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   * Licensed to the Apache Software Foundation (ASF) under one
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   * 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
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  package org.apache.cassandra.cql3;
  
  import org.junit.Test;
  
  import org.apache.cassandra.utils.Pair;
  import org.assertj.core.api.Assertions;
  
  public class CQLTesterTest extends CQLTester
  {
      @Test
      public void testGetCreateIndexName()
      {
          schemaChange("CREATE KEYSPACE k WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}");
          schemaChange("CREATE KEYSPACE k2 WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}");
          String table = createTable("CREATE TABLE %s (k int PRIMARY KEY, c int)");
  
          // standard index with explicit name
          testGetCreateIndexName("k", "idx", "CREATE INDEX idx ON k.t (c)");
          testGetCreateIndexName(KEYSPACE, "idx", "CREATE INDEX idx ON t (c)");
          testGetCreateIndexName(KEYSPACE, "idx", "CREATE INDEX idx ON %s (c)");
  
          // custom index with explicit name
          testGetCreateIndexName("k", "idx", "CREATE CUSTOM INDEX idx ON k.t (c) USING 'class'");
          testGetCreateIndexName(KEYSPACE, "idx", "CREATE CUSTOM INDEX idx ON t (c) USING 'class'");
          testGetCreateIndexName(KEYSPACE, "idx", "CREATE CUSTOM INDEX idx ON %s (c) USING 'class'");
  
          // with an unqouted case-sensitive index name
          testGetCreateIndexName("k", "idx", "CREATE INDEX iDx ON k.t (c)");
          testGetCreateIndexName(KEYSPACE, "idx", "CREATE INDEX iDx ON t (c)");
          testGetCreateIndexName(KEYSPACE, "idx", "CREATE INDEX iDx ON %s (c)");
  
          // with a quoted case-sensitive index name
          testGetCreateIndexName("k", "iDx", "CREATE INDEX \"iDx\" ON k.t (c)");
          testGetCreateIndexName(KEYSPACE, "iDx", "CREATE INDEX \"iDx\" ON t (c)");
          testGetCreateIndexName(KEYSPACE, "iDx", "CREATE INDEX \"iDx\" ON %s (c)");
  
          // standard index with autogenerated name
          testGetCreateIndexName("k", "t_c_idx", "CREATE INDEX ON k.t (c)");
          testGetCreateIndexName(KEYSPACE, "t_c_idx", "CREATE INDEX ON t (c)");
          testGetCreateIndexName(KEYSPACE, table + "_c_idx", "CREATE INDEX ON %s (c)");
  
          // custom index with autogenerated name
          testGetCreateIndexName("k", "t_c_idx", "CREATE CUSTOM INDEX ON k.t (c) USING 'class'");
          testGetCreateIndexName(KEYSPACE, "t_c_idx", "CREATE CUSTOM INDEX ON t (c) USING 'class'");
          testGetCreateIndexName(KEYSPACE, table + "_c_idx", "CREATE CUSTOM INDEX ON %s (c) USING 'class'");
  
          // with a not-default working keyspace
          testGetCreateIndexName("k", "t_c_idx", "k2", "CREATE INDEX ON k.t (c)");
          testGetCreateIndexName("k2", "t_c_idx", "k2", "CREATE INDEX ON t (c)");
          testGetCreateIndexName("k2", table + "_c_idx", "k2", "CREATE INDEX ON %s (c)");
      }
  
      private void testGetCreateIndexName(String expectedKeyspaceName, String expectedIndexName, String query)
      {
          testGetCreateIndexName(expectedKeyspaceName, expectedIndexName, KEYSPACE, query);
      }
  
      private void testGetCreateIndexName(String expectedKeyspaceName, String expectedIndexName, String keyspace, String query)
      {
          Pair<String, String> name = getCreateIndexName(keyspace, formatQuery(keyspace, query));
          Assertions.assertThat(name.left).isEqualTo(expectedKeyspaceName);
          Assertions.assertThat(name.right).isEqualTo(expectedIndexName);
      }
  }
  