code: /*
   * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
   */
  
  package io.airbyte.integrations.destination.s3.writer;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import io.airbyte.integrations.destination.s3.S3Format;
  import io.airbyte.integrations.destination.s3.template.S3FilenameTemplateParameterObject;
  import java.io.IOException;
  import java.sql.Timestamp;
  import org.junit.jupiter.api.Test;
  
  class BaseS3WriterTest {
  
    @Test
    public void testGetOutputFilename() throws IOException {
      final Timestamp timestamp = new Timestamp(1471461319000L);
      assertEquals(
          "2016_08_17_1471461319000_0.csv",
          BaseS3Writer.determineOutputFilename(S3FilenameTemplateParameterObject
              .builder()
              .s3Format(S3Format.CSV)
              .timestamp(timestamp)
              .build()));
    }
  
  }
  