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   * 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.repair.autorepair;
  
  import java.net.UnknownHostException;
  import java.util.Arrays;
  import java.util.List;
  import java.util.stream.Collectors;
  
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import org.apache.cassandra.SchemaLoader;
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.cql3.CQLTester;
  import org.apache.cassandra.cql3.QueryProcessor;
  import org.apache.cassandra.db.ColumnFamilyStore;
  import org.apache.cassandra.db.Keyspace;
  import org.apache.cassandra.exceptions.ConfigurationException;
  import org.apache.cassandra.io.sstable.format.SSTableReader;
  import org.apache.cassandra.service.StorageService;
  
  import static org.apache.cassandra.config.CassandraRelevantProperties.SYSTEM_DISTRIBUTED_DEFAULT_RF;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  
  /**
   * Unit tests to cover AutoRepair functionality inside {@link org.apache.cassandra.service.StorageService}
   */
  public class SSTableRepairedAtTest extends CQLTester
  {
      public static final String TEST_KEYSPACE = "test_keyspace";
      public static ColumnFamilyStore table1;
      public static ColumnFamilyStore table2;
  
      @BeforeClass
      public static void setUp() throws ConfigurationException, UnknownHostException
      {
          requireNetwork();
          AutoRepairUtils.setup();
          StorageService.instance.doAutoRepairSetup();
          DatabaseDescriptor.setCDCEnabled(false);
      }
  
      @Before
      public void clearData()
      {
          SYSTEM_DISTRIBUTED_DEFAULT_RF.setInt(1);
          QueryProcessor.executeInternal(String.format("CREATE KEYSPACE %s WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}", TEST_KEYSPACE));
          QueryProcessor.executeInternal(String.format("CREATE TABLE %s.%s (key text, val text, primary key(key))", TEST_KEYSPACE, "table1"));
          QueryProcessor.executeInternal(String.format("CREATE TABLE %s.%s (key text, val text, primary key(key))", TEST_KEYSPACE, "table2"));
  
          Keyspace.open(TEST_KEYSPACE).getColumnFamilyStore("table1").truncateBlocking();
          Keyspace.open(TEST_KEYSPACE).getColumnFamilyStore("table2").truncateBlocking();
  
                  table1 = Keyspace.open(TEST_KEYSPACE).getColumnFamilyStore("table1");
          assert table1 != null;
          table2 = Keyspace.open(TEST_KEYSPACE).getColumnFamilyStore("table2");
          assert table2 != null;
      }
  
      @Test
      public void testGetTablesForKeyspace()
      {
          List<String> result = StorageService.instance.getTablesForKeyspace(TEST_KEYSPACE);
  
          assertEquals(Arrays.asList(table1.name, table2.name), result.stream().sorted().collect(Collectors.toList()));
      }
  
      @Test
      public void testGetTablesForKeyspaceNotFound()
      {
          String missingKeyspace = "MISSING_KEYSPACE";
          try
          {
              StorageService.instance.getTablesForKeyspace(missingKeyspace);
              fail("Expected an AssertionError to be thrown");
          }
          catch (AssertionError e)
          {
              assertEquals("Unknown keyspace " + missingKeyspace, e.getMessage());
          }
      }
  
      @Test
      public void testMutateSSTableRepairedStateTableNotFound()
      {
          try
          {
              StorageService.instance.mutateSSTableRepairedState(true, false, TEST_KEYSPACE, List.of("MISSING_TABLE"));
              fail("Expected an InvalidRequestException to be thrown");
          }
          catch (RuntimeException e)
          {
              assertEquals("Table MISSING_TABLE does not exist in keyspace " + TEST_KEYSPACE, e.getMessage());
              // Test passed
          }
      }
  
      @Test
      public void testMutateSSTableRepairedStateTablePreview()
      {
          SchemaLoader.insertData(TEST_KEYSPACE, table1.name, 0, 1);
          table1.forceBlockingFlush(ColumnFamilyStore.FlushReason.UNIT_TESTS);
          assertEquals(1, table1.getLiveSSTables().size());
  
          List<String> result = StorageService.instance.mutateSSTableRepairedState(true, true, TEST_KEYSPACE, Arrays.asList(table1.name));
  
          assertEquals(1, result.size());
          table1.getLiveSSTables().forEach(sstable -> {
              assertFalse(sstable.isRepaired());
              assertTrue(result.contains(sstable.descriptor.baseFile().name()));
          });
      }
  
      @Test
      public void testMutateSSTableRepairedStateTableRepaired()
      {
          SchemaLoader.insertData(TEST_KEYSPACE, table1.name, 0, 1);
          table1.forceBlockingFlush(ColumnFamilyStore.FlushReason.UNIT_TESTS);
          SchemaLoader.insertData(TEST_KEYSPACE, table1.name, 0, 1);
          table1.forceBlockingFlush(ColumnFamilyStore.FlushReason.UNIT_TESTS);
          assertEquals(2, table1.getLiveSSTables().size());
          table1.getLiveSSTables().forEach(sstable -> {
              assertFalse(sstable.isRepaired());
          });
  
          List<String> result = StorageService.instance.mutateSSTableRepairedState(true, false, TEST_KEYSPACE, Arrays.asList(table1.name));
  
          assertEquals(2, result.size());
          table1.getLiveSSTables().forEach(sstable -> {
              assertTrue(sstable.isRepaired());
              assertTrue(result.contains(sstable.descriptor.baseFile().name()));
          });
      }
  
      @Test
      public void testMutateSSTableRepairedStateTableUnrepaired() throws Exception
      {
          SchemaLoader.insertData(TEST_KEYSPACE, table1.name, 0, 1);
          table1.forceBlockingFlush(ColumnFamilyStore.FlushReason.UNIT_TESTS);
          SchemaLoader.insertData(TEST_KEYSPACE, table1.name, 0, 1);
          table1.forceBlockingFlush(ColumnFamilyStore.FlushReason.UNIT_TESTS);
          table1.getCompactionStrategyManager().mutateRepaired(table1.getLiveSSTables(), 1, null, false);
          assertEquals(2, table1.getLiveSSTables().stream().filter(SSTableReader::isRepaired).count());
  
          List<String> result = StorageService.instance.mutateSSTableRepairedState(false, false, TEST_KEYSPACE, Arrays.asList(table1.name));
  
          assertEquals(2, result.size());
          table1.getLiveSSTables().forEach(sstable -> {
              assertFalse(sstable.isRepaired());
              assertTrue(result.contains(sstable.descriptor.baseFile().name()));
          });
      }
  }
  