samza-kafka/src/test/java/org/apache/samza/system/kafka/TestKafkaCheckpointManagerFactory.java

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 * to you under the Apache License, Version 2.0 (the
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package org.apache.samza.system.kafka;

import org.apache.samza.config.ApplicationConfig;
import org.apache.samza.config.KafkaConfig;
import org.apache.samza.config.MapConfig;
import org.junit.Test;

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import static org.junit.Assert.assertEquals;

public class TestKafkaCheckpointManagerFactory {

  @Test
  public void testGetCheckpointTopicProperties() {
    Map<String, String> config = new HashMap<>();
    Properties properties = new KafkaConfig(new MapConfig(config)).getCheckpointTopicProperties();

    assertEquals(properties.getProperty("cleanup.policy"), "compact");
    assertEquals(properties.getProperty("segment.bytes"), String.valueOf(KafkaConfig.DEFAULT_CHECKPOINT_SEGMENT_BYTES()));

    config.put(ApplicationConfig.APP_MODE, ApplicationConfig.ApplicationMode.BATCH.name());
    properties = new KafkaConfig(new MapConfig(config)).getCheckpointTopicProperties();

    assertEquals(properties.getProperty("cleanup.policy"), "compact,delete");
    assertEquals(properties.getProperty("segment.bytes"), String.valueOf(KafkaConfig.DEFAULT_CHECKPOINT_SEGMENT_BYTES()));
    assertEquals(properties.getProperty("retention.ms"), String.valueOf(KafkaConfig.DEFAULT_RETENTION_MS_FOR_BATCH()));
  }
}