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.kafka.coordinator.transaction;
  
  import org.apache.kafka.common.config.AbstractConfig;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.Arrays;
  import java.util.Set;
  import java.util.stream.Collectors;
  
  import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.mockito.Mockito.doReturn;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  
  class TransactionStateManagerConfigTest {
      @Test
      void ShouldDefineAllConfigInConfigDef() {
          Set<String> declaredConfigs = Arrays.stream(TransactionStateManagerConfig.class.getDeclaredFields())
                  .filter(field -> field.getName().endsWith("_CONFIG"))
                  .peek(field -> field.setAccessible(true))
                  .map(field -> assertDoesNotThrow(() -> (String) field.get(null)))
                  .collect(Collectors.toSet());
          assertEquals(declaredConfigs,  TransactionStateManagerConfig.CONFIG_DEF.names());
      }
  
      @Test
      void ShouldGetStaticValueFromClassAttribute() {
          AbstractConfig config = mock(AbstractConfig.class);
          doReturn(1).when(config).getInt(TransactionStateManagerConfig.TRANSACTIONS_MAX_TIMEOUT_MS_CONFIG);
          doReturn(2).when(config).getInt(TransactionStateManagerConfig.TRANSACTIONAL_ID_EXPIRATION_MS_CONFIG);
          doReturn(3).when(config).getInt(TransactionStateManagerConfig.TRANSACTIONS_ABORT_TIMED_OUT_TRANSACTION_CLEANUP_INTERVAL_MS_CONFIG);
          doReturn(4).when(config).getInt(TransactionStateManagerConfig.TRANSACTIONS_REMOVE_EXPIRED_TRANSACTIONAL_ID_CLEANUP_INTERVAL_MS_CONFIG);
          doReturn(true).when(config).getBoolean(TransactionStateManagerConfig.TRANSACTIONS_2PC_ENABLED_CONFIG);
  
          TransactionStateManagerConfig transactionStateManagerConfig = new TransactionStateManagerConfig(config);
  
          assertEquals(1, transactionStateManagerConfig.transactionMaxTimeoutMs());
          assertEquals(2, transactionStateManagerConfig.transactionalIdExpirationMs());
          assertEquals(3, transactionStateManagerConfig.transactionAbortTimedOutTransactionCleanupIntervalMs());
          assertEquals(4, transactionStateManagerConfig.transactionRemoveExpiredTransactionalIdCleanupIntervalMs());
          assertEquals(true, transactionStateManagerConfig.transaction2PCEnabled());
  
          // If the following calls are missing, we won’t be able to distinguish whether the value is set in the constructor or if
          // it fetches the latest value from AbstractConfig with each call.
          transactionStateManagerConfig.transactionMaxTimeoutMs();
          transactionStateManagerConfig.transactionalIdExpirationMs();
          transactionStateManagerConfig.transactionAbortTimedOutTransactionCleanupIntervalMs();
          transactionStateManagerConfig.transactionRemoveExpiredTransactionalIdCleanupIntervalMs();
          transactionStateManagerConfig.transaction2PCEnabled();
  
          verify(config, times(1)).getInt(TransactionStateManagerConfig.TRANSACTIONS_MAX_TIMEOUT_MS_CONFIG);
          verify(config, times(1)).getInt(TransactionStateManagerConfig.TRANSACTIONAL_ID_EXPIRATION_MS_CONFIG);
          verify(config, times(1)).getInt(TransactionStateManagerConfig.TRANSACTIONS_ABORT_TIMED_OUT_TRANSACTION_CLEANUP_INTERVAL_MS_CONFIG);
          verify(config, times(1)).getInt(TransactionStateManagerConfig.TRANSACTIONS_REMOVE_EXPIRED_TRANSACTIONAL_ID_CLEANUP_INTERVAL_MS_CONFIG);
          verify(config, times(1)).getBoolean(TransactionStateManagerConfig.TRANSACTIONS_2PC_ENABLED_CONFIG);
      }
  }
  