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.bookkeeper.tools.cli.helpers;
  
  import static org.junit.Assert.assertTrue;
  import static org.mockito.Answers.CALLS_REAL_METHODS;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.ArgumentMatchers.eq;
  import static org.mockito.ArgumentMatchers.same;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  import java.net.URI;
  import java.util.Optional;
  import java.util.concurrent.Executors;
  import java.util.concurrent.ScheduledExecutorService;
  import org.apache.bookkeeper.conf.ClientConfiguration;
  import org.apache.bookkeeper.discover.RegistrationClient;
  import org.apache.bookkeeper.meta.MetadataClientDriver;
  import org.apache.bookkeeper.meta.MetadataDrivers;
  import org.apache.bookkeeper.stats.NullStatsLogger;
  import org.apache.bookkeeper.tools.framework.CliFlags;
  import org.junit.Before;
  import org.junit.experimental.theories.DataPoint;
  import org.junit.experimental.theories.Theories;
  import org.junit.experimental.theories.Theory;
  import org.junit.runner.RunWith;
  import org.mockito.MockedStatic;
  import org.mockito.Mockito;
  
  /**
   * Unit test of {@link DiscoveryCommand}.
   */
  @RunWith(Theories.class)
  public class DiscoveryCommandTest {
  
      private DiscoveryCommand<CliFlags> cmd;
      private ClientConfiguration clientConf;
      private RegistrationClient regClient;
      private MetadataClientDriver clientDriver;
      private ScheduledExecutorService executor;
  
      @SuppressWarnings("unchecked")
      @Before
      public void setup() throws Exception {
  
          this.cmd = mock(DiscoveryCommand.class, CALLS_REAL_METHODS);
  
          this.clientConf = new ClientConfiguration();
          this.clientConf.setMetadataServiceUri("zk://127.0.0.1/path/to/ledgers");
          this.executor = mock(ScheduledExecutorService.class);
          this.regClient = mock(RegistrationClient.class);
          this.clientDriver = mock(MetadataClientDriver.class);
          when(clientDriver.getRegistrationClient())
              .thenReturn(regClient);
      }
  
      @DataPoint
      public static final boolean BOOKIE_ADDR_RESOLVER_ENABLED = true;
      @DataPoint
      public static final boolean BOOKIE_ADDR_RESOLVER_DISABLED = false;
      @Theory
      public void testRun(boolean bookieAddressResolverEnabled) throws Exception {
          clientConf.setBookieAddressResolverEnabled(bookieAddressResolverEnabled);
  
          try (final MockedStatic<Executors> executorsMockedStatic = Mockito.mockStatic(Executors.class);
               final MockedStatic<MetadataDrivers> mdriversMockedStatic = Mockito.mockStatic(MetadataDrivers.class);) {
              executorsMockedStatic
                      .when(() -> Executors.newSingleThreadScheduledExecutor()).thenReturn(executor);
              mdriversMockedStatic.when(() -> MetadataDrivers.getClientDriver(any(URI.class)))
                      .thenReturn(clientDriver);
  
              CliFlags cliFlags = new CliFlags();
              assertTrue(cmd.apply(clientConf, cliFlags));
              verify(cmd, times(1)).run(eq(regClient), same(cliFlags), eq(bookieAddressResolverEnabled));
              verify(clientDriver, times(1))
                  .initialize(
                          any(ClientConfiguration.class), eq(executor),
                          eq(NullStatsLogger.INSTANCE), eq(Optional.empty()));
              verify(clientDriver, times(1)).getRegistrationClient();
              verify(clientDriver, times(1)).close();
              verify(executor, times(1)).shutdown();
          }
      }
  
  
  }
  