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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.service.engine.event.impl.eventrequestor;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertEquals;
import java.util.Random;
import org.apache.commons.lang3.RandomStringUtils;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Matchers;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.onap.policy.apex.service.engine.event.ApexEventException;
import org.onap.policy.apex.service.engine.event.ApexEventProducer;
import org.onap.policy.apex.service.engine.event.ApexEventRuntimeException;
import org.onap.policy.apex.service.engine.event.PeeredReference;
import org.onap.policy.apex.service.engine.event.SynchronousEventCache;
import org.onap.policy.apex.service.engine.event.impl.filecarrierplugin.consumer.ApexFileEventConsumer;
import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerParameters;
import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerPeeredMode;
public class EventRequestorProducerTest {
private final Random random = new Random();
private EventRequestorProducer producer;
@Mock
private ApexEventProducer apexProducer;
@Mock
private EventRequestorConsumer apexConsumer;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
producer = new EventRequestorProducer();
}
@Test
public void initWithEmptyParams() {
final String producerName = RandomStringUtils.random(4);
final EventHandlerParameters eventHandlerParameters = new EventHandlerParameters();
assertThatThrownBy(() -> producer.init(producerName, eventHandlerParameters))
.isInstanceOf(ApexEventException.class);
}
@Test
public void initNotPeered() {
final String producerName = RandomStringUtils.random(4);
final EventHandlerParameters eventHandlerParameters = new EventHandlerParameters();
eventHandlerParameters.setCarrierTechnologyParameters(new EventRequestorCarrierTechnologyParameters());
assertThatThrownBy(() -> producer.init(producerName, eventHandlerParameters))
.isInstanceOf(ApexEventException.class);
}
@Test
public void getName() throws ApexEventException {
final String expected = RandomStringUtils.random(4);
final EventHandlerParameters eventHandlerParameters = new EventHandlerParameters();
eventHandlerParameters.setCarrierTechnologyParameters(new EventRequestorCarrierTechnologyParameters());
eventHandlerParameters.setPeeredMode(EventHandlerPeeredMode.REQUESTOR, true);
producer.init(expected, eventHandlerParameters);
final String actual = producer.getName();
assertEquals(expected, actual);
}
@Test
public void getSetPeeredReference() {
final PeeredReference peeredReference = new PeeredReference(EventHandlerPeeredMode.SYNCHRONOUS, apexConsumer,
apexProducer);
producer.setPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS, peeredReference);
final PeeredReference actual = this.producer.getPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS);
assertEquals(peeredReference, actual);
}
@Test
public void sendEventNoRequestor() {
final int id = random.nextInt(1000);
assertThatThrownBy(() -> producer.sendEvent(id, null, null, null))
.isInstanceOf(ApexEventRuntimeException.class);
}
@Test
public void sendEventNoEventRequestorConsumer() {
final int id = random.nextInt(1000);
final ApexFileEventConsumer fileEventConsumer = Mockito.mock(ApexFileEventConsumer.class);
final PeeredReference reference =
new PeeredReference(EventHandlerPeeredMode.REQUESTOR, fileEventConsumer, apexProducer);
producer.setPeeredReference(EventHandlerPeeredMode.REQUESTOR, reference);
assertThatThrownBy(() -> producer.sendEvent(id, null, null, null))
.isInstanceOf(ApexEventRuntimeException.class);
}
@Test
public void sendEvent() {
final int id = random.nextInt(1000);
// Prepare mocks
final PeeredReference peeredReference = Mockito.mock(PeeredReference.class);
Mockito.when(apexConsumer.getPeeredReference(Matchers.any())).thenReturn(peeredReference);
Mockito.when(peeredReference.getPeeredConsumer()).thenReturn(apexConsumer);
final PeeredReference reference =
new PeeredReference(EventHandlerPeeredMode.REQUESTOR, apexConsumer, apexProducer);
producer.setPeeredReference(EventHandlerPeeredMode.REQUESTOR, reference);
producer.sendEvent(id, null, null, null);
Mockito.verify(apexConsumer, Mockito.times(1)).processEvent(Matchers.any());
}
@Test
public void sendEventCached() {
final int id = random.nextInt(1000);
// Set event cache
final SynchronousEventCache eventCache = Mockito.mock(SynchronousEventCache.class);
producer.setPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS, eventCache);
// Prepare other mocks
final PeeredReference peeredReference = Mockito.mock(PeeredReference.class);
Mockito.when(peeredReference.getPeeredConsumer()).thenReturn(apexConsumer);
Mockito.when(apexConsumer.getPeeredReference(Matchers.any())).thenReturn(peeredReference);
final PeeredReference reference =
new PeeredReference(EventHandlerPeeredMode.REQUESTOR, apexConsumer, apexProducer);
producer.setPeeredReference(EventHandlerPeeredMode.REQUESTOR, reference);
producer.sendEvent(id, null, null, null);
Mockito.verify(apexConsumer, Mockito.times(1)).processEvent(Matchers.any());
Mockito.verify(eventCache, Mockito.times(1)).removeCachedEventToApexIfExists(id);
}
}
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