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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 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.so.bpmn.infrastructure.pnf.kafka;
import static org.junit.Assert.assertEquals;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
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 java.io.IOException;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.Collections;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.onap.so.bpmn.infrastructure.pnf.kafka.PnfEventReadyKafkaClient.KafkaTopicListenerThread;
import org.onap.so.client.kafka.KafkaConsumerImpl;
import org.springframework.core.env.Environment;
@RunWith(MockitoJUnitRunner.class)
public class PnfEventReadyKafkaClientTest {
private static final String KAFKA_BOOTSTRAP_SERVERS = "localhost:9092";
private static final String PNF_CORRELATION_ID = "corrTestId";
private static final String PNF_CORRELATION_ID_NOT_FOUND_IN_MAP = "otherCorrId";
private static final String[] JSON_EXAMPLE_WITH_PNF_CORRELATION_ID =
{"{\"correlationId\": \"%s\"," + "\"value\":\"value1\"}",
"{\"correlationId\": \"corr\",\"value\":\"value2\"}"};
private static final String JSON_EXAMPLE_WITH_NO_PNF_CORRELATION_ID = "{\"key1\":\"value1\"}";
private static final String TOPIC_NAME = "unauthenticated.PNF_READY";
private static final String TOPIC_NAME_UPDATE = "unauthenticated.PNF_UPDATE";
private static final String CONSUMER_ID = "so-bpmn-infra-pnfready";
private static final String CONSUMER_ID_UPDATE = "so-bpmn-infra-pnfupdate";
private static final String CONSUMER_GROUP = "so-consumer";
private static final int TOPIC_LISTENER_DELAY_IN_SECONDS = 5;
@Mock
private Environment env;
private PnfEventReadyKafkaClient testedObject;
private KafkaTopicListenerThread testedObjectInnerClassThread;
private KafkaConsumerImpl kafkaConsumerMock;
private Runnable threadMockToNotifyCamundaFlow;
private ScheduledThreadPoolExecutor executorMock;
@Before
public void init() throws NoSuchFieldException, IllegalAccessException, IOException {
when(env.getProperty(eq("pnf.kafka.kafkaBootstrapServers"))).thenReturn(KAFKA_BOOTSTRAP_SERVERS);
when(env.getProperty(eq("pnf.kafka.pnfReadyTopicName"))).thenReturn(TOPIC_NAME);
when(env.getProperty(eq("pnf.kafka.pnfUpdateTopicName"))).thenReturn(TOPIC_NAME_UPDATE);
when(env.getProperty(eq("pnf.kafka.consumerId"))).thenReturn(CONSUMER_ID);
when(env.getProperty(eq("pnf.kafka.consumerIdUpdate"))).thenReturn(CONSUMER_ID_UPDATE);
when(env.getProperty(eq("pnf.kafka.consumerGroup"))).thenReturn(CONSUMER_GROUP);
when(env.getProperty(eq("pnf.kafka.topicListenerDelayInSeconds"), eq(Integer.class)))
.thenReturn(TOPIC_LISTENER_DELAY_IN_SECONDS);
testedObject = new PnfEventReadyKafkaClient(env);
testedObjectInnerClassThread = testedObject.new KafkaTopicListenerThread();
kafkaConsumerMock = mock(KafkaConsumerImpl.class);
threadMockToNotifyCamundaFlow = mock(Runnable.class);
executorMock = mock(ScheduledThreadPoolExecutor.class);
setPrivateField();
}
/**
* Test run method, where the are following conditions:
* <p>
* - KafkaThreadListener is running, flag is set to true
* <p>
* - map is filled with one entry with the key that we get from response
* <p>
* run method should invoke thread from map to notify camunda process, remove element from the map (map is empty)
* and shutdown the executor because of empty map
*/
@Test
public void pnfCorrelationIdIsFoundInHttpResponse_notifyAboutPnfUpdate() throws IOException {
when(kafkaConsumerMock.get(any(String.class), any(String.class), any(String.class)))
.thenReturn(Arrays.asList(String.format(JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[0], PNF_CORRELATION_ID),
JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[1]));
