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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
   * limitations under the License.
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  package org.apache.cassandra.config;
  
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import static org.apache.cassandra.config.DataStorageSpec.DataStorageUnit.MEBIBYTES;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  
  public class ParseAndConvertUnitsTest
  {
      @BeforeClass
      public static void setupDatabaseDescriptor()
      {
          DatabaseDescriptor.daemonInitialization();
      }
  
      // CASSANDRA-15234
      @Test
      public void testConfigurationLoaderParser()
      {
          Config config = DatabaseDescriptor.loadConfig();
  
          //Confirm duration parameters were successfully parsed with the default values in cassandra.yaml
          assertEquals(new DurationSpec.IntMillisecondsBound(10800000), config.max_hint_window);
          assertEquals(new DurationSpec.LongMillisecondsBound(0), config.native_transport_idle_timeout);
          assertEquals(new DurationSpec.LongMillisecondsBound(10000), config.request_timeout);
          assertEquals(new DurationSpec.LongMillisecondsBound(5000), config.read_request_timeout);
          assertEquals(new DurationSpec.LongMillisecondsBound(10000), config.range_request_timeout);
          assertEquals(new DurationSpec.LongMillisecondsBound(2000), config.write_request_timeout);
          assertEquals(new DurationSpec.LongMillisecondsBound(5000), config.counter_write_request_timeout);
          assertEquals(new DurationSpec.LongMillisecondsBound(1800), config.cas_contention_timeout);
          assertEquals(new DurationSpec.LongMillisecondsBound(60000), config.truncate_request_timeout);
          assertEquals(new DurationSpec.IntSecondsBound(300), config.streaming_keep_alive_period);
          assertEquals(new DurationSpec.LongMillisecondsBound(500), config.slow_query_log_timeout);
          assertEquals(new DurationSpec.IntMillisecondsBound(2000), config.internode_tcp_connect_timeout);
          assertEquals(new DurationSpec.IntMillisecondsBound(30000), config.internode_tcp_user_timeout);
          assertEquals(new DurationSpec.IntMillisecondsBound(0), config.commitlog_sync_group_window);
          assertEquals(new DurationSpec.IntMillisecondsBound(10000), config.commitlog_sync_period);
          assertNull(config.periodic_commitlog_sync_lag_block);
          assertEquals(new DurationSpec.IntMillisecondsBound(250), config.cdc_free_space_check_interval);
          assertEquals(new DurationSpec.IntMillisecondsBound(100), config.dynamic_snitch_update_interval);
          assertEquals(new DurationSpec.IntMillisecondsBound(600000), config.dynamic_snitch_reset_interval);
          assertEquals(new DurationSpec.IntMillisecondsBound(200), config.gc_log_threshold);
          assertEquals(new DurationSpec.IntMillisecondsBound(10000), config.hints_flush_period);
          assertEquals(new DurationSpec.IntMillisecondsBound(1000), config.gc_warn_threshold);
          assertEquals(new DurationSpec.IntSecondsBound(86400), config.trace_type_query_ttl);
          assertEquals(new DurationSpec.IntSecondsBound(604800), config.trace_type_repair_ttl);
          assertEquals(new DurationSpec.IntMillisecondsBound(2000), config.permissions_validity);
          assertNull(config.permissions_update_interval);
          assertEquals(new DurationSpec.IntMillisecondsBound(2000), config.roles_validity);
          assertNull(config.roles_update_interval);
          assertEquals(new DurationSpec.IntMillisecondsBound(2000), config.credentials_validity);
          assertNull(config.credentials_update_interval);
          assertEquals(new DurationSpec.IntMinutesBound(60), config.index_summary_resize_interval);
          assertEquals(DurationSpec.IntSecondsBound.inSecondsString("4h"), config.key_cache_save_period);
          assertEquals(new DurationSpec.IntSecondsBound(30), config.cache_load_timeout);
          assertEquals(new DurationSpec.LongMillisecondsBound(1500), config.user_defined_functions_fail_timeout);
          assertEquals(new DurationSpec.LongMillisecondsBound(500), config.user_defined_functions_warn_timeout);
          assertEquals(new DurationSpec.IntSecondsBound(3600), config.validation_preview_purge_head_start);
  
