diff options
Diffstat (limited to 'integration-test/src/test/java/org/onap')
-rw-r--r-- | integration-test/src/test/java/org/onap/cps/integration/KafkaTestContainer.java | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/integration-test/src/test/java/org/onap/cps/integration/KafkaTestContainer.java b/integration-test/src/test/java/org/onap/cps/integration/KafkaTestContainer.java new file mode 100644 index 0000000000..d41f752912 --- /dev/null +++ b/integration-test/src/test/java/org/onap/cps/integration/KafkaTestContainer.java @@ -0,0 +1,86 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2024 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.cps.integration; + +import java.util.HashMap; +import java.util.Map; +import org.apache.kafka.clients.consumer.ConsumerConfig; +import org.apache.kafka.clients.consumer.KafkaConsumer; +import org.apache.kafka.common.serialization.StringDeserializer; +import org.testcontainers.containers.KafkaContainer; +import org.testcontainers.utility.DockerImageName; + +/** + * The Apache Kafka test container wrapper. + * Allow to use specific image and version with Singleton design pattern. + * This ensures only one instance of Kafka container across the integration tests. + * Avoid unnecessary resource and time consumption. + */ +public class KafkaTestContainer extends KafkaContainer { + + private static final String IMAGE_NAME_AND_VERSION = "registry.nordix.org/onaptest/confluentinc/cp-kafka:6.2.1"; + + private static KafkaTestContainer kafkaTestContainer; + + private KafkaTestContainer() { + super(DockerImageName.parse(IMAGE_NAME_AND_VERSION).asCompatibleSubstituteFor("confluentinc/cp-kafka")); + } + + /** + * Provides an instance of Kafka test container wrapper. + * This will allow to initialize Kafka messaging support before any integration test run. + * + * @return KafkaTestContainer the unique Kafka instance + */ + public static KafkaTestContainer getInstance() { + if (kafkaTestContainer == null) { + kafkaTestContainer = new KafkaTestContainer(); + Runtime.getRuntime().addShutdownHook(new Thread(kafkaTestContainer::close)); + } + return kafkaTestContainer; + } + + public static KafkaConsumer getConsumer(final String consumerGroupId, final Object valueDeserializer) { + return new KafkaConsumer<>(consumerProperties(consumerGroupId, valueDeserializer)); + } + + @Override + public void start() { + super.start(); + System.setProperty("spring.kafka.properties.bootstrap.servers", kafkaTestContainer.getBootstrapServers()); + } + + @Override + public void stop() { + // Method intentionally left blank + } + + private static Map<String, Object> consumerProperties(final String consumerGroupId, + final Object valueDeserializer) { + final Map<String, Object> configProps = new HashMap<>(); + configProps.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, kafkaTestContainer.getBootstrapServers()); + configProps.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class); + configProps.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, valueDeserializer); + configProps.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest"); + configProps.put(ConsumerConfig.GROUP_ID_CONFIG, consumerGroupId); + return configProps; + } + +} |