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PropertiesFactoryTest.java
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PropertiesFactoryTest.java
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/*
* Copyright (c) 2017 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.connectivity.service.messaging.kafka;
import static java.util.Collections.singletonList;
import static org.assertj.core.api.Assertions.assertThat;
import static org.eclipse.ditto.connectivity.service.messaging.TestConstants.Authorization.AUTHORIZATION_CONTEXT;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.stream.Collectors;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.eclipse.ditto.connectivity.model.Connection;
import org.eclipse.ditto.connectivity.model.ConnectionId;
import org.eclipse.ditto.connectivity.model.ConnectionType;
import org.eclipse.ditto.connectivity.model.ConnectivityModelFactory;
import org.eclipse.ditto.connectivity.model.ConnectivityStatus;
import org.eclipse.ditto.connectivity.model.Topic;
import org.eclipse.ditto.connectivity.service.config.KafkaConfig;
import org.eclipse.ditto.connectivity.service.messaging.TestConstants;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import akka.kafka.ConsumerSettings;
import akka.kafka.ProducerSettings;
/**
* Unit test for {@link PropertiesFactory}.
*/
public final class PropertiesFactoryTest {
private static final String[] BOOTSTRAP_SERVERS = {
"foo:123",
"bar:456",
"baz:789"
};
private static final String USERNAME = "user";
@SuppressWarnings("squid:S2068")
private static final String PASSWORD = "pw";
private static final String TARGET_ADDRESS = "events";
private static final ConnectionId CONNECTION_ID = TestConstants.createRandomConnectionId();
private static KafkaConfig kafkaConfig;
private static Connection connection;
private PropertiesFactory underTest;
@BeforeClass
public static void initTestFixture() {
final String uri = "tcp://" + USERNAME + ":" + PASSWORD + "@" + BOOTSTRAP_SERVERS[BOOTSTRAP_SERVERS.length - 1];
final Map<String, String> specificConfig = new HashMap<>();
final String additionalBootstrapServers = Arrays.stream(BOOTSTRAP_SERVERS)
.limit(BOOTSTRAP_SERVERS.length - 1L)
.collect(Collectors.joining(","));
specificConfig.put("bootstrapServers", additionalBootstrapServers);
connection = ConnectivityModelFactory.newConnectionBuilder(CONNECTION_ID, ConnectionType.KAFKA,
ConnectivityStatus.OPEN, uri)
.targets(singletonList(ConnectivityModelFactory.newTargetBuilder()
.address(TARGET_ADDRESS)
.authorizationContext(AUTHORIZATION_CONTEXT)
.qos(1)
.topics(Topic.LIVE_EVENTS)
.build()))
.specificConfig(specificConfig)
.build();
kafkaConfig = TestConstants.CONNECTION_CONFIG.getKafkaConfig();
}
@Before
public void setUp() {
underTest = PropertiesFactory.newInstance(connection, kafkaConfig, UUID.randomUUID().toString(), true);
}
@Test
public void addsBootstrapServersAndFlattensPropertiesFromProducerSettings() {
final ProducerSettings<String, ByteBuffer> producerSettings = underTest.getProducerSettings();
final Map<String, Object> properties = producerSettings.getProperties();
final List<String> servers =
Arrays.asList(properties.get(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG).toString().split(","));
assertThat(servers).containsExactlyInAnyOrder(BOOTSTRAP_SERVERS);
// check flattening of client properties in kafka.producer
assertThat(properties)
.containsEntry("connections.max.idle.ms", "543210")
.containsEntry("reconnect.backoff.ms", "500")
.containsEntry("reconnect.backoff.max.ms", "10000");
}
@Test
public void addsBootstrapServersAndFlattensPropertiesFromConsumerSettings() {
final ConsumerSettings<String, ByteBuffer> consumerSettings = underTest.getConsumerSettings(false);
final Map<String, Object> properties = consumerSettings.getProperties();
final List<String> servers =
Arrays.asList(properties.get(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG).toString().split(","));
assertThat(servers).containsExactlyInAnyOrder(BOOTSTRAP_SERVERS);
// check flattening of client properties in kafka.producer
assertThat(properties)
.containsEntry("enable.auto.commit", "true")
.containsEntry("retries", "0")
.containsEntry("request.timeout.ms", "10000");
}
}