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.cql3.functions.masking;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.List;
  
  import org.junit.Before;
  import org.junit.runners.Parameterized;
  
  /**
   * {@link ColumnMaskQueryTester} for user-defined functions.
   */
  public class ColumnMaskQueryWithUDFTest extends ColumnMaskQueryTester
  {
      private static final String TEXT_REPLACE_FUNCTION = KEYSPACE + ".mask_text_replace";
      private static final String INT_REPLACE_FUNCTION = KEYSPACE + ".mask_int_replace";
  
      @Before
      @Override
      public void setupSchema() throws Throwable
      {
          createFunction(KEYSPACE,
                         "text, text",
                         "CREATE FUNCTION IF NOT EXISTS " + TEXT_REPLACE_FUNCTION + " (column text, replacement text) " +
                         "CALLED ON NULL INPUT " +
                         "RETURNS text " +
                         "LANGUAGE java " +
                         "AS 'return replacement;'");
          createFunction(KEYSPACE,
                         "int, int",
                         "CREATE FUNCTION IF NOT EXISTS " + INT_REPLACE_FUNCTION + " (column int, replacement int) " +
                         "CALLED ON NULL INPUT " +
                         "RETURNS int " +
                         "LANGUAGE java " +
                         "AS 'return replacement;'");
          super.setupSchema();
      }
  
      @Parameterized.Parameters(name = "order={0}, mask={1}, type={2}, value={3}")
      public static Collection<Object[]> options()
      {
          List<Object[]> options = new ArrayList<>();
          for (String order : Arrays.asList("ASC", "DESC"))
          {
              options.add(new Object[]{ order, TEXT_REPLACE_FUNCTION + "('redacted')", "text", "abc", "redacted" });
              options.add(new Object[]{ order, TEXT_REPLACE_FUNCTION + "('secret')", "text", "abc", "secret" });
              options.add(new Object[]{ order, INT_REPLACE_FUNCTION + "(0)", "int", 123, 0 });
              options.add(new Object[]{ order, INT_REPLACE_FUNCTION + "(-1)", "int", 123, -1 });
          }
          return options;
      }
  }
  