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# -*- coding: utf-8 -
"""Basic tests.
This file is part of project oemof (github.com/oemof/oemof). It's copyrighted
by the contributors recorded in the version control history of the file,
available from its original location oemof/tests/basic_tests.py
SPDX-License-Identifier: MIT
"""
import pytest
from oemof import solph
def test_infeasible_model():
es = solph.EnergySystem(timeincrement=[1])
bel = solph.buses.Bus(label="bus")
es.add(bel)
es.add(
solph.components.Sink(
inputs={bel: solph.flows.Flow(nominal_capacity=5, fix=[1])}
)
solph.components.Source(
outputs={
bel: solph.flows.Flow(nominal_capacity=4, variable_costs=5)
}
m = solph.Model(es)
with pytest.warns(
UserWarning, match="The solver did not return an optimal solution"
):
m.solve(solver="cbc", allow_nonoptimal=True)
with pytest.raises(
RuntimeError, match="The solver did not return an optimal solution"
m.solve(solver="cbc", allow_nonoptimal=False)
def test_unbounded_model():
# Add a Sink with a higher demand
es.add(solph.components.Sink(inputs={bel: solph.flows.Flow()}))
# Add a Source with a very high supply
outputs={bel: solph.flows.Flow(variable_costs=-5)}
oemof /
oemof-solph
