NetworkSlackBusSelectorTest.java
/**
* Copyright (c) 2020, RTE (http://www.rte-france.com)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
* SPDX-License-Identifier: MPL-2.0
*/
package com.powsybl.openloadflow.network;
import com.powsybl.iidm.network.*;
import com.powsybl.iidm.network.extensions.SlackTerminalAdder;
import com.powsybl.iidm.network.test.EurostagTutorialExample1Factory;
import com.powsybl.openloadflow.network.impl.Networks;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.util.Collections;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author Anne Tilloy {@literal <anne.tilloy at rte-france.com>}
*/
class NetworkSlackBusSelectorTest {
private Network network;
private SlackBusSelector selectorMock;
private int fallbackBusCount = -1;
@BeforeEach
void setUp() {
network = EurostagFactory.fix(EurostagTutorialExample1Factory.create());
MostMeshedSlackBusSelector selectorFallback = new MostMeshedSlackBusSelector();
selectorMock = (buses, limit) -> {
fallbackBusCount = buses.size();
return selectorFallback.select(buses, limit);
};
}
@Test
void noExtensionTest() {
List<LfNetwork> lfNetworks = Networks.load(network, new NetworkSlackBusSelector(network, Collections.emptySet(), selectorMock));
LfNetwork lfNetwork = lfNetworks.get(0);
assertEquals("VLHV1_0", lfNetwork.getSlackBus().getId());
assertEquals(4, fallbackBusCount);
}
@Test
void oneExtensionTest() {
VoltageLevel vlload = network.getVoltageLevel("VLLOAD");
Load load = network.getLoad("LOAD");
vlload.newExtension(SlackTerminalAdder.class)
.withTerminal(load.getTerminal())
.add();
List<LfNetwork> lfNetworks = Networks.load(network, new NetworkSlackBusSelector(network, Collections.emptySet(), selectorMock));
LfNetwork lfNetwork = lfNetworks.get(0);
assertEquals("VLLOAD_0", lfNetwork.getSlackBus().getId());
assertEquals(-1, fallbackBusCount);
}
@Test
void twoExtensionsTest() {
VoltageLevel vlload = network.getVoltageLevel("VLLOAD");
VoltageLevel vlgen = network.getVoltageLevel("VLGEN");
Load load = network.getLoad("LOAD");
Generator gen = network.getGenerator("GEN");
vlload.newExtension(SlackTerminalAdder.class)
.withTerminal(load.getTerminal())
.add();
vlgen.newExtension(SlackTerminalAdder.class)
.withTerminal(gen.getTerminal())
.add();
List<LfNetwork> lfNetworks = Networks.load(network, new NetworkSlackBusSelector(network, Collections.emptySet(), selectorMock));
LfNetwork lfNetwork = lfNetworks.get(0);
assertEquals("VLLOAD_0", lfNetwork.getSlackBus().getId());
assertEquals(2, fallbackBusCount);
}
}