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   * "License"); you may not use this file except in compliance
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  package org.apache.cassandra.cql3;
  
  import java.net.InetSocketAddress;
  
  import org.junit.Test;
  
  import org.apache.cassandra.schema.SchemaTransformation;
  import org.apache.cassandra.service.ClientState;
  import org.apache.cassandra.utils.MD5Digest;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  public class AlterSchemaStatementTest extends CQLTester
  {
      // For the purposes of these tests, the specific DDL statements aren't especially relevant.
      // When acting as a SchemaTransformation, all AlterSchemaStatements must be able to supply a
      // CQL string for serialization in the cluster metadata log.
      private static final String[] stmts = new String[]
                       {
                       "CREATE KEYSPACE ks WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}",
                       "CREATE TABLE ks.t1 (k int PRIMARY KEY)",
                       "ALTER MATERIALIZED VIEW ks.v1 WITH compaction = { 'class' : 'LeveledCompactionStrategy' }",
                       "ALTER TABLE ks.t1 ADD v int",
                       "CREATE TABLE ks.tb like ks1.tb",
                       "CREATE TABLE ks.tb like ks1.tb WITH indexes"
                       };
      private final ClientState clientState = ClientState.forExternalCalls(InetSocketAddress.createUnresolved("127.0.0.1", 1234));
  
      @Test
      public void testParsingSetsCQLString() throws Throwable
      {
          for (String cql : stmts)
          {
              CQLStatement stmt = QueryProcessor.getStatement(cql, clientState);
              assertTrue(stmt instanceof SchemaTransformation);
              assertEquals(cql, ((SchemaTransformation) stmt).cql());
          }
      }
  
      @Test
      public void testPreparingSetsCQLString() throws Throwable
      {
          for (String cql : stmts)
          {
              MD5Digest stmtId = QueryProcessor.instance.prepare(cql, clientState).statementId;
              QueryHandler.Prepared prepared = QueryProcessor.instance.getPrepared(stmtId);
              assertEquals(prepared.rawCQLStatement, ((SchemaTransformation)prepared.statement).cql());
          }
      }
  }
  