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.db.guardrails;
  
  import org.junit.After;
  import org.junit.Test;
  
  import static java.lang.String.format;
  
  public class GuardrailDropTruncateTableTest extends GuardrailTester
  {
      private String tableQuery = "CREATE TABLE %s(pk int, ck int, v int, PRIMARY KEY(pk, ck))";
  
      private void setGuardrail(boolean enabled)
      {
          Guardrails.instance.setDropTruncateTableEnabled(enabled);
      }
  
      @After
      public void afterTest()
      {
          setGuardrail(true);
      }
  
      @Test
      public void testCanDropWhileFeatureEnabled() throws Throwable
      {
          setGuardrail(true);
          createTable(tableQuery);
          assertValid(String.format("DROP TABLE %s", currentTable()));
      }
  
      @Test
      public void testCannotDropWhileFeatureDisabled() throws Throwable
      {
          setGuardrail(false);
          createTable(tableQuery);
          assertFails("DROP TABLE %s", "DROP and TRUNCATE TABLE functionality is not allowed");
      }
  
      @Test
      public void testIfExistsDoesNotBreakGuardrail() throws Throwable
      {
          setGuardrail(false);
          createTable(tableQuery);
          assertFails("DROP TABLE IF EXISTS %s", "DROP and TRUNCATE TABLE functionality is not allowed");
      }
  
      @Test
      public void testCanTruncateWhileFeatureEnabled() throws Throwable
      {
          setGuardrail(true);
          createTable(tableQuery);
          assertValid(String.format("TRUNCATE TABLE %s", currentTable()));
      }
  
      @Test
      public void testCannotTruncateWhileFeatureDisabled() throws Throwable
      {
          setGuardrail(false);
          createTable(tableQuery);
          assertFails("TRUNCATE TABLE %s", "DROP and TRUNCATE TABLE functionality is not allowed");
      }
  
      @Test
      public void testExcludedUsersCanAlwaysDropAndTruncate() throws Throwable
      {
          String table = keyspace() + '.' + createTableName();
          setGuardrail(false);
          testExcludedUsers(() -> format("CREATE TABLE %s (k int PRIMARY KEY, v1 int, v2 int, v3 int, v4 int)", table),
                            () -> format("TRUNCATE TABLE %s", table),
                            () -> format("DROP TABLE %s", table));
  
      }
  }
  