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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2018 Nokia
* ================================================================================
* 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.crud.service;
import static junit.framework.TestCase.fail;
import static org.mockito.Matchers.anyString;
import static org.mockito.Mockito.doThrow;
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 com.google.common.collect.Lists;
import java.util.ArrayList;
import javax.naming.OperationNotSupportedException;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import org.onap.aai.event.api.EventConsumer;
@RunWith(MockitoJUnitRunner.class)
public class CrudAsyncResponseConsumerTest {
private static final ArrayList<String> EVENTS = Lists.newArrayList("event_json1", "event_json2");
@Mock
private EventConsumer eventConsumer;
@Mock
private GraphEventUpdater graphEventUpdater;
private CrudAsyncResponseConsumer crudAsyncResponseConsumer;
@Before
public void setUp() {
crudAsyncResponseConsumer = new CrudAsyncResponseConsumer(eventConsumer, graphEventUpdater);
}
@Test
public void shouldCommitOnlyOffsetsWhenEventsCollectionIsEmpty() throws Exception {
// given
when(eventConsumer.consume()).thenReturn(new ArrayList<>());
// when
crudAsyncResponseConsumer.run();
// then
verify(graphEventUpdater, never()).update(anyString());
verify(eventConsumer, times(1)).commitOffsets();
}
@Test
public void shouldCommitOnlyOffsetsWhenThereIsNoEventsToProcess() throws Exception {
// given
when(eventConsumer.consume()).thenReturn(null);
// when
crudAsyncResponseConsumer.run();
// then
verify(graphEventUpdater, never()).update(anyString());
verify(eventConsumer, times(1)).commitOffsets();
}
@Test
public void shouldProcessEventsWhenConsumerProvidesListOfEvents() throws Exception {
// given
when(eventConsumer.consume()).thenReturn(EVENTS);
// when
crudAsyncResponseConsumer.run();
// then
verify(graphEventUpdater, times(2)).update(anyString());
verify(eventConsumer, times(1)).commitOffsets();
}
@Test
public void shouldHandleAnyErrorCaseDuringCommitOffsets() throws Exception {
// given
when(eventConsumer.consume()).thenReturn(EVENTS);
doThrow(OperationNotSupportedException.class).when(eventConsumer).commitOffsets();
// when
try {
crudAsyncResponseConsumer.run();
} catch (Exception e) {
fail("Any error reported by run method is wrong!");
}
// then
verify(graphEventUpdater, times(2)).update(anyString());
}
}
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