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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.controlloop.common.rules.test;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.onap.policy.common.endpoints.http.server.HttpServletServer;
import org.onap.policy.controlloop.common.rules.test.Simulators.SimulatorBuilder;
@RunWith(MockitoJUnitRunner.class)
public class SimulatorsTest {
private static final String EXPECTED_EXCEPTION = "expected exception";
@Mock
private HttpServletServer server1;
@Mock
private HttpServletServer server2;
@Mock
private HttpServletServer server3;
private Simulators simulators;
/**
* Sets up.
*/
@Before
public void setUp() {
simulators = new Simulators();
}
@Test
public void testStart() {
simulators.start(() -> server1, () -> server2);
assertEquals(List.of(server1, server2), simulators.getServers());
verify(server1, never()).shutdown();
verify(server2, never()).shutdown();
}
/**
* Tests start() when one of the builders throws an exception.
*/
@Test
public void testStartException() {
SimulatorBuilder exbuilder = () -> {
throw new InterruptedException(EXPECTED_EXCEPTION);
};
assertThatThrownBy(() -> simulators.start(() -> server1, () -> server2, exbuilder, () -> server3))
.isInstanceOf(SimulatorException.class);
assertTrue(simulators.getServers().isEmpty());
verify(server1).shutdown();
verify(server2).shutdown();
// shouldn't have reached this builder, so nothing to shut down
verify(server3, never()).shutdown();
}
@Test
public void testDestroy() {
simulators.start(() -> server1, () -> server2, () -> server3);
doThrow(new IllegalStateException(EXPECTED_EXCEPTION)).when(server2).shutdown();
simulators.destroy();
verify(server1).shutdown();
verify(server3).shutdown();
assertTrue(simulators.getServers().isEmpty());
}
}
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