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/*
* ============LICENSE_START=======================================================
* ONAP PAP
* ================================================================================
* 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.pap.main.comm;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
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.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.pap.main.comm.msgdata.StateChangeReq;
import org.onap.policy.pap.main.comm.msgdata.UpdateReq;
public class PdpRequestsTest extends CommonRequestBase {
private PdpRequests data;
private UpdateReq update;
private StateChangeReq change;
/**
* Sets up.
*/
@Before
public void setUp() {
update = makeUpdateReq(PDP1, MY_GROUP, MY_SUBGROUP);
change = makeStateChangeReq(PDP1, MY_STATE);
data = new PdpRequests(PDP1, notifier);
}
@Test
public void testPdpRequests_testGetLastGroupName() {
assertEquals(PDP1, data.getPdpName());
assertSame(notifier, data.getNotifier());
}
@Test
public void testAddSingleton() {
data.addSingleton(update);
verify(update).setNotifier(notifier);
verify(update).startPublishing();
}
@Test
public void testAddSingleton_SameAsExisting() {
data.addSingleton(update);
// add duplicate update
UpdateReq req2 = makeUpdateReq(PDP1, MY_GROUP, MY_SUBGROUP);
data.addSingleton(req2);
// should not publish duplicate
verify(req2, never()).startPublishing();
// should not re-publish original
verify(update, times(1)).startPublishing();
}
@Test
public void testAddSingleton_AnotherRequest() {
data.addSingleton(update);
// add another request
data.addSingleton(change);
// add duplicate requests
StateChangeReq change2 = makeStateChangeReq(PDP1, MY_STATE);
when(change.reconfigure(change2.getMessage())).thenReturn(true);
data.addSingleton(change2);
UpdateReq update2 = makeUpdateReq(PDP1, MY_GROUP, MY_SUBGROUP);
when(update.reconfigure(update2.getMessage())).thenReturn(true);
data.addSingleton(update2);
// should still only be publishing the first request
verify(update).startPublishing();
verify(change, never()).startPublishing();
verify(change2, never()).startPublishing();
verify(update2, never()).startPublishing();
}
@Test
public void testAddSingleton_Broadcast() {
UpdateReq req = makeUpdateReq(null, MY_GROUP, MY_SUBGROUP);
assertThatIllegalArgumentException().isThrownBy(() -> data.addSingleton(req))
.withMessage("unexpected broadcast for pdp_1");
}
@Test
public void testStopPublishing() {
// nothing in the queue - nothing should happen
data.stopPublishing();
data.addSingleton(update);
data.addSingleton(change);
data.stopPublishing();
verify(update).stopPublishing();
verify(change, never()).stopPublishing();
// repeat, but with only one request in the queue
data.addSingleton(update);
data.stopPublishing();
verify(update, times(2)).stopPublishing();
verify(change, never()).stopPublishing();
}
@Test
public void testStartNextRequest_NothingToStart() {
assertFalse(data.startNextRequest(update));
// should not have published it
verify(update, never()).startPublishing();
}
/**
* Tests addSingleton() when only one request is in the queue.
*/
@Test
public void testStartNextRequest_OneRequest() {
data.addSingleton(update);
assertFalse(data.startNextRequest(update));
// invoke again
assertFalse(data.startNextRequest(update));
// should have only been published once
verify(update, times(1)).startPublishing();
}
/**
* Tests addSingleton() when more than one request is in the queue.
*/
@Test
public void testStartNextRequest_MultipleRequests() {
data.addSingleton(update);
data.addSingleton(change);
// update is still active - should return true
assertTrue(data.startNextRequest(change));
// invoke again
assertTrue(data.startNextRequest(change));
// should not have published yet
verify(change, never()).startPublishing();
// should publish "change" once update completes
assertTrue(data.startNextRequest(update));
verify(change).startPublishing();
// nothing more in the queue once it completes
assertFalse(data.startNextRequest(change));
}
@Test
public void testIsFirstInQueue() {
// test with empty queue
assertFalse(data.isFirstInQueue(update));
data.addSingleton(update);
assertTrue(data.isFirstInQueue(update));
data.addSingleton(change);
assertTrue(data.isFirstInQueue(update));
assertFalse(data.isFirstInQueue(change));
}
@Test
public void testGetPdpName() {
assertEquals(PDP1, data.getPdpName());
}
}
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