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   * Licensed to the Apache Software Foundation (ASF) under one
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   * distributed with this work for additional information
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   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
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   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
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  package org.apache.cassandra.service.snapshot;
  
  import java.time.Instant;
  import java.util.EnumSet;
  import java.util.List;
  
  import com.google.common.util.concurrent.RateLimiter;
  import org.junit.Test;
  
  import static java.lang.String.format;
  import static org.junit.Assert.assertEquals;
  
  public class SnapshotOptionsTest
  {
      @Test
      public void testSnapshotName()
      {
          List<SnapshotType> sameNameTypes = List.of(SnapshotType.DIAGNOSTICS, SnapshotType.REPAIR, SnapshotType.USER);
  
          for (SnapshotType type : sameNameTypes)
          {
              SnapshotOptions options = SnapshotOptions.systemSnapshot("a_name", type, "ks.tb")
                                                       .rateLimiter(RateLimiter.create(5))
                                                       .build();
  
              String snapshotName = options.getSnapshotName(Instant.now());
              assertEquals("a_name", snapshotName);
          }
  
          EnumSet<SnapshotType> snapshotTypes = EnumSet.allOf(SnapshotType.class);
          snapshotTypes.removeAll(sameNameTypes);
  
          for (SnapshotType type : snapshotTypes)
          {
              SnapshotOptions options = SnapshotOptions.systemSnapshot("a_name", type, "ks.tb")
                                                       .rateLimiter(RateLimiter.create(5))
                                                       .build();
  
              Instant now = Instant.now();
  
              String snapshotName = options.getSnapshotName(now);
  
              assertEquals(format("%d-%s-%s", now.toEpochMilli(), type.label, "a_name"), snapshotName);
          }
      }
  }
  