Files
proc-rota/test/test_rota_nights.py
T
Ross 76f3b48c1d Refactor shift constraints in tests to use new constraint classes
- Updated test cases in `test_workers.py` to replace dictionary-based constraints with instances of `PreShiftConstraint`, `PostShiftConstraint`, and `MaxShiftsPerWeekConstraint`.
- Added a new test `test_worker_assign_as_block_preference2` to verify worker preferences for block assignments.
- Marked tests as slow where appropriate to improve test suite performance.
2025-08-11 13:03:08 +01:00

106 lines
3.6 KiB
Python

import datetime
import pytest
from pytest import approx
from rota.shifts import PostShiftConstraint, RotaBuilder, SingleShift, days
from rota.workers import Worker
from web.rota.shifts import PreShiftConstraint
@pytest.fixture
def demo_rota_nights():
weeks_to_rota = 12
start_date = datetime.date(2022, 3, 14)
Rota = RotaBuilder(
start_date,
weeks_to_rota=weeks_to_rota,
balance_offset_modifier=1,
)
Rota.constraint_options["max_shifts_per_week"] = 5
Rota.constraint_options["max_shifts_per_month"] = 31
Rota.constraint_options["limit_to_1_st2_on_nights"] = False
Rota.constraint_options["constrain_time_off_after_nights"] = False
Rota.constraint_options["balance_nights_across_site"] = False
Rota.constraint_options["balance_shifts"] = True
Rota.constraint_options["balance_shifts_over_workers"] = True
Rota.constraint_options["balance_nights"] = False
Rota.constraint_options["minimise_shift_diffs"] = False
Rota.constraint_options["balance_blocks"] = False
Rota.constraint_options["max_night_frequency"] = 0
# Add workers
workers = [
Worker(name="worker1", site="group1", grade=1),
Worker(name="worker2", site="group1", grade=1),
Worker(name="worker3", site="group1", grade=1),
Worker(name="worker4", site="group1", grade=1),
Worker(name="worker5", site="group2", grade=1, fte=60),
Worker(name="worker6", site="group2", grade=1, fte=40),
Worker(name="worker7", site="group2", grade=1),
Worker(name="worker8", site="group2", grade=1),
]
Rota.add_workers(workers)
# Add shifts
Rota.add_shifts(
SingleShift(
sites=("group1", "group2"),
name="night_weekday",
length=12.5,
days=days[:4],
workers_required=1,
constraints=[
PreShiftConstraint(days=1),
PostShiftConstraint(days=2),
],
force_as_block=True
),
SingleShift(
sites=("group1", "group2"),
name="night_weekend",
length=12.5,
days=days[4:],
constraints=[
PreShiftConstraint(days=1),
PostShiftConstraint(days=2),
],
force_as_block=True,
),
SingleShift(
sites=("group1", "group2"),
name="twilight",
length=12.5,
days=days[:5],
workers_required=2,
),
)
Rota.build_shifts()
Rota.build_workers()
Rota.build_model()
solver_options = {"ratio": 0.01, "seconds": 1000, "threads": 10}
Rota.solve_model(options=solver_options)
Rota.export_rota_to_html("test3")
return Rota
def test_night_assignment(demo_rota_nights):
Rota = demo_rota_nights
assert Rota.results.solver.status == "ok"
shift_summary = Rota.get_shift_summary_dict()
for worker_name in shift_summary:
worker_shifts = shift_summary[worker_name]
worker = Rota.get_worker_by_name(worker_name)
if worker.fte == 40:
assert worker_shifts["night_weekday"] in (approx(0), approx(4))
assert worker_shifts["night_weekend"] in (approx(0), approx(3))
elif worker.fte == 60:
assert worker_shifts["night_weekday"] in (approx(0), approx(4), approx(8))
assert worker_shifts["night_weekend"] in (approx(0), approx(3), approx(6))
else:
assert worker_shifts["night_weekday"] in (approx(4), approx(8))
assert worker_shifts["night_weekend"] in (approx(3), approx(6))