          //Confirm space parameters were successfully parsed with the default values in cassandra.yaml
          assertNull(config.memtable_heap_space);
          assertNull(config.memtable_offheap_space);
          assertNull(config.repair_session_space); //null everywhere so should be correct, let's check whether it will bomb
          assertEquals(new DataStorageSpec.IntBytesBound(4194304), config.internode_application_send_queue_capacity);
          assertEquals(new DataStorageSpec.IntBytesBound(134217728), config.internode_application_send_queue_reserve_endpoint_capacity);
          assertEquals(new DataStorageSpec.IntBytesBound(536870912), config.internode_application_send_queue_reserve_global_capacity);
          assertEquals(new DataStorageSpec.IntBytesBound(4194304), config.internode_application_receive_queue_capacity);
          assertEquals(new DataStorageSpec.IntBytesBound(134217728), config.internode_application_receive_queue_reserve_endpoint_capacity);
          assertEquals(new DataStorageSpec.IntBytesBound(536870912), config.internode_application_receive_queue_reserve_global_capacity);
          assertEquals(new DataStorageSpec.IntMebibytesBound(16), config.native_transport_max_frame_size);
          assertEquals(new DataStorageSpec.IntMebibytesBound(256), config.max_value_size);
          assertEquals(new DataStorageSpec.IntKibibytesBound(4), config.column_index_size);
          assertEquals(new DataStorageSpec.IntKibibytesBound(2), config.column_index_cache_size);
          assertEquals(new DataStorageSpec.IntKibibytesBound(5), config.batch_size_warn_threshold);
          assertEquals(new DataStorageSpec.IntKibibytesBound(50), config.batch_size_fail_threshold);
          assertNull(config.commitlog_total_space);
          assertEquals(new DataStorageSpec.IntMebibytesBound(5), config.commitlog_segment_size);
          assertNull(config.max_mutation_size); //not set explicitly in the default yaml, check the config; not set there too
          assertEquals(new DataStorageSpec.IntMebibytesBound(0), config.cdc_total_space);
          assertEquals(new DataStorageSpec.IntKibibytesBound(1024), config.hinted_handoff_throttle);
          assertEquals(new DataStorageSpec.IntKibibytesBound(1024), config.batchlog_replay_throttle);
          assertEquals(new DataStorageSpec.IntKibibytesBound(10240), config.trickle_fsync_interval);
          assertEquals(new DataStorageSpec.IntMebibytesBound(50), config.sstable_preemptive_open_interval);
          assertNull(config.counter_cache_size);
          assertNull(config.file_cache_size);
          assertNull(config.index_summary_capacity);
          assertEquals(new DataStorageSpec.LongMebibytesBound(1), config.prepared_statements_cache_size);
          if (config.key_cache_size != null)  // null in default test config, 0 in latest test config (CASSANDRA-18753)
              assertEquals(new DataStorageSpec.IntMebibytesBound(0), config.key_cache_size);
          assertEquals(new DataStorageSpec.LongMebibytesBound(16), config.row_cache_size);
          assertNull(config.native_transport_max_request_data_in_flight);
          assertNull(config.native_transport_max_request_data_in_flight_per_ip);
          assertEquals(new DataStorageSpec.IntBytesBound(1, MEBIBYTES), config.native_transport_receive_queue_capacity);
  
          //Confirm rate parameters were successfully parsed with the default values in cassandra.yaml
          assertEquals(new DataRateSpec.LongBytesPerSecondBound(0), config.compaction_throughput);
          assertEquals(new DataRateSpec.LongBytesPerSecondBound(23841858, DataRateSpec.DataRateUnit.MEBIBYTES_PER_SECOND), config.stream_throughput_outbound);
          assertEquals(new DataRateSpec.LongBytesPerSecondBound(24, DataRateSpec.DataRateUnit.MEBIBYTES_PER_SECOND), config.inter_dc_stream_throughput_outbound);
      }
  }
  