content: /*
   * Copyright [2021-present] [ahoo wang <ahoowang@qq.com> (https://github.com/Ahoo-Wang)].
   * Licensed 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 me.ahoo.cosid.test.machine.distributor;
  
  import static me.ahoo.cosid.test.machine.distributor.MachineIdDistributorSpec.mockInstance;
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.equalTo;
  
  import me.ahoo.cosid.machine.InstanceId;
  import me.ahoo.cosid.machine.MachineIdDistributor;
  import me.ahoo.cosid.test.MockIdGenerator;
  import me.ahoo.cosid.test.TestSpec;
  
  import java.util.function.Supplier;
  
  /**
   * Revert .
   *
   * @author ahoo wang
   */
  public class Revert implements TestSpec {
      private final Supplier<MachineIdDistributor> implFactory;
      private final int machineBit;
      
      public Revert(Supplier<MachineIdDistributor> implFactory, int machineBit) {
          this.implFactory = implFactory;
          this.machineBit = machineBit;
      }
      
      @Override
      public void verify() {
          MachineIdDistributor distributor = implFactory.get();
          String namespace = MockIdGenerator.usePrefix("Revert").generateAsString();
          InstanceId instanceId = mockInstance(0, false);
          int machineId = distributor.distribute(namespace, machineBit, instanceId, MachineIdDistributor.FOREVER_SAFE_GUARD_DURATION).getMachineId();
          assertThat(machineId, equalTo(0));
          distributor.revert(namespace, instanceId);
          machineId = distributor.distribute(namespace, machineBit, instanceId, MachineIdDistributor.FOREVER_SAFE_GUARD_DURATION).getMachineId();
          assertThat(machineId, equalTo(0));
      }
  }
  