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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2019 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.common.utils.time;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.util.concurrent.Delayed;
import java.util.concurrent.TimeUnit;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
public class PseudoScheduledFutureTest {
private static final long DELAY_MS = 1000L;
private int count;
@Mock
private WorkItem work;
private PseudoScheduledFuture<Integer> future;
/**
* Sets up objects, including {@link #future}.
*/
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
when(work.getDelay()).thenReturn(DELAY_MS);
count = 0;
future = new PseudoScheduledFuture<>(() -> ++count, true);
future.setWorkItem(work);
}
@Test
public void testRun() {
// verify with a periodic task - should execute twice
count = 0;
future.run();
future.run();
assertEquals(2, count);
// verify with an aperiodic task - should only execute once
future = new PseudoScheduledFuture<>(() -> ++count, false);
count = 0;
future.run();
future.run();
assertEquals(1, count);
}
@Test
public void testPseudoScheduledFutureRunnableTBoolean() throws Exception {
final Integer result = 100;
future = new PseudoScheduledFuture<>(() -> ++count, result, true);
assertTrue(future.isPeriodic());
future.run();
future.run();
assertEquals(2, count);
// verify with aperiodic constructor
future = new PseudoScheduledFuture<>(() -> ++count, result, false);
count = 0;
assertFalse(future.isPeriodic());
future.run();
future.run();
assertEquals(1, count);
assertEquals(result, future.get());
}
@Test
public void testPseudoScheduledFutureCallableOfTBoolean() throws Exception {
assertTrue(future.isPeriodic());
future.run();
future.run();
assertEquals(2, count);
// verify with aperiodic constructor
future = new PseudoScheduledFuture<>(() -> ++count, false);
count = 0;
assertFalse(future.isPeriodic());
future.run();
assertEquals(1, future.get().intValue());
future.run();
assertEquals(1, count);
}
@Test
public void testGetDelay() {
assertEquals(DELAY_MS, future.getDelay(TimeUnit.MILLISECONDS));
assertEquals(TimeUnit.MILLISECONDS.toSeconds(DELAY_MS), future.getDelay(TimeUnit.SECONDS));
}
@Test
public void testCompareTo() {
Delayed delayed = mock(Delayed.class);
when(delayed.getDelay(TimeUnit.MILLISECONDS)).thenReturn(DELAY_MS + 1);
assertTrue(future.compareTo(delayed) < 0);
}
@Test
public void testIsPeriodic() {
assertTrue(future.isPeriodic());
assertFalse(new PseudoScheduledFuture<>(() -> ++count, false).isPeriodic());
}
@Test
public void testGetWorkItem() {
assertSame(work, future.getWorkItem());
}
@Test
public void testSetWorkItem() {
work = mock(WorkItem.class);
future.setWorkItem(work);
assertSame(work, future.getWorkItem());
}
}
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