testedObjectInnerClassThread.run();
verify(kafkaConsumerMock).get(TOPIC_NAME_UPDATE, CONSUMER_GROUP, CONSUMER_ID_UPDATE);
verify(threadMockToNotifyCamundaFlow).run();
verify(executorMock).shutdown();
}
@Test
public void pnfCorrelationIdIsFoundInHttpResponse_notifyAboutPnfReady() throws IOException {
when(kafkaConsumerMock.get(any(String.class), any(String.class), any(String.class)))
.thenReturn(Collections.emptyList())
.thenReturn(Arrays.asList(String.format(JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[0], PNF_CORRELATION_ID),
JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[1]));
testedObjectInnerClassThread.run();
verify(kafkaConsumerMock).get(TOPIC_NAME, CONSUMER_GROUP, CONSUMER_ID);
verify(threadMockToNotifyCamundaFlow).run();
verify(executorMock).shutdown();
}
/**
* Test run method, where the are following conditions:
* <p>
* - KafkaThreadListener is running, flag is set to true
* <p>
* - map is filled with one entry with the pnfCorrelationId that does not match to pnfCorrelationId taken from http
* response. run method should not do anything with the map not run any thread to notify camunda process
*/
@Test
public void pnfCorrelationIdIsFoundInHttpResponse_NotFoundInMap() throws IOException {
when(kafkaConsumerMock.get(any(String.class), any(String.class), any(String.class))).thenReturn(Arrays.asList(
String.format(JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[0], PNF_CORRELATION_ID_NOT_FOUND_IN_MAP),
JSON_EXAMPLE_WITH_PNF_CORRELATION_ID[1]));
testedObjectInnerClassThread.run();
verifyZeroInteractions(threadMockToNotifyCamundaFlow, executorMock);
}
/**
* Test run method, where the are following conditions:
* <p>
* - KafkaThreadListener is running, flag is set to true
* <p>
* - map is filled with one entry with the pnfCorrelationId but no correlation id is taken from HttpResponse run
* method should not do anything with the map and not run any thread to notify camunda process
*/
@Test
public void pnfCorrelationIdIsNotFoundInHttpResponse() throws IOException {
when(kafkaConsumerMock.get(any(String.class), any(String.class), any(String.class)))
.thenReturn(Arrays.asList(JSON_EXAMPLE_WITH_NO_PNF_CORRELATION_ID));
testedObjectInnerClassThread.run();
verifyZeroInteractions(threadMockToNotifyCamundaFlow, executorMock);
}
private void setPrivateField() throws NoSuchFieldException, IllegalAccessException {
Field consumerForPnfReadyField = testedObject.getClass().getDeclaredField("consumerForPnfReady");
consumerForPnfReadyField.setAccessible(true);
consumerForPnfReadyField.set(testedObject, kafkaConsumerMock);
consumerForPnfReadyField.setAccessible(false);
Field consumerForPnfUpdateField = testedObject.getClass().getDeclaredField("consumerForPnfUpdate");
consumerForPnfUpdateField.setAccessible(true);
consumerForPnfUpdateField.set(testedObject, kafkaConsumerMock);
consumerForPnfUpdateField.setAccessible(false);
Field executorField = testedObject.getClass().getDeclaredField("executor");
executorField.setAccessible(true);
executorField.set(testedObject, executorMock);
executorField.setAccessible(false);
Field pnfCorrelationToThreadMapField = testedObject.getClass().getDeclaredField("pnfCorrelationIdToThreadMap");
pnfCorrelationToThreadMapField.setAccessible(true);
Map<String, Runnable> pnfCorrelationToThreadMap = new ConcurrentHashMap<>();
pnfCorrelationToThreadMap.put(PNF_CORRELATION_ID, threadMockToNotifyCamundaFlow);
pnfCorrelationToThreadMapField.set(testedObject, pnfCorrelationToThreadMap);
Field threadRunFlag = testedObject.getClass().getDeclaredField("kafkaThreadListenerIsRunning");
threadRunFlag.setAccessible(true);
threadRunFlag.set(testedObject, true);
threadRunFlag.setAccessible(false);
}
}
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