda conn, data: inserted.setdefault("links", data)),
)
SchemeRepository.store_scheme_simulation_result_sync(
conn=object(),
scheme_type="burst_analysis",
scheme_name="hourly_case",
node_result_list=_node_result(6),
link_result_list=_link_result(6),
result_start_time="2026-07-16T00:00:00Z",
num_periods=6,
result_timestep_seconds=3600,
)
start_time = parse_utc_time("2026-07-16T00:00:00Z")
assert [item["time"] for item in inserted["nodes"]] == [
start_time + timedelta(hours=index) for index in range(6)
]
def test_run_simulation_passes_report_step_for_extended_scheme(monkeypatch):
import app.services.simulation as simulation
time_updates: list[dict] = []
storage_calls: list[tuple] = []
monkeypatch.setattr(simulation, "open_project", lambda name: None)
monkeypatch.setattr(
simulation,
"get_time",
lambda name: {
"HYDRAULIC TIMESTEP": "00:15:00",
"REPORT TIMESTEP": "1:00",
"DURATION": "0:00",
"PATTERN START": "0:00",
},
)
monkeypatch.setattr(
simulation,
"set_time",
lambda name, changeset: time_updates.append(changeset.operations[0]),
)
monkeypatch.setattr(simulation, "run_project", lambda name: json.dumps({
"simulation_result": "successful",
"output": {
"times": {"num_periods": 21, "report_step": 900},
"node_results": _node_result(21),
"link_results": _link_result(21),
},
}))
monkeypatch.setattr(
simulation.TimescaleInternalStorage,
"store_scheme_simulation",
staticmethod(lambda *args, **kwargs: storage_calls.append((args, kwargs))),
)
simulation.run_simulation(
name="fengyang",
simulation_type="extended",
modify_pattern_start_time="2026-07-16T00:00:00+08:00",
modify_total_duration=18000,
scheme_type="burst_analysis",
scheme_name="five_hour_case",
)
assert time_updates[0]["DURATION"] == "05:00:00"
assert time_updates[0]["REPORT TIMESTEP"] == "1:00"
assert storage_calls[0][0][5] == 21
assert storage_calls[0][0][6] == 900