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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.eventmanager;
import static org.assertj.core.api.Assertions.assertThatCode;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import java.time.Instant;
import java.util.UUID;
import java.util.concurrent.CompletableFuture;
import java.util.function.Consumer;
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.controlloop.ControlLoopOperation;
import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
import org.onap.policy.controlloop.actorserviceprovider.OperationResult;
import org.onap.policy.drools.core.lock.Lock;
@RunWith(MockitoJUnitRunner.class)
public class LockDataTest {
private static final String ENTITY = "my-entity";
private static final UUID REQ_ID = UUID.randomUUID();
@Mock
private Lock lock;
@Mock
private Consumer<OperationOutcome> callback1;
@Mock
private Consumer<OperationOutcome> callback2;
@Mock
private Consumer<OperationOutcome> callback3;
private LockData data;
/**
* Sets up.
*/
@Before
public void setUp() {
data = new LockData(ENTITY, REQ_ID);
}
@Test
public void testGetFuture() {
CompletableFuture<OperationOutcome> future = data.getFuture();
assertNotNull(future);
assertFalse(future.isDone());
}
@Test
public void testAddUnavailableCallback() {
data.addUnavailableCallback(callback1);
data.addUnavailableCallback(callback2);
data.lockAvailable(lock);
verify(callback1, never()).accept(any());
verify(callback2, never()).accept(any());
data.lockUnavailable(lock);
verify(callback1).accept(any());
verify(callback2).accept(any());
}
/**
* Tests addUnavailableCallback() when the lock never becomes available.
*/
@Test
public void testAddUnavailableCallbackNeverAvailable() {
data.addUnavailableCallback(callback1);
data.addUnavailableCallback(callback2);
data.lockUnavailable(lock);
verify(callback1).accept(any());
verify(callback2).accept(any());
data.addUnavailableCallback(callback3);
verify(callback3).accept(any());
}
@Test
public void testFree() {
// no lock yet
assertThatCode(() -> data.free()).doesNotThrowAnyException();
// no with a lock
data.lockAvailable(lock);
data.free();
verify(lock).free();
}
@Test
public void testLockAvailable() throws Exception {
data.addUnavailableCallback(callback1);
data.addUnavailableCallback(callback2);
CompletableFuture<OperationOutcome> future = data.getFuture();
data.lockAvailable(lock);
assertSame(future, data.getFuture());
assertTrue(future.isDone());
OperationOutcome outcome = future.get();
assertEquals(ActorConstants.LOCK_ACTOR, outcome.getActor());
assertEquals(ActorConstants.LOCK_OPERATION, outcome.getOperation());
assertEquals(ENTITY, outcome.getTarget());
assertEquals(OperationResult.SUCCESS, outcome.getResult());
assertEquals(ControlLoopOperation.SUCCESS_MSG, outcome.getMessage());
Instant start = outcome.getStart();
assertNotNull(start);
Instant end = outcome.getEnd();
assertNotNull(end);
assertTrue(start.compareTo(end) <= 0);
verify(callback1, never()).accept(any());
verify(callback2, never()).accept(any());
}
@Test
public void testLockUnavailable() throws Exception {
data.addUnavailableCallback(callback1);
data.addUnavailableCallback(callback2);
data.addUnavailableCallback(callback3);
// arrange for callback2 to throw an exception
doThrow(new IllegalStateException("expected exception")).when(callback2).accept(any());
CompletableFuture<OperationOutcome> future = data.getFuture();
assertNotNull(future);
data.lockUnavailable(lock);
CompletableFuture<OperationOutcome> future2 = data.getFuture();
assertNotNull(future2);
assertNotSame(future, future2);
assertTrue(future.isDone());
OperationOutcome outcome = future.get();
assertTrue(future2.isDone());
assertSame(outcome, future2.get());
assertEquals(ActorConstants.LOCK_ACTOR, outcome.getActor());
assertEquals(ActorConstants.LOCK_OPERATION, outcome.getOperation());
assertEquals(ENTITY, outcome.getTarget());
assertEquals(OperationResult.FAILURE, outcome.getResult());
assertEquals(ControlLoopOperation.FAILED_MSG, outcome.getMessage());
Instant start = outcome.getStart();
assertNotNull(start);
Instant end = outcome.getEnd();
assertNotNull(end);
assertTrue(start.compareTo(end) <= 0);
verify(callback1).accept(outcome);
verify(callback2).accept(outcome);
verify(callback3).accept(outcome);
}
}
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