/*
 * 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.hadoop.hbase.client;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.util.concurrent.TimeUnit;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.testclassification.ClientTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;

/**
 * See HBASE-24513, HBASE-28608.
 */
@Tag(ClientTests.TAG)
@Tag(SmallTests.TAG)
public class TestAsyncConnectionConfiguration {

  @Test
  public void itHandlesDeprecatedPauseForCQTBE() {
    Configuration conf = new Configuration();
    long timeoutMs = 1000;
    conf.setLong(HConstants.HBASE_CLIENT_PAUSE_FOR_CQTBE, timeoutMs);
    AsyncConnectionConfiguration config = new AsyncConnectionConfiguration(conf);

    assertTrue(Configuration.isDeprecated(HConstants.HBASE_CLIENT_PAUSE_FOR_CQTBE));
    long expected = TimeUnit.MILLISECONDS.toNanos(timeoutMs);
    assertEquals(expected, config.getPauseNsForServerOverloaded());

    conf = new Configuration();
    conf.setLong(AsyncConnectionConfiguration.HBASE_CLIENT_PAUSE_FOR_SERVER_OVERLOADED, timeoutMs);
    config = new AsyncConnectionConfiguration(conf);
    assertEquals(expected, config.getPauseNsForServerOverloaded());
  }

  @Test
  public void testDefaultReadWriteRpcTimeout() {
    Configuration conf = HBaseConfiguration.create();
    long timeoutMs = 1000;
    conf.setLong(HConstants.HBASE_RPC_TIMEOUT_KEY, timeoutMs);
    AsyncConnectionConfiguration config = new AsyncConnectionConfiguration(conf);
    long expected = TimeUnit.MILLISECONDS.toNanos(timeoutMs);
    assertEquals(expected, config.getRpcTimeoutNs());
    assertEquals(expected, config.getReadRpcTimeoutNs());
    assertEquals(expected, config.getWriteRpcTimeoutNs());
  }

  @Test
  public void testDefaultMetaOperationTimeout() {
    Configuration conf = HBaseConfiguration.create();
    long timeoutMs = 1000;
    conf.setLong(HConstants.HBASE_CLIENT_OPERATION_TIMEOUT, timeoutMs);
    AsyncConnectionConfiguration config = new AsyncConnectionConfiguration(conf);
    long expected = TimeUnit.MILLISECONDS.toNanos(timeoutMs);
    assertEquals(expected, config.getOperationTimeoutNs());
    assertEquals(expected, config.getMetaOperationTimeoutNs());
  }

}
