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/*-
* ============LICENSE_START=======================================================
* org.onap.dcaegen2.collectors.ves
* ================================================================================
* Copyright (C) 2018 Nokia. 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.dcae.common.publishing;
import static io.vavr.API.List;
import static io.vavr.API.Map;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyZeroInteractions;
import static org.mockito.Mockito.when;
import com.att.nsa.cambria.client.CambriaBatchingPublisher;
import io.vavr.collection.Map;
import io.vavr.control.Option;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import org.junit.Before;
import org.junit.Test;
import org.onap.dcae.common.publishing.DMaaPPublishersCache.CambriaPublishersCacheLoader;
import org.onap.dcae.common.publishing.DMaaPPublishersCache.OnPublisherRemovalListener;
public class DMaaPPublishersCacheTest {
private String streamId1;
private Map<String, PublisherConfig> dMaaPConfigs;
@Before
public void setUp() {
streamId1 = "sampleStream1";
dMaaPConfigs = Map("sampleStream1", new PublisherConfig(List("destination1"), "topic1"));
}
@Test
public void shouldReturnTheSameCachedInstanceOnConsecutiveRetrievals() {
// given
DMaaPPublishersCache dMaaPPublishersCache = new DMaaPPublishersCache(dMaaPConfigs);
// when
Option<CambriaBatchingPublisher> firstPublisher = dMaaPPublishersCache.getPublisher(streamId1);
Option<CambriaBatchingPublisher> secondPublisher = dMaaPPublishersCache.getPublisher(streamId1);
// then
assertSame("should return same instance", firstPublisher.get(), secondPublisher.get());
}
@Test
public void shouldCloseCambriaPublisherOnCacheInvalidate() throws IOException, InterruptedException {
// given
CambriaBatchingPublisher cambriaPublisherMock1 = mock(CambriaBatchingPublisher.class);
CambriaPublishersCacheLoader cacheLoaderMock = mock(CambriaPublishersCacheLoader.class);
DMaaPPublishersCache dMaaPPublishersCache = new DMaaPPublishersCache(cacheLoaderMock,
new OnPublisherRemovalListener(),
dMaaPConfigs);
when(cacheLoaderMock.load(streamId1)).thenReturn(cambriaPublisherMock1);
// when
dMaaPPublishersCache.getPublisher(streamId1);
dMaaPPublishersCache.closePublisherFor(streamId1);
// then
verify(cambriaPublisherMock1).close(20, TimeUnit.SECONDS);
}
@Test
public void shouldReturnNoneIfThereIsNoDMaaPConfigurationForGivenStreamID() {
// given
DMaaPPublishersCache dMaaPPublishersCache = new DMaaPPublishersCache(dMaaPConfigs);
// then
assertTrue("should not exist", dMaaPPublishersCache.getPublisher("non-existing").isEmpty());
}
@Test
public void shouldCloseOnlyChangedPublishers() throws IOException, InterruptedException {
// given
CambriaBatchingPublisher cambriaPublisherMock1 = mock(CambriaBatchingPublisher.class);
CambriaBatchingPublisher cambriaPublisherMock2 = mock(CambriaBatchingPublisher.class);
CambriaPublishersCacheLoader cacheLoaderMock = mock(CambriaPublishersCacheLoader.class);
String firstDomain = "domain1";
String secondDomain = "domain2";
Map<String, PublisherConfig> oldConfig = Map(firstDomain,
new PublisherConfig(List("destination1"), "topic1"),
secondDomain,
new PublisherConfig(List("destination2"), "topic2",
"user", "pass"));
Map<String, PublisherConfig> newConfig = Map(firstDomain, new PublisherConfig(List("destination1"), "topic1"),
secondDomain, new PublisherConfig(List("destination2"), "topic2"));
DMaaPPublishersCache dMaaPPublishersCache = new DMaaPPublishersCache(cacheLoaderMock,
new OnPublisherRemovalListener(),
oldConfig);
when(cacheLoaderMock.load(firstDomain)).thenReturn(cambriaPublisherMock1);
when(cacheLoaderMock.load(secondDomain)).thenReturn(cambriaPublisherMock2);
dMaaPPublishersCache.getPublisher(firstDomain);
dMaaPPublishersCache.getPublisher(secondDomain);
// when
dMaaPPublishersCache.reconfigure(newConfig);
// then
verify(cambriaPublisherMock2).close(20, TimeUnit.SECONDS);
verifyZeroInteractions(cambriaPublisherMock1);
}
}
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