tests/itests-timer/src/test/java/org/apache/camel/kafkaconnector/timer/source/CamelSourceTimerITCase.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

package org.apache.camel.kafkaconnector.timer.source;

import java.util.concurrent.ExecutionException;

import org.apache.camel.kafkaconnector.common.AbstractKafkaTest;
import org.apache.camel.kafkaconnector.common.ConnectorPropertyFactory;
import org.apache.camel.kafkaconnector.common.clients.kafka.KafkaClient;
import org.apache.camel.kafkaconnector.common.utils.TestUtils;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.api.Timeout;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * A simple test case that checks whether the timer produces the expected number of
 * messages
 */
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
public class CamelSourceTimerITCase extends AbstractKafkaTest {
    private static final Logger LOG = LoggerFactory.getLogger(CamelSourceTimerITCase.class);

    private int received;
    private final int expect = 10;

    @Override
    protected String[] getConnectorsInTest() {
        return new String[] {"camel-timer-kafka-connector"};
    }

    @BeforeEach
    public void setUp() {
        received = 0;
    }

    private boolean checkRecord(ConsumerRecord<String, String> record) {
        received++;

        if (received == expect) {
            return false;
        }

        return true;
    }

    private void runTest(ConnectorPropertyFactory connectorPropertyFactory) throws ExecutionException, InterruptedException {
        connectorPropertyFactory.log();
        getKafkaConnectService().initializeConnector(connectorPropertyFactory);

        LOG.debug("Creating the consumer ...");
        KafkaClient<String, String> kafkaClient = new KafkaClient<>(getKafkaService().getBootstrapServers());
        kafkaClient.consume(TestUtils.getDefaultTestTopic(this.getClass()), this::checkRecord);
        LOG.debug("Created the consumer ...");

        assertEquals(received, expect);
    }

    @Test
    @Timeout(90)
    public void testLaunchConnector() throws ExecutionException, InterruptedException {
        CamelTimerPropertyFactory connectorPropertyFactory = CamelTimerPropertyFactory
                .basic()
                .withKafkaTopic(TestUtils.getDefaultTestTopic(this.getClass()))
                .withTimerName("launchTest")
                .withRepeatCount(expect);

        runTest(connectorPropertyFactory);
    }

    @Test
    @Timeout(90)
    public void testLaunchConnectorUsingUrl() throws ExecutionException, InterruptedException {
        CamelTimerPropertyFactory connectorPropertyFactory = CamelTimerPropertyFactory
                .basic()
                .withKafkaTopic(TestUtils.getDefaultTestTopic(this.getClass()))
                .withUrl("launchTestUsingUrl")
                    .append("repeatCount", expect)
                    .buildUrl();

        runTest(connectorPropertyFactory);
    }
}