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;
  
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  
  import com.datastax.driver.core.exceptions.ReadFailureException;
  import org.apache.cassandra.index.sai.SAITester;
  import org.apache.cassandra.index.sai.disk.v1.postings.PostingListRangeIterator;
  import org.apache.cassandra.index.sai.disk.v1.segment.LiteralIndexSegmentTermsReader;
  import org.apache.cassandra.inject.Injection;
  import org.apache.cassandra.inject.Injections;
  import org.apache.cassandra.utils.Throwables;
  
  import static org.apache.cassandra.inject.ActionBuilder.newActionBuilder;
  import static org.apache.cassandra.inject.Expression.quote;
  import static org.apache.cassandra.inject.InvokePointBuilder.newInvokePoint;
  import static org.assertj.core.api.Assertions.assertThatThrownBy;
  
  public class SingleNodeQueryFailureTest extends SAITester
  {
      private static final String CREATE_TABLE_TEMPLATE = "CREATE TABLE %s (id text PRIMARY KEY, v1 int, v2 text) WITH " +
                                                          "compaction = {'class' : 'SizeTieredCompactionStrategy', 'enabled' : false }";
  
      @Before
      public void setup()
      {
          requireNetwork();
          setupTableAndIndexes();
      }
  
      @After
      public void teardown()
      {
          Injections.deleteAll();
      }
  
      // Single Index Tests
      @Test
      public void testFailedRangeIteratorOnSingleIndexQuery() throws Throwable
      {
          testFailedQuery("range_iterator_single", PostingListRangeIterator.class, "getNextRowId", true);
      }
  
      @Test
      public void testFailedTermsReaderOnSingleIndexQuery() throws Throwable
      {
          testFailedQuery("terms_reader_single", LiteralIndexSegmentTermsReader.TermQuery.class, "lookupPostingsOffset", true);
      }
  
      // Multi Index Tests
      @Test
      public void testFailedRangeIteratorOnMultiIndexesQuery() throws Throwable
      {
          testFailedQuery("range_iterator_multi", PostingListRangeIterator.class, "getNextRowId", false);
      }
  
      @Test
      public void testFailedTermsReaderOnMultiIndexesQuery() throws Throwable
      {
          testFailedQuery("terms_reader_multi", LiteralIndexSegmentTermsReader.TermQuery.class, "lookupPostingsOffset", false);
      }
  
      private void setupTableAndIndexes()
      {
          createTable(CREATE_TABLE_TEMPLATE);
          createIndex(String.format(CREATE_INDEX_TEMPLATE, "v1"));
          createIndex(String.format(CREATE_INDEX_TEMPLATE, "v2"));
  
          execute("INSERT INTO %s (id, v1, v2) VALUES ('1', 0, '0')");
          flush();
          execute("INSERT INTO %s (id, v1, v2) VALUES ('2', 1, '1')");
          flush();
          execute("INSERT INTO %s (id, v1, v2) VALUES ('3', 2, '2')");
          flush();
      }
  
      private void testFailedQuery(String name, Class<?> targetClass, String targetMethod, boolean isSingleIndexTest) throws Throwable
      {
          Injection injection = Injections.newCustom(name)
                  .add(newInvokePoint().onClass(targetClass).onMethod(targetMethod))
                  .add(newActionBuilder().actions().doThrow(RuntimeException.class, quote("Injected failure!")))
                  .build();
  
          try
          {
              Injections.inject(injection);
              performTestQueries(isSingleIndexTest);
          }
          catch (Exception e)
          {
              throw Throwables.unchecked(e);
          }
          finally
          {
              injection.disable();
          }
  
          verifyResults(isSingleIndexTest);
      }
  
      private void performTestQueries(boolean isSingleIndexTest)
      {
          if (isSingleIndexTest)
          {
              assertThatThrownBy(() -> executeNet("SELECT id FROM %s WHERE v2 = '0'"))
                      .isInstanceOf(ReadFailureException.class);
  
              assertThatThrownBy(() -> executeNet("SELECT id FROM %s WHERE v2 = '1'"))
                      .isInstanceOf(ReadFailureException.class);
  
              assertThatThrownBy(() -> executeNet("SELECT id FROM %s WHERE v2 = '2'"))
                      .isInstanceOf(ReadFailureException.class);
          }
          else
          {
              assertThatThrownBy(() -> executeNet("SELECT id FROM %s WHERE v1 < 1 and v2 = '0'"))
                      .isInstanceOf(ReadFailureException.class);
  
              assertThatThrownBy(() -> executeNet("SELECT id FROM %s WHERE v1 >= 1 and v2 = '1'"))
                      .isInstanceOf(ReadFailureException.class);
  
              assertThatThrownBy(() -> executeNet("SELECT id FROM %s WHERE v1 >= 2 and v2 = '2'"))
                      .isInstanceOf(ReadFailureException.class);
          }
      }
  
      private void verifyResults(boolean isSingleIndexTest)
      {
          if (isSingleIndexTest)
          {
              Assert.assertEquals(1, executeNet("SELECT id FROM %s WHERE v2 = '0'").all().size());
              Assert.assertEquals(1, executeNet("SELECT id FROM %s WHERE v2 = '1'").all().size());
              Assert.assertEquals(1, executeNet("SELECT id FROM %s WHERE v2 = '2'").all().size());
          }
          else
          {
              Assert.assertEquals(3, executeNet("SELECT id FROM %s WHERE v1 >= 0").all().size());
              Assert.assertEquals(1, executeNet("SELECT id FROM %s WHERE v2 = '0'").all().size());
              Assert.assertEquals(1, executeNet("SELECT id FROM %s WHERE v2 = '1'").all().size());
              Assert.assertEquals(1, executeNet("SELECT id FROM %s WHERE v2 = '2'").all().size());
          }
      }
  }