content: /*
   * 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.cassandra.index.sai.disk.format;
  
  import java.net.URI;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  
  import com.google.common.io.Files;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.junit.rules.TemporaryFolder;
  
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.dht.Murmur3Partitioner;
  import org.apache.cassandra.index.sai.SAITester;
  import org.apache.cassandra.index.sai.utils.IndexIdentifier;
  import org.apache.cassandra.io.sstable.Descriptor;
  import org.apache.cassandra.io.util.File;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  public class IndexDescriptorTest
  {
      private final TemporaryFolder temporaryFolder = new TemporaryFolder();
      private Descriptor descriptor;
  
      @BeforeClass
      public static void initialise()
      {
          DatabaseDescriptor.toolInitialization();
      }
  
      @Before
      public void setup() throws Throwable
      {
          temporaryFolder.create();
          descriptor = Descriptor.fromFile(new File(temporaryFolder.newFolder().getAbsolutePath() + "/nb-1-big-Data.db"));
      }
  
      @After
      public void teardown() throws Throwable
      {
          temporaryFolder.delete();
      }
  
      @Test
      public void versionAAPerSSTableComponentIsParsedCorrectly() throws Throwable
      {
          createFileOnDisk("-SAI+aa+GroupComplete.db");
  
          IndexDescriptor indexDescriptor = IndexDescriptor.create(descriptor, Murmur3Partitioner.instance, SAITester.EMPTY_COMPARATOR);
  
          assertEquals(Version.AA, indexDescriptor.version);
          assertTrue(indexDescriptor.hasComponent(IndexComponent.GROUP_COMPLETION_MARKER));
      }
  
      @Test
      public void versionAAPerIndexComponentIsParsedCorrectly() throws Throwable
      {
          createFileOnDisk("-SAI+aa+test_index+ColumnComplete.db");
  
          IndexDescriptor indexDescriptor = IndexDescriptor.create(descriptor, Murmur3Partitioner.instance, SAITester.EMPTY_COMPARATOR);
          IndexIdentifier indexIdentifier = SAITester.createIndexIdentifier("test", "test", "test_index");
  
          assertEquals(Version.AA, indexDescriptor.version);
          assertTrue(indexDescriptor.hasComponent(IndexComponent.COLUMN_COMPLETION_MARKER, indexIdentifier));
      }
  
      private void createFileOnDisk(String filename) throws Throwable
      {
          Path path;
          try
          {
              path = Paths.get(URI.create(descriptor.baseFile() + filename));
          }
          catch (IllegalArgumentException ex)
          {
              path = Paths.get(descriptor.baseFile() + filename);
          }
  
          Files.touch(new File(path).toJavaIOFile());
      }
  }
  