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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021 Bell Canada. 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.notification
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.boot.autoconfigure.kafka.KafkaAutoConfiguration
import org.springframework.boot.test.context.SpringBootTest
import org.springframework.kafka.config.TopicBuilder
import org.springframework.kafka.core.ConsumerFactory
import org.springframework.kafka.core.KafkaAdmin
import org.springframework.kafka.core.KafkaTemplate
import org.springframework.kafka.listener.ConcurrentMessageListenerContainer
import org.springframework.kafka.listener.ContainerProperties
import org.springframework.kafka.listener.MessageListener
import org.springframework.kafka.test.utils.ContainerTestUtils
import org.springframework.test.context.ContextConfiguration
import org.springframework.test.context.DynamicPropertyRegistry
import org.springframework.test.context.DynamicPropertySource
import spock.lang.Shared
import spock.lang.Specification
@ContextConfiguration(classes = [KafkaAutoConfiguration, KafkaProducerListener, NotificationErrorHandler])
@SpringBootTest
class KafkaPublisherSpecBase extends Specification {
@Autowired
KafkaTemplate kafkaTemplate
@Autowired
KafkaAdmin kafkaAdmin
@Autowired
ConsumerFactory consumerFactory
@Shared volatile topicCreated = false
@Shared consumedMessages = new ArrayList<>()
def cpsEventTopic = 'cps-events'
@DynamicPropertySource
static void registerKafkaProperties(DynamicPropertyRegistry registry) {
registry.add("spring.kafka.bootstrap-servers", KafkaTestContainerConfig::getBootstrapServers)
}
def setup() {
// Kafka listener and topic should be created only once for a test-suite.
// We are also dependent on sprint context to achieve it, and can not execute it in setupSpec
if (!topicCreated) {
kafkaAdmin.createOrModifyTopics(TopicBuilder.name(cpsEventTopic).partitions(1).replicas(1).build())
startListeningToTopic()
topicCreated = true
}
/* kafka message listener stores the messages to consumedMessages.
It is important to clear the list before each test case so that test cases can fetch the message from index '0'.
*/
consumedMessages.clear()
}
def startListeningToTopic() {
ContainerProperties containerProperties = new ContainerProperties(cpsEventTopic)
containerProperties.setMessageListener([
onMessage: {
record ->
consumedMessages.add(record.value())
}] as MessageListener)
ConcurrentMessageListenerContainer container =
new ConcurrentMessageListenerContainer<>(
consumerFactory,
containerProperties)
container.start()
ContainerTestUtils.waitForAssignment(container, 1)
}
}